diff --git a/GWMS.Data/chartJsData.cs b/GWMS.Data/chartJsData.cs new file mode 100644 index 0000000..e7f5a17 --- /dev/null +++ b/GWMS.Data/chartJsData.cs @@ -0,0 +1,31 @@ +using System; + +namespace GWMS.Data +{ + public class chartJsData + { + #region Public Classes + + public class chartJsTSerie + { + #region Public Properties + + public DateTime x { get; set; } + public double y { get; set; } + + #endregion Public Properties + } + + public class chartJsXY + { + #region Public Properties + + public double x { get; set; } + public double y { get; set; } + + #endregion Public Properties + } + + #endregion Public Classes + } +} diff --git a/GWMS.UI/Components/ChartJs/Line.razor b/GWMS.UI/Components/ChartJs/Line.razor new file mode 100644 index 0000000..8225782 --- /dev/null +++ b/GWMS.UI/Components/ChartJs/Line.razor @@ -0,0 +1,113 @@ +@using GWMS.Data +@inject IJSRuntime JSRuntime + + + +@code { + + [Parameter] + public string Id { get; set; } = "MyTs"; + + [Parameter] + public string Title { get; set; } = "Demo Line"; + + [Parameter] + public List DataTS { get; set; } = null!; + + [Parameter] + public List Labels { get; set; } = new List(); + + [Parameter] + public List lineColor { get; set; } = new List(); + + [Parameter] + public List backColor { get; set; } = new List(); + + [Parameter] + public double AspRatio { get; set; } = 0; + + + [Parameter] + public string MinValue { get; set; } = "0"; + + [Parameter] + public string MaxValue { get; set; } = "0"; + + [Parameter] + public int lTens { get; set; } = 0; + + /// + /// Inizializzazione rendering componente + /// + /// partendo da qui: + /// https://www.williamleme.com/posts/2020/003-chartjs-blazor/ + /// https://www.puresourcecode.com/dotnet/blazor/using-chart-js-with-blazor/ + /// https://www.tutorialsteacher.com/csharp/csharp-anonymous-type + /// + /// + /// + protected override async Task OnAfterRenderAsync(bool firstRender) + { + await renderChart(); + } + + /// + /// Inizializzazione rendering componente + /// + /// partendo da qui: + /// https://www.williamleme.com/posts/2020/003-chartjs-blazor/ + /// https://www.puresourcecode.com/dotnet/blazor/using-chart-js-with-blazor/ + /// https://www.tutorialsteacher.com/csharp/csharp-anonymous-type + /// + /// + /// + protected async Task renderChart() + { + // creazione di un oggetto anonymous type con tutte le opzioni da passare a chart.js + var config = new + { + type = "line", + options = new + { + responsive = true, + scales = new + { + yAxes = new + { + display = true, + ticks = new + { + maxTicksLimit = 10 + }, + suggestedMin = MinValue != MaxValue ? MinValue : "auto", + suggestedMax = MinValue != MaxValue ? MaxValue : "auto" + }, + xAxes = new + { + type = "time", + distribution = "linear", + } + }, + Animation = false, + AspectRatio = AspRatio == 0 ? "auto" : $"{AspRatio}" + }, + data = new + { + labels = Labels, + datasets = new[] + { + new + { + data = DataTS, + borderColor= lineColor, + backgroundColor= backColor, + lineTension= lTens, + stepped= false, + label= Title + } + } + } + }; + await JSRuntime.InvokeVoidAsync("setup", Id, config); + } +} \ No newline at end of file diff --git a/GWMS.UI/Components/PlantOverview.razor b/GWMS.UI/Components/PlantOverview.razor index 645fd0d..ecaceef 100644 --- a/GWMS.UI/Components/PlantOverview.razor +++ b/GWMS.UI/Components/PlantOverview.razor @@ -4,16 +4,16 @@
@if (currItem != null) { -
-
-

@currItem.PlantCode

+
+
+

@currItem.PlantCode

+
+
+ +
-
- -
-
}
@@ -34,21 +34,21 @@
  • @if (getPressData("BH", "N1") != "") { - Stoccaggio: @getPressData("BH", "N1") bar + Stoccaggio: @getPressData("BH", "N1") bar } else { - Stoccaggio: ND bar + Stoccaggio: ND bar }
  • @if (getPressData("BHA", "N1") != "") { - Alimentazione: @getPressData("BHA", "N1") bar + Alimentazione: @getPressData("BHA", "N1") bar } else { - Alimentazione: ND bar + Alimentazione: ND bar }
  • @@ -57,21 +57,21 @@
  • @if (getPressData("BL", "N1") != "") { - Stoccaggio: @getPressData("BL", "N1") bar + Stoccaggio: @getPressData("BL", "N1") bar } else { - Stoccaggio: ND bar + Stoccaggio: ND bar }
  • @if (getPressData("BLA", "N1") != "") { - Alimentazione: @getPressData("BLA", "N1") bar + Alimentazione: @getPressData("BLA", "N1") bar } else { - Alimentazione: ND bar + Alimentazione: ND bar }
  • @@ -93,12 +93,10 @@
  • - -
    - +
  • @@ -106,21 +104,21 @@
    @if (currItem.SoldTS != null && currItem.SoldTS.Count > 0 && currItem.SoldTS[0].ValDouble > 0) { - Venduto Ieri: @currItem.SoldTS[0].ValDouble.ToString("N1") kg + Venduto Ieri: @currItem.SoldTS[0].ValDouble.ToString("N1") kg } else { - Venduto Ieri: ND kg + Venduto Ieri: ND kg }
    @if (currItem.SoldTS != null && currItem.SoldTS.Count > 1 && currItem.SoldTS[1].ValDouble > 0) { - Venduto Oggi: @currItem.SoldTS[1].ValDouble.ToString("N1") kg + Venduto Oggi: @currItem.SoldTS[1].ValDouble.ToString("N1") kg } else { - Venduto Oggi: ND kg + Venduto Oggi: ND kg }
    diff --git a/GWMS.UI/Components/PlantOverview.razor.cs b/GWMS.UI/Components/PlantOverview.razor.cs index d387e60..5b81421 100644 --- a/GWMS.UI/Components/PlantOverview.razor.cs +++ b/GWMS.UI/Components/PlantOverview.razor.cs @@ -7,6 +7,7 @@ using GWMS.Data.DTO; using Microsoft.AspNetCore.Components; using System.Threading; using Microsoft.Extensions.Configuration; +using GWMS.Data; namespace GWMS.UI.Components { @@ -16,8 +17,9 @@ namespace GWMS.UI.Components protected PlantDTO _currItem = new PlantDTO(); - protected LineChart LevelVal = new LineChart(); + protected List LevelVal = new List(); +#if false protected object lineChartOptions = new { Scales = new @@ -64,7 +66,8 @@ namespace GWMS.UI.Components { display = false } - }; + } + #endif /// /// fattore di riduzione x visualizzare meno punti (in base alla numerosità... @@ -181,6 +184,7 @@ namespace GWMS.UI.Components redFact = answ; } +#if false private LineChartDataset GetLineChartDataset() { fixRedFactor(); @@ -204,7 +208,8 @@ namespace GWMS.UI.Components fixRedFactor(); var answ = _currItem.LevelTS.OrderByDescending(x => x.DtEvent).Where((cat, index) => index % redFact == 0).OrderBy(x => x.DtEvent).Select(x => x.DtEvent.ToString("dd/MM HH")).ToList(); return answ; - } + } +#endif #endregion Private Methods @@ -218,7 +223,7 @@ namespace GWMS.UI.Components protected List getFillColors(float alpha) { List answ = new List(); - answ.Add(ChartColor.FromRgba(108, 164, 254, alpha)); + answ.Add($"rgba(108, 164, 254, {alpha}"); return answ; } @@ -230,17 +235,22 @@ namespace GWMS.UI.Components protected List getLineColors(float alpha) { List answ = new List(); - answ.Add(ChartColor.FromRgba(54, 82, 254, alpha)); + answ.Add($"rgba(54, 82, 254, {alpha}"); return answ; } protected async Task HandleRedraw() { + fixRedFactor(); + LevelVal = _currItem.LevelTS.OrderByDescending(x => x.DtEvent).Where((cat, index) => index % redFact == 0).OrderBy(x => x.DtEvent).Select(r => new chartJsData.chartJsTSerie() { x = r.DtEvent, y = r.ValDouble }).ToList(); + await Task.Delay(1); +#if false if (LevelVal != null) { await LevelVal.Clear(); await LevelVal.AddLabelsDatasetsAndUpdate(GetLineChartLabels(), GetLineChartDataset()); - } + } +#endif } protected void ShowDetail(int currPlantId) diff --git a/GWMS.UI/Components/ProgressBar.razor b/GWMS.UI/Components/ProgressBar.razor new file mode 100644 index 0000000..50a71b0 --- /dev/null +++ b/GWMS.UI/Components/ProgressBar.razor @@ -0,0 +1,21 @@ +
    +
    @(Value)
    +
    + +@code { + + + [Parameter] + public bool Striped { get; set; } = false; + [Parameter] + public bool Animated { get; set; } = false; + + [Parameter] + public double Value { get; set; } = 0; + + private string cssClassWidth + { + get => $"width: {Value}%;"; + } + +} diff --git a/GWMS.UI/GWMS.UI.csproj b/GWMS.UI/GWMS.UI.csproj index fdbfe39..c519cc0 100644 --- a/GWMS.UI/GWMS.UI.csproj +++ b/GWMS.UI/GWMS.UI.csproj @@ -2,7 +2,7 @@ net6.0 - 1.0.2203.0114 + 1.0.2203.0116 95c9f021-52d1-4390-a670-5810b7b777b0 true true diff --git a/GWMS.UI/Pages/Shared/_Layout.cshtml b/GWMS.UI/Pages/Shared/_Layout.cshtml index d0954ac..10e5af1 100644 --- a/GWMS.UI/Pages/Shared/_Layout.cshtml +++ b/GWMS.UI/Pages/Shared/_Layout.cshtml @@ -19,8 +19,8 @@ @*@Html.Partial("_Favicons")*@ - - + + @@ -70,7 +70,7 @@ - + @RenderSection("Scripts", required: false) \ No newline at end of file diff --git a/GWMS.UI/Pages/_Host.cshtml b/GWMS.UI/Pages/_Host.cshtml index df27a88..49f1e91 100644 --- a/GWMS.UI/Pages/_Host.cshtml +++ b/GWMS.UI/Pages/_Host.cshtml @@ -21,7 +21,7 @@ - + @@ -50,14 +50,18 @@ - + + + + + - + diff --git a/GWMS.UI/libman.json b/GWMS.UI/libman.json index 422dabf..77af910 100644 --- a/GWMS.UI/libman.json +++ b/GWMS.UI/libman.json @@ -6,10 +6,6 @@ "library": "font-awesome@5.15.4", "destination": "wwwroot/lib/font-awesome/" }, - { - "library": "Chart.js@2.8.0", - "destination": "wwwroot/Chart.js/" - }, { "library": "popper.js@1.16.1", "destination": "wwwroot/popper.js/" @@ -22,9 +18,17 @@ "library": "bootstrap@4.6.1", "destination": "wwwroot/lib/bootstrap/" }, + { + "library": "chartjs-adapter-luxon@1.1.0", + "destination": "wwwroot/lib/chartjs-adapter-luxon/" + }, { "library": "Chart.js@3.7.1", "destination": "wwwroot/lib/Chart.js/" + }, + { + "library": "luxon@2.3.1", + "destination": "wwwroot/lib/luxon/" } ] } \ No newline at end of file diff --git a/GWMS.UI/wwwroot/Chart.js/Chart.bundle.js b/GWMS.UI/wwwroot/Chart.js/Chart.bundle.js deleted file mode 100644 index 622703e..0000000 --- a/GWMS.UI/wwwroot/Chart.js/Chart.bundle.js +++ /dev/null @@ -1,19288 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : -typeof define === 'function' && define.amd ? define(factory) : -(global.Chart = factory()); -}(this, (function () { 'use strict'; - -/* MIT license */ - -var conversions = { - rgb2hsl: rgb2hsl, - rgb2hsv: rgb2hsv, - rgb2hwb: rgb2hwb, - rgb2cmyk: rgb2cmyk, - rgb2keyword: rgb2keyword, - rgb2xyz: rgb2xyz, - rgb2lab: rgb2lab, - rgb2lch: rgb2lch, - - hsl2rgb: hsl2rgb, - hsl2hsv: hsl2hsv, - hsl2hwb: hsl2hwb, - hsl2cmyk: hsl2cmyk, - hsl2keyword: hsl2keyword, - - hsv2rgb: hsv2rgb, - hsv2hsl: hsv2hsl, - hsv2hwb: hsv2hwb, - hsv2cmyk: hsv2cmyk, - hsv2keyword: hsv2keyword, - - hwb2rgb: hwb2rgb, - hwb2hsl: hwb2hsl, - hwb2hsv: hwb2hsv, - hwb2cmyk: hwb2cmyk, - hwb2keyword: hwb2keyword, - - cmyk2rgb: cmyk2rgb, - cmyk2hsl: cmyk2hsl, - cmyk2hsv: cmyk2hsv, - cmyk2hwb: cmyk2hwb, - cmyk2keyword: cmyk2keyword, - - keyword2rgb: keyword2rgb, - keyword2hsl: keyword2hsl, - keyword2hsv: keyword2hsv, - keyword2hwb: keyword2hwb, - keyword2cmyk: keyword2cmyk, - keyword2lab: keyword2lab, - keyword2xyz: keyword2xyz, - - xyz2rgb: xyz2rgb, - xyz2lab: xyz2lab, - xyz2lch: xyz2lch, - - lab2xyz: lab2xyz, - lab2rgb: lab2rgb, - lab2lch: lab2lch, - - lch2lab: lch2lab, - lch2xyz: lch2xyz, - lch2rgb: lch2rgb -}; - - -function rgb2hsl(rgb) { - var r = rgb[0]/255, - g = rgb[1]/255, - b = rgb[2]/255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, l; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g)/ delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - l = (min + max) / 2; - - if (max == min) - s = 0; - else if (l <= 0.5) - s = delta / (max + min); - else - s = delta / (2 - max - min); - - return [h, s * 100, l * 100]; -} - -function rgb2hsv(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, v; - - if (max == 0) - s = 0; - else - s = (delta/max * 1000)/10; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - v = ((max / 255) * 1000) / 10; - - return [h, s, v]; -} - -function rgb2hwb(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - h = rgb2hsl(rgb)[0], - w = 1/255 * Math.min(r, Math.min(g, b)), - b = 1 - 1/255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; -} - -function rgb2cmyk(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - c, m, y, k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - return [c * 100, m * 100, y * 100, k * 100]; -} - -function rgb2keyword(rgb) { - return reverseKeywords[JSON.stringify(rgb)]; -} - -function rgb2xyz(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y *100, z * 100]; -} - -function rgb2lab(rgb) { - var xyz = rgb2xyz(rgb), - x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function rgb2lch(args) { - return lab2lch(rgb2lab(args)); -} - -function hsl2rgb(hsl) { - var h = hsl[0] / 360, - s = hsl[1] / 100, - l = hsl[2] / 100, - t1, t2, t3, rgb, val; - - if (s == 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) - t2 = l * (1 + s); - else - t2 = l + s - l * s; - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * - (i - 1); - t3 < 0 && t3++; - t3 > 1 && t3--; - - if (6 * t3 < 1) - val = t1 + (t2 - t1) * 6 * t3; - else if (2 * t3 < 1) - val = t2; - else if (3 * t3 < 2) - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - else - val = t1; - - rgb[i] = val * 255; - } - - return rgb; -} - -function hsl2hsv(hsl) { - var h = hsl[0], - s = hsl[1] / 100, - l = hsl[2] / 100, - sv, v; - - if(l === 0) { - // no need to do calc on black - // also avoids divide by 0 error - return [0, 0, 0]; - } - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - v = (l + s) / 2; - sv = (2 * s) / (l + s); - return [h, sv * 100, v * 100]; -} - -function hsl2hwb(args) { - return rgb2hwb(hsl2rgb(args)); -} - -function hsl2cmyk(args) { - return rgb2cmyk(hsl2rgb(args)); -} - -function hsl2keyword(args) { - return rgb2keyword(hsl2rgb(args)); -} - - -function hsv2rgb(hsv) { - var h = hsv[0] / 60, - s = hsv[1] / 100, - v = hsv[2] / 100, - hi = Math.floor(h) % 6; - - var f = h - Math.floor(h), - p = 255 * v * (1 - s), - q = 255 * v * (1 - (s * f)), - t = 255 * v * (1 - (s * (1 - f))), - v = 255 * v; - - switch(hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; - } -} - -function hsv2hsl(hsv) { - var h = hsv[0], - s = hsv[1] / 100, - v = hsv[2] / 100, - sl, l; - - l = (2 - s) * v; - sl = s * v; - sl /= (l <= 1) ? l : 2 - l; - sl = sl || 0; - l /= 2; - return [h, sl * 100, l * 100]; -} - -function hsv2hwb(args) { - return rgb2hwb(hsv2rgb(args)) -} - -function hsv2cmyk(args) { - return rgb2cmyk(hsv2rgb(args)); -} - -function hsv2keyword(args) { - return rgb2keyword(hsv2rgb(args)); -} - -// http://dev.w3.org/csswg/css-color/#hwb-to-rgb -function hwb2rgb(hwb) { - var h = hwb[0] / 360, - wh = hwb[1] / 100, - bl = hwb[2] / 100, - ratio = wh + bl, - i, v, f, n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - if ((i & 0x01) != 0) { - f = 1 - f; - } - n = wh + f * (v - wh); // linear interpolation - - switch (i) { - default: - case 6: - case 0: r = v; g = n; b = wh; break; - case 1: r = n; g = v; b = wh; break; - case 2: r = wh; g = v; b = n; break; - case 3: r = wh; g = n; b = v; break; - case 4: r = n; g = wh; b = v; break; - case 5: r = v; g = wh; b = n; break; - } - - return [r * 255, g * 255, b * 255]; -} - -function hwb2hsl(args) { - return rgb2hsl(hwb2rgb(args)); -} - -function hwb2hsv(args) { - return rgb2hsv(hwb2rgb(args)); -} - -function hwb2cmyk(args) { - return rgb2cmyk(hwb2rgb(args)); -} - -function hwb2keyword(args) { - return rgb2keyword(hwb2rgb(args)); -} - -function cmyk2rgb(cmyk) { - var c = cmyk[0] / 100, - m = cmyk[1] / 100, - y = cmyk[2] / 100, - k = cmyk[3] / 100, - r, g, b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - return [r * 255, g * 255, b * 255]; -} - -function cmyk2hsl(args) { - return rgb2hsl(cmyk2rgb(args)); -} - -function cmyk2hsv(args) { - return rgb2hsv(cmyk2rgb(args)); -} - -function cmyk2hwb(args) { - return rgb2hwb(cmyk2rgb(args)); -} - -function cmyk2keyword(args) { - return rgb2keyword(cmyk2rgb(args)); -} - - -function xyz2rgb(xyz) { - var x = xyz[0] / 100, - y = xyz[1] / 100, - z = xyz[2] / 100, - r, g, b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r = (r * 12.92); - - g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g = (g * 12.92); - - b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b = (b * 12.92); - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; -} - -function xyz2lab(xyz) { - var x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function xyz2lch(args) { - return lab2lch(xyz2lab(args)); -} - -function lab2xyz(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - x, y, z, y2; - - if (l <= 8) { - y = (l * 100) / 903.3; - y2 = (7.787 * (y / 100)) + (16 / 116); - } else { - y = 100 * Math.pow((l + 16) / 116, 3); - y2 = Math.pow(y / 100, 1/3); - } - - x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); - - z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); - - return [x, y, z]; -} - -function lab2lch(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - hr, h, c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - if (h < 0) { - h += 360; - } - c = Math.sqrt(a * a + b * b); - return [l, c, h]; -} - -function lab2rgb(args) { - return xyz2rgb(lab2xyz(args)); -} - -function lch2lab(lch) { - var l = lch[0], - c = lch[1], - h = lch[2], - a, b, hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - return [l, a, b]; -} - -function lch2xyz(args) { - return lab2xyz(lch2lab(args)); -} - -function lch2rgb(args) { - return lab2rgb(lch2lab(args)); -} - -function keyword2rgb(keyword) { - return cssKeywords[keyword]; -} - -function keyword2hsl(args) { - return rgb2hsl(keyword2rgb(args)); -} - -function keyword2hsv(args) { - return rgb2hsv(keyword2rgb(args)); -} - -function keyword2hwb(args) { - return rgb2hwb(keyword2rgb(args)); -} - -function keyword2cmyk(args) { - return rgb2cmyk(keyword2rgb(args)); -} - -function keyword2lab(args) { - return rgb2lab(keyword2rgb(args)); -} - -function keyword2xyz(args) { - return rgb2xyz(keyword2rgb(args)); -} - -var cssKeywords = { - aliceblue: [240,248,255], - antiquewhite: [250,235,215], - aqua: [0,255,255], - aquamarine: [127,255,212], - azure: [240,255,255], - beige: [245,245,220], - bisque: [255,228,196], - black: [0,0,0], - blanchedalmond: [255,235,205], - blue: [0,0,255], - blueviolet: [138,43,226], - brown: [165,42,42], - burlywood: [222,184,135], - cadetblue: [95,158,160], - chartreuse: [127,255,0], - chocolate: [210,105,30], - coral: [255,127,80], - cornflowerblue: [100,149,237], - cornsilk: [255,248,220], - crimson: [220,20,60], - cyan: [0,255,255], - darkblue: [0,0,139], - darkcyan: [0,139,139], - darkgoldenrod: [184,134,11], - darkgray: [169,169,169], - darkgreen: [0,100,0], - darkgrey: [169,169,169], - darkkhaki: [189,183,107], - darkmagenta: [139,0,139], - darkolivegreen: [85,107,47], - darkorange: [255,140,0], - darkorchid: [153,50,204], - darkred: [139,0,0], - darksalmon: [233,150,122], - darkseagreen: [143,188,143], - darkslateblue: [72,61,139], - darkslategray: [47,79,79], - darkslategrey: [47,79,79], - darkturquoise: [0,206,209], - darkviolet: [148,0,211], - deeppink: [255,20,147], - deepskyblue: [0,191,255], - dimgray: [105,105,105], - dimgrey: [105,105,105], - dodgerblue: [30,144,255], - firebrick: [178,34,34], - floralwhite: [255,250,240], - forestgreen: [34,139,34], - fuchsia: [255,0,255], - gainsboro: [220,220,220], - ghostwhite: [248,248,255], - gold: [255,215,0], - goldenrod: [218,165,32], - gray: [128,128,128], - green: [0,128,0], - greenyellow: [173,255,47], - grey: [128,128,128], - honeydew: [240,255,240], - hotpink: [255,105,180], - indianred: [205,92,92], - indigo: [75,0,130], - ivory: [255,255,240], - khaki: [240,230,140], - lavender: [230,230,250], - lavenderblush: [255,240,245], - lawngreen: [124,252,0], - lemonchiffon: [255,250,205], - lightblue: [173,216,230], - lightcoral: [240,128,128], - lightcyan: [224,255,255], - lightgoldenrodyellow: [250,250,210], - lightgray: [211,211,211], - lightgreen: [144,238,144], - lightgrey: [211,211,211], - lightpink: [255,182,193], - lightsalmon: [255,160,122], - lightseagreen: [32,178,170], - lightskyblue: [135,206,250], - lightslategray: [119,136,153], - lightslategrey: [119,136,153], - lightsteelblue: [176,196,222], - lightyellow: [255,255,224], - lime: [0,255,0], - limegreen: [50,205,50], - linen: [250,240,230], - magenta: [255,0,255], - maroon: [128,0,0], - mediumaquamarine: [102,205,170], - mediumblue: [0,0,205], - mediumorchid: [186,85,211], - mediumpurple: [147,112,219], - mediumseagreen: [60,179,113], - mediumslateblue: [123,104,238], - mediumspringgreen: [0,250,154], - mediumturquoise: [72,209,204], - mediumvioletred: [199,21,133], - midnightblue: [25,25,112], - mintcream: [245,255,250], - mistyrose: [255,228,225], - moccasin: [255,228,181], - navajowhite: [255,222,173], - navy: [0,0,128], - oldlace: [253,245,230], - olive: [128,128,0], - olivedrab: [107,142,35], - orange: [255,165,0], - orangered: [255,69,0], - orchid: [218,112,214], - palegoldenrod: [238,232,170], - palegreen: [152,251,152], - paleturquoise: [175,238,238], - palevioletred: [219,112,147], - papayawhip: [255,239,213], - peachpuff: [255,218,185], - peru: [205,133,63], - pink: [255,192,203], - plum: [221,160,221], - powderblue: [176,224,230], - purple: [128,0,128], - rebeccapurple: [102, 51, 153], - red: [255,0,0], - rosybrown: [188,143,143], - royalblue: [65,105,225], - saddlebrown: [139,69,19], - salmon: [250,128,114], - sandybrown: [244,164,96], - seagreen: [46,139,87], - seashell: [255,245,238], - sienna: [160,82,45], - silver: [192,192,192], - skyblue: [135,206,235], - slateblue: [106,90,205], - slategray: [112,128,144], - slategrey: [112,128,144], - snow: [255,250,250], - springgreen: [0,255,127], - steelblue: [70,130,180], - tan: [210,180,140], - teal: [0,128,128], - thistle: [216,191,216], - tomato: [255,99,71], - turquoise: [64,224,208], - violet: [238,130,238], - wheat: [245,222,179], - white: [255,255,255], - whitesmoke: [245,245,245], - yellow: [255,255,0], - yellowgreen: [154,205,50] -}; - -var reverseKeywords = {}; -for (var key in cssKeywords) { - reverseKeywords[JSON.stringify(cssKeywords[key])] = key; -} - -var convert = function() { - return new Converter(); -}; - -for (var func in conversions) { - // export Raw versions - convert[func + "Raw"] = (function(func) { - // accept array or plain args - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - return conversions[func](arg); - } - })(func); - - var pair = /(\w+)2(\w+)/.exec(func), - from = pair[1], - to = pair[2]; - - // export rgb2hsl and ["rgb"]["hsl"] - convert[from] = convert[from] || {}; - - convert[from][to] = convert[func] = (function(func) { - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - - var val = conversions[func](arg); - if (typeof val == "string" || val === undefined) - return val; // keyword - - for (var i = 0; i < val.length; i++) - val[i] = Math.round(val[i]); - return val; - } - })(func); -} - - -/* Converter does lazy conversion and caching */ -var Converter = function() { - this.convs = {}; -}; - -/* Either get the values for a space or - set the values for a space, depending on args */ -Converter.prototype.routeSpace = function(space, args) { - var values = args[0]; - if (values === undefined) { - // color.rgb() - return this.getValues(space); - } - // color.rgb(10, 10, 10) - if (typeof values == "number") { - values = Array.prototype.slice.call(args); - } - - return this.setValues(space, values); -}; - -/* Set the values for a space, invalidating cache */ -Converter.prototype.setValues = function(space, values) { - this.space = space; - this.convs = {}; - this.convs[space] = values; - return this; -}; - -/* Get the values for a space. If there's already - a conversion for the space, fetch it, otherwise - compute it */ -Converter.prototype.getValues = function(space) { - var vals = this.convs[space]; - if (!vals) { - var fspace = this.space, - from = this.convs[fspace]; - vals = convert[fspace][space](from); - - this.convs[space] = vals; - } - return vals; -}; - -["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { - Converter.prototype[space] = function(vals) { - return this.routeSpace(space, arguments); - }; -}); - -var colorConvert = convert; - -var colorName = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; - -/* MIT license */ - - -var colorString = { - getRgba: getRgba, - getHsla: getHsla, - getRgb: getRgb, - getHsl: getHsl, - getHwb: getHwb, - getAlpha: getAlpha, - - hexString: hexString, - rgbString: rgbString, - rgbaString: rgbaString, - percentString: percentString, - percentaString: percentaString, - hslString: hslString, - hslaString: hslaString, - hwbString: hwbString, - keyword: keyword -}; - -function getRgba(string) { - if (!string) { - return; - } - var abbr = /^#([a-fA-F0-9]{3,4})$/i, - hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, - rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - keyword = /(\w+)/; - - var rgb = [0, 0, 0], - a = 1, - match = string.match(abbr), - hexAlpha = ""; - if (match) { - match = match[1]; - hexAlpha = match[3]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i] + match[i], 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(hex)) { - hexAlpha = match[2]; - match = match[1]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(rgba)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i + 1]); - } - a = parseFloat(match[4]); - } - else if (match = string.match(per)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); - } - a = parseFloat(match[4]); - } - else if (match = string.match(keyword)) { - if (match[1] == "transparent") { - return [0, 0, 0, 0]; - } - rgb = colorName[match[1]]; - if (!rgb) { - return; - } - } - - for (var i = 0; i < rgb.length; i++) { - rgb[i] = scale(rgb[i], 0, 255); - } - if (!a && a != 0) { - a = 1; - } - else { - a = scale(a, 0, 1); - } - rgb[3] = a; - return rgb; -} - -function getHsla(string) { - if (!string) { - return; - } - var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hsl); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - s = scale(parseFloat(match[2]), 0, 100), - l = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, s, l, a]; - } -} - -function getHwb(string) { - if (!string) { - return; - } - var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hwb); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - w = scale(parseFloat(match[2]), 0, 100), - b = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, w, b, a]; - } -} - -function getRgb(string) { - var rgba = getRgba(string); - return rgba && rgba.slice(0, 3); -} - -function getHsl(string) { - var hsla = getHsla(string); - return hsla && hsla.slice(0, 3); -} - -function getAlpha(string) { - var vals = getRgba(string); - if (vals) { - return vals[3]; - } - else if (vals = getHsla(string)) { - return vals[3]; - } - else if (vals = getHwb(string)) { - return vals[3]; - } -} - -// generators -function hexString(rgba, a) { - var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; - return "#" + hexDouble(rgba[0]) - + hexDouble(rgba[1]) - + hexDouble(rgba[2]) - + ( - (a >= 0 && a < 1) - ? hexDouble(Math.round(a * 255)) - : "" - ); -} - -function rgbString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return rgbaString(rgba, alpha); - } - return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; -} - -function rgbaString(rgba, alpha) { - if (alpha === undefined) { - alpha = (rgba[3] !== undefined ? rgba[3] : 1); - } - return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] - + ", " + alpha + ")"; -} - -function percentString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return percentaString(rgba, alpha); - } - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - - return "rgb(" + r + "%, " + g + "%, " + b + "%)"; -} - -function percentaString(rgba, alpha) { - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; -} - -function hslString(hsla, alpha) { - if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { - return hslaString(hsla, alpha); - } - return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; -} - -function hslaString(hsla, alpha) { - if (alpha === undefined) { - alpha = (hsla[3] !== undefined ? hsla[3] : 1); - } - return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " - + alpha + ")"; -} - -// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax -// (hwb have alpha optional & 1 is default value) -function hwbString(hwb, alpha) { - if (alpha === undefined) { - alpha = (hwb[3] !== undefined ? hwb[3] : 1); - } - return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" - + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; -} - -function keyword(rgb) { - return reverseNames[rgb.slice(0, 3)]; -} - -// helpers -function scale(num, min, max) { - return Math.min(Math.max(min, num), max); -} - -function hexDouble(num) { - var str = num.toString(16).toUpperCase(); - return (str.length < 2) ? "0" + str : str; -} - - -//create a list of reverse color names -var reverseNames = {}; -for (var name in colorName) { - reverseNames[colorName[name]] = name; -} - -/* MIT license */ - - - -var Color = function (obj) { - if (obj instanceof Color) { - return obj; - } - if (!(this instanceof Color)) { - return new Color(obj); - } - - this.valid = false; - this.values = { - rgb: [0, 0, 0], - hsl: [0, 0, 0], - hsv: [0, 0, 0], - hwb: [0, 0, 0], - cmyk: [0, 0, 0, 0], - alpha: 1 - }; - - // parse Color() argument - var vals; - if (typeof obj === 'string') { - vals = colorString.getRgba(obj); - if (vals) { - this.setValues('rgb', vals); - } else if (vals = colorString.getHsla(obj)) { - this.setValues('hsl', vals); - } else if (vals = colorString.getHwb(obj)) { - this.setValues('hwb', vals); - } - } else if (typeof obj === 'object') { - vals = obj; - if (vals.r !== undefined || vals.red !== undefined) { - this.setValues('rgb', vals); - } else if (vals.l !== undefined || vals.lightness !== undefined) { - this.setValues('hsl', vals); - } else if (vals.v !== undefined || vals.value !== undefined) { - this.setValues('hsv', vals); - } else if (vals.w !== undefined || vals.whiteness !== undefined) { - this.setValues('hwb', vals); - } else if (vals.c !== undefined || vals.cyan !== undefined) { - this.setValues('cmyk', vals); - } - } -}; - -Color.prototype = { - isValid: function () { - return this.valid; - }, - rgb: function () { - return this.setSpace('rgb', arguments); - }, - hsl: function () { - return this.setSpace('hsl', arguments); - }, - hsv: function () { - return this.setSpace('hsv', arguments); - }, - hwb: function () { - return this.setSpace('hwb', arguments); - }, - cmyk: function () { - return this.setSpace('cmyk', arguments); - }, - - rgbArray: function () { - return this.values.rgb; - }, - hslArray: function () { - return this.values.hsl; - }, - hsvArray: function () { - return this.values.hsv; - }, - hwbArray: function () { - var values = this.values; - if (values.alpha !== 1) { - return values.hwb.concat([values.alpha]); - } - return values.hwb; - }, - cmykArray: function () { - return this.values.cmyk; - }, - rgbaArray: function () { - var values = this.values; - return values.rgb.concat([values.alpha]); - }, - hslaArray: function () { - var values = this.values; - return values.hsl.concat([values.alpha]); - }, - alpha: function (val) { - if (val === undefined) { - return this.values.alpha; - } - this.setValues('alpha', val); - return this; - }, - - red: function (val) { - return this.setChannel('rgb', 0, val); - }, - green: function (val) { - return this.setChannel('rgb', 1, val); - }, - blue: function (val) { - return this.setChannel('rgb', 2, val); - }, - hue: function (val) { - if (val) { - val %= 360; - val = val < 0 ? 360 + val : val; - } - return this.setChannel('hsl', 0, val); - }, - saturation: function (val) { - return this.setChannel('hsl', 1, val); - }, - lightness: function (val) { - return this.setChannel('hsl', 2, val); - }, - saturationv: function (val) { - return this.setChannel('hsv', 1, val); - }, - whiteness: function (val) { - return this.setChannel('hwb', 1, val); - }, - blackness: function (val) { - return this.setChannel('hwb', 2, val); - }, - value: function (val) { - return this.setChannel('hsv', 2, val); - }, - cyan: function (val) { - return this.setChannel('cmyk', 0, val); - }, - magenta: function (val) { - return this.setChannel('cmyk', 1, val); - }, - yellow: function (val) { - return this.setChannel('cmyk', 2, val); - }, - black: function (val) { - return this.setChannel('cmyk', 3, val); - }, - - hexString: function () { - return colorString.hexString(this.values.rgb); - }, - rgbString: function () { - return colorString.rgbString(this.values.rgb, this.values.alpha); - }, - rgbaString: function () { - return colorString.rgbaString(this.values.rgb, this.values.alpha); - }, - percentString: function () { - return colorString.percentString(this.values.rgb, this.values.alpha); - }, - hslString: function () { - return colorString.hslString(this.values.hsl, this.values.alpha); - }, - hslaString: function () { - return colorString.hslaString(this.values.hsl, this.values.alpha); - }, - hwbString: function () { - return colorString.hwbString(this.values.hwb, this.values.alpha); - }, - keyword: function () { - return colorString.keyword(this.values.rgb, this.values.alpha); - }, - - rgbNumber: function () { - var rgb = this.values.rgb; - return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; - }, - - luminosity: function () { - // http://www.w3.org/TR/WCAG20/#relativeluminancedef - var rgb = this.values.rgb; - var lum = []; - for (var i = 0; i < rgb.length; i++) { - var chan = rgb[i] / 255; - lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); - } - return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; - }, - - contrast: function (color2) { - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - var lum1 = this.luminosity(); - var lum2 = color2.luminosity(); - if (lum1 > lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } -}; - -Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] -}; - -Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] -}; - -Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; -}; - -Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { - return false; - } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = colorConvert[space][sname](values[space]); - } - } - - return true; -}; - -Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; -}; - -Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; -}; - -if (typeof window !== 'undefined') { - window.Color = Color; -} - -var chartjsColor = Color; - -/** - * @namespace Chart.helpers - */ -var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function() {}, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {number} - * @function - */ - uid: (function() { - var id = 0; - return function() { - return id++; - }; - }()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isNullOrUndef: function(value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array (including typed arrays), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @function - */ - isArray: function(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - var type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isObject: function(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns true if `value` is a finite number, else returns false - * @param {*} value - The value to test. - * @returns {boolean} - */ - isFinite: function(value) { - return (typeof value === 'number' || value instanceof Number) && isFinite(value); - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function(value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {object|Array} loopable - The object or array to be iterated. - * @param {function} fn - The function to call for each item. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function(loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see https://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {boolean} - */ - arrayEquals: function(a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function(source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. - * @private - */ - _merger: function(key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function(key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @param {object} [options] - Merging options: - * @param {function} [options.merger] - The merge method (key, target, source, options) - * @returns {object} The `target` object. - */ - merge: function(target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @returns {object} The `target` object. - */ - mergeIf: function(target, source) { - return helpers.merge(target, source, {merger: helpers._mergerIf}); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {object} target - The target object in which all objects are merged into. - * @param {object} arg1 - Object containing additional properties to merge in target. - * @param {object} argN - Additional objects containing properties to merge in target. - * @returns {object} The `target` object. - */ - extend: function(target) { - var setFn = function(value, key) { - target[key] = value; - }; - for (var i = 1, ilen = arguments.length; i < ilen; ++i) { - helpers.each(arguments[i], setFn); - } - return target; - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function(extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { - return me.apply(this, arguments); - }; - - var Surrogate = function() { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - } -}; - -var helpers_core = helpers; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -helpers.callCallback = helpers.callback; - -/** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.indexOf = function(array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); -}; - -/** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueOrDefault = helpers.valueOrDefault; - -/** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - -/** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ -var effects = { - linear: function(t) { - return t; - }, - - easeInQuad: function(t) { - return t * t; - }, - - easeOutQuad: function(t) { - return -t * (t - 2); - }, - - easeInOutQuad: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function(t) { - return t * t * t; - }, - - easeOutCubic: function(t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function(t) { - return t * t * t * t; - }, - - easeOutQuart: function(t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function(t) { - return t * t * t * t * t; - }, - - easeOutQuint: function(t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function(t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function(t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function(t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function(t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function(t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function(t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function(t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function(t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function(t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function(t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function(t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function(t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function(t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function(t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function(t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } -}; - -var helpers_easing = { - effects: effects -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.easingEffects = effects; - -var PI = Math.PI; -var RAD_PER_DEG = PI / 180; -var DOUBLE_PI = PI * 2; -var HALF_PI = PI / 2; -var QUARTER_PI = PI / 4; -var TWO_THIRDS_PI = PI * 2 / 3; - -/** - * @namespace Chart.helpers.canvas - */ -var exports$1 = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function(chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {number} x - The x axis of the coordinate for the rectangle starting point. - * @param {number} y - The y axis of the coordinate for the rectangle starting point. - * @param {number} width - The rectangle's width. - * @param {number} height - The rectangle's height. - * @param {number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function(ctx, x, y, width, height, radius) { - if (radius) { - var r = Math.min(radius, height / 2, width / 2); - var left = x + r; - var top = y + r; - var right = x + width - r; - var bottom = y + height - r; - - ctx.moveTo(x, top); - if (left < right && top < bottom) { - ctx.arc(left, top, r, -PI, -HALF_PI); - ctx.arc(right, top, r, -HALF_PI, 0); - ctx.arc(right, bottom, r, 0, HALF_PI); - ctx.arc(left, bottom, r, HALF_PI, PI); - } else if (left < right) { - ctx.moveTo(left, y); - ctx.arc(right, top, r, -HALF_PI, HALF_PI); - ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); - } else if (top < bottom) { - ctx.arc(left, top, r, -PI, 0); - ctx.arc(left, bottom, r, 0, PI); - } else { - ctx.arc(left, top, r, -PI, PI); - } - ctx.closePath(); - ctx.moveTo(x, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function(ctx, style, radius, x, y, rotation) { - var type, xOffset, yOffset, size, cornerRadius; - var rad = (rotation || 0) * RAD_PER_DEG; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - ctx.beginPath(); - - switch (style) { - // Default includes circle - default: - ctx.arc(x, y, radius, 0, DOUBLE_PI); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - // NOTE: the rounded rect implementation changed to use `arc` instead of - // `quadraticCurveTo` since it generates better results when rect is - // almost a circle. 0.516 (instead of 0.5) produces results with visually - // closer proportion to the previous impl and it is inscribed in the - // circle with `radius`. For more details, see the following PRs: - // https://github.com/chartjs/Chart.js/issues/5597 - // https://github.com/chartjs/Chart.js/issues/5858 - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - /* falls through */ - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - /* falls through */ - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - - ctx.fill(); - ctx.stroke(); - }, - - /** - * Returns true if the point is inside the rectangle - * @param {object} point - The point to test - * @param {object} area - The rectangle - * @returns {boolean} - * @private - */ - _isPointInArea: function(point, area) { - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - - return point.x > area.left - epsilon && point.x < area.right + epsilon && - point.y > area.top - epsilon && point.y < area.bottom + epsilon; - }, - - clipArea: function(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function(ctx) { - ctx.restore(); - }, - - lineTo: function(ctx, previous, target, flip) { - var stepped = target.steppedLine; - if (stepped) { - if (stepped === 'middle') { - var midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, flip ? target.y : previous.y); - ctx.lineTo(midpoint, flip ? previous.y : target.y); - } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } -}; - -var helpers_canvas = exports$1; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.clear = exports$1.clear; - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.drawRoundedRectangle = function(ctx) { - ctx.beginPath(); - exports$1.roundedRect.apply(exports$1, arguments); -}; - -var defaults = { - /** - * @private - */ - _set: function(scope, values) { - return helpers_core.merge(this[scope] || (this[scope] = {}), values); - } -}; - -defaults._set('global', { - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - defaultLineHeight: 1.2, - showLines: true -}); - -var core_defaults = defaults; - -var valueOrDefault = helpers_core.valueOrDefault; - -/** - * Converts the given font object into a CSS font string. - * @param {object} font - A font object. - * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font - * @private - */ -function toFontString(font) { - if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { - return null; - } - - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} - -/** - * @alias Chart.helpers.options - * @namespace - */ -var helpers_options = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function(value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - default: - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {number|object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function(value) { - var t, r, b, l; - - if (helpers_core.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Parses font options and returns the font object. - * @param {object} options - A object that contains font options to be parsed. - * @return {object} The font object. - * @todo Support font.* options and renamed to toFont(). - * @private - */ - _parseFont: function(options) { - var globalDefaults = core_defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var font = { - family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), - lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), - size: size, - style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), - weight: null, - string: '' - }; - - font.string = toFontString(font); - return font; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array} inputs - An array of values, falling back to the last value. - * @param {object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @since 2.7.0 - */ - resolve: function(inputs, context, index) { - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - } - if (index !== undefined && helpers_core.isArray(value)) { - value = value[index]; - } - if (value !== undefined) { - return value; - } - } - } -}; - -var helpers$1 = helpers_core; -var easing = helpers_easing; -var canvas = helpers_canvas; -var options = helpers_options; -helpers$1.easing = easing; -helpers$1.canvas = canvas; -helpers$1.options = options; - -function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = chartjsColor(origin); - if (c0.valid) { - c1 = chartjsColor(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } -} - -var Element = function(configuration) { - helpers$1.extend(this, configuration); - this.initialize.apply(this, arguments); -}; - -helpers$1.extend(Element.prototype, { - - initialize: function() { - this.hidden = false; - }, - - pivot: function() { - var me = this; - if (!me._view) { - me._view = helpers$1.clone(me._model); - } - me._start = {}; - return me; - }, - - transition: function(ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = model; - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function() { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function() { - return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); - } -}); - -Element.extend = helpers$1.inherits; - -var core_element = Element; - -var exports$2 = core_element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes -}); - -var core_animation = exports$2; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'animationObject', { - get: function() { - return this; - } -}); - -/** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'chartInstance', { - get: function() { - return this.chart; - }, - set: function(value) { - this.chart = value; - } -}); - -core_defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers$1.noop, - onComplete: helpers$1.noop - } -}); - -var core_animations = { - animations: [], - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {number} duration - The animation duration in ms. - * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function(chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - animation.startTime = Date.now(); - animation.duration = duration; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function(chart) { - var index = helpers$1.findIndex(this.animations, function(animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function() { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers$1.requestAnimFrame.call(window, function() { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function() { - var me = this; - - me.advance(); - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function() { - var animations = this.animations; - var animation, chart, numSteps, nextStep; - var i = 0; - - // 1 animation per chart, so we are looping charts here - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - numSteps = animation.numSteps; - - // Make sure that currentStep starts at 1 - // https://github.com/chartjs/Chart.js/issues/6104 - nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; - animation.currentStep = Math.min(nextStep, numSteps); - - helpers$1.callback(animation.render, [chart, animation], chart); - helpers$1.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= numSteps) { - helpers$1.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } -}; - -var resolve = helpers$1.options.resolve; - -var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - -/** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ -function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function(key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function() { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers$1.each(array._chartjs.listeners, function(object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); -} - -/** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ -function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function(key) { - delete array[key]; - }); - - delete array._chartjs; -} - -// Base class for all dataset controllers (line, bar, etc) -var DatasetController = function(chart, datasetIndex) { - this.initialize(chart, datasetIndex); -}; - -helpers$1.extend(DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - initialize: function(chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - }, - - updateIndex: function(datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function() { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - - if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { - meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { - meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; - } - }, - - getDataset: function() { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function() { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function(scaleID) { - return this.chart.scales[scaleID]; - }, - - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getValueScale: function() { - return this.getScaleForId(this._getValueScaleId()); - }, - - /** - * @private - */ - _getIndexScale: function() { - return this.getScaleForId(this._getIndexScaleId()); - }, - - reset: function() { - this.update(true); - }, - - /** - * @private - */ - destroy: function() { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function() { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function(index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function(index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function() { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - update: helpers$1.noop, - - transition: function(easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function() { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - removeHoverStyle: function(element) { - helpers$1.merge(element._model, element.$previousStyle || {}); - delete element.$previousStyle; - }, - - setHoverStyle: function(element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var model = element._model; - var getHoverColor = helpers$1.getHoverColor; - - element.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth - }; - - model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); - model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); - model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); - }, - - /** - * @private - */ - resyncElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function(start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function() { - var count = arguments.length; - this.insertElements(this.getDataset().data.length - count, count); - }, - - /** - * @private - */ - onDataPop: function() { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function() { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function(start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function() { - this.insertElements(0, arguments.length); - } -}); - -DatasetController.extend = helpers$1.inherits; - -var core_datasetController = DatasetController; - -core_defaults._set('global', { - elements: { - arc: { - backgroundColor: core_defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2, - borderAlign: 'center' - } - } -}); - -var element_arc = core_element.extend({ - inLabelRange: function(mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function(chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += 2.0 * Math.PI; - } - while (angle > endAngle) { - angle -= 2.0 * Math.PI; - } - while (angle < startAngle) { - angle += 2.0 * Math.PI; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function() { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function() { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function() { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var sA = vm.startAngle; - var eA = vm.endAngle; - var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; - var angleMargin; - - ctx.save(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, Math.max(vm.outerRadius - pixelMargin, 0), sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.fillStyle = vm.backgroundColor; - ctx.fill(); - - if (vm.borderWidth) { - if (vm.borderAlign === 'inner') { - // Draw an inner border by cliping the arc and drawing a double-width border - // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders - ctx.beginPath(); - angleMargin = pixelMargin / vm.outerRadius; - ctx.arc(vm.x, vm.y, vm.outerRadius, sA - angleMargin, eA + angleMargin); - if (vm.innerRadius > pixelMargin) { - angleMargin = pixelMargin / vm.innerRadius; - ctx.arc(vm.x, vm.y, vm.innerRadius - pixelMargin, eA + angleMargin, sA - angleMargin, true); - } else { - ctx.arc(vm.x, vm.y, pixelMargin, eA + Math.PI / 2, sA - Math.PI / 2); - } - ctx.closePath(); - ctx.clip(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.lineWidth = vm.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = vm.borderWidth; - ctx.lineJoin = 'bevel'; - } - - ctx.strokeStyle = vm.borderColor; - ctx.stroke(); - } - - ctx.restore(); - } -}); - -var valueOrDefault$1 = helpers$1.valueOrDefault; - -var defaultColor = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: defaultColor, - borderWidth: 3, - borderColor: defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } -}); - -var element_line = core_element.extend({ - draw: function() { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalDefaults = core_defaults.global; - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var index, current, previous, currentVM; - - // If we are looping, adding the first point again - if (me._loop && points.length) { - points.push(points[0]); - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - lastDrawnIndex = -1; - - for (index = 0; index < points.length; ++index) { - current = points[index]; - previous = helpers$1.previousItem(points, index); - currentVM = current._view; - - // First point moves to it's starting position no matter what - if (index === 0) { - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = index; - } - } else { - previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers$1.canvas.lineTo(ctx, previous._view, current._view); - } - lastDrawnIndex = index; - } - } - } - - ctx.stroke(); - ctx.restore(); - } -}); - -var valueOrDefault$2 = helpers$1.valueOrDefault; - -var defaultColor$1 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor$1, - borderColor: defaultColor$1, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } -}); - -function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; -} - -function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; -} - -var element_point = core_element.extend({ - inRange: function(mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function() { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function(chartArea) { - var vm = this._view; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var rotation = vm.rotation; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow - - if (vm.skip) { - return; - } - - // Clipping for Points. - if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); - } - } -}); - -var defaultColor$2 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaultColor$2, - borderColor: defaultColor$2, - borderSkipped: 'bottom', - borderWidth: 0 - } - } -}); - -function isVertical(vm) { - return vm && vm.width !== undefined; -} - -/** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ -function getBarBounds(vm) { - var x1, x2, y1, y2, half; - - if (isVertical(vm)) { - half = vm.width / 2; - x1 = vm.x - half; - x2 = vm.x + half; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - half = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - half; - y2 = vm.y + half; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; -} - -function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; -} - -function parseBorderSkipped(vm) { - var edge = vm.borderSkipped; - var res = {}; - - if (!edge) { - return res; - } - - if (vm.horizontal) { - if (vm.base > vm.x) { - edge = swap(edge, 'left', 'right'); - } - } else if (vm.base < vm.y) { - edge = swap(edge, 'bottom', 'top'); - } - - res[edge] = true; - return res; -} - -function parseBorderWidth(vm, maxW, maxH) { - var value = vm.borderWidth; - var skip = parseBorderSkipped(vm); - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, - r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, - b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, - l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l - }; -} - -function boundingRects(vm) { - var bounds = getBarBounds(vm); - var width = bounds.right - bounds.left; - var height = bounds.bottom - bounds.top; - var border = parseBorderWidth(vm, width / 2, height / 2); - - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b - } - }; -} - -function inRange(vm, x, y) { - var skipX = x === null; - var skipY = y === null; - var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); - - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); -} - -var element_rectangle = core_element.extend({ - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var rects = boundingRects(vm); - var outer = rects.outer; - var inner = rects.inner; - - ctx.fillStyle = vm.backgroundColor; - ctx.fillRect(outer.x, outer.y, outer.w, outer.h); - - if (outer.w === inner.w && outer.h === inner.h) { - return; - } - - ctx.save(); - ctx.beginPath(); - ctx.rect(outer.x, outer.y, outer.w, outer.h); - ctx.clip(); - ctx.fillStyle = vm.borderColor; - ctx.rect(inner.x, inner.y, inner.w, inner.h); - ctx.fill('evenodd'); - ctx.restore(); - }, - - height: function() { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function(mouseX, mouseY) { - return inRange(this._view, mouseX, mouseY); - }, - - inLabelRange: function(mouseX, mouseY) { - var vm = this._view; - return isVertical(vm) - ? inRange(vm, mouseX, null) - : inRange(vm, null, mouseY); - }, - - inXRange: function(mouseX) { - return inRange(this._view, mouseX, null); - }, - - inYRange: function(mouseY) { - return inRange(this._view, null, mouseY); - }, - - getCenterPoint: function() { - var vm = this._view; - var x, y; - if (isVertical(vm)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return {x: x, y: y}; - }, - - getArea: function() { - var vm = this._view; - - return isVertical(vm) - ? vm.width * Math.abs(vm.y - vm.base) - : vm.height * Math.abs(vm.x - vm.base); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } -}); - -var elements = {}; -var Arc = element_arc; -var Line = element_line; -var Point = element_point; -var Rectangle = element_rectangle; -elements.Arc = Arc; -elements.Line = Line; -elements.Point = Point; -elements.Rectangle = Rectangle; - -var resolve$1 = helpers$1.options.resolve; - -core_defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } -}); - -/** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ -function computeMinSampleSize(scale, pixels) { - var min = scale.isHorizontal() ? scale.width : scale.height; - var ticks = scale.getTicks(); - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, curr - prev) : min; - prev = curr; - } - - return min; -} - -/** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ -function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var size, ratio; - - if (helpers$1.isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; -} - -/** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ -function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale size. - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - (curr - Math.min(prev, next)) / 2 * percent; - size = Math.abs(next - prev) / 2 * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; -} - -var controller_bar = core_datasetController.extend({ - - dataElementType: elements.Rectangle, - - initialize: function() { - var me = this; - var meta; - - core_datasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - }, - - update: function(reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function(rectangle, index, reset) { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var options = me._resolveElementOptions(rectangle, index); - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - rectangle._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderSkipped: options.borderSkipped, - borderWidth: options.borderWidth, - datasetLabel: dataset.label, - label: me.chart.data.labels[index] - }; - - me._updateElementGeometry(rectangle, index, reset); - - rectangle.pivot(); - }, - - /** - * @private - */ - _updateElementGeometry: function(rectangle, index, reset) { - var me = this; - var model = rectangle._model; - var vscale = me._getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {number} [last] - The dataset index - * @returns {string[]} The list of stack IDs - * @private - */ - _getStacks: function(last) { - var me = this; - var chart = me.chart; - var scale = me._getIndexScale(); - var stacked = scale.options.stacked; - var ilen = last === undefined ? chart.data.datasets.length : last + 1; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - if (meta.bar && chart.isDatasetVisible(i) && - (stacked === false || - (stacked === true && stacks.indexOf(meta.stack) === -1) || - (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { - stacks.push(meta.stack); - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function() { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {number} [datasetIndex] - The dataset index - * @param {string} [name] - The stack name to find - * @returns {number} The stack index - * @private - */ - getStackIndex: function(datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function() { - var me = this; - var scale = me._getIndexScale(); - var stackCount = me.getStackCount(); - var datasetIndex = me.index; - var isHorizontal = scale.isHorizontal(); - var start = isHorizontal ? scale.left : scale.top; - var end = start + (isHorizontal ? scale.width : scale.height); - var pixels = []; - var i, ilen, min; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, datasetIndex)); - } - - min = helpers$1.isNullOrUndef(scale.options.barThickness) - ? computeMinSampleSize(scale, pixels) - : -1; - - return { - min: min, - pixels: pixels, - start: start, - end: end, - stackCount: stackCount, - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function(datasetIndex, index) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var scale = me._getValueScale(); - var isHorizontal = scale.isHorizontal(); - var datasets = chart.data.datasets; - var value = +scale.getRightValue(datasets[datasetIndex].data[index]); - var minBarLength = scale.options.minBarLength; - var stacked = scale.options.stacked; - var stack = meta.stack; - var start = 0; - var i, imeta, ivalue, base, head, size; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < datasetIndex; ++i) { - imeta = chart.getDatasetMeta(i); - - if (imeta.bar && - imeta.stack === stack && - imeta.controller._getValueScaleId() === scale.id && - chart.isDatasetVisible(i)) { - - ivalue = +scale.getRightValue(datasets[i].data[index]); - if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + value); - size = head - base; - - if (minBarLength !== undefined && Math.abs(size) < minBarLength) { - size = minBarLength; - if (value >= 0 && !isHorizontal || value < 0 && isHorizontal) { - head = base - minBarLength; - } else { - head = base + minBarLength; - } - } - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function(datasetIndex, index, ruler) { - var me = this; - var options = ruler.scale.options; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - helpers$1.valueOrDefault(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function() { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - if (!isNaN(scale.getRightValue(dataset.data[i]))) { - rects[i].draw(); - } - } - - helpers$1.canvas.unclipArea(chart.ctx); - }, - - /** - * @private - */ - _resolveElementOptions: function(rectangle, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = rectangle.custom || {}; - var options = chart.options.elements.rectangle; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderSkipped', - 'borderWidth' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$1([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - } -}); - -var valueOrDefault$3 = helpers$1.valueOrDefault; -var resolve$2 = helpers$1.options.resolve; - -core_defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function() { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function(item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } -}); - -var controller_bubble = core_datasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @protected - */ - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers$1.each(points, function(point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - rotation: options.rotation, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$3(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$3(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$3(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @private - */ - _resolveElementOptions: function(point, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = point.custom || {}; - var options = chart.options.elements.point; - var data = dataset.data[index]; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle', - 'rotation' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$2([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - // Custom radius resolution - values.radius = resolve$2([ - custom.radius, - data ? data.r : undefined, - dataset.radius, - options.radius - ], context, index); - - return values; - } -}); - -var resolve$3 = helpers$1.options.resolve; -var valueOrDefault$4 = helpers$1.valueOrDefault; - -core_defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function(chart) { - var text = []; - text.push('
      '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
    • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
    '); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc && arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$3([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$3([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$3([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: Math.PI * -0.5, - - // The total circumference of the chart. - circumference: Math.PI * 2.0, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers$1.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } -}); - -var controller_doughnut = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function(datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function(reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var availableWidth = chartArea.right - chartArea.left; - var availableHeight = chartArea.bottom - chartArea.top; - var minSize = Math.min(availableWidth, availableHeight); - var offset = {x: 0, y: 0}; - var meta = me.getMeta(); - var arcs = meta.data; - var cutoutPercentage = opts.cutoutPercentage; - var circumference = opts.circumference; - var chartWeight = me._getRingWeight(me.index); - var i, ilen; - - // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc - if (circumference < Math.PI * 2.0) { - var startAngle = opts.rotation % (Math.PI * 2.0); - startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); - var endAngle = startAngle + circumference; - var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; - var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; - var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); - var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); - var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); - var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); - var cutout = cutoutPercentage / 100.0; - var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; - var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; - var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; - minSize = Math.min(availableWidth / size.width, availableHeight / size.height); - offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - } - - chart.borderWidth = me.getMaxBorderWidth(); - chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); - chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); - chart.offsetX = offset.x * chart.outerRadius; - chart.offsetY = offset.y * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - me.updateElement(arcs[i], i, reset); - } - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - calculateTotal: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers$1.each(meta.data, function(element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function(value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return (Math.PI * 2.0) * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function(arcs) { - var me = this; - var max = 0; - var chart = me.chart; - var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; - - if (!arcs) { - // Find the outmost visible dataset - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - if (i !== me.index) { - controller = meta.controller; - } - break; - } - } - } - - if (!arcs) { - return 0; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arc = arcs[i]; - options = controller ? controller._resolveElementOptions(arc, i) : arc._options; - if (options.borderAlign !== 'inner') { - borderWidth = options.borderWidth; - hoverWidth = options.hoverBorderWidth; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - } - return max; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$3([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly - * @private - */ - _getRingWeightOffset: function(datasetIndex) { - var ringWeightOffset = 0; - - for (var i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - - return ringWeightOffset; - }, - - /** - * @private - */ - _getRingWeight: function(dataSetIndex) { - return Math.max(valueOrDefault$4(this.chart.data.datasets[dataSetIndex].weight, 1), 0); - }, - - /** - * Returns the sum of all visibile data set weights. This value can be 0. - * @private - */ - _getVisibleDatasetWeightTotal: function() { - return this._getRingWeightOffset(this.chart.data.datasets.length); - } -}); - -core_defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - type: 'category', - position: 'left', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - mode: 'index', - axis: 'y' - } -}); - -var controller_horizontalBar = controller_bar.extend({ - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().yAxisID; - } -}); - -var valueOrDefault$5 = helpers$1.valueOrDefault; -var resolve$4 = helpers$1.options.resolve; -var isPointInArea = helpers$1.canvas._isPointInArea; - -core_defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } -}); - -function lineEnabled(dataset, options) { - return valueOrDefault$5(dataset.showLine, options.showLines); -} - -var controller_line = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.getScaleForId(meta.yAxisID); - var dataset = me.getDataset(); - var showLine = lineEnabled(dataset, me.chart.options); - var i, ilen; - - // Update Line - if (showLine) { - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var yScale = me.getScaleForId(meta.yAxisID); - var xScale = me.getScaleForId(meta.xAxisID); - var lineModel = meta.dataset._model; - var x, y; - - var options = me._resolvePointOptions(point, index); - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$5(custom.tension, lineModel ? lineModel.tension : 0), - steppedLine: lineModel ? lineModel.steppedLine : false, - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options; - var elementOptions = options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill', - 'cubicInterpolationMode' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[key], - elementOptions[key] - ]); - } - - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - values.spanGaps = valueOrDefault$5(dataset.spanGaps, options.spanGaps); - values.tension = valueOrDefault$5(dataset.lineTension, elementOptions.tension); - values.steppedLine = resolve$4([custom.steppedLine, dataset.steppedLine, elementOptions.stepped]); - - return values; - }, - - calculatePointY: function(value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var yScale = me.getScaleForId(meta.yAxisID); - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta; - - if (yScale.options.stacked) { - for (i = 0; i < datasetIndex; i++) { - ds = chart.data.datasets[i]; - dsMeta = chart.getDatasetMeta(i); - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { - var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - var rightValue = Number(yScale.getRightValue(value)); - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var lineModel = meta.dataset._model; - var area = chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (lineModel.spanGaps) { - points = points.filter(function(pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (lineModel.cubicInterpolationMode === 'monotone') { - helpers$1.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i)._model, - model, - helpers$1.nextItem(points, i)._model, - lineModel.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - if (isPointInArea(model, area)) { - if (i > 0 && isPointInArea(points[i - 1]._model, area)) { - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - } - if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - } - } - }, - - draw: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var ilen = points.length; - var halfBorderWidth; - var i = 0; - - if (lineEnabled(me.getDataset(), chart.options)) { - halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; - - helpers$1.canvas.clipArea(chart.ctx, { - left: area.left, - right: area.right, - top: area.top - halfBorderWidth, - bottom: area.bottom + halfBorderWidth - }); - - meta.dataset.draw(); - - helpers$1.canvas.unclipArea(chart.ctx); - } - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$5(options.hoverRadius, options.radius); - }, -}); - -var resolve$5 = helpers$1.options.resolve; - -core_defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function(chart) { - var text = []; - text.push('
      '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
    • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
    '); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$5([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$5([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$5([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } -}); - -var controller_polarArea = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var dataset = me.getDataset(); - var meta = me.getMeta(); - var start = me.chart.options.startAngle || 0; - var starts = me._starts = []; - var angles = me._angles = []; - var arcs = meta.data; - var i, ilen, angle; - - me._updateRadius(); - - meta.count = me.countVisibleElements(); - - for (i = 0, ilen = dataset.data.length; i < ilen; i++) { - starts[i] = start; - angle = me._computeAngle(i); - angles[i] = angle; - start += angle; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - me.updateElement(arcs[i], i, reset); - } - }, - - /** - * @private - */ - _updateRadius: function() { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - - chart.outerRadius = Math.max(minSize / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = me._starts[index]; - var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - arc.pivot(); - }, - - countVisibleElements: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers$1.each(meta.data, function(element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - var valueOrDefault = helpers$1.valueOrDefault; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$5([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _computeAngle: function(index) { - var me = this; - var count = this.getMeta().count; - var dataset = me.getDataset(); - var meta = me.getMeta(); - - if (isNaN(dataset.data[index]) || meta.data[index].hidden) { - return 0; - } - - // Scriptable options - var context = { - chart: me.chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - return resolve$5([ - me.chart.options.elements.arc.angle, - (2 * Math.PI) / count - ], context, index); - } -}); - -core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); -core_defaults._set('pie', { - cutoutPercentage: 0 -}); - -// Pie charts are Doughnut chart with different defaults -var controller_pie = controller_doughnut; - -var valueOrDefault$6 = helpers$1.valueOrDefault; -var resolve$6 = helpers$1.options.resolve; - -core_defaults._set('radar', { - scale: { - type: 'radialLinear' - }, - elements: { - line: { - tension: 0 // no bezier in radar - } - } -}); - -var controller_radar = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.chart.scale; - var dataset = me.getDataset(); - var i, ilen; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - line._loop = true; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - // Update bezier control points - me.updateBezierControlPoints(); - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - var options = me._resolvePointOptions(point, index); - var lineModel = me.getMeta().dataset._model; - var x = reset ? scale.xCenter : pointPosition.x; - var y = reset ? scale.yCenter : pointPosition.y; - - // Utility - point._scale = scale; - point._options = options; - point._datasetIndex = me.index; - point._index = index; - - // Desired view properties - point._model = { - x: x, // value not used in dataset scale, but we want a consistent API between scales - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), - - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[key], - options[key] - ]); - } - - values.tension = valueOrDefault$6(dataset.lineTension, options.tension); - - return values; - }, - - updateBezierControlPoints: function() { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i, true)._model, - model, - helpers$1.nextItem(points, i, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); - model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); - model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); - model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); - } - }, - - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$6(options.hoverRadius, options.radius); - } -}); - -core_defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - showLines: false, - - tooltips: { - callbacks: { - title: function() { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function(item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } -}); - -// Scatter charts use line controllers -var controller_scatter = controller_line; - -// NOTE export a map in which the key represents the controller type, not -// the class, and so must be CamelCase in order to be correctly retrieved -// by the controller in core.controller.js (`controllers[meta.type]`). - -var controllers = { - bar: controller_bar, - bubble: controller_bubble, - doughnut: controller_doughnut, - horizontalBar: controller_horizontalBar, - line: controller_line, - polarArea: controller_polarArea, - pie: controller_pie, - radar: controller_radar, - scatter: controller_scatter -}; - -/** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {object} the event position - */ -function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers$1.getRelativePosition(e, chart); -} - -/** - * Helper function to traverse all of the visible elements in the chart - * @param {Chart} chart - the chart - * @param {function} handler - the callback to execute for each visible item - */ -function parseVisibleItems(chart, handler) { - var datasets = chart.data.datasets; - var meta, i, j, ilen, jlen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!chart.isDatasetVisible(i)) { - continue; - } - - meta = chart.getDatasetMeta(i); - for (j = 0, jlen = meta.data.length; j < jlen; ++j) { - var element = meta.data[j]; - if (!element._view.skip) { - handler(element); - } - } - } -} - -/** - * Helper function to get the items that intersect the event position - * @param {ChartElement[]} items - elements to filter - * @param {object} position - the point to be nearest to - * @return {ChartElement[]} the nearest items - */ -function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; -} - -/** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param {Chart} chart - the chart to look at elements from - * @param {object} position - the point to be nearest to - * @param {boolean} intersect - if true, only consider items that intersect the position - * @param {function} distanceMetric - function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ -function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function(element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; -} - -/** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {string} axis - the axis mode. x|y|xy - */ -function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function(pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} - -function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart.data.datasets.forEach(function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - } - }); - - return elements; -} - -/** - * @interface IInteractionOptions - */ -/** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - -/** - * Contains interaction related functions - * @namespace Chart.Interaction - */ -var core_interaction = { - // Helper function for different modes - modes: { - single: function(chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function(chart, e) { - return indexMode(chart, e, {intersect: false}); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function(chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - return getNearestItems(chart, position, options.intersect, distanceMetric); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } -}; - -function filterByPosition(array, position) { - return helpers$1.where(array, function(v) { - return v.position === position; - }); -} - -function sortByWeight(array, reverse) { - array.forEach(function(v, i) { - v._tmpIndex_ = i; - return v; - }); - array.sort(function(a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0._tmpIndex_ - v1._tmpIndex_ : - v0.weight - v1.weight; - }); - array.forEach(function(v) { - delete v._tmpIndex_; - }); -} - -function findMaxPadding(boxes) { - var top = 0; - var left = 0; - var bottom = 0; - var right = 0; - helpers$1.each(boxes, function(box) { - if (box.getPadding) { - var boxPadding = box.getPadding(); - top = Math.max(top, boxPadding.top); - left = Math.max(left, boxPadding.left); - bottom = Math.max(bottom, boxPadding.bottom); - right = Math.max(right, boxPadding.right); - } - }); - return { - top: top, - left: left, - bottom: bottom, - right: right - }; -} - -function addSizeByPosition(boxes, size) { - helpers$1.each(boxes, function(box) { - size[box.position] += box.isHorizontal() ? box.height : box.width; - }); -} - -core_defaults._set('global', { - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } -}); - -/** - * @interface ILayoutItem - * @prop {string} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {function} update - Takes two parameters: width and height. Returns size of item - * @prop {function} getPadding - Returns an object with padding on the edges - * @prop {number} width - Width of item. Must be valid after update() - * @prop {number} height - Height of item. Must be valid after update() - * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - -// The layout service is very self explanatory. It's responsible for the layout within a chart. -// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need -// It is this service's responsibility of carrying out that layout. -var core_layouts = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {ILayoutItem} layoutItem - the item to remove from the layout - */ - removeBox: function(chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {ILayoutItem} item - the item to configure with the given options - * @param {object} options - the new item options. - */ - configure: function(chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {number} width - the width to fit into - * @param {number} height - the height to fit into - */ - update: function(chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers$1.options.toPadding(layoutOptions.padding); - var leftPadding = padding.left; - var rightPadding = padding.right; - var topPadding = padding.top; - var bottomPadding = padding.bottom; - - var leftBoxes = filterByPosition(chart.boxes, 'left'); - var rightBoxes = filterByPosition(chart.boxes, 'right'); - var topBoxes = filterByPosition(chart.boxes, 'top'); - var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); - var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); - - // Sort boxes by weight. A higher weight is further away from the chart area - sortByWeight(leftBoxes, true); - sortByWeight(rightBoxes, false); - sortByWeight(topBoxes, true); - sortByWeight(bottomBoxes, false); - - var verticalBoxes = leftBoxes.concat(rightBoxes); - var horizontalBoxes = topBoxes.concat(bottomBoxes); - var outerBoxes = verticalBoxes.concat(horizontalBoxes); - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - // What we do to find the best sizing, we do the following - // 1. Determine the minimum size of the chart area. - // 2. Split the remaining width equally between each vertical axis - // 3. Split the remaining height equally between each horizontal axis - // 4. Give each layout the maximum size it can be. The layout will return it's minimum size - // 5. Adjust the sizes of each axis based on it's minimum reported size. - // 6. Refit each axis - // 7. Position each axis in the final location - // 8. Tell the chart the final location of the chart area - // 9. Tell any axes that overlay the chart area the positions of the chart area - - // Step 1 - var chartWidth = width - leftPadding - rightPadding; - var chartHeight = height - topPadding - bottomPadding; - var chartAreaWidth = chartWidth / 2; // min 50% - - // Step 2 - var verticalBoxWidth = (width - chartAreaWidth) / verticalBoxes.length; - - // Step 3 - // TODO re-limit horizontal axis height (this limit has affected only padding calculation since PR 1837) - // var horizontalBoxHeight = (height - chartAreaHeight) / horizontalBoxes.length; - - // Step 4 - var maxChartAreaWidth = chartWidth; - var maxChartAreaHeight = chartHeight; - var outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - var minBoxSizes = []; - var maxPadding; - - function getMinimumBoxSize(box) { - var minSize; - var isHorizontal = box.isHorizontal(); - - if (isHorizontal) { - minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2); - maxChartAreaHeight -= minSize.height; - } else { - minSize = box.update(verticalBoxWidth, maxChartAreaHeight); - maxChartAreaWidth -= minSize.width; - } - - minBoxSizes.push({ - horizontal: isHorizontal, - width: minSize.width, - box: box, - }); - } - - helpers$1.each(outerBoxes, getMinimumBoxSize); - - // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) - maxPadding = findMaxPadding(outerBoxes); - - // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could - // be if the axes are drawn at their minimum sizes. - // Steps 5 & 6 - - // Function to fit a box - function fitBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minBox) { - return minBox.box === box; - }); - - if (minBoxSize) { - if (minBoxSize.horizontal) { - var scaleMargin = { - left: Math.max(outerBoxSizes.left, maxPadding.left), - right: Math.max(outerBoxSizes.right, maxPadding.right), - top: 0, - bottom: 0 - }; - - // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends - // on the margin. Sometimes they need to increase in size slightly - box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); - } else { - box.update(minBoxSize.width, maxChartAreaHeight); - } - } - } - - // Update, and calculate the left and right margins for the horizontal boxes - helpers$1.each(verticalBoxes, fitBox); - addSizeByPosition(verticalBoxes, outerBoxSizes); - - // Set the Left and Right margins for the horizontal boxes - helpers$1.each(horizontalBoxes, fitBox); - addSizeByPosition(horizontalBoxes, outerBoxSizes); - - function finalFitVerticalBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minSize) { - return minSize.box === box; - }); - - var scaleMargin = { - left: 0, - right: 0, - top: outerBoxSizes.top, - bottom: outerBoxSizes.bottom - }; - - if (minBoxSize) { - box.update(minBoxSize.width, maxChartAreaHeight, scaleMargin); - } - } - - // Let the left layout know the final margin - helpers$1.each(verticalBoxes, finalFitVerticalBox); - - // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) - outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - addSizeByPosition(outerBoxes, outerBoxSizes); - - // We may be adding some padding to account for rotated x axis labels - var leftPaddingAddition = Math.max(maxPadding.left - outerBoxSizes.left, 0); - outerBoxSizes.left += leftPaddingAddition; - outerBoxSizes.right += Math.max(maxPadding.right - outerBoxSizes.right, 0); - - var topPaddingAddition = Math.max(maxPadding.top - outerBoxSizes.top, 0); - outerBoxSizes.top += topPaddingAddition; - outerBoxSizes.bottom += Math.max(maxPadding.bottom - outerBoxSizes.bottom, 0); - - // Figure out if our chart area changed. This would occur if the dataset layout label rotation - // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do - // without calling `fit` again - var newMaxChartAreaHeight = height - outerBoxSizes.top - outerBoxSizes.bottom; - var newMaxChartAreaWidth = width - outerBoxSizes.left - outerBoxSizes.right; - - if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { - helpers$1.each(verticalBoxes, function(box) { - box.height = newMaxChartAreaHeight; - }); - - helpers$1.each(horizontalBoxes, function(box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - maxChartAreaHeight = newMaxChartAreaHeight; - maxChartAreaWidth = newMaxChartAreaWidth; - } - - // Step 7 - Position the boxes - var left = leftPadding + leftPaddingAddition; - var top = topPadding + topPaddingAddition; - - function placeBox(box) { - if (box.isHorizontal()) { - box.left = box.fullWidth ? leftPadding : outerBoxSizes.left; - box.right = box.fullWidth ? width - rightPadding : outerBoxSizes.left + maxChartAreaWidth; - box.top = top; - box.bottom = top + box.height; - - // Move to next point - top = box.bottom; - - } else { - - box.left = left; - box.right = left + box.width; - box.top = outerBoxSizes.top; - box.bottom = outerBoxSizes.top + maxChartAreaHeight; - - // Move to next point - left = box.right; - } - } - - helpers$1.each(leftBoxes.concat(topBoxes), placeBox); - - // Account for chart width and height - left += maxChartAreaWidth; - top += maxChartAreaHeight; - - helpers$1.each(rightBoxes, placeBox); - helpers$1.each(bottomBoxes, placeBox); - - // Step 8 - chart.chartArea = { - left: outerBoxSizes.left, - top: outerBoxSizes.top, - right: outerBoxSizes.left + maxChartAreaWidth, - bottom: outerBoxSizes.top + maxChartAreaHeight - }; - - // Step 9 - helpers$1.each(chartAreaBoxes, function(box) { - box.left = chart.chartArea.left; - box.top = chart.chartArea.top; - box.right = chart.chartArea.right; - box.bottom = chart.chartArea.bottom; - - box.update(maxChartAreaWidth, maxChartAreaHeight); - }); - } -}; - -/** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - -var platform_basic = { - acquireContext: function(item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } -}; - -var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n"; - -var platform_dom$1 = /*#__PURE__*/Object.freeze({ -default: platform_dom -}); - -var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; - -function commonjsRequire () { - throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs'); -} - -function createCommonjsModule(fn, module) { - return module = { exports: {} }, fn(module, module.exports), module.exports; -} - -function getCjsExportFromNamespace (n) { - return n && n.default || n; -} - -var stylesheet = getCjsExportFromNamespace(platform_dom$1); - -var EXPANDO_KEY = '$chartjs'; -var CSS_PREFIX = 'chartjs-'; -var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; -var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; -var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; -var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - -/** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ -var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; - -/** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {number} Size in pixels or undefined if unknown. - */ -function readUsedSize(element, property) { - var value = helpers$1.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; -} - -/** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ -function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; -} - -/** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ -var supportsEventListenerOptions = (function() { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - // eslint-disable-next-line getter-return - get: function() { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; -}()); - -// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. -// https://github.com/chartjs/Chart.js/issues/4287 -var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; - -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} - -function removeListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); -} - -function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} - -function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers$1.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); -} - -function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function() { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers$1.requestAnimFrame.call(window, function() { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} - -function createDiv(cls) { - var el = document.createElement('div'); - el.className = cls || ''; - return el; -} - -// Implementation based on https://github.com/marcj/css-element-queries -function createResizer(handler) { - var maxSize = 1000000; - - // NOTE(SB) Don't use innerHTML because it could be considered unsafe. - // https://github.com/chartjs/Chart.js/issues/5902 - var resizer = createDiv(CSS_SIZE_MONITOR); - var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); - var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); - - expand.appendChild(createDiv()); - shrink.appendChild(createDiv()); - - resizer.appendChild(expand); - resizer.appendChild(shrink); - resizer._reset = function() { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - - var onScroll = function() { - resizer._reset(); - handler(); - }; - - addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; -} - -// https://davidwalsh.name/detect-node-insertion -function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function(e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - addListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); -} - -function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - removeListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); -} - -function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function() { - if (expando.resizer) { - var container = chart.options.maintainAspectRatio && node.parentNode; - var w = container ? container.clientWidth : 0; - listener(createEvent('resize', chart)); - if (container && container.clientWidth < w && chart.canvas) { - // If the container size shrank during chart resize, let's assume - // scrollbar appeared. So we resize again with the scrollbar visible - - // effectively making chart smaller and the scrollbar hidden again. - // Because we are inside `throttled`, and currently `ticking`, scroll - // events are ignored during this whole 2 resize process. - // If we assumed wrong and something else happened, we are resizing - // twice in a frame (potential performance issue) - listener(createEvent('resize', chart)); - } - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function() { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); -} - -function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); - } -} - -function injectCSS(platform, css) { - // https://stackoverflow.com/q/3922139 - var style = platform._style || document.createElement('style'); - if (!platform._style) { - platform._style = style; - css = '/* Chart.js */\n' + css; - style.setAttribute('type', 'text/css'); - document.getElementsByTagName('head')[0].appendChild(style); - } - - style.appendChild(document.createTextNode(css)); -} - -var platform_dom$2 = { - /** - * When `true`, prevents the automatic injection of the stylesheet required to - * correctly detect when the chart is added to the DOM and then resized. This - * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`) - * to be manually imported to make this library compatible with any CSP. - * See https://github.com/chartjs/Chart.js/issues/5208 - */ - disableCSSInjection: false, - - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', - - /** - * @private - */ - _ensureLoaded: function() { - if (this._loaded) { - return; - } - - this._loaded = true; - - // https://github.com/chartjs/Chart.js/issues/5208 - if (!this.disableCSSInjection) { - injectCSS(this, stylesheet); - } - }, - - acquireContext: function(item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } - - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); - - // Load platform resources on first chart creation, to make possible to change - // platform options after importing the library (e.g. `disableCSSInjection`). - this._ensureLoaded(); - - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - initCanvas(item, config); - return context; - } - - return null; - }, - - releaseContext: function(context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } - - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function(prop) { - var value = initial[prop]; - if (helpers$1.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers$1.each(initial.style || {}, function(value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - // eslint-disable-next-line no-self-assign - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function(event) { - listener(fromNativeEvent(event, chart)); - }; - - addListener(canvas, type, proxy); - }, - - removeEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeListener(canvas, type, proxy); - } -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.addEvent = addListener; - -/** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.removeEvent = removeListener; - -// @TODO Make possible to select another platform at build time. -var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic; - -/** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ -var platform = helpers$1.extend({ - /** - * @since 2.7.0 - */ - initialize: function() {}, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function() {}, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {boolean} true if the method succeeded, else false - */ - releaseContext: function() {}, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {string} type - The ({@link IEvent}) type to listen for - * @param {function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function() {}, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart - Chart from which to remove the listener - * @param {string} type - The ({@link IEvent}) type to remove - * @param {function} listener - The listener function to remove from the event target. - */ - removeEventListener: function() {} - -}, implementation); - -core_defaults._set('global', { - plugins: {} -}); - -/** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ -var core_plugins = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - register: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - unregister: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function() { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {number} - * @since 2.1.5 - */ - count: function() { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {IPlugin[]} array of plugin objects. - * @since 2.1.5 - */ - getAll: function() { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Chart} chart - The chart instance for which plugins should be called. - * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {boolean} false if any of the plugins return false, else returns true. - */ - notify: function(chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {object[]} [{ plugin, options }] - * @private - */ - descriptors: function(chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function(plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers$1.clone(core_defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function(chart) { - delete chart.$plugins; - } -}; - -var core_scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function(type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers$1.clone(scaleDefaults); - }, - getScaleConstructor: function(type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function(type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers$1.merge({}, [core_defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function(type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers$1.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function(chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers$1.each(chart.scales, function(scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - core_layouts.addBox(chart, scale); - }); - } -}; - -var valueOrDefault$7 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers$1.noop, - title: function(tooltipItems, data) { - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - if (item.label) { - title = item.label; - } else if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers$1.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers$1.noop, - label: function(tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - if (!helpers$1.isNullOrUndef(tooltipItem.value)) { - label += tooltipItem.value; - } else { - label += tooltipItem.yLabel; - } - return label; - }, - labelColor: function(tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function() { - return this._options.bodyFontColor; - }, - afterLabel: helpers$1.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers$1.noop, - footer: helpers$1.noop, - afterFooter: helpers$1.noop - } - } -}); - -var positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {object} tooltip position - */ - average: function(elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: x / count, - y: y / count - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {object} the position of the event in canvas coordinates - * @returns {object} the tooltip position - */ - nearest: function(elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers$1.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } -}; - -// Helper to push or concat based on if the 2nd parameter is an array or not -function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers$1.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; -} - -/** - * Returns array of strings split by newline - * @param {string} value - The value to split by newline. - * @returns {string[]} value if newline present - Returned from String split() method - * @function - */ -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; -} - - -/** - * Private helper to create a tooltip item model - * @param element - the chart element (point, arc, bar) to create the tooltip item for - * @return new tooltip item - */ -function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - var controller = element._chart.getDatasetMeta(datasetIndex).controller; - var indexScale = controller._getIndexScale(); - var valueScale = controller._getValueScale(); - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '', - value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; -} - -/** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {object} the tooltip options - */ -function getBaseModel(tooltipOpts) { - var globalDefaults = core_defaults.global; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault$7(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault$7(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault$7(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault$7(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault$7(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault$7(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault$7(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault$7(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault$7(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; -} - -/** - * Get the size of the tooltip - */ -function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function(count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers$1.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers$1.each(body, function(bodyItem) { - helpers$1.each(bodyItem.before, maxLineWidth); - helpers$1.each(bodyItem.lines, maxLineWidth); - helpers$1.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers$1.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; -} - -/** - * Helper to get the alignment of a tooltip given the size - */ -function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function(x) { - return x <= midX; - }; - rf = function(x) { - return x > midX; - }; - } else { - lf = function(x) { - return x <= (size.width / 2); - }; - rf = function(x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function(x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function(x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function(y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; -} - -/** - * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ -function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; -} - -function getAlignedX(vm, align) { - return align === 'center' - ? vm.x + vm.width / 2 - : align === 'right' - ? vm.x + vm.width - vm.xPadding - : vm.x + vm.xPadding; -} - -/** - * Helper to build before and after body lines - */ -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); -} - -var exports$3 = core_element.extend({ - initialize: function() { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function() { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); - }, - - // Args are: (tooltipItem, data) - getBody: function(tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers$1.each(tooltipItems, function(tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function() { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - - return lines; - }, - - update: function(changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function(a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function(a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers$1.each(tooltipItems, function(tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = tooltipPosition.x; - model.y = tooltipPosition.y; - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - - drawCaret: function(tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function(tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; - }, - - drawTitle: function(pt, vm, ctx) { - var title = vm.title; - - if (title.length) { - pt.x = getAlignedX(vm, vm._titleAlign); - - ctx.textAlign = vm._titleAlign; - ctx.textBaseline = 'top'; - - var titleFontSize = vm.titleFontSize; - var titleSpacing = vm.titleSpacing; - - ctx.fillStyle = vm.titleFontColor; - ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - var i, len; - for (i = 0, len = title.length; i < len; ++i) { - ctx.fillText(title[i], pt.x, pt.y); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === title.length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - - drawBody: function(pt, vm, ctx) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var bodyAlign = vm._bodyAlign; - var body = vm.body; - var drawColorBoxes = vm.displayColors; - var labelColors = vm.labelColors; - var xLinePadding = 0; - var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0; - var textColor; - - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'top'; - ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - pt.x = getAlignedX(vm, bodyAlign); - - // Before Body - var fillLineOfText = function(line) { - ctx.fillText(line, pt.x + xLinePadding, pt.y); - pt.y += bodyFontSize + bodySpacing; - }; - - // Before body lines - ctx.fillStyle = vm.bodyFontColor; - helpers$1.each(vm.beforeBody, fillLineOfText); - - xLinePadding = drawColorBoxes && bodyAlign !== 'right' - ? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2) - : 0; - - // Draw body lines now - helpers$1.each(body, function(bodyItem, i) { - textColor = vm.labelTextColors[i]; - ctx.fillStyle = textColor; - helpers$1.each(bodyItem.before, fillLineOfText); - - helpers$1.each(bodyItem.lines, function(line) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = vm.legendColorBackground; - ctx.fillRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = labelColors[i].borderColor; - ctx.strokeRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = labelColors[i].backgroundColor; - ctx.fillRect(colorX + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(line); - }); - - helpers$1.each(bodyItem.after, fillLineOfText); - }); - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers$1.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - - drawFooter: function(pt, vm, ctx) { - var footer = vm.footer; - - if (footer.length) { - pt.x = getAlignedX(vm, vm._footerAlign); - pt.y += vm.footerMarginTop; - - ctx.textAlign = vm._footerAlign; - ctx.textBaseline = 'top'; - - ctx.fillStyle = vm.footerFontColor; - ctx.font = helpers$1.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - helpers$1.each(footer, function(line) { - ctx.fillText(line, pt.x, pt.y); - pt.y += vm.footerFontSize + vm.footerSpacing; - }); - } - }, - - drawBackground: function(pt, vm, ctx, tooltipSize) { - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize); - - // Draw Title, Body, and Footer - pt.y += vm.yPadding; - - // Titles - this.drawTitle(pt, vm, ctx); - - // Body - this.drawBody(pt, vm, ctx); - - // Footer - this.drawFooter(pt, vm, ctx); - - ctx.restore(); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {boolean} true if the tooltip changed - */ - handleEvent: function(e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - } - - // Remember Last Actives - changed = !helpers$1.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } -}); - -/** - * @namespace Chart.Tooltip.positioners - */ -var positioners_1 = positioners; - -var core_tooltip = exports$3; -core_tooltip.positioners = positioners_1; - -var valueOrDefault$8 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - elements: {}, - events: [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - maintainAspectRatio: true, - responsive: true, - responsiveAnimationDuration: 0 -}); - -/** - * Recursively merge the given config objects representing the `scales` option - * by incorporating scale defaults in `xAxes` and `yAxes` array items, then - * returns a deep copy of the result, thus doesn't alter inputs. - */ -function mergeScaleConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = valueOrDefault$8(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers$1.merge(target[key][i], scale); - } - } - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -/** - * Recursively merge the given config objects as the root options by handling - * default scale options for the `scales` and `scale` properties, then returns - * a deep copy of the result, thus doesn't alter inputs. - */ -function mergeConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = mergeScaleConfig(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -function initConfig(config) { - config = config || {}; - - // Do NOT use mergeConfig for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = mergeConfig( - core_defaults.global, - core_defaults[config.type], - config.options || {}); - - return config; -} - -function updateConfig(chart) { - var newOptions = chart.options; - - helpers$1.each(chart.scales, function(scale) { - core_layouts.removeBox(chart, scale); - }); - - newOptions = mergeConfig( - core_defaults.global, - core_defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); -} - -function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; -} - -var Chart = function(item, config) { - this.construct(item, config); - return this; -}; - -helpers$1.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function(item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers$1.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function() { - return me.config.data; - }, - set: function(value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function() { - var me = this; - - // Before init plugin notification - core_plugins.notify(me, 'beforeInit'); - - helpers$1.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - // Make sure scales have IDs and are built before we build any controllers. - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - me.initToolTip(); - - // After init plugin notification - core_plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function() { - helpers$1.canvas.clear(this); - return this; - }, - - stop: function() { - // Stops any current animation loop occurring - core_animations.cancelAnimation(this); - return this; - }, - - resize: function(silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed - var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers$1.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = {width: newWidth, height: newHeight}; - core_plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (options.onResize) { - options.onResize(me, newSize); - } - - me.stop(); - me.update({ - duration: options.responsiveAnimationDuration - }); - } - }, - - ensureScalesHaveIDs: function() { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) { - xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); - }); - - helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) { - yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function() { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function(obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function(xAxisOptions) { - return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; - }), - (options.scales.yAxes || []).map(function(yAxisOptions) { - return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers$1.each(items, function(item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = valueOrDefault$8(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = core_scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers$1.each(updated, function(hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - core_scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function() { - var me = this; - var newControllers = []; - - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - var meta = me.getDatasetMeta(datasetIndex); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(datasetIndex); - meta = me.getDatasetMeta(datasetIndex); - } - meta.type = type; - - if (meta.controller) { - meta.controller.updateIndex(datasetIndex); - meta.controller.linkScales(); - } else { - var ControllerClass = controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, datasetIndex); - newControllers.push(meta.controller); - } - }, me); - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function() { - var me = this; - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function() { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - core_plugins._invalidate(me); - - if (core_plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); - }, me); - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers$1.each(newControllers, function(controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - core_plugins.notify(me, 'afterUpdate'); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeLayout') === false) { - return; - } - - core_layouts.update(this, this.width, this.height); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_plugins.notify(me, 'afterScaleUpdate'); - core_plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - core_plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function(index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller.update(); - - core_plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var animationOptions = me.options.animation; - var duration = valueOrDefault$8(config.duration, animationOptions && animationOptions.duration); - var lazy = config.lazy; - - if (core_plugins.notify(me, 'beforeRender') === false) { - return; - } - - var onComplete = function(animation) { - core_plugins.notify(me, 'afterRender'); - helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && duration) { - var animation = new core_animation({ - numSteps: duration / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function(chart, animationObject) { - var easingFunction = helpers$1.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - core_animations.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new core_animation({numSteps: 0, chart: me})); - } - - return me; - }, - - draw: function(easingValue) { - var me = this; - - me.clear(); - - if (helpers$1.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (me.width <= 0 || me.height <= 0) { - return; - } - - if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Draw all the scales - helpers$1.each(me.boxes, function(box) { - box.draw(me.chartArea); - }, me); - - me.drawDatasets(easingValue); - me._drawTooltip(easingValue); - - core_plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function(easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function(easingValue) { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - // Draw datasets reversed to support proper line stacking - for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { - if (me.isDatasetVisible(i)) { - me.drawDataset(i, easingValue); - } - } - - core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function(index, easingValue) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - core_plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function(easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - core_plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - /** - * Get the single element that was clicked on - * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - */ - getElementAtEvent: function(e) { - return core_interaction.modes.single(this, e); - }, - - getElementsAtEvent: function(e) { - return core_interaction.modes.label(this, e, {intersect: true}); - }, - - getElementsAtXAxis: function(e) { - return core_interaction.modes['x-axis'](this, e, {intersect: true}); - }, - - getElementsAtEventForMode: function(e, mode, options) { - var method = core_interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function(e) { - return core_interaction.modes.dataset(this, e, {intersect: true}); - }, - - getDatasetMeta: function(datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null - }; - } - - return meta; - }, - - getVisibleDatasetCount: function() { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function(datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function() { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function(datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function() { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers$1.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - core_plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function() { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function() { - var me = this; - me.tooltip = new core_tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function() { - var me = this; - var listeners = me._listeners = {}; - var listener = function() { - me.eventHandler.apply(me, arguments); - }; - - helpers$1.each(me.options.events, function(type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function() { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function() { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers$1.each(listeners, function(listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function(elements, mode, enabled) { - var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[method](element); - } - } - }, - - /** - * @private - */ - eventHandler: function(e) { - var me = this; - var tooltip = me.tooltip; - - if (core_plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - core_plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render({ - duration: me.options.hover.animationDuration, - lazy: true - }); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {boolean} true if the chart needs to re-render - */ - handleEvent: function(e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers$1.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } -}); - -/** - * NOTE(SB) We actually don't use this container anymore but we need to keep it - * for backward compatibility. Though, it can still be useful for plugins that - * would need to work on multiple charts?! - */ -Chart.instances = {}; - -var core_controller = Chart; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6 - * @todo remove at version 3 - * @private - */ -Chart.Controller = Chart; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -Chart.types = {}; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.configMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.configMerge = mergeConfig; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.scaleMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.scaleMerge = mergeScaleConfig; - -var core_helpers = function() { - - // -- Basic js utility methods - - helpers$1.where = function(collection, filterCallback) { - if (helpers$1.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers$1.each(collection, function(item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers$1.findIndex = Array.prototype.findIndex ? - function(array, callback, scope) { - return array.findIndex(callback, scope); - } : - function(array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers$1.isNumber = function(n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers$1.almostEquals = function(x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers$1.almostWhole = function(x, epsilon) { - var rounded = Math.round(x); - return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); - }; - helpers$1.max = function(array) { - return array.reduce(function(max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers$1.min = function(array) { - return array.reduce(function(min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers$1.sign = Math.sign ? - function(x) { - return Math.sign(x); - } : - function(x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers$1.log10 = Math.log10 ? - function(x) { - return Math.log10(x); - } : - function(x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - }; - helpers$1.toRadians = function(degrees) { - return degrees * (Math.PI / 180); - }; - helpers$1.toDegrees = function(radians) { - return radians * (180 / Math.PI); - }; - - /** - * Returns the number of decimal places - * i.e. the number of digits after the decimal point, of the value of this Number. - * @param {number} x - A number. - * @returns {number} The number of decimal places. - * @private - */ - helpers$1._decimalPlaces = function(x) { - if (!helpers$1.isFinite(x)) { - return; - } - var e = 1; - var p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; - }; - - // Gets the angle from vertical upright to the point about a centre. - helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers$1.distanceBetweenPoints = function(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.helpers.aliasPixel - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - helpers$1.aliasPixel = function(pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - - /** - * Returns the aligned pixel value to avoid anti-aliasing blur - * @param {Chart} chart - The chart instance. - * @param {number} pixel - A pixel value. - * @param {number} width - The width of the element. - * @returns {number} The aligned pixel value. - * @private - */ - helpers$1._alignPixel = function(chart, pixel, width) { - var devicePixelRatio = chart.currentDevicePixelRatio; - var halfWidth = width / 2; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; - }; - - helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers$1.EPSILON = Number.EPSILON || 1e-14; - helpers$1.splineCurveMonotone = function(points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function(point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers$1.nextItem = function(collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers$1.previousItem = function(collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers$1.niceNum = function(range, round) { - var exponent = Math.floor(helpers$1.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers$1.requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback) { - return window.setTimeout(callback, 1000 / 60); - }; - }()); - // -- DOM methods - helpers$1.getRelativePosition = function(evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.target || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - /** - * Returns the max width or height of the given DOM node in a cross-browser compatible fashion - * @param {HTMLElement} domNode - the node to check the constraint on - * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height') - * @param {string} percentageProperty - property of parent to use when calculating width as a percentage - * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser} - */ - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = helpers$1._getParentNode(domNode); - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - // returns Number or undefined if no constraint - helpers$1.getConstraintWidth = function(domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers$1.getConstraintHeight = function(domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - /** - * @private - */ - helpers$1._calculatePadding = function(container, padding, parentDimension) { - padding = helpers$1.getStyle(container, padding); - - return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10); - }; - /** - * @private - */ - helpers$1._getParentNode = function(domNode) { - var parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; - }; - helpers$1.getMaximumWidth = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientWidth; - } - - var clientWidth = container.clientWidth; - var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth); - var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth); - - var w = clientWidth - paddingLeft - paddingRight; - var cw = helpers$1.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers$1.getMaximumHeight = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientHeight; - } - - var clientHeight = container.clientHeight; - var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight); - var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight); - - var h = clientHeight - paddingTop - paddingBottom; - var ch = helpers$1.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers$1.getStyle = function(el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers$1.retinaScale = function(chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers$1.longestText = function(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - helpers$1.each(arrayOfThings, function(thing) { - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) { - longest = helpers$1.measureText(ctx, data, gc, longest, thing); - } else if (helpers$1.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - helpers$1.each(thing, function(nestedThing) { - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) { - longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing); - } - }); - } - }); - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (var i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers$1.measureText = function(ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - helpers$1.numberOfLabelLines = function(arrayOfThings) { - var numberOfLines = 1; - helpers$1.each(arrayOfThings, function(thing) { - if (helpers$1.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers$1.color = !chartjsColor ? - function(value) { - console.error('Color.js not found!'); - return value; - } : - function(value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = core_defaults.global.defaultColor; - } - - return chartjsColor(value); - }; - - helpers$1.getHoverColor = function(colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ? - colorValue : - helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; -}; - -function abstract() { - throw new Error( - 'This method is not implemented: either no adapter can ' + - 'be found or an incomplete integration was provided.' - ); -} - -/** - * Date adapter (current used by the time scale) - * @namespace Chart._adapters._date - * @memberof Chart._adapters - * @private - */ - -/** - * Currently supported unit string values. - * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')} - * @memberof Chart._adapters._date - * @name Unit - */ - -/** - * @class - */ -function DateAdapter(options) { - this.options = options || {}; -} - -helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ { - /** - * Returns a map of time formats for the supported formatting units defined - * in Unit as well as 'datetime' representing a detailed date/time string. - * @returns {{string: string}} - */ - formats: abstract, - - /** - * Parses the given `value` and return the associated timestamp. - * @param {any} value - the value to parse (usually comes from the data) - * @param {string} [format] - the expected data format - * @returns {(number|null)} - * @function - */ - parse: abstract, - - /** - * Returns the formatted date in the specified `format` for a given `timestamp`. - * @param {number} timestamp - the timestamp to format - * @param {string} format - the date/time token - * @return {string} - * @function - */ - format: abstract, - - /** - * Adds the specified `amount` of `unit` to the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {number} amount - the amount to add - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - add: abstract, - - /** - * Returns the number of `unit` between the given timestamps. - * @param {number} max - the input timestamp (reference) - * @param {number} min - the timestamp to substract - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - diff: abstract, - - /** - * Returns start of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @param {number} [weekday] - the ISO day of the week with 1 being Monday - * and 7 being Sunday (only needed if param *unit* is `isoWeek`). - * @function - */ - startOf: abstract, - - /** - * Returns end of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @function - */ - endOf: abstract, - - // DEPRECATIONS - - /** - * Provided for backward compatibility for scale.getValueForPixel(), - * this method should be overridden only by the moment adapter. - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(value) { - return value; - } -}); - -DateAdapter.override = function(members) { - helpers$1.extend(DateAdapter.prototype, members); -}; - -var _date = DateAdapter; - -var core_adapters = { - _date: _date -}; - -/** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ -var core_ticks = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {string|string[]} the label to display - */ - values: function(value) { - return helpers$1.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {number} the value to be formatted - * @param index {number} the position of the tickValue parameter in the ticks array - * @param ticks {number[]} the list of ticks being converted - * @return {string} string representation of the tickValue parameter - */ - linear: function(tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers$1.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); - if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation - var logTick = helpers$1.log10(Math.abs(tickValue)); - tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); - } else { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function(tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } -}; - -var valueOrDefault$9 = helpers$1.valueOrDefault; -var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault; - -core_defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: core_ticks.formatters.values, - minor: {}, - major: {} - } -}); - -function labelsFromTicks(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(ticks[i].label); - } - - return labels; -} - -function getPixelForGridLine(scale, index, offsetGridLines) { - var lineValue = scale.getPixelForTick(index); - - if (offsetGridLines) { - if (scale.getTicks().length === 1) { - lineValue -= scale.isHorizontal() ? - Math.max(lineValue - scale.left, scale.right - lineValue) : - Math.max(lineValue - scale.top, scale.bottom - lineValue); - } else if (index === 0) { - lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; - } else { - lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; - } - } - return lineValue; -} - -function computeTextSize(context, tick, font) { - return helpers$1.isArray(tick) ? - helpers$1.longestText(context, font, tick) : - context.measureText(tick).width; -} - -var core_scale = core_element.extend({ - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function() { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function() { - return this._ticks; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - mergeTicksOptions: function() { - var ticks = this.options.ticks; - if (ticks.minor === false) { - ticks.minor = { - display: false - }; - } - if (ticks.major === false) { - ticks.major = { - display: false - }; - } - for (var key in ticks) { - if (key !== 'major' && key !== 'minor') { - if (typeof ticks.minor[key] === 'undefined') { - ticks.minor[key] = ticks[key]; - } - if (typeof ticks.major[key] === 'undefined') { - ticks.major[key] = ticks[key]; - } - } - } - }, - beforeUpdate: function() { - helpers$1.callback(this.options.beforeUpdate, [this]); - }, - - update: function(maxWidth, maxHeight, margins) { - var me = this; - var i, ilen, labels, label, ticks, tick; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers$1.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - - me._maxLabelLines = 0; - me.longestLabelWidth = 0; - me.longestTextCache = me.longestTextCache || {}; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - // Allow modification of ticks in callback. - ticks = me.afterBuildTicks(ticks) || ticks; - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = labels.length; i < ilen; ++i) { - label = labels[i]; - tick = ticks[i]; - if (!tick) { - ticks.push(tick = { - label: label, - major: false - }); - } else { - tick.label = label; - } - } - - me._ticks = ticks; - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: function() { - helpers$1.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function() { - helpers$1.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function() { - helpers$1.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function() { - helpers$1.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers$1.noop, - afterDataLimits: function() { - helpers$1.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function() { - helpers$1.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers$1.noop, - afterBuildTicks: function(ticks) { - var me = this; - // ticks is empty for old axis implementations here - if (helpers$1.isArray(ticks) && ticks.length) { - return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]); - } - // Support old implementations (that modified `this.ticks` directly in buildTicks) - me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks; - return ticks; - }, - - beforeTickToLabelConversion: function() { - helpers$1.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function() { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function() { - helpers$1.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function() { - helpers$1.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function() { - var me = this; - var context = me.ctx; - var tickOpts = me.options.ticks; - var labels = labelsFromTicks(me._ticks); - - // Get the width of each grid by calculating the difference - // between x offsets between 0 and 1. - var tickFont = helpers$1.options._parseFont(tickOpts); - context.font = tickFont.string; - - var labelRotation = tickOpts.minRotation || 0; - - if (labels.length && me.options.display && me.isHorizontal()) { - var originalLabelWidth = helpers$1.longestText(context, tickFont.string, labels, me.longestTextCache); - var labelWidth = originalLabelWidth; - var cosRotation, sinRotation; - - // Allow 3 pixels x2 padding either side for label readability - var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; - - // Max label rotation can be set or default to 90 - also act as a loop counter - while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { - var angleRadians = helpers$1.toRadians(labelRotation); - cosRotation = Math.cos(angleRadians); - sinRotation = Math.sin(angleRadians); - - if (sinRotation * originalLabelWidth > me.maxHeight) { - // go back one step - labelRotation--; - break; - } - - labelRotation++; - labelWidth = cosRotation * originalLabelWidth; - } - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function() { - helpers$1.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function() { - helpers$1.callback(this.options.beforeFit, [this]); - }, - fit: function() { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var labels = labelsFromTicks(me._ticks); - - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = me._isVisible(); - var position = opts.position; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var tickFont = parseFont(tickOpts); - var tickMarkLength = opts.gridLines.tickMarkLength; - - // Width - if (isHorizontal) { - // subtract the margins to line up with the chartArea if we are a full width scale - minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; - } else { - minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } - - // height - if (isHorizontal) { - minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } else { - minSize.height = me.maxHeight; // fill all the height - } - - // Are we showing a title for the scale? - if (scaleLabelOpts.display && display) { - var scaleLabelFont = parseFont(scaleLabelOpts); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabelOpts.padding); - var deltaHeight = scaleLabelFont.lineHeight + scaleLabelPadding.height; - - if (isHorizontal) { - minSize.height += deltaHeight; - } else { - minSize.width += deltaHeight; - } - } - - // Don't bother fitting the ticks if we are not showing the labels - if (tickOpts.display && display) { - var largestTextWidth = helpers$1.longestText(me.ctx, tickFont.string, labels, me.longestTextCache); - var tallestLabelHeightInLines = helpers$1.numberOfLabelLines(labels); - var lineSpace = tickFont.size * 0.5; - var tickPadding = me.options.ticks.padding; - - // Store max number of lines and widest label for _autoSkip - me._maxLabelLines = tallestLabelHeightInLines; - me.longestLabelWidth = largestTextWidth; - - if (isHorizontal) { - var angleRadians = helpers$1.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - // TODO - improve this calculation - var labelHeight = (sinRotation * largestTextWidth) - + (tickFont.lineHeight * tallestLabelHeightInLines) - + lineSpace; // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - me.ctx.font = tickFont.string; - var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.string); - var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.string); - var offsetLeft = me.getPixelForTick(0) - me.left; - var offsetRight = me.right - me.getPixelForTick(labels.length - 1); - var paddingLeft, paddingRight; - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (me.labelRotation !== 0) { - paddingLeft = position === 'bottom' ? (cosRotation * firstLabelWidth) : (cosRotation * lineSpace); - paddingRight = position === 'bottom' ? (cosRotation * lineSpace) : (cosRotation * lastLabelWidth); - } else { - paddingLeft = firstLabelWidth / 2; - paddingRight = lastLabelWidth / 2; - } - me.paddingLeft = Math.max(paddingLeft - offsetLeft, 0) + 3; // add 3 px to move away from canvas edges - me.paddingRight = Math.max(paddingRight - offsetRight, 0) + 3; - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - if (tickOpts.mirror) { - largestTextWidth = 0; - } else { - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - largestTextWidth += tickPadding + lineSpace; - } - - minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); - - me.paddingTop = tickFont.size / 2; - me.paddingBottom = tickFont.size / 2; - } - } - - me.handleMargins(); - - me.width = minSize.width; - me.height = minSize.height; - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function() { - var me = this; - if (me.margins) { - me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); - me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); - me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); - me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); - } - }, - - afterFit: function() { - helpers$1.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - isFullWidth: function() { - return (this.options.fullWidth); - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function(rawValue) { - // Null and undefined values first - if (helpers$1.isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) { - return NaN; - } - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers$1.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers$1.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers$1.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function(index) { - var me = this; - var offset = me.options.offset; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var pixel = (tickWidth * index) + me.paddingLeft; - - if (offset) { - pixel += tickWidth / 2; - } - - var finalVal = me.left + pixel; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - var innerHeight = me.height - (me.paddingTop + me.paddingBottom); - return me.top + (index * (innerHeight / (me._ticks.length - 1))); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function(decimal) { - var me = this; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var valueOffset = (innerWidth * decimal) + me.paddingLeft; - - var finalVal = me.left + valueOffset; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - return me.top + (decimal * me.height); - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function() { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function(ticks) { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - var tickCount = ticks.length; - var skipRatio = false; - var maxTicks = optionTicks.maxTicksLimit; - - // Total space needed to display all ticks. First and last ticks are - // drawn as their center at end of axis, so tickCount-1 - var ticksLength = me._tickSize() * (tickCount - 1); - - // Axis length - var axisLength = isHorizontal - ? me.width - (me.paddingLeft + me.paddingRight) - : me.height - (me.paddingTop + me.PaddingBottom); - - var result = []; - var i, tick; - - if (ticksLength > axisLength) { - skipRatio = 1 + Math.floor(ticksLength / axisLength); - } - - // if they defined a max number of optionTicks, - // increase skipRatio until that number is met - if (tickCount > maxTicks) { - skipRatio = Math.max(skipRatio, 1 + Math.floor(tickCount / maxTicks)); - } - - for (i = 0; i < tickCount; i++) { - tick = ticks[i]; - - if (skipRatio > 1 && i % skipRatio > 0) { - // leave tick in place but make sure it's not displayed (#4635) - delete tick.label; - } - result.push(tick); - } - return result; - }, - - /** - * @private - */ - _tickSize: function() { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - - // Calculate space needed by label in axis direction. - var rot = helpers$1.toRadians(me.labelRotation); - var cos = Math.abs(Math.cos(rot)); - var sin = Math.abs(Math.sin(rot)); - - var padding = optionTicks.autoSkipPadding || 0; - var w = (me.longestLabelWidth + padding) || 0; - - var tickFont = helpers$1.options._parseFont(optionTicks); - var h = (me._maxLabelLines * tickFont.lineHeight + padding) || 0; - - // Calculate space needed for 1 tick in axis direction. - return isHorizontal - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - }, - - /** - * @private - */ - _isVisible: function() { - var me = this; - var chart = me.chart; - var display = me.options.display; - var i, ilen, meta; - - if (display !== 'auto') { - return !!display; - } - - // When 'auto', the scale is visible if at least one associated dataset is visible. - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - if (meta.xAxisID === me.id || meta.yAxisID === me.id) { - return true; - } - } - } - - return false; - }, - - /** - * Actually draw the scale on the canvas - * @param {object} chartArea - the area of the chart to draw full grid lines on - */ - draw: function(chartArea) { - var me = this; - var options = me.options; - - if (!me._isVisible()) { - return; - } - - var chart = me.chart; - var context = me.ctx; - var globalDefaults = core_defaults.global; - var defaultFontColor = globalDefaults.defaultFontColor; - var optionTicks = options.ticks.minor; - var optionMajorTicks = options.ticks.major || optionTicks; - var gridLines = options.gridLines; - var scaleLabel = options.scaleLabel; - var position = options.position; - - var isRotated = me.labelRotation !== 0; - var isMirrored = optionTicks.mirror; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var ticks = optionTicks.display && optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); - var tickFontColor = valueOrDefault$9(optionTicks.fontColor, defaultFontColor); - var tickFont = parseFont(optionTicks); - var lineHeight = tickFont.lineHeight; - var majorTickFontColor = valueOrDefault$9(optionMajorTicks.fontColor, defaultFontColor); - var majorTickFont = parseFont(optionMajorTicks); - var tickPadding = optionTicks.padding; - var labelOffset = optionTicks.labelOffset; - - var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; - - var scaleLabelFontColor = valueOrDefault$9(scaleLabel.fontColor, defaultFontColor); - var scaleLabelFont = parseFont(scaleLabel); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding); - var labelRotationRadians = helpers$1.toRadians(me.labelRotation); - - var itemsToDraw = []; - - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var alignPixel = helpers$1._alignPixel; - var borderValue, tickStart, tickEnd; - - if (position === 'top') { - borderValue = alignPixel(chart, me.bottom, axisWidth); - tickStart = me.bottom - tl; - tickEnd = borderValue - axisWidth / 2; - } else if (position === 'bottom') { - borderValue = alignPixel(chart, me.top, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.top + tl; - } else if (position === 'left') { - borderValue = alignPixel(chart, me.right, axisWidth); - tickStart = me.right - tl; - tickEnd = borderValue - axisWidth / 2; - } else { - borderValue = alignPixel(chart, me.left, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.left + tl; - } - - var epsilon = 0.0000001; // 0.0000001 is margin in pixels for Accumulated error. - - helpers$1.each(ticks, function(tick, index) { - // autoskipper skipped this tick (#4635) - if (helpers$1.isNullOrUndef(tick.label)) { - return; - } - - var label = tick.label; - var lineWidth, lineColor, borderDash, borderDashOffset; - if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash || []; - borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0; - } else { - lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, index); - lineColor = valueAtIndexOrDefault(gridLines.color, index); - borderDash = gridLines.borderDash || []; - borderDashOffset = gridLines.borderDashOffset || 0.0; - } - - // Common properties - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY, textOffset, textAlign; - var labelCount = helpers$1.isArray(label) ? label.length : 1; - var lineValue = getPixelForGridLine(me, index, gridLines.offsetGridLines); - - if (isHorizontal) { - var labelYOffset = tl + tickPadding; - - if (lineValue < me.left - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tx2 = x1 = x2 = alignPixel(chart, lineValue, lineWidth); - ty1 = tickStart; - ty2 = tickEnd; - labelX = me.getPixelForTick(index) + labelOffset; // x values for optionTicks (need to consider offsetLabel option) - - if (position === 'top') { - y1 = alignPixel(chart, chartArea.top, axisWidth) + axisWidth / 2; - y2 = chartArea.bottom; - textOffset = ((!isRotated ? 0.5 : 1) - labelCount) * lineHeight; - textAlign = !isRotated ? 'center' : 'left'; - labelY = me.bottom - labelYOffset; - } else { - y1 = chartArea.top; - y2 = alignPixel(chart, chartArea.bottom, axisWidth) - axisWidth / 2; - textOffset = (!isRotated ? 0.5 : 0) * lineHeight; - textAlign = !isRotated ? 'center' : 'right'; - labelY = me.top + labelYOffset; - } - } else { - var labelXOffset = (isMirrored ? 0 : tl) + tickPadding; - - if (lineValue < me.top - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tickStart; - tx2 = tickEnd; - ty1 = ty2 = y1 = y2 = alignPixel(chart, lineValue, lineWidth); - labelY = me.getPixelForTick(index) + labelOffset; - textOffset = (1 - labelCount) * lineHeight / 2; - - if (position === 'left') { - x1 = alignPixel(chart, chartArea.left, axisWidth) + axisWidth / 2; - x2 = chartArea.right; - textAlign = isMirrored ? 'left' : 'right'; - labelX = me.right - labelXOffset; - } else { - x1 = chartArea.left; - x2 = alignPixel(chart, chartArea.right, axisWidth) - axisWidth / 2; - textAlign = isMirrored ? 'right' : 'left'; - labelX = me.left + labelXOffset; - } - } - - itemsToDraw.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - labelX: labelX, - labelY: labelY, - glWidth: lineWidth, - glColor: lineColor, - glBorderDash: borderDash, - glBorderDashOffset: borderDashOffset, - rotation: -1 * labelRotationRadians, - label: label, - major: tick.major, - textOffset: textOffset, - textAlign: textAlign - }); - }); - - // Draw all of the tick labels, tick marks, and grid lines at the correct places - helpers$1.each(itemsToDraw, function(itemToDraw) { - var glWidth = itemToDraw.glWidth; - var glColor = itemToDraw.glColor; - - if (gridLines.display && glWidth && glColor) { - context.save(); - context.lineWidth = glWidth; - context.strokeStyle = glColor; - if (context.setLineDash) { - context.setLineDash(itemToDraw.glBorderDash); - context.lineDashOffset = itemToDraw.glBorderDashOffset; - } - - context.beginPath(); - - if (gridLines.drawTicks) { - context.moveTo(itemToDraw.tx1, itemToDraw.ty1); - context.lineTo(itemToDraw.tx2, itemToDraw.ty2); - } - - if (gridLines.drawOnChartArea) { - context.moveTo(itemToDraw.x1, itemToDraw.y1); - context.lineTo(itemToDraw.x2, itemToDraw.y2); - } - - context.stroke(); - context.restore(); - } - - if (optionTicks.display) { - // Make sure we draw text in the correct color and font - context.save(); - context.translate(itemToDraw.labelX, itemToDraw.labelY); - context.rotate(itemToDraw.rotation); - context.font = itemToDraw.major ? majorTickFont.string : tickFont.string; - context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; - context.textBaseline = 'middle'; - context.textAlign = itemToDraw.textAlign; - - var label = itemToDraw.label; - var y = itemToDraw.textOffset; - if (helpers$1.isArray(label)) { - for (var i = 0; i < label.length; ++i) { - // We just make sure the multiline element is a string here.. - context.fillText('' + label[i], 0, y); - y += lineHeight; - } - } else { - context.fillText(label, 0, y); - } - context.restore(); - } - }); - - if (scaleLabel.display) { - // Draw the scale label - var scaleLabelX; - var scaleLabelY; - var rotation = 0; - var halfLineHeight = scaleLabelFont.lineHeight / 2; - - if (isHorizontal) { - scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width - scaleLabelY = position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + ((me.bottom - me.top) / 2); - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - context.save(); - context.translate(scaleLabelX, scaleLabelY); - context.rotate(rotation); - context.textAlign = 'center'; - context.textBaseline = 'middle'; - context.fillStyle = scaleLabelFontColor; // render in correct colour - context.font = scaleLabelFont.string; - context.fillText(scaleLabel.labelString, 0, 0); - context.restore(); - } - - if (axisWidth) { - // Draw the line at the edge of the axis - var firstLineWidth = axisWidth; - var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, ticks.length - 1, 0); - var x1, x2, y1, y2; - - if (isHorizontal) { - x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2; - x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2; - y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - - context.lineWidth = axisWidth; - context.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0); - context.beginPath(); - context.moveTo(x1, y1); - context.lineTo(x2, y2); - context.stroke(); - } - } -}); - -var defaultConfig = { - position: 'bottom' -}; - -var scale_category = core_scale.extend({ - /** - * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those - * else fall back to data.labels - * @private - */ - getLabels: function() { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; - }, - - determineDataLimits: function() { - var me = this; - var labels = me.getLabels(); - me.minIndex = 0; - me.maxIndex = labels.length - 1; - var findIndex; - - if (me.options.ticks.min !== undefined) { - // user specified min value - findIndex = labels.indexOf(me.options.ticks.min); - me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; - } - - if (me.options.ticks.max !== undefined) { - // user specified max value - findIndex = labels.indexOf(me.options.ticks.max); - me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; - } - - me.min = labels[me.minIndex]; - me.max = labels[me.maxIndex]; - }, - - buildTicks: function() { - var me = this; - var labels = me.getLabels(); - // If we are viewing some subset of labels, slice the original array - me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var chart = me.chart; - - if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) { - return me.getRightValue(chart.data.datasets[datasetIndex].data[index]); - } - - return me.ticks[index - me.minIndex]; - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function(value, index) { - var me = this; - var offset = me.options.offset; - // 1 is added because we need the length but we have the indexes - var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - var valueCategory; - if (value !== undefined && value !== null) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - var labels = me.getLabels(); - value = valueCategory || value; - var idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - } - - if (me.isHorizontal()) { - var valueWidth = me.width / offsetAmt; - var widthOffset = (valueWidth * (index - me.minIndex)); - - if (offset) { - widthOffset += (valueWidth / 2); - } - - return me.left + widthOffset; - } - var valueHeight = me.height / offsetAmt; - var heightOffset = (valueHeight * (index - me.minIndex)); - - if (offset) { - heightOffset += (valueHeight / 2); - } - - return me.top + heightOffset; - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); - }, - - getValueForPixel: function(pixel) { - var me = this; - var offset = me.options.offset; - var value; - var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var horz = me.isHorizontal(); - var valueDimension = (horz ? me.width : me.height) / offsetAmt; - - pixel -= horz ? me.left : me.top; - - if (offset) { - pixel -= (valueDimension / 2); - } - - if (pixel <= 0) { - value = 0; - } else { - value = Math.round(pixel / valueDimension); - } - - return value + me.minIndex; - }, - - getBasePixel: function() { - return this.bottom; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults = defaultConfig; -scale_category._defaults = _defaults; - -var noop = helpers$1.noop; -var isNullOrUndef = helpers$1.isNullOrUndef; - -/** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var MIN_SPACING = 1e-14; - var stepSize = generationOptions.stepSize; - var unit = stepSize || 1; - var maxNumSpaces = generationOptions.maxTicks - 1; - var min = generationOptions.min; - var max = generationOptions.max; - var precision = generationOptions.precision; - var rmin = dataRange.min; - var rmax = dataRange.max; - var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit; - var factor, niceMin, niceMax, numSpaces; - - // Beyond MIN_SPACING floating point numbers being to lose precision - // such that we can't do the math necessary to generate ticks - if (spacing < MIN_SPACING && isNullOrUndef(min) && isNullOrUndef(max)) { - return [rmin, rmax]; - } - - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxNumSpaces) { - // If the calculated num of spaces exceeds maxNumSpaces, recalculate it - spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit; - } - - if (stepSize || isNullOrUndef(precision)) { - // If a precision is not specified, calculate factor based on spacing - factor = Math.pow(10, helpers$1._decimalPlaces(spacing)); - } else { - // If the user specified a precision, round to that number of decimal places - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (stepSize) { - // If very close to our whole number, use it. - if (!isNullOrUndef(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) { - niceMin = min; - } - if (!isNullOrUndef(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) { - niceMax = max; - } - } - - numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - ticks.push(isNullOrUndef(min) ? niceMin : min); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * factor) / factor); - } - ticks.push(isNullOrUndef(max) ? niceMax : max); - - return ticks; -} - -var scale_linearbase = core_scale.extend({ - getRightValue: function(value) { - if (typeof value === 'string') { - return +value; - } - return core_scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers$1.sign(me.min); - var maxSign = helpers$1.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - - getTickLimit: function() { - var me = this; - var tickOpts = me.options.ticks; - var stepSize = tickOpts.stepSize; - var maxTicksLimit = tickOpts.maxTicksLimit; - var maxTicks; - - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me._computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - - return maxTicks; - }, - - _computeTickLimit: function() { - return Number.POSITIVE_INFINITY; - }, - - handleDirectionalChanges: noop, - - buildTicks: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 40 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - precision: tickOpts.precision, - stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - - convertTicksToLabels: function() { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - core_scale.prototype.convertTicksToLabels.call(me); - } -}); - -var defaultConfig$1 = { - position: 'left', - ticks: { - callback: core_ticks.formatters.linear - } -}; - -var scale_linear = scale_linearbase.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // First Calculate the range - me.min = null; - me.max = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = { - positiveValues: [], - negativeValues: [] - }; - } - - // Store these per type - var positiveValues = valuesPerStack[key].positiveValues; - var negativeValues = valuesPerStack[key].negativeValues; - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - positiveValues[index] = positiveValues[index] || 0; - negativeValues[index] = negativeValues[index] || 0; - - if (opts.relativePoints) { - positiveValues[index] = 100; - } else if (value < 0) { - negativeValues[index] += value; - } else { - positiveValues[index] += value; - } - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); - var minVal = helpers$1.min(values); - var maxVal = helpers$1.max(values); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - }); - } - }); - } - - me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - this.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - var me = this; - var tickFont; - - if (me.isHorizontal()) { - return Math.ceil(me.width / 40); - } - tickFont = helpers$1.options._parseFont(me.options.ticks); - return Math.ceil(me.height / tickFont.lineHeight); - }, - - // Called after the ticks are built. We need - handleDirectionalChanges: function() { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - // Utils - getPixelForValue: function(value) { - // This must be called after fit has been run so that - // this.left, this.top, this.right, and this.bottom have been defined - var me = this; - var start = me.start; - - var rightValue = +me.getRightValue(value); - var pixel; - var range = me.end - start; - - if (me.isHorizontal()) { - pixel = me.left + (me.width / range * (rightValue - start)); - } else { - pixel = me.bottom - (me.height / range * (rightValue - start)); - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var isHorizontal = me.isHorizontal(); - var innerDimension = isHorizontal ? me.width : me.height; - var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; - return me.start + ((me.end - me.start) * offset); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticksAsNumbers[index]); - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$1 = defaultConfig$1; -scale_linear._defaults = _defaults$1; - -var valueOrDefault$a = helpers$1.valueOrDefault; - -/** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks$1(generationOptions, dataRange) { - var ticks = []; - - var tickVal = valueOrDefault$a(generationOptions.min, Math.pow(10, Math.floor(helpers$1.log10(dataRange.min)))); - - var endExp = Math.floor(helpers$1.log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(helpers$1.log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(helpers$1.log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault$a(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; -} - -var defaultConfig$2 = { - position: 'left', - - // label settings - ticks: { - callback: core_ticks.formatters.logarithmic - } -}; - -// TODO(v3): change this to positiveOrDefault -function nonNegativeOrDefault(value, defaultValue) { - return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue; -} - -var scale_logarithmic = core_scale.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // Calculate Range - me.min = null; - me.max = null; - me.minNotZero = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - helpers$1.each(dataset.data, function(rawValue, index) { - var values = valuesPerStack[key]; - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - values[index] = values[index] || 0; - values[index] += value; - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers$1.min(valuesForType); - var maxVal = helpers$1.max(valuesForType); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - } - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - - if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { - me.minNotZero = value; - } - }); - } - }); - } - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - - handleTickRangeOptions: function() { - var me = this; - var tickOpts = me.options.ticks; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = nonNegativeOrDefault(tickOpts.min, me.min); - me.max = nonNegativeOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(helpers$1.log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(helpers$1.log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(helpers$1.log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - - buildTicks: function() { - var me = this; - var tickOpts = me.options.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: nonNegativeOrDefault(tickOpts.min), - max: nonNegativeOrDefault(tickOpts.max) - }; - var ticks = me.ticks = generateTicks$1(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - - convertTicksToLabels: function() { - this.tickValues = this.ticks.slice(); - - core_scale.prototype.convertTicksToLabels.call(this); - }, - - // Get the correct tooltip label - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.tickValues[index]); - }, - - /** - * Returns the value of the first tick. - * @param {number} value - The minimum not zero value. - * @return {number} The first tick value. - * @private - */ - _getFirstTickValue: function(value) { - var exp = Math.floor(helpers$1.log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - - getPixelForValue: function(value) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var offset = 0; - var innerDimension, pixel, start, end, sign; - - value = +me.getRightValue(value); - if (reverse) { - start = me.end; - end = me.start; - sign = -1; - } else { - start = me.start; - end = me.end; - sign = 1; - } - if (me.isHorizontal()) { - innerDimension = me.width; - pixel = reverse ? me.right : me.left; - } else { - innerDimension = me.height; - sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) - pixel = reverse ? me.top : me.bottom; - } - if (value !== start) { - if (start === 0) { // include zero tick - offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - innerDimension -= offset; - start = firstTickValue; - } - if (value !== 0) { - offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); - } - pixel += sign * offset; - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var innerDimension, start, end, value; - - if (reverse) { - start = me.end; - end = me.start; - } else { - start = me.start; - end = me.end; - } - if (me.isHorizontal()) { - innerDimension = me.width; - value = reverse ? me.right - pixel : pixel - me.left; - } else { - innerDimension = me.height; - value = reverse ? pixel - me.top : me.bottom - pixel; - } - if (value !== start) { - if (start === 0) { // include zero tick - var offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - value -= offset; - innerDimension -= offset; - start = firstTickValue; - } - value *= log10(end) - log10(start); - value /= innerDimension; - value = Math.pow(10, log10(start) + value); - } - return value; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$2 = defaultConfig$2; -scale_logarithmic._defaults = _defaults$2; - -var valueOrDefault$b = helpers$1.valueOrDefault; -var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault; -var resolve$7 = helpers$1.options.resolve; - -var defaultConfig$3 = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: core_ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function(label) { - return label; - } - } -}; - -function getValueCount(scale) { - var opts = scale.options; - return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; -} - -function getTickBackdropHeight(opts) { - var tickOpts = opts.ticks; - - if (tickOpts.display && opts.display) { - return valueOrDefault$b(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2; - } - return 0; -} - -function measureLabelSize(ctx, lineHeight, label) { - if (helpers$1.isArray(label)) { - return { - w: helpers$1.longestText(ctx, ctx.font, label), - h: label.length * lineHeight - }; - } - - return { - w: ctx.measureText(label).width, - h: lineHeight - }; -} - -function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - - return { - start: pos, - end: pos + size - }; -} - -/** - * Helper function to fit a radial linear scale with point labels - */ -function fitWithPointLabels(scale) { - - // Right, this is really confusing and there is a lot of maths going on here - // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - // - // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - // - // Solution: - // - // We assume the radius of the polygon is half the size of the canvas at first - // at each index we check if the text overlaps. - // - // Where it does, we store that angle and that index. - // - // After finding the largest index and angle we calculate how much we need to remove - // from the shape radius to move the point inwards by that x. - // - // We average the left and right distances to get the maximum shape radius that can fit in the box - // along with labels. - // - // Once we have that, we can find the centre point for the chart, by taking the x text protrusion - // on each side, removing that from the size, halving it and adding the left x protrusion width. - // - // This will mean we have a shape fitted to the canvas, as large as it can be with the labels - // and position it in the most space efficient manner - // - // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - - var plFont = helpers$1.options._parseFont(scale.options.pointLabels); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.string; - scale._pointLabelSizes = []; - - var valueCount = getValueCount(scale); - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, scale.drawingArea + 5); - textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i] || ''); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles); -} - -function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; -} - -function fillText(ctx, text, position, lineHeight) { - var y = position.y + lineHeight / 2; - var i, ilen; - - if (helpers$1.isArray(text)) { - for (i = 0, ilen = text.length; i < ilen; ++i) { - ctx.fillText(text[i], position.x, y); - y += lineHeight; - } - } else { - ctx.fillText(text, position.x, y); - } -} - -function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } -} - -function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var angleLineOpts = opts.angleLines; - var gridLineOpts = opts.gridLines; - var pointLabelOpts = opts.pointLabels; - var lineWidth = valueOrDefault$b(angleLineOpts.lineWidth, gridLineOpts.lineWidth); - var lineColor = valueOrDefault$b(angleLineOpts.color, gridLineOpts.color); - var tickBackdropHeight = getTickBackdropHeight(opts); - - ctx.save(); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = lineColor; - if (ctx.setLineDash) { - ctx.setLineDash(resolve$7([angleLineOpts.borderDash, gridLineOpts.borderDash, []])); - ctx.lineDashOffset = resolve$7([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]); - } - - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - - // Point Label Font - var plFont = helpers$1.options._parseFont(pointLabelOpts); - - ctx.font = plFont.string; - ctx.textBaseline = 'middle'; - - for (var i = getValueCount(scale) - 1; i >= 0; i--) { - if (angleLineOpts.display && lineWidth && lineColor) { - var outerPosition = scale.getPointPosition(i, outerDistance); - ctx.beginPath(); - ctx.moveTo(scale.xCenter, scale.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - } - - if (pointLabelOpts.display) { - // Extra pixels out for some label spacing - var extra = (i === 0 ? tickBackdropHeight / 2 : 0); - var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor); - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.lineHeight); - } - } - ctx.restore(); -} - -function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - var circular = gridLineOpts.circular; - var valueCount = getValueCount(scale); - var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1); - var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1); - var pointPosition; - - if ((!circular && !valueCount) || !lineColor || !lineWidth) { - return; - } - - ctx.save(); - ctx.strokeStyle = lineColor; - ctx.lineWidth = lineWidth; - if (ctx.setLineDash) { - ctx.setLineDash(gridLineOpts.borderDash || []); - ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0; - } - - ctx.beginPath(); - if (circular) { - // Draw circular arcs between the points - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - } else { - // Draw straight lines connecting each index - pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } - ctx.closePath(); - ctx.stroke(); - ctx.restore(); -} - -function numberOrZero(param) { - return helpers$1.isNumber(param) ? param : 0; -} - -var scale_radialLinear = scale_linearbase.extend({ - setDimensions: function() { - var me = this; - - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - }, - - convertTicksToLabels: function() { - var me = this; - - scale_linearbase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - fit: function() { - var me = this; - var opts = me.options; - - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - }, - - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - - setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - }, - - getIndexAngle: function(index) { - var angleMultiplier = (Math.PI * 2) / getValueCount(this); - var startAngle = this.chart.options && this.chart.options.startAngle ? - this.chart.options.startAngle : - 0; - - var startAngleRadians = startAngle * Math.PI * 2 / 360; - - // Start from the top instead of right, so remove a quarter of the circle - return index * angleMultiplier + startAngleRadians; - }, - - getDistanceFromCenterForValue: function(value) { - var me = this; - - if (value === null) { - return 0; // null always in center - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - - getPointPosition: function(index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter, - y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter - }; - }, - - getPointPositionForValue: function(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - draw: function() { - var me = this; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var tickOpts = opts.ticks; - - if (opts.display) { - var ctx = me.ctx; - var startAngle = this.getIndexAngle(0); - var tickFont = helpers$1.options._parseFont(tickOpts); - - if (opts.angleLines.display || opts.pointLabels.display) { - drawPointLabels(me); - } - - helpers$1.each(me.ticks, function(label, index) { - // Don't draw a centre value (if it is minimum) - if (index > 0 || tickOpts.reverse) { - var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - // Draw circular lines around the scale - if (gridLineOpts.display && index !== 0) { - drawRadiusLine(me, gridLineOpts, yCenterOffset, index); - } - - if (tickOpts.display) { - var tickFontColor = valueOrDefault$b(tickOpts.fontColor, core_defaults.global.defaultFontColor); - ctx.font = tickFont.string; - - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - - if (tickOpts.showLabelBackdrop) { - var labelWidth = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - ctx.fillRect( - -labelWidth / 2 - tickOpts.backdropPaddingX, - -yCenterOffset - tickFont.size / 2 - tickOpts.backdropPaddingY, - labelWidth + tickOpts.backdropPaddingX * 2, - tickFont.size + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -yCenterOffset); - ctx.restore(); - } - } - }); - } - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$3 = defaultConfig$3; -scale_radialLinear._defaults = _defaults$3; - -var valueOrDefault$c = helpers$1.valueOrDefault; - -// Integer constants are from the ES6 spec. -var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; -var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - -var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] - }, - second: { - common: true, - size: 1000, - steps: [1, 2, 5, 10, 15, 30] - }, - minute: { - common: true, - size: 60000, - steps: [1, 2, 5, 10, 15, 30] - }, - hour: { - common: true, - size: 3600000, - steps: [1, 2, 3, 6, 12] - }, - day: { - common: true, - size: 86400000, - steps: [1, 2, 5] - }, - week: { - common: false, - size: 604800000, - steps: [1, 2, 3, 4] - }, - month: { - common: true, - size: 2.628e9, - steps: [1, 2, 3] - }, - quarter: { - common: false, - size: 7.884e9, - steps: [1, 2, 3, 4] - }, - year: { - common: true, - size: 3.154e10 - } -}; - -var UNITS = Object.keys(INTERVALS); - -function sorter(a, b) { - return a - b; -} - -function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; -} - -/** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {number[]} timestamps - timestamps sorted from lowest to highest. - * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ -function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } - } - - return table; -} - -// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ -function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return {lo: null, hi: i1}; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return {lo: i0, hi: i1}; - } - } - - // given value is outside table (after last item) - return {lo: i1, hi: null}; -} - -/** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ -function interpolate$1(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; -} - -function toTimestamp(scale, input) { - var adapter = scale._adapter; - var options = scale.options.time; - var parser = options.parser; - var format = parser || options.format; - var value = input; - - if (typeof parser === 'function') { - value = parser(value); - } - - // Only parse if its not a timestamp already - if (!helpers$1.isFinite(value)) { - value = typeof format === 'string' - ? adapter.parse(value, format) - : adapter.parse(value); - } - - if (value !== null) { - return +value; - } - - // Labels are in an incompatible format and no `parser` has been provided. - // The user might still use the deprecated `format` option for parsing. - if (!parser && typeof format === 'function') { - value = format(input); - - // `format` could return something else than a timestamp, if so, parse it - if (!helpers$1.isFinite(value)) { - value = adapter.parse(value); - } - } - - return value; -} - -function parse(scale, input) { - if (helpers$1.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = toTimestamp(scale, scale.getRightValue(input)); - if (value === null) { - return value; - } - - if (options.round) { - value = +scale._adapter.startOf(value, options.round); - } - - return value; -} - -/** - * Returns the number of unit to skip to be able to display up to `capacity` number of ticks - * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. - */ -function determineStepSize(min, max, unit, capacity) { - var range = max - min; - var interval = INTERVALS[unit]; - var milliseconds = interval.size; - var steps = interval.steps; - var i, ilen, factor; - - if (!steps) { - return Math.ceil(range / (capacity * milliseconds)); - } - - for (i = 0, ilen = steps.length; i < ilen; ++i) { - factor = steps[i]; - if (Math.ceil(range / (milliseconds * factor)) <= capacity) { - break; - } - } - - return factor; -} - -/** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; -} - -/** - * Figures out what unit to format a set of ticks with - */ -function determineUnitForFormatting(scale, ticks, minUnit, min, max) { - var ilen = UNITS.length; - var i, unit; - - for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= ticks.length) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} - -function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } -} - -/** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit, aligned on the `major` unit and using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ -function generate(scale, min, max, capacity) { - var adapter = scale._adapter; - var options = scale.options; - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var major = determineMajorUnit(minor); - var stepSize = valueOrDefault$c(timeOpts.stepSize, timeOpts.unitStepSize); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var majorTicksEnabled = options.ticks.major.enabled; - var interval = INTERVALS[minor]; - var first = min; - var last = max; - var ticks = []; - var time; - - if (!stepSize) { - stepSize = determineStepSize(min, max, minor, capacity); - } - - // For 'week' unit, handle the first day of week option - if (weekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - last = +adapter.startOf(last, 'isoWeek', weekday); - } - - // Align first/last ticks on unit - first = +adapter.startOf(first, weekday ? 'day' : minor); - last = +adapter.startOf(last, weekday ? 'day' : minor); - - // Make sure that the last tick include max - if (last < max) { - last = +adapter.add(last, 1, minor); - } - - time = first; - - if (majorTicksEnabled && major && !weekday && !timeOpts.round) { - // Align the first tick on the previous `minor` unit aligned on the `major` unit: - // we first aligned time on the previous `major` unit then add the number of full - // stepSize there is between first and the previous major time. - time = +adapter.startOf(time, major); - time = +adapter.add(time, ~~((first - time) / (interval.size * stepSize)) * stepSize, minor); - } - - for (; time < last; time = +adapter.add(time, stepSize, minor)) { - ticks.push(+time); - } - - ticks.push(+time); - - return ticks; -} - -/** - * Returns the start and end offsets from edges in the form of {start, end} - * where each value is a relative width to the scale and ranges between 0 and 1. - * They add extra margins on the both sides by scaling down the original scale. - * Offsets are added when the `offset` option is true. - */ -function computeOffsets(table, ticks, min, max, options) { - var start = 0; - var end = 0; - var first, last; - - if (options.offset && ticks.length) { - if (!options.time.min) { - first = interpolate$1(table, 'time', ticks[0], 'pos'); - if (ticks.length === 1) { - start = 1 - first; - } else { - start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2; - } - } - if (!options.time.max) { - last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos'); - if (ticks.length === 1) { - end = last; - } else { - end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2; - } - } - } - - return {start: start, end: end}; -} - -function ticksFromTimestamps(scale, values, majorUnit) { - var ticks = []; - var i, ilen, value, major; - - for (i = 0, ilen = values.length; i < ilen; ++i) { - value = values[i]; - major = majorUnit ? value === +scale._adapter.startOf(value, majorUnit) : false; - - ticks.push({ - value: value, - major: major - }); - } - - return ticks; -} - -var defaultConfig$4 = { - position: 'bottom', - - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', - - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', - - adapters: {}, - time: { - parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from https://momentjs.com/docs/#/parsing/string-format/ - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - autoSkip: false, - - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', - - major: { - enabled: false - } - } -}; - -var scale_time = core_scale.extend({ - initialize: function() { - this.mergeTicksOptions(); - core_scale.prototype.initialize.call(this); - }, - - update: function() { - var me = this; - var options = me.options; - var time = options.time || (options.time = {}); - var adapter = me._adapter = new core_adapters._date(options.adapters.date); - - // DEPRECATIONS: output a message only one time per update - if (time.format) { - console.warn('options.time.format is deprecated and replaced by options.time.parser.'); - } - - // Backward compatibility: before introducing adapter, `displayFormats` was - // supposed to contain *all* unit/string pairs but this can't be resolved - // when loading the scale (adapters are loaded afterward), so let's populate - // missing formats on update - helpers$1.mergeIf(time.displayFormats, adapter.formats()); - - return core_scale.prototype.update.apply(me, arguments); - }, - - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function(rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return core_scale.prototype.getRightValue.call(this, rawValue); - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var adapter = me._adapter; - var timeOpts = me.options.time; - var unit = timeOpts.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp; - var dataLabels = chart.data.labels || []; - - // Convert labels to timestamps - for (i = 0, ilen = dataLabels.length; i < ilen; ++i) { - labels.push(parse(me, dataLabels[i])); - } - - // Convert data to timestamps - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers$1.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(me, data[j]); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - for (j = 0, jlen = labels.length; j < jlen; ++j) { - timestamps.push(labels[j]); - } - datasets[i] = labels.slice(0); - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - // Sort labels **after** data have been converted - labels = arrayUnique(labels).sort(sorter); - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = arrayUnique(timestamps).sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min; - max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._horizontal = me.isHorizontal(); - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function() { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var timeOpts = options.time; - var timestamps = []; - var ticks = []; - var i, ilen, timestamp; - - switch (options.ticks.source) { - case 'data': - timestamps = me._timestamps.data; - break; - case 'labels': - timestamps = me._timestamps.labels; - break; - case 'auto': - default: - timestamps = generate(me, min, max, me.getLabelCapacity(min), options); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - me._unit = timeOpts.unit || determineUnitForFormatting(me, ticks, timeOpts.minUnit, me.min, me.max); - me._majorUnit = determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - - if (options.ticks.reverse) { - ticks.reverse(); - } - - return ticksFromTimestamps(me, ticks, me._majorUnit); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var adapter = me._adapter; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers$1.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function(time, index, ticks, format) { - var me = this; - var adapter = me._adapter; - var options = me.options; - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var majorTime = +adapter.startOf(time, majorUnit); - var majorTickOpts = options.ticks.major; - var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; - var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat); - var tickOpts = major ? majorTickOpts : options.ticks.minor; - var formatter = valueOrDefault$c(tickOpts.callback, tickOpts.userCallback); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(ticks[i].value, i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function(time) { - var me = this; - var isReverse = me.options.ticks.reverse; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? isReverse ? me.right : me.left : isReverse ? me.bottom : me.top; - var pos = interpolate$1(me._table, 'time', time, 'pos'); - var offset = size * (me._offsets.start + pos) / (me._offsets.start + 1 + me._offsets.end); - - return isReverse ? start - offset : start + offset; - }, - - getPixelForValue: function(value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(me, value); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function(index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function(pixel) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = (size ? (pixel - start) / size : 0) * (me._offsets.start + 1 + me._offsets.start) - me._offsets.end; - var time = interpolate$1(me._table, 'pos', pos, 'time'); - - // DEPRECATION, we should return time directly - return me._adapter._create(time); - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function(label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers$1.toRadians(ticksOpts.maxRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = valueOrDefault$c(ticksOpts.fontSize, core_defaults.global.defaultFontSize); - - return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); - }, - - /** - * @private - */ - getLabelCapacity: function(exampleTime) { - var me = this; - - // pick the longest format (milliseconds) for guestimation - var format = me.options.time.displayFormats.millisecond; - var exampleLabel = me.tickFormatFunction(exampleTime, 0, [], format); - var tickLabelWidth = me.getLabelWidth(exampleLabel); - var innerWidth = me.isHorizontal() ? me.width : me.height; - var capacity = Math.floor(innerWidth / tickLabelWidth); - - return capacity > 0 ? capacity : 1; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$4 = defaultConfig$4; -scale_time._defaults = _defaults$4; - -var scales = { - category: scale_category, - linear: scale_linear, - logarithmic: scale_logarithmic, - radialLinear: scale_radialLinear, - time: scale_time -}; - -var moment = createCommonjsModule(function (module, exports) { -(function (global, factory) { - module.exports = factory(); -}(commonjsGlobal, (function () { - var hookCallback; - - function hooks () { - return hookCallback.apply(null, arguments); - } - - // This is done to register the method called with moment() - // without creating circular dependencies. - function setHookCallback (callback) { - hookCallback = callback; - } - - function isArray(input) { - return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; - } - - function isObject(input) { - // IE8 will treat undefined and null as object if it wasn't for - // input != null - return input != null && Object.prototype.toString.call(input) === '[object Object]'; - } - - function isObjectEmpty(obj) { - if (Object.getOwnPropertyNames) { - return (Object.getOwnPropertyNames(obj).length === 0); - } else { - var k; - for (k in obj) { - if (obj.hasOwnProperty(k)) { - return false; - } - } - return true; - } - } - - function isUndefined(input) { - return input === void 0; - } - - function isNumber(input) { - return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; - } - - function isDate(input) { - return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; - } - - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; - } - - function hasOwnProp(a, b) { - return Object.prototype.hasOwnProperty.call(a, b); - } - - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } - - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } - - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } - - return a; - } - - function createUTC (input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, true).utc(); - } - - function defaultParsingFlags() { - // We need to deep clone this object. - return { - empty : false, - unusedTokens : [], - unusedInput : [], - overflow : -2, - charsLeftOver : 0, - nullInput : false, - invalidMonth : null, - invalidFormat : false, - userInvalidated : false, - iso : false, - parsedDateParts : [], - meridiem : null, - rfc2822 : false, - weekdayMismatch : false - }; - } - - function getParsingFlags(m) { - if (m._pf == null) { - m._pf = defaultParsingFlags(); - } - return m._pf; - } - - var some; - if (Array.prototype.some) { - some = Array.prototype.some; - } else { - some = function (fun) { - var t = Object(this); - var len = t.length >>> 0; - - for (var i = 0; i < len; i++) { - if (i in t && fun.call(this, t[i], i, t)) { - return true; - } - } - - return false; - }; - } - - function isValid(m) { - if (m._isValid == null) { - var flags = getParsingFlags(m); - var parsedParts = some.call(flags.parsedDateParts, function (i) { - return i != null; - }); - var isNowValid = !isNaN(m._d.getTime()) && - flags.overflow < 0 && - !flags.empty && - !flags.invalidMonth && - !flags.invalidWeekday && - !flags.weekdayMismatch && - !flags.nullInput && - !flags.invalidFormat && - !flags.userInvalidated && - (!flags.meridiem || (flags.meridiem && parsedParts)); - - if (m._strict) { - isNowValid = isNowValid && - flags.charsLeftOver === 0 && - flags.unusedTokens.length === 0 && - flags.bigHour === undefined; - } - - if (Object.isFrozen == null || !Object.isFrozen(m)) { - m._isValid = isNowValid; - } - else { - return isNowValid; - } - } - return m._isValid; - } - - function createInvalid (flags) { - var m = createUTC(NaN); - if (flags != null) { - extend(getParsingFlags(m), flags); - } - else { - getParsingFlags(m).userInvalidated = true; - } - - return m; - } - - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - var momentProperties = hooks.momentProperties = []; - - function copyConfig(to, from) { - var i, prop, val; - - if (!isUndefined(from._isAMomentObject)) { - to._isAMomentObject = from._isAMomentObject; - } - if (!isUndefined(from._i)) { - to._i = from._i; - } - if (!isUndefined(from._f)) { - to._f = from._f; - } - if (!isUndefined(from._l)) { - to._l = from._l; - } - if (!isUndefined(from._strict)) { - to._strict = from._strict; - } - if (!isUndefined(from._tzm)) { - to._tzm = from._tzm; - } - if (!isUndefined(from._isUTC)) { - to._isUTC = from._isUTC; - } - if (!isUndefined(from._offset)) { - to._offset = from._offset; - } - if (!isUndefined(from._pf)) { - to._pf = getParsingFlags(from); - } - if (!isUndefined(from._locale)) { - to._locale = from._locale; - } - - if (momentProperties.length > 0) { - for (i = 0; i < momentProperties.length; i++) { - prop = momentProperties[i]; - val = from[prop]; - if (!isUndefined(val)) { - to[prop] = val; - } - } - } - - return to; - } - - var updateInProgress = false; - - // Moment prototype object - function Moment(config) { - copyConfig(this, config); - this._d = new Date(config._d != null ? config._d.getTime() : NaN); - if (!this.isValid()) { - this._d = new Date(NaN); - } - // Prevent infinite loop in case updateOffset creates new moment - // objects. - if (updateInProgress === false) { - updateInProgress = true; - hooks.updateOffset(this); - updateInProgress = false; - } - } - - function isMoment (obj) { - return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); - } - - function absFloor (number) { - if (number < 0) { - // -0 -> 0 - return Math.ceil(number) || 0; - } else { - return Math.floor(number); - } - } - - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; - - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - value = absFloor(coercedNumber); - } - - return value; - } - - // compare two arrays, return the number of differences - function compareArrays(array1, array2, dontConvert) { - var len = Math.min(array1.length, array2.length), - lengthDiff = Math.abs(array1.length - array2.length), - diffs = 0, - i; - for (i = 0; i < len; i++) { - if ((dontConvert && array1[i] !== array2[i]) || - (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { - diffs++; - } - } - return diffs + lengthDiff; - } - - function warn(msg) { - if (hooks.suppressDeprecationWarnings === false && - (typeof console !== 'undefined') && console.warn) { - console.warn('Deprecation warning: ' + msg); - } - } - - function deprecate(msg, fn) { - var firstTime = true; - - return extend(function () { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(null, msg); - } - if (firstTime) { - var args = []; - var arg; - for (var i = 0; i < arguments.length; i++) { - arg = ''; - if (typeof arguments[i] === 'object') { - arg += '\n[' + i + '] '; - for (var key in arguments[0]) { - arg += key + ': ' + arguments[0][key] + ', '; - } - arg = arg.slice(0, -2); // Remove trailing comma and space - } else { - arg = arguments[i]; - } - args.push(arg); - } - warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } - - var deprecations = {}; - - function deprecateSimple(name, msg) { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(name, msg); - } - if (!deprecations[name]) { - warn(msg); - deprecations[name] = true; - } - } - - hooks.suppressDeprecationWarnings = false; - hooks.deprecationHandler = null; - - function isFunction(input) { - return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; - } - - function set (config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (isFunction(prop)) { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - this._config = config; - // Lenient ordinal parsing accepts just a number in addition to - // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. - // TODO: Remove "ordinalParse" fallback in next major release. - this._dayOfMonthOrdinalParseLenient = new RegExp( - (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + - '|' + (/\d{1,2}/).source); - } - - function mergeConfigs(parentConfig, childConfig) { - var res = extend({}, parentConfig), prop; - for (prop in childConfig) { - if (hasOwnProp(childConfig, prop)) { - if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { - res[prop] = {}; - extend(res[prop], parentConfig[prop]); - extend(res[prop], childConfig[prop]); - } else if (childConfig[prop] != null) { - res[prop] = childConfig[prop]; - } else { - delete res[prop]; - } - } - } - for (prop in parentConfig) { - if (hasOwnProp(parentConfig, prop) && - !hasOwnProp(childConfig, prop) && - isObject(parentConfig[prop])) { - // make sure changes to properties don't modify parent config - res[prop] = extend({}, res[prop]); - } - } - return res; - } - - function Locale(config) { - if (config != null) { - this.set(config); - } - } - - var keys; - - if (Object.keys) { - keys = Object.keys; - } else { - keys = function (obj) { - var i, res = []; - for (i in obj) { - if (hasOwnProp(obj, i)) { - res.push(i); - } - } - return res; - }; - } - - var defaultCalendar = { - sameDay : '[Today at] LT', - nextDay : '[Tomorrow at] LT', - nextWeek : 'dddd [at] LT', - lastDay : '[Yesterday at] LT', - lastWeek : '[Last] dddd [at] LT', - sameElse : 'L' - }; - - function calendar (key, mom, now) { - var output = this._calendar[key] || this._calendar['sameElse']; - return isFunction(output) ? output.call(mom, now) : output; - } - - var defaultLongDateFormat = { - LTS : 'h:mm:ss A', - LT : 'h:mm A', - L : 'MM/DD/YYYY', - LL : 'MMMM D, YYYY', - LLL : 'MMMM D, YYYY h:mm A', - LLLL : 'dddd, MMMM D, YYYY h:mm A' - }; - - function longDateFormat (key) { - var format = this._longDateFormat[key], - formatUpper = this._longDateFormat[key.toUpperCase()]; - - if (format || !formatUpper) { - return format; - } - - this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { - return val.slice(1); - }); - - return this._longDateFormat[key]; - } - - var defaultInvalidDate = 'Invalid date'; - - function invalidDate () { - return this._invalidDate; - } - - var defaultOrdinal = '%d'; - var defaultDayOfMonthOrdinalParse = /\d{1,2}/; - - function ordinal (number) { - return this._ordinal.replace('%d', number); - } - - var defaultRelativeTime = { - future : 'in %s', - past : '%s ago', - s : 'a few seconds', - ss : '%d seconds', - m : 'a minute', - mm : '%d minutes', - h : 'an hour', - hh : '%d hours', - d : 'a day', - dd : '%d days', - M : 'a month', - MM : '%d months', - y : 'a year', - yy : '%d years' - }; - - function relativeTime (number, withoutSuffix, string, isFuture) { - var output = this._relativeTime[string]; - return (isFunction(output)) ? - output(number, withoutSuffix, string, isFuture) : - output.replace(/%d/i, number); - } - - function pastFuture (diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return isFunction(format) ? format(output) : format.replace(/%s/i, output); - } - - var aliases = {}; - - function addUnitAlias (unit, shorthand) { - var lowerCase = unit.toLowerCase(); - aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; - } - - function normalizeUnits(units) { - return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; - } - - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; - - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } - - return normalizedInput; - } - - var priorities = {}; - - function addUnitPriority(unit, priority) { - priorities[unit] = priority; - } - - function getPrioritizedUnits(unitsObj) { - var units = []; - for (var u in unitsObj) { - units.push({unit: u, priority: priorities[u]}); - } - units.sort(function (a, b) { - return a.priority - b.priority; - }); - return units; - } - - function zeroFill(number, targetLength, forceSign) { - var absNumber = '' + Math.abs(number), - zerosToFill = targetLength - absNumber.length, - sign = number >= 0; - return (sign ? (forceSign ? '+' : '') : '-') + - Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; - } - - var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; - - var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; - - var formatFunctions = {}; - - var formatTokenFunctions = {}; - - // token: 'M' - // padded: ['MM', 2] - // ordinal: 'Mo' - // callback: function () { this.month() + 1 } - function addFormatToken (token, padded, ordinal, callback) { - var func = callback; - if (typeof callback === 'string') { - func = function () { - return this[callback](); - }; - } - if (token) { - formatTokenFunctions[token] = func; - } - if (padded) { - formatTokenFunctions[padded[0]] = function () { - return zeroFill(func.apply(this, arguments), padded[1], padded[2]); - }; - } - if (ordinal) { - formatTokenFunctions[ordinal] = function () { - return this.localeData().ordinal(func.apply(this, arguments), token); - }; - } - } - - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); - } - - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; - - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } - - return function (mom) { - var output = '', i; - for (i = 0; i < length; i++) { - output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; - } - return output; - }; - } - - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } - - format = expandFormat(format, m.localeData()); - formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); - - return formatFunctions[format](m); - } - - function expandFormat(format, locale) { - var i = 5; - - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } - - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } - - return format; - } - - var match1 = /\d/; // 0 - 9 - var match2 = /\d\d/; // 00 - 99 - var match3 = /\d{3}/; // 000 - 999 - var match4 = /\d{4}/; // 0000 - 9999 - var match6 = /[+-]?\d{6}/; // -999999 - 999999 - var match1to2 = /\d\d?/; // 0 - 99 - var match3to4 = /\d\d\d\d?/; // 999 - 9999 - var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 - var match1to3 = /\d{1,3}/; // 0 - 999 - var match1to4 = /\d{1,4}/; // 0 - 9999 - var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 - - var matchUnsigned = /\d+/; // 0 - inf - var matchSigned = /[+-]?\d+/; // -inf - inf - - var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z - var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z - - var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 - - // any word (or two) characters or numbers including two/three word month in arabic. - // includes scottish gaelic two word and hyphenated months - var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; - - var regexes = {}; - - function addRegexToken (token, regex, strictRegex) { - regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { - return (isStrict && strictRegex) ? strictRegex : regex; - }; - } - - function getParseRegexForToken (token, config) { - if (!hasOwnProp(regexes, token)) { - return new RegExp(unescapeFormat(token)); - } - - return regexes[token](config._strict, config._locale); - } - - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function unescapeFormat(s) { - return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - })); - } - - function regexEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } - - var tokens = {}; - - function addParseToken (token, callback) { - var i, func = callback; - if (typeof token === 'string') { - token = [token]; - } - if (isNumber(callback)) { - func = function (input, array) { - array[callback] = toInt(input); - }; - } - for (i = 0; i < token.length; i++) { - tokens[token[i]] = func; - } - } - - function addWeekParseToken (token, callback) { - addParseToken(token, function (input, array, config, token) { - config._w = config._w || {}; - callback(input, config._w, config, token); - }); - } - - function addTimeToArrayFromToken(token, input, config) { - if (input != null && hasOwnProp(tokens, token)) { - tokens[token](input, config._a, config, token); - } - } - - var YEAR = 0; - var MONTH = 1; - var DATE = 2; - var HOUR = 3; - var MINUTE = 4; - var SECOND = 5; - var MILLISECOND = 6; - var WEEK = 7; - var WEEKDAY = 8; - - // FORMATTING - - addFormatToken('Y', 0, 0, function () { - var y = this.year(); - return y <= 9999 ? '' + y : '+' + y; - }); - - addFormatToken(0, ['YY', 2], 0, function () { - return this.year() % 100; - }); - - addFormatToken(0, ['YYYY', 4], 0, 'year'); - addFormatToken(0, ['YYYYY', 5], 0, 'year'); - addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); - - // ALIASES - - addUnitAlias('year', 'y'); - - // PRIORITIES - - addUnitPriority('year', 1); - - // PARSING - - addRegexToken('Y', matchSigned); - addRegexToken('YY', match1to2, match2); - addRegexToken('YYYY', match1to4, match4); - addRegexToken('YYYYY', match1to6, match6); - addRegexToken('YYYYYY', match1to6, match6); - - addParseToken(['YYYYY', 'YYYYYY'], YEAR); - addParseToken('YYYY', function (input, array) { - array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); - }); - addParseToken('YY', function (input, array) { - array[YEAR] = hooks.parseTwoDigitYear(input); - }); - addParseToken('Y', function (input, array) { - array[YEAR] = parseInt(input, 10); - }); - - // HELPERS - - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } - - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } - - // HOOKS - - hooks.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; - - // MOMENTS - - var getSetYear = makeGetSet('FullYear', true); - - function getIsLeapYear () { - return isLeapYear(this.year()); - } - - function makeGetSet (unit, keepTime) { - return function (value) { - if (value != null) { - set$1(this, unit, value); - hooks.updateOffset(this, keepTime); - return this; - } else { - return get(this, unit); - } - }; - } - - function get (mom, unit) { - return mom.isValid() ? - mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; - } - - function set$1 (mom, unit, value) { - if (mom.isValid() && !isNaN(value)) { - if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); - } - else { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } - } - - // MOMENTS - - function stringGet (units) { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](); - } - return this; - } - - - function stringSet (units, value) { - if (typeof units === 'object') { - units = normalizeObjectUnits(units); - var prioritized = getPrioritizedUnits(units); - for (var i = 0; i < prioritized.length; i++) { - this[prioritized[i].unit](units[prioritized[i].unit]); - } - } else { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](value); - } - } - return this; - } - - function mod(n, x) { - return ((n % x) + x) % x; - } - - var indexOf; - - if (Array.prototype.indexOf) { - indexOf = Array.prototype.indexOf; - } else { - indexOf = function (o) { - // I know - var i; - for (i = 0; i < this.length; ++i) { - if (this[i] === o) { - return i; - } - } - return -1; - }; - } - - function daysInMonth(year, month) { - if (isNaN(year) || isNaN(month)) { - return NaN; - } - var modMonth = mod(month, 12); - year += (month - modMonth) / 12; - return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); - } - - // FORMATTING - - addFormatToken('M', ['MM', 2], 'Mo', function () { - return this.month() + 1; - }); - - addFormatToken('MMM', 0, 0, function (format) { - return this.localeData().monthsShort(this, format); - }); - - addFormatToken('MMMM', 0, 0, function (format) { - return this.localeData().months(this, format); - }); - - // ALIASES - - addUnitAlias('month', 'M'); - - // PRIORITY - - addUnitPriority('month', 8); - - // PARSING - - addRegexToken('M', match1to2); - addRegexToken('MM', match1to2, match2); - addRegexToken('MMM', function (isStrict, locale) { - return locale.monthsShortRegex(isStrict); - }); - addRegexToken('MMMM', function (isStrict, locale) { - return locale.monthsRegex(isStrict); - }); - - addParseToken(['M', 'MM'], function (input, array) { - array[MONTH] = toInt(input) - 1; - }); - - addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { - var month = config._locale.monthsParse(input, token, config._strict); - // if we didn't find a month name, mark the date as invalid. - if (month != null) { - array[MONTH] = month; - } else { - getParsingFlags(config).invalidMonth = input; - } - }); - - // LOCALES - - var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; - var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); - function localeMonths (m, format) { - if (!m) { - return isArray(this._months) ? this._months : - this._months['standalone']; - } - return isArray(this._months) ? this._months[m.month()] : - this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; - } - - var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); - function localeMonthsShort (m, format) { - if (!m) { - return isArray(this._monthsShort) ? this._monthsShort : - this._monthsShort['standalone']; - } - return isArray(this._monthsShort) ? this._monthsShort[m.month()] : - this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; - } - - function handleStrictParse(monthName, format, strict) { - var i, ii, mom, llc = monthName.toLocaleLowerCase(); - if (!this._monthsParse) { - // this is not used - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - for (i = 0; i < 12; ++i) { - mom = createUTC([2000, i]); - this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); - this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeMonthsParse (monthName, format, strict) { - var i, mom, regex; - - if (this._monthsParseExact) { - return handleStrictParse.call(this, monthName, format, strict); - } - - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } - - // TODO: add sorting - // Sorting makes sure if one month (or abbr) is a prefix of another - // see sorting in computeMonthsParse - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - if (strict && !this._longMonthsParse[i]) { - this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); - this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); - } - if (!strict && !this._monthsParse[i]) { - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { - return i; - } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { - return i; - } else if (!strict && this._monthsParse[i].test(monthName)) { - return i; - } - } - } - - // MOMENTS - - function setMonth (mom, value) { - var dayOfMonth; - - if (!mom.isValid()) { - // No op - return mom; - } - - if (typeof value === 'string') { - if (/^\d+$/.test(value)) { - value = toInt(value); - } else { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (!isNumber(value)) { - return mom; - } - } - } - - dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; - } - - function getSetMonth (value) { - if (value != null) { - setMonth(this, value); - hooks.updateOffset(this, true); - return this; - } else { - return get(this, 'Month'); - } - } - - function getDaysInMonth () { - return daysInMonth(this.year(), this.month()); - } - - var defaultMonthsShortRegex = matchWord; - function monthsShortRegex (isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsShortStrictRegex; - } else { - return this._monthsShortRegex; - } - } else { - if (!hasOwnProp(this, '_monthsShortRegex')) { - this._monthsShortRegex = defaultMonthsShortRegex; - } - return this._monthsShortStrictRegex && isStrict ? - this._monthsShortStrictRegex : this._monthsShortRegex; - } - } - - var defaultMonthsRegex = matchWord; - function monthsRegex (isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsStrictRegex; - } else { - return this._monthsRegex; - } - } else { - if (!hasOwnProp(this, '_monthsRegex')) { - this._monthsRegex = defaultMonthsRegex; - } - return this._monthsStrictRegex && isStrict ? - this._monthsStrictRegex : this._monthsRegex; - } - } - - function computeMonthsParse () { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var shortPieces = [], longPieces = [], mixedPieces = [], - i, mom; - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - shortPieces.push(this.monthsShort(mom, '')); - longPieces.push(this.months(mom, '')); - mixedPieces.push(this.months(mom, '')); - mixedPieces.push(this.monthsShort(mom, '')); - } - // Sorting makes sure if one month (or abbr) is a prefix of another it - // will match the longer piece. - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 12; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - } - for (i = 0; i < 24; i++) { - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._monthsShortRegex = this._monthsRegex; - this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - } - - function createDate (y, m, d, h, M, s, ms) { - // can't just apply() to create a date: - // https://stackoverflow.com/q/181348 - var date; - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - date = new Date(y + 400, m, d, h, M, s, ms); - if (isFinite(date.getFullYear())) { - date.setFullYear(y); - } - } else { - date = new Date(y, m, d, h, M, s, ms); - } - - return date; - } - - function createUTCDate (y) { - var date; - // the Date.UTC function remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - var args = Array.prototype.slice.call(arguments); - // preserve leap years using a full 400 year cycle, then reset - args[0] = y + 400; - date = new Date(Date.UTC.apply(null, args)); - if (isFinite(date.getUTCFullYear())) { - date.setUTCFullYear(y); - } - } else { - date = new Date(Date.UTC.apply(null, arguments)); - } - - return date; - } - - // start-of-first-week - start-of-year - function firstWeekOffset(year, dow, doy) { - var // first-week day -- which january is always in the first week (4 for iso, 1 for other) - fwd = 7 + dow - doy, - // first-week day local weekday -- which local weekday is fwd - fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; - - return -fwdlw + fwd - 1; - } - - // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, dow, doy) { - var localWeekday = (7 + weekday - dow) % 7, - weekOffset = firstWeekOffset(year, dow, doy), - dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, - resYear, resDayOfYear; - - if (dayOfYear <= 0) { - resYear = year - 1; - resDayOfYear = daysInYear(resYear) + dayOfYear; - } else if (dayOfYear > daysInYear(year)) { - resYear = year + 1; - resDayOfYear = dayOfYear - daysInYear(year); - } else { - resYear = year; - resDayOfYear = dayOfYear; - } - - return { - year: resYear, - dayOfYear: resDayOfYear - }; - } - - function weekOfYear(mom, dow, doy) { - var weekOffset = firstWeekOffset(mom.year(), dow, doy), - week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, - resWeek, resYear; - - if (week < 1) { - resYear = mom.year() - 1; - resWeek = week + weeksInYear(resYear, dow, doy); - } else if (week > weeksInYear(mom.year(), dow, doy)) { - resWeek = week - weeksInYear(mom.year(), dow, doy); - resYear = mom.year() + 1; - } else { - resYear = mom.year(); - resWeek = week; - } - - return { - week: resWeek, - year: resYear - }; - } - - function weeksInYear(year, dow, doy) { - var weekOffset = firstWeekOffset(year, dow, doy), - weekOffsetNext = firstWeekOffset(year + 1, dow, doy); - return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; - } - - // FORMATTING - - addFormatToken('w', ['ww', 2], 'wo', 'week'); - addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); - - // ALIASES - - addUnitAlias('week', 'w'); - addUnitAlias('isoWeek', 'W'); - - // PRIORITIES - - addUnitPriority('week', 5); - addUnitPriority('isoWeek', 5); - - // PARSING - - addRegexToken('w', match1to2); - addRegexToken('ww', match1to2, match2); - addRegexToken('W', match1to2); - addRegexToken('WW', match1to2, match2); - - addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { - week[token.substr(0, 1)] = toInt(input); - }); - - // HELPERS - - // LOCALES - - function localeWeek (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - } - - var defaultLocaleWeek = { - dow : 0, // Sunday is the first day of the week. - doy : 6 // The week that contains Jan 6th is the first week of the year. - }; - - function localeFirstDayOfWeek () { - return this._week.dow; - } - - function localeFirstDayOfYear () { - return this._week.doy; - } - - // MOMENTS - - function getSetWeek (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - function getSetISOWeek (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - // FORMATTING - - addFormatToken('d', 0, 'do', 'day'); - - addFormatToken('dd', 0, 0, function (format) { - return this.localeData().weekdaysMin(this, format); - }); - - addFormatToken('ddd', 0, 0, function (format) { - return this.localeData().weekdaysShort(this, format); - }); - - addFormatToken('dddd', 0, 0, function (format) { - return this.localeData().weekdays(this, format); - }); - - addFormatToken('e', 0, 0, 'weekday'); - addFormatToken('E', 0, 0, 'isoWeekday'); - - // ALIASES - - addUnitAlias('day', 'd'); - addUnitAlias('weekday', 'e'); - addUnitAlias('isoWeekday', 'E'); - - // PRIORITY - addUnitPriority('day', 11); - addUnitPriority('weekday', 11); - addUnitPriority('isoWeekday', 11); - - // PARSING - - addRegexToken('d', match1to2); - addRegexToken('e', match1to2); - addRegexToken('E', match1to2); - addRegexToken('dd', function (isStrict, locale) { - return locale.weekdaysMinRegex(isStrict); - }); - addRegexToken('ddd', function (isStrict, locale) { - return locale.weekdaysShortRegex(isStrict); - }); - addRegexToken('dddd', function (isStrict, locale) { - return locale.weekdaysRegex(isStrict); - }); - - addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { - var weekday = config._locale.weekdaysParse(input, token, config._strict); - // if we didn't get a weekday name, mark the date as invalid - if (weekday != null) { - week.d = weekday; - } else { - getParsingFlags(config).invalidWeekday = input; - } - }); - - addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { - week[token] = toInt(input); - }); - - // HELPERS - - function parseWeekday(input, locale) { - if (typeof input !== 'string') { - return input; - } - - if (!isNaN(input)) { - return parseInt(input, 10); - } - - input = locale.weekdaysParse(input); - if (typeof input === 'number') { - return input; - } - - return null; - } - - function parseIsoWeekday(input, locale) { - if (typeof input === 'string') { - return locale.weekdaysParse(input) % 7 || 7; - } - return isNaN(input) ? null : input; - } - - // LOCALES - function shiftWeekdays (ws, n) { - return ws.slice(n, 7).concat(ws.slice(0, n)); - } - - var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); - function localeWeekdays (m, format) { - var weekdays = isArray(this._weekdays) ? this._weekdays : - this._weekdays[(m && m !== true && this._weekdays.isFormat.test(format)) ? 'format' : 'standalone']; - return (m === true) ? shiftWeekdays(weekdays, this._week.dow) - : (m) ? weekdays[m.day()] : weekdays; - } - - var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); - function localeWeekdaysShort (m) { - return (m === true) ? shiftWeekdays(this._weekdaysShort, this._week.dow) - : (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; - } - - var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); - function localeWeekdaysMin (m) { - return (m === true) ? shiftWeekdays(this._weekdaysMin, this._week.dow) - : (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; - } - - function handleStrictParse$1(weekdayName, format, strict) { - var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._shortWeekdaysParse = []; - this._minWeekdaysParse = []; - - for (i = 0; i < 7; ++i) { - mom = createUTC([2000, 1]).day(i); - this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); - this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); - this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeWeekdaysParse (weekdayName, format, strict) { - var i, mom, regex; - - if (this._weekdaysParseExact) { - return handleStrictParse$1.call(this, weekdayName, format, strict); - } - - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._minWeekdaysParse = []; - this._shortWeekdaysParse = []; - this._fullWeekdaysParse = []; - } - - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - - mom = createUTC([2000, 1]).day(i); - if (strict && !this._fullWeekdaysParse[i]) { - this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i'); - this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i'); - this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i'); - } - if (!this._weekdaysParse[i]) { - regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); - this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { - return i; - } - } - } - - // MOMENTS - - function getSetDayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); - if (input != null) { - input = parseWeekday(input, this.localeData()); - return this.add(input - day, 'd'); - } else { - return day; - } - } - - function getSetLocaleDayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - } - - function getSetISODayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - - if (input != null) { - var weekday = parseIsoWeekday(input, this.localeData()); - return this.day(this.day() % 7 ? weekday : weekday - 7); - } else { - return this.day() || 7; - } - } - - var defaultWeekdaysRegex = matchWord; - function weekdaysRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysStrictRegex; - } else { - return this._weekdaysRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysRegex')) { - this._weekdaysRegex = defaultWeekdaysRegex; - } - return this._weekdaysStrictRegex && isStrict ? - this._weekdaysStrictRegex : this._weekdaysRegex; - } - } - - var defaultWeekdaysShortRegex = matchWord; - function weekdaysShortRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysShortStrictRegex; - } else { - return this._weekdaysShortRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysShortRegex')) { - this._weekdaysShortRegex = defaultWeekdaysShortRegex; - } - return this._weekdaysShortStrictRegex && isStrict ? - this._weekdaysShortStrictRegex : this._weekdaysShortRegex; - } - } - - var defaultWeekdaysMinRegex = matchWord; - function weekdaysMinRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysMinStrictRegex; - } else { - return this._weekdaysMinRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysMinRegex')) { - this._weekdaysMinRegex = defaultWeekdaysMinRegex; - } - return this._weekdaysMinStrictRegex && isStrict ? - this._weekdaysMinStrictRegex : this._weekdaysMinRegex; - } - } - - - function computeWeekdaysParse () { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], - i, mom, minp, shortp, longp; - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, 1]).day(i); - minp = this.weekdaysMin(mom, ''); - shortp = this.weekdaysShort(mom, ''); - longp = this.weekdays(mom, ''); - minPieces.push(minp); - shortPieces.push(shortp); - longPieces.push(longp); - mixedPieces.push(minp); - mixedPieces.push(shortp); - mixedPieces.push(longp); - } - // Sorting makes sure if one weekday (or abbr) is a prefix of another it - // will match the longer piece. - minPieces.sort(cmpLenRev); - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 7; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._weekdaysShortRegex = this._weekdaysRegex; - this._weekdaysMinRegex = this._weekdaysRegex; - - this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); - } - - // FORMATTING - - function hFormat() { - return this.hours() % 12 || 12; - } - - function kFormat() { - return this.hours() || 24; - } - - addFormatToken('H', ['HH', 2], 0, 'hour'); - addFormatToken('h', ['hh', 2], 0, hFormat); - addFormatToken('k', ['kk', 2], 0, kFormat); - - addFormatToken('hmm', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); - }); - - addFormatToken('hmmss', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - addFormatToken('Hmm', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2); - }); - - addFormatToken('Hmmss', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - function meridiem (token, lowercase) { - addFormatToken(token, 0, 0, function () { - return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); - }); - } - - meridiem('a', true); - meridiem('A', false); - - // ALIASES - - addUnitAlias('hour', 'h'); - - // PRIORITY - addUnitPriority('hour', 13); - - // PARSING - - function matchMeridiem (isStrict, locale) { - return locale._meridiemParse; - } - - addRegexToken('a', matchMeridiem); - addRegexToken('A', matchMeridiem); - addRegexToken('H', match1to2); - addRegexToken('h', match1to2); - addRegexToken('k', match1to2); - addRegexToken('HH', match1to2, match2); - addRegexToken('hh', match1to2, match2); - addRegexToken('kk', match1to2, match2); - - addRegexToken('hmm', match3to4); - addRegexToken('hmmss', match5to6); - addRegexToken('Hmm', match3to4); - addRegexToken('Hmmss', match5to6); - - addParseToken(['H', 'HH'], HOUR); - addParseToken(['k', 'kk'], function (input, array, config) { - var kInput = toInt(input); - array[HOUR] = kInput === 24 ? 0 : kInput; - }); - addParseToken(['a', 'A'], function (input, array, config) { - config._isPm = config._locale.isPM(input); - config._meridiem = input; - }); - addParseToken(['h', 'hh'], function (input, array, config) { - array[HOUR] = toInt(input); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('Hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - }); - addParseToken('Hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - }); - - // LOCALES - - function localeIsPM (input) { - // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays - // Using charAt should be more compatible. - return ((input + '').toLowerCase().charAt(0) === 'p'); - } - - var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; - function localeMeridiem (hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - } - - - // MOMENTS - - // Setting the hour should keep the time, because the user explicitly - // specified which hour they want. So trying to maintain the same hour (in - // a new timezone) makes sense. Adding/subtracting hours does not follow - // this rule. - var getSetHour = makeGetSet('Hours', true); - - var baseConfig = { - calendar: defaultCalendar, - longDateFormat: defaultLongDateFormat, - invalidDate: defaultInvalidDate, - ordinal: defaultOrdinal, - dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, - relativeTime: defaultRelativeTime, - - months: defaultLocaleMonths, - monthsShort: defaultLocaleMonthsShort, - - week: defaultLocaleWeek, - - weekdays: defaultLocaleWeekdays, - weekdaysMin: defaultLocaleWeekdaysMin, - weekdaysShort: defaultLocaleWeekdaysShort, - - meridiemParse: defaultLocaleMeridiemParse - }; - - // internal storage for locale config files - var locales = {}; - var localeFamilies = {}; - var globalLocale; - - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; - } - - // pick the locale from the array - // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each - // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root - function chooseLocale(names) { - var i = 0, j, next, locale, split; - - while (i < names.length) { - split = normalizeLocale(names[i]).split('-'); - j = split.length; - next = normalizeLocale(names[i + 1]); - next = next ? next.split('-') : null; - while (j > 0) { - locale = loadLocale(split.slice(0, j).join('-')); - if (locale) { - return locale; - } - if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { - //the next array item is better than a shallower substring of this one - break; - } - j--; - } - i++; - } - return globalLocale; - } - - function loadLocale(name) { - var oldLocale = null; - // TODO: Find a better way to register and load all the locales in Node - if (!locales[name] && ('object' !== 'undefined') && - module && module.exports) { - try { - oldLocale = globalLocale._abbr; - var aliasedRequire = commonjsRequire; - aliasedRequire('./locale/' + name); - getSetGlobalLocale(oldLocale); - } catch (e) {} - } - return locales[name]; - } - - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - function getSetGlobalLocale (key, values) { - var data; - if (key) { - if (isUndefined(values)) { - data = getLocale(key); - } - else { - data = defineLocale(key, values); - } - - if (data) { - // moment.duration._locale = moment._locale = data; - globalLocale = data; - } - else { - if ((typeof console !== 'undefined') && console.warn) { - //warn user if arguments are passed but the locale could not be set - console.warn('Locale ' + key + ' not found. Did you forget to load it?'); - } - } - } - - return globalLocale._abbr; - } - - function defineLocale (name, config) { - if (config !== null) { - var locale, parentConfig = baseConfig; - config.abbr = name; - if (locales[name] != null) { - deprecateSimple('defineLocaleOverride', - 'use moment.updateLocale(localeName, config) to change ' + - 'an existing locale. moment.defineLocale(localeName, ' + - 'config) should only be used for creating a new locale ' + - 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); - parentConfig = locales[name]._config; - } else if (config.parentLocale != null) { - if (locales[config.parentLocale] != null) { - parentConfig = locales[config.parentLocale]._config; - } else { - locale = loadLocale(config.parentLocale); - if (locale != null) { - parentConfig = locale._config; - } else { - if (!localeFamilies[config.parentLocale]) { - localeFamilies[config.parentLocale] = []; - } - localeFamilies[config.parentLocale].push({ - name: name, - config: config - }); - return null; - } - } - } - locales[name] = new Locale(mergeConfigs(parentConfig, config)); - - if (localeFamilies[name]) { - localeFamilies[name].forEach(function (x) { - defineLocale(x.name, x.config); - }); - } - - // backwards compat for now: also set the locale - // make sure we set the locale AFTER all child locales have been - // created, so we won't end up with the child locale set. - getSetGlobalLocale(name); - - - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - } - - function updateLocale(name, config) { - if (config != null) { - var locale, tmpLocale, parentConfig = baseConfig; - // MERGE - tmpLocale = loadLocale(name); - if (tmpLocale != null) { - parentConfig = tmpLocale._config; - } - config = mergeConfigs(parentConfig, config); - locale = new Locale(config); - locale.parentLocale = locales[name]; - locales[name] = locale; - - // backwards compat for now: also set the locale - getSetGlobalLocale(name); - } else { - // pass null for config to unupdate, useful for tests - if (locales[name] != null) { - if (locales[name].parentLocale != null) { - locales[name] = locales[name].parentLocale; - } else if (locales[name] != null) { - delete locales[name]; - } - } - } - return locales[name]; - } - - // returns locale data - function getLocale (key) { - var locale; - - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } - - if (!key) { - return globalLocale; - } - - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } - - return chooseLocale(key); - } - - function listLocales() { - return keys(locales); - } - - function checkOverflow (m) { - var overflow; - var a = m._a; - - if (a && getParsingFlags(m).overflow === -2) { - overflow = - a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : - a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : - a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : - a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : - a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : - a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : - -1; - - if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } - if (getParsingFlags(m)._overflowWeeks && overflow === -1) { - overflow = WEEK; - } - if (getParsingFlags(m)._overflowWeekday && overflow === -1) { - overflow = WEEKDAY; - } - - getParsingFlags(m).overflow = overflow; - } - - return m; - } - - // Pick the first defined of two or three arguments. - function defaults(a, b, c) { - if (a != null) { - return a; - } - if (b != null) { - return b; - } - return c; - } - - function currentDateArray(config) { - // hooks is actually the exported moment object - var nowValue = new Date(hooks.now()); - if (config._useUTC) { - return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; - } - return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; - } - - // convert an array to a date. - // the array should mirror the parameters below - // note: all values past the year are optional and will default to the lowest possible value. - // [year, month, day , hour, minute, second, millisecond] - function configFromArray (config) { - var i, date, input = [], currentDate, expectedWeekday, yearToUse; - - if (config._d) { - return; - } - - currentDate = currentDateArray(config); - - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } - - //if the day of the year is set, figure out what it is - if (config._dayOfYear != null) { - yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); - - if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { - getParsingFlags(config)._overflowDayOfYear = true; - } - - date = createUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } - - // Default to current date. - // * if no year, month, day of month are given, default to today - // * if day of month is given, default month and year - // * if month is given, default only year - // * if year is given, don't default anything - for (i = 0; i < 3 && config._a[i] == null; ++i) { - config._a[i] = input[i] = currentDate[i]; - } - - // Zero out whatever was not defaulted, including time - for (; i < 7; i++) { - config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; - } - - // Check for 24:00:00.000 - if (config._a[HOUR] === 24 && - config._a[MINUTE] === 0 && - config._a[SECOND] === 0 && - config._a[MILLISECOND] === 0) { - config._nextDay = true; - config._a[HOUR] = 0; - } - - config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); - expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); - - // Apply timezone offset from input. The actual utcOffset can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - } - - if (config._nextDay) { - config._a[HOUR] = 24; - } - - // check for mismatching day of week - if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { - getParsingFlags(config).weekdayMismatch = true; - } - } - - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; - - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; - - // TODO: We need to take the current isoWeekYear, but that depends on - // how we interpret now (local, utc, fixed offset). So create - // a now version of current config (take local/utc/offset flags, and - // create now). - weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); - week = defaults(w.W, 1); - weekday = defaults(w.E, 1); - if (weekday < 1 || weekday > 7) { - weekdayOverflow = true; - } - } else { - dow = config._locale._week.dow; - doy = config._locale._week.doy; - - var curWeek = weekOfYear(createLocal(), dow, doy); - - weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); - - // Default to current week. - week = defaults(w.w, curWeek.week); - - if (w.d != null) { - // weekday -- low day numbers are considered next week - weekday = w.d; - if (weekday < 0 || weekday > 6) { - weekdayOverflow = true; - } - } else if (w.e != null) { - // local weekday -- counting starts from beginning of week - weekday = w.e + dow; - if (w.e < 0 || w.e > 6) { - weekdayOverflow = true; - } - } else { - // default to beginning of week - weekday = dow; - } - } - if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { - getParsingFlags(config)._overflowWeeks = true; - } else if (weekdayOverflow != null) { - getParsingFlags(config)._overflowWeekday = true; - } else { - temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; - } - } - - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - - var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; - - var isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], - ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], - ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], - ['GGGG-[W]WW', /\d{4}-W\d\d/, false], - ['YYYY-DDD', /\d{4}-\d{3}/], - ['YYYY-MM', /\d{4}-\d\d/, false], - ['YYYYYYMMDD', /[+-]\d{10}/], - ['YYYYMMDD', /\d{8}/], - // YYYYMM is NOT allowed by the standard - ['GGGG[W]WWE', /\d{4}W\d{3}/], - ['GGGG[W]WW', /\d{4}W\d{2}/, false], - ['YYYYDDD', /\d{7}/] - ]; - - // iso time formats and regexes - var isoTimes = [ - ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], - ['HH:mm:ss', /\d\d:\d\d:\d\d/], - ['HH:mm', /\d\d:\d\d/], - ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], - ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], - ['HHmmss', /\d\d\d\d\d\d/], - ['HHmm', /\d\d\d\d/], - ['HH', /\d\d/] - ]; - - var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; - - // date from iso format - function configFromISO(config) { - var i, l, - string = config._i, - match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), - allowTime, dateFormat, timeFormat, tzFormat; - - if (match) { - getParsingFlags(config).iso = true; - - for (i = 0, l = isoDates.length; i < l; i++) { - if (isoDates[i][1].exec(match[1])) { - dateFormat = isoDates[i][0]; - allowTime = isoDates[i][2] !== false; - break; - } - } - if (dateFormat == null) { - config._isValid = false; - return; - } - if (match[3]) { - for (i = 0, l = isoTimes.length; i < l; i++) { - if (isoTimes[i][1].exec(match[3])) { - // match[2] should be 'T' or space - timeFormat = (match[2] || ' ') + isoTimes[i][0]; - break; - } - } - if (timeFormat == null) { - config._isValid = false; - return; - } - } - if (!allowTime && timeFormat != null) { - config._isValid = false; - return; - } - if (match[4]) { - if (tzRegex.exec(match[4])) { - tzFormat = 'Z'; - } else { - config._isValid = false; - return; - } - } - config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); - configFromStringAndFormat(config); - } else { - config._isValid = false; - } - } - - // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 - var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; - - function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { - var result = [ - untruncateYear(yearStr), - defaultLocaleMonthsShort.indexOf(monthStr), - parseInt(dayStr, 10), - parseInt(hourStr, 10), - parseInt(minuteStr, 10) - ]; - - if (secondStr) { - result.push(parseInt(secondStr, 10)); - } - - return result; - } - - function untruncateYear(yearStr) { - var year = parseInt(yearStr, 10); - if (year <= 49) { - return 2000 + year; - } else if (year <= 999) { - return 1900 + year; - } - return year; - } - - function preprocessRFC2822(s) { - // Remove comments and folding whitespace and replace multiple-spaces with a single space - return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); - } - - function checkWeekday(weekdayStr, parsedInput, config) { - if (weekdayStr) { - // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. - var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), - weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); - if (weekdayProvided !== weekdayActual) { - getParsingFlags(config).weekdayMismatch = true; - config._isValid = false; - return false; - } - } - return true; - } - - var obsOffsets = { - UT: 0, - GMT: 0, - EDT: -4 * 60, - EST: -5 * 60, - CDT: -5 * 60, - CST: -6 * 60, - MDT: -6 * 60, - MST: -7 * 60, - PDT: -7 * 60, - PST: -8 * 60 - }; - - function calculateOffset(obsOffset, militaryOffset, numOffset) { - if (obsOffset) { - return obsOffsets[obsOffset]; - } else if (militaryOffset) { - // the only allowed military tz is Z - return 0; - } else { - var hm = parseInt(numOffset, 10); - var m = hm % 100, h = (hm - m) / 100; - return h * 60 + m; - } - } - - // date and time from ref 2822 format - function configFromRFC2822(config) { - var match = rfc2822.exec(preprocessRFC2822(config._i)); - if (match) { - var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); - if (!checkWeekday(match[1], parsedArray, config)) { - return; - } - - config._a = parsedArray; - config._tzm = calculateOffset(match[8], match[9], match[10]); - - config._d = createUTCDate.apply(null, config._a); - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - - getParsingFlags(config).rfc2822 = true; - } else { - config._isValid = false; - } - } - - // date from iso format or fallback - function configFromString(config) { - var matched = aspNetJsonRegex.exec(config._i); - - if (matched !== null) { - config._d = new Date(+matched[1]); - return; - } - - configFromISO(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - configFromRFC2822(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - // Final attempt, use Input Fallback - hooks.createFromInputFallback(config); - } - - hooks.createFromInputFallback = deprecate( - 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + - 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + - 'discouraged and will be removed in an upcoming major release. Please refer to ' + - 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', - function (config) { - config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); - } - ); - - // constant that refers to the ISO standard - hooks.ISO_8601 = function () {}; - - // constant that refers to the RFC 2822 form - hooks.RFC_2822 = function () {}; - - // date from string and format string - function configFromStringAndFormat(config) { - // TODO: Move this to another part of the creation flow to prevent circular deps - if (config._f === hooks.ISO_8601) { - configFromISO(config); - return; - } - if (config._f === hooks.RFC_2822) { - configFromRFC2822(config); - return; - } - config._a = []; - getParsingFlags(config).empty = true; - - // This array is used to make a Date, either with `new Date` or `Date.UTC` - var string = '' + config._i, - i, parsedInput, tokens, token, skipped, - stringLength = string.length, - totalParsedInputLength = 0; - - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; - // console.log('token', token, 'parsedInput', parsedInput, - // 'regex', getParseRegexForToken(token, config)); - if (parsedInput) { - skipped = string.substr(0, string.indexOf(parsedInput)); - if (skipped.length > 0) { - getParsingFlags(config).unusedInput.push(skipped); - } - string = string.slice(string.indexOf(parsedInput) + parsedInput.length); - totalParsedInputLength += parsedInput.length; - } - // don't parse if it's not a known token - if (formatTokenFunctions[token]) { - if (parsedInput) { - getParsingFlags(config).empty = false; - } - else { - getParsingFlags(config).unusedTokens.push(token); - } - addTimeToArrayFromToken(token, parsedInput, config); - } - else if (config._strict && !parsedInput) { - getParsingFlags(config).unusedTokens.push(token); - } - } - - // add remaining unparsed input length to the string - getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - getParsingFlags(config).unusedInput.push(string); - } - - // clear _12h flag if hour is <= 12 - if (config._a[HOUR] <= 12 && - getParsingFlags(config).bigHour === true && - config._a[HOUR] > 0) { - getParsingFlags(config).bigHour = undefined; - } - - getParsingFlags(config).parsedDateParts = config._a.slice(0); - getParsingFlags(config).meridiem = config._meridiem; - // handle meridiem - config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); - - configFromArray(config); - checkOverflow(config); - } - - - function meridiemFixWrap (locale, hour, meridiem) { - var isPm; - - if (meridiem == null) { - // nothing to do - return hour; - } - if (locale.meridiemHour != null) { - return locale.meridiemHour(hour, meridiem); - } else if (locale.isPM != null) { - // Fallback - isPm = locale.isPM(meridiem); - if (isPm && hour < 12) { - hour += 12; - } - if (!isPm && hour === 12) { - hour = 0; - } - return hour; - } else { - // this is not supposed to happen - return hour; - } - } - - // date from string and array of format strings - function configFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; - - if (config._f.length === 0) { - getParsingFlags(config).invalidFormat = true; - config._d = new Date(NaN); - return; - } - - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._f = config._f[i]; - configFromStringAndFormat(tempConfig); - - if (!isValid(tempConfig)) { - continue; - } - - // if there is any input that was not parsed add a penalty for that format - currentScore += getParsingFlags(tempConfig).charsLeftOver; - - //or tokens - currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; - - getParsingFlags(tempConfig).score = currentScore; - - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } - - extend(config, bestMoment || tempConfig); - } - - function configFromObject(config) { - if (config._d) { - return; - } - - var i = normalizeObjectUnits(config._i); - config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { - return obj && parseInt(obj, 10); - }); - - configFromArray(config); - } - - function createFromConfig (config) { - var res = new Moment(checkOverflow(prepareConfig(config))); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } - - return res; - } - - function prepareConfig (config) { - var input = config._i, - format = config._f; - - config._locale = config._locale || getLocale(config._l); - - if (input === null || (format === undefined && input === '')) { - return createInvalid({nullInput: true}); - } - - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } - - if (isMoment(input)) { - return new Moment(checkOverflow(input)); - } else if (isDate(input)) { - config._d = input; - } else if (isArray(format)) { - configFromStringAndArray(config); - } else if (format) { - configFromStringAndFormat(config); - } else { - configFromInput(config); - } - - if (!isValid(config)) { - config._d = null; - } - - return config; - } - - function configFromInput(config) { - var input = config._i; - if (isUndefined(input)) { - config._d = new Date(hooks.now()); - } else if (isDate(input)) { - config._d = new Date(input.valueOf()); - } else if (typeof input === 'string') { - configFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - configFromArray(config); - } else if (isObject(input)) { - configFromObject(config); - } else if (isNumber(input)) { - // from milliseconds - config._d = new Date(input); - } else { - hooks.createFromInputFallback(config); - } - } - - function createLocalOrUTC (input, format, locale, strict, isUTC) { - var c = {}; - - if (locale === true || locale === false) { - strict = locale; - locale = undefined; - } - - if ((isObject(input) && isObjectEmpty(input)) || - (isArray(input) && input.length === 0)) { - input = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c._isAMomentObject = true; - c._useUTC = c._isUTC = isUTC; - c._l = locale; - c._i = input; - c._f = format; - c._strict = strict; - - return createFromConfig(c); - } - - function createLocal (input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, false); - } - - var prototypeMin = deprecate( - 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other < this ? this : other; - } else { - return createInvalid(); - } - } - ); - - var prototypeMax = deprecate( - 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other > this ? this : other; - } else { - return createInvalid(); - } - } - ); - - // Pick a moment m from moments so that m[fn](other) is true for all - // other. This relies on the function fn to be transitive. - // - // moments should either be an array of moment objects or an array, whose - // first element is an array of moment objects. - function pickBy(fn, moments) { - var res, i; - if (moments.length === 1 && isArray(moments[0])) { - moments = moments[0]; - } - if (!moments.length) { - return createLocal(); - } - res = moments[0]; - for (i = 1; i < moments.length; ++i) { - if (!moments[i].isValid() || moments[i][fn](res)) { - res = moments[i]; - } - } - return res; - } - - // TODO: Use [].sort instead? - function min () { - var args = [].slice.call(arguments, 0); - - return pickBy('isBefore', args); - } - - function max () { - var args = [].slice.call(arguments, 0); - - return pickBy('isAfter', args); - } - - var now = function () { - return Date.now ? Date.now() : +(new Date()); - }; - - var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; - - function isDurationValid(m) { - for (var key in m) { - if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { - return false; - } - } - - var unitHasDecimal = false; - for (var i = 0; i < ordering.length; ++i) { - if (m[ordering[i]]) { - if (unitHasDecimal) { - return false; // only allow non-integers for smallest unit - } - if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { - unitHasDecimal = true; - } - } - } - - return true; - } - - function isValid$1() { - return this._isValid; - } - - function createInvalid$1() { - return createDuration(NaN); - } - - function Duration (duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || normalizedInput.isoWeek || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; - - this._isValid = isDurationValid(normalizedInput); - - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible to translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; - - this._data = {}; - - this._locale = getLocale(); - - this._bubble(); - } - - function isDuration (obj) { - return obj instanceof Duration; - } - - function absRound (number) { - if (number < 0) { - return Math.round(-1 * number) * -1; - } else { - return Math.round(number); - } - } - - // FORMATTING - - function offset (token, separator) { - addFormatToken(token, 0, 0, function () { - var offset = this.utcOffset(); - var sign = '+'; - if (offset < 0) { - offset = -offset; - sign = '-'; - } - return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); - }); - } - - offset('Z', ':'); - offset('ZZ', ''); - - // PARSING - - addRegexToken('Z', matchShortOffset); - addRegexToken('ZZ', matchShortOffset); - addParseToken(['Z', 'ZZ'], function (input, array, config) { - config._useUTC = true; - config._tzm = offsetFromString(matchShortOffset, input); - }); - - // HELPERS - - // timezone chunker - // '+10:00' > ['10', '00'] - // '-1530' > ['-15', '30'] - var chunkOffset = /([\+\-]|\d\d)/gi; - - function offsetFromString(matcher, string) { - var matches = (string || '').match(matcher); - - if (matches === null) { - return null; - } - - var chunk = matches[matches.length - 1] || []; - var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; - var minutes = +(parts[1] * 60) + toInt(parts[2]); - - return minutes === 0 ? - 0 : - parts[0] === '+' ? minutes : -minutes; - } - - // Return a moment from input, that is local/utc/zone equivalent to model. - function cloneWithOffset(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); - // Use low-level api, because this fn is low-level api. - res._d.setTime(res._d.valueOf() + diff); - hooks.updateOffset(res, false); - return res; - } else { - return createLocal(input).local(); - } - } - - function getDateOffset (m) { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(m._d.getTimezoneOffset() / 15) * 15; - } - - // HOOKS - - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - hooks.updateOffset = function () {}; - - // MOMENTS - - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset - // +0200, so we adjust the time as needed, to be valid. - // - // Keeping the time actually adds/subtracts (one hour) - // from the actual represented time. That is why we call updateOffset - // a second time. In case it wants us to change the offset again - // _changeInProgress == true case, then we have to adjust, because - // there is no such time in the given timezone. - function getSetOffset (input, keepLocalTime, keepMinutes) { - var offset = this._offset || 0, - localAdjust; - if (!this.isValid()) { - return input != null ? this : NaN; - } - if (input != null) { - if (typeof input === 'string') { - input = offsetFromString(matchShortOffset, input); - if (input === null) { - return this; - } - } else if (Math.abs(input) < 16 && !keepMinutes) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = getDateOffset(this); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addSubtract(this, createDuration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - hooks.updateOffset(this, true); - this._changeInProgress = null; - } - } - return this; - } else { - return this._isUTC ? offset : getDateOffset(this); - } - } - - function getSetZone (input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } - - this.utcOffset(input, keepLocalTime); - - return this; - } else { - return -this.utcOffset(); - } - } - - function setOffsetToUTC (keepLocalTime) { - return this.utcOffset(0, keepLocalTime); - } - - function setOffsetToLocal (keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; - - if (keepLocalTime) { - this.subtract(getDateOffset(this), 'm'); - } - } - return this; - } - - function setOffsetToParsedOffset () { - if (this._tzm != null) { - this.utcOffset(this._tzm, false, true); - } else if (typeof this._i === 'string') { - var tZone = offsetFromString(matchOffset, this._i); - if (tZone != null) { - this.utcOffset(tZone); - } - else { - this.utcOffset(0, true); - } - } - return this; - } - - function hasAlignedHourOffset (input) { - if (!this.isValid()) { - return false; - } - input = input ? createLocal(input).utcOffset() : 0; - - return (this.utcOffset() - input) % 60 === 0; - } - - function isDaylightSavingTime () { - return ( - this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset() - ); - } - - function isDaylightSavingTimeShifted () { - if (!isUndefined(this._isDSTShifted)) { - return this._isDSTShifted; - } - - var c = {}; - - copyConfig(c, this); - c = prepareConfig(c); - - if (c._a) { - var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); - this._isDSTShifted = this.isValid() && - compareArrays(c._a, other.toArray()) > 0; - } else { - this._isDSTShifted = false; - } - - return this._isDSTShifted; - } - - function isLocal () { - return this.isValid() ? !this._isUTC : false; - } - - function isUtcOffset () { - return this.isValid() ? this._isUTC : false; - } - - function isUtc () { - return this.isValid() ? this._isUTC && this._offset === 0 : false; - } - - // ASP.NET json date format regex - var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; - - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - // and further modified to allow for strings containing both week and day - var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; - - function createDuration (input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - diffRes; - - if (isDuration(input)) { - duration = { - ms : input._milliseconds, - d : input._days, - M : input._months - }; - } else if (isNumber(input)) { - duration = {}; - if (key) { - duration[key] = input; - } else { - duration.milliseconds = input; - } - } else if (!!(match = aspNetRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y : 0, - d : toInt(match[DATE]) * sign, - h : toInt(match[HOUR]) * sign, - m : toInt(match[MINUTE]) * sign, - s : toInt(match[SECOND]) * sign, - ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match - }; - } else if (!!(match = isoRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y : parseIso(match[2], sign), - M : parseIso(match[3], sign), - w : parseIso(match[4], sign), - d : parseIso(match[5], sign), - h : parseIso(match[6], sign), - m : parseIso(match[7], sign), - s : parseIso(match[8], sign) - }; - } else if (duration == null) {// checks for null or undefined - duration = {}; - } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); - - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } - - ret = new Duration(duration); - - if (isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } - - return ret; - } - - createDuration.fn = Duration.prototype; - createDuration.invalid = createInvalid$1; - - function parseIso (inp, sign) { - // We'd normally use ~~inp for this, but unfortunately it also - // converts floats to ints. - // inp may be undefined, so careful calling replace on it. - var res = inp && parseFloat(inp.replace(',', '.')); - // apply sign while we're at it - return (isNaN(res) ? 0 : res) * sign; - } - - function positiveMomentsDifference(base, other) { - var res = {}; - - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } - - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - - return res; - } - - function momentsDifference(base, other) { - var res; - if (!(base.isValid() && other.isValid())) { - return {milliseconds: 0, months: 0}; - } - - other = cloneWithOffset(other, base); - if (base.isBefore(other)) { - res = positiveMomentsDifference(base, other); - } else { - res = positiveMomentsDifference(other, base); - res.milliseconds = -res.milliseconds; - res.months = -res.months; - } - - return res; - } - - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + - 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); - tmp = val; val = period; period = tmp; - } - - val = typeof val === 'string' ? +val : val; - dur = createDuration(val, period); - addSubtract(this, dur, direction); - return this; - }; - } - - function addSubtract (mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = absRound(duration._days), - months = absRound(duration._months); - - if (!mom.isValid()) { - // No op - return; - } - - updateOffset = updateOffset == null ? true : updateOffset; - - if (months) { - setMonth(mom, get(mom, 'Month') + months * isAdding); - } - if (days) { - set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); - } - if (milliseconds) { - mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); - } - if (updateOffset) { - hooks.updateOffset(mom, days || months); - } - } - - var add = createAdder(1, 'add'); - var subtract = createAdder(-1, 'subtract'); - - function getCalendarFormat(myMoment, now) { - var diff = myMoment.diff(now, 'days', true); - return diff < -6 ? 'sameElse' : - diff < -1 ? 'lastWeek' : - diff < 0 ? 'lastDay' : - diff < 1 ? 'sameDay' : - diff < 2 ? 'nextDay' : - diff < 7 ? 'nextWeek' : 'sameElse'; - } - - function calendar$1 (time, formats) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're local/utc/offset or not. - var now = time || createLocal(), - sod = cloneWithOffset(now, this).startOf('day'), - format = hooks.calendarFormat(this, sod) || 'sameElse'; - - var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); - - return this.format(output || this.localeData().calendar(format, this, createLocal(now))); - } - - function clone () { - return new Moment(this); - } - - function isAfter (input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() > localInput.valueOf(); - } else { - return localInput.valueOf() < this.clone().startOf(units).valueOf(); - } - } - - function isBefore (input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() < localInput.valueOf(); - } else { - return this.clone().endOf(units).valueOf() < localInput.valueOf(); - } - } - - function isBetween (from, to, units, inclusivity) { - var localFrom = isMoment(from) ? from : createLocal(from), - localTo = isMoment(to) ? to : createLocal(to); - if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) { - return false; - } - inclusivity = inclusivity || '()'; - return (inclusivity[0] === '(' ? this.isAfter(localFrom, units) : !this.isBefore(localFrom, units)) && - (inclusivity[1] === ')' ? this.isBefore(localTo, units) : !this.isAfter(localTo, units)); - } - - function isSame (input, units) { - var localInput = isMoment(input) ? input : createLocal(input), - inputMs; - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() === localInput.valueOf(); - } else { - inputMs = localInput.valueOf(); - return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); - } - } - - function isSameOrAfter (input, units) { - return this.isSame(input, units) || this.isAfter(input, units); - } - - function isSameOrBefore (input, units) { - return this.isSame(input, units) || this.isBefore(input, units); - } - - function diff (input, units, asFloat) { - var that, - zoneDelta, - output; - - if (!this.isValid()) { - return NaN; - } - - that = cloneWithOffset(input, this); - - if (!that.isValid()) { - return NaN; - } - - zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; - - units = normalizeUnits(units); - - switch (units) { - case 'year': output = monthDiff(this, that) / 12; break; - case 'month': output = monthDiff(this, that); break; - case 'quarter': output = monthDiff(this, that) / 3; break; - case 'second': output = (this - that) / 1e3; break; // 1000 - case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 - case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 - case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst - case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst - default: output = this - that; - } - - return asFloat ? output : absFloor(output); - } - - function monthDiff (a, b) { - // difference in months - var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), - // b is in (anchor - 1 month, anchor + 1 month) - anchor = a.clone().add(wholeMonthDiff, 'months'), - anchor2, adjust; - - if (b - anchor < 0) { - anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor - anchor2); - } else { - anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor2 - anchor); - } - - //check for negative zero, return zero if negative zero - return -(wholeMonthDiff + adjust) || 0; - } - - hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; - hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; - - function toString () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - } - - function toISOString(keepOffset) { - if (!this.isValid()) { - return null; - } - var utc = keepOffset !== true; - var m = utc ? this.clone().utc() : this; - if (m.year() < 0 || m.year() > 9999) { - return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - if (isFunction(Date.prototype.toISOString)) { - // native implementation is ~50x faster, use it when we can - if (utc) { - return this.toDate().toISOString(); - } else { - return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z')); - } - } - return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - - /** - * Return a human readable representation of a moment that can - * also be evaluated to get a new moment which is the same - * - * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects - */ - function inspect () { - if (!this.isValid()) { - return 'moment.invalid(/* ' + this._i + ' */)'; - } - var func = 'moment'; - var zone = ''; - if (!this.isLocal()) { - func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; - zone = 'Z'; - } - var prefix = '[' + func + '("]'; - var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; - var datetime = '-MM-DD[T]HH:mm:ss.SSS'; - var suffix = zone + '[")]'; - - return this.format(prefix + year + datetime + suffix); - } - - function format (inputString) { - if (!inputString) { - inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; - } - var output = formatMoment(this, inputString); - return this.localeData().postformat(output); - } - - function from (time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function fromNow (withoutSuffix) { - return this.from(createLocal(), withoutSuffix); - } - - function to (time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function toNow (withoutSuffix) { - return this.to(createLocal(), withoutSuffix); - } - - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - function locale (key) { - var newLocaleData; - - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = getLocale(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - } - - var lang = deprecate( - 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ); - - function localeData () { - return this._locale; - } - - var MS_PER_SECOND = 1000; - var MS_PER_MINUTE = 60 * MS_PER_SECOND; - var MS_PER_HOUR = 60 * MS_PER_MINUTE; - var MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR; - - // actual modulo - handles negative numbers (for dates before 1970): - function mod$1(dividend, divisor) { - return (dividend % divisor + divisor) % divisor; - } - - function localStartOfDate(y, m, d) { - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return new Date(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return new Date(y, m, d).valueOf(); - } - } - - function utcStartOfDate(y, m, d) { - // Date.UTC remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return Date.UTC(y, m, d); - } - } - - function startOf (units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year(), 0, 1); - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3, 1); - break; - case 'month': - time = startOfDate(this.year(), this.month(), 1); - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday()); - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1)); - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date()); - break; - case 'hour': - time = this._d.valueOf(); - time -= mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR); - break; - case 'minute': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_MINUTE); - break; - case 'second': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_SECOND); - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function endOf (units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year() + 1, 0, 1) - 1; - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3 + 3, 1) - 1; - break; - case 'month': - time = startOfDate(this.year(), this.month() + 1, 1) - 1; - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday() + 7) - 1; - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1) + 7) - 1; - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date() + 1) - 1; - break; - case 'hour': - time = this._d.valueOf(); - time += MS_PER_HOUR - mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR) - 1; - break; - case 'minute': - time = this._d.valueOf(); - time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1; - break; - case 'second': - time = this._d.valueOf(); - time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1; - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function valueOf () { - return this._d.valueOf() - ((this._offset || 0) * 60000); - } - - function unix () { - return Math.floor(this.valueOf() / 1000); - } - - function toDate () { - return new Date(this.valueOf()); - } - - function toArray () { - var m = this; - return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; - } - - function toObject () { - var m = this; - return { - years: m.year(), - months: m.month(), - date: m.date(), - hours: m.hours(), - minutes: m.minutes(), - seconds: m.seconds(), - milliseconds: m.milliseconds() - }; - } - - function toJSON () { - // new Date(NaN).toJSON() === null - return this.isValid() ? this.toISOString() : null; - } - - function isValid$2 () { - return isValid(this); - } - - function parsingFlags () { - return extend({}, getParsingFlags(this)); - } - - function invalidAt () { - return getParsingFlags(this).overflow; - } - - function creationData() { - return { - input: this._i, - format: this._f, - locale: this._locale, - isUTC: this._isUTC, - strict: this._strict - }; - } - - // FORMATTING - - addFormatToken(0, ['gg', 2], 0, function () { - return this.weekYear() % 100; - }); - - addFormatToken(0, ['GG', 2], 0, function () { - return this.isoWeekYear() % 100; - }); - - function addWeekYearFormatToken (token, getter) { - addFormatToken(0, [token, token.length], 0, getter); - } - - addWeekYearFormatToken('gggg', 'weekYear'); - addWeekYearFormatToken('ggggg', 'weekYear'); - addWeekYearFormatToken('GGGG', 'isoWeekYear'); - addWeekYearFormatToken('GGGGG', 'isoWeekYear'); - - // ALIASES - - addUnitAlias('weekYear', 'gg'); - addUnitAlias('isoWeekYear', 'GG'); - - // PRIORITY - - addUnitPriority('weekYear', 1); - addUnitPriority('isoWeekYear', 1); - - - // PARSING - - addRegexToken('G', matchSigned); - addRegexToken('g', matchSigned); - addRegexToken('GG', match1to2, match2); - addRegexToken('gg', match1to2, match2); - addRegexToken('GGGG', match1to4, match4); - addRegexToken('gggg', match1to4, match4); - addRegexToken('GGGGG', match1to6, match6); - addRegexToken('ggggg', match1to6, match6); - - addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { - week[token.substr(0, 2)] = toInt(input); - }); - - addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { - week[token] = hooks.parseTwoDigitYear(input); - }); - - // MOMENTS - - function getSetWeekYear (input) { - return getSetWeekYearHelper.call(this, - input, - this.week(), - this.weekday(), - this.localeData()._week.dow, - this.localeData()._week.doy); - } - - function getSetISOWeekYear (input) { - return getSetWeekYearHelper.call(this, - input, this.isoWeek(), this.isoWeekday(), 1, 4); - } - - function getISOWeeksInYear () { - return weeksInYear(this.year(), 1, 4); - } - - function getWeeksInYear () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - } - - function getSetWeekYearHelper(input, week, weekday, dow, doy) { - var weeksTarget; - if (input == null) { - return weekOfYear(this, dow, doy).year; - } else { - weeksTarget = weeksInYear(input, dow, doy); - if (week > weeksTarget) { - week = weeksTarget; - } - return setWeekAll.call(this, input, week, weekday, dow, doy); - } - } - - function setWeekAll(weekYear, week, weekday, dow, doy) { - var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), - date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); - - this.year(date.getUTCFullYear()); - this.month(date.getUTCMonth()); - this.date(date.getUTCDate()); - return this; - } - - // FORMATTING - - addFormatToken('Q', 0, 'Qo', 'quarter'); - - // ALIASES - - addUnitAlias('quarter', 'Q'); - - // PRIORITY - - addUnitPriority('quarter', 7); - - // PARSING - - addRegexToken('Q', match1); - addParseToken('Q', function (input, array) { - array[MONTH] = (toInt(input) - 1) * 3; - }); - - // MOMENTS - - function getSetQuarter (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - } - - // FORMATTING - - addFormatToken('D', ['DD', 2], 'Do', 'date'); - - // ALIASES - - addUnitAlias('date', 'D'); - - // PRIORITY - addUnitPriority('date', 9); - - // PARSING - - addRegexToken('D', match1to2); - addRegexToken('DD', match1to2, match2); - addRegexToken('Do', function (isStrict, locale) { - // TODO: Remove "ordinalParse" fallback in next major release. - return isStrict ? - (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : - locale._dayOfMonthOrdinalParseLenient; - }); - - addParseToken(['D', 'DD'], DATE); - addParseToken('Do', function (input, array) { - array[DATE] = toInt(input.match(match1to2)[0]); - }); - - // MOMENTS - - var getSetDayOfMonth = makeGetSet('Date', true); - - // FORMATTING - - addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); - - // ALIASES - - addUnitAlias('dayOfYear', 'DDD'); - - // PRIORITY - addUnitPriority('dayOfYear', 4); - - // PARSING - - addRegexToken('DDD', match1to3); - addRegexToken('DDDD', match3); - addParseToken(['DDD', 'DDDD'], function (input, array, config) { - config._dayOfYear = toInt(input); - }); - - // HELPERS - - // MOMENTS - - function getSetDayOfYear (input) { - var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; - return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); - } - - // FORMATTING - - addFormatToken('m', ['mm', 2], 0, 'minute'); - - // ALIASES - - addUnitAlias('minute', 'm'); - - // PRIORITY - - addUnitPriority('minute', 14); - - // PARSING - - addRegexToken('m', match1to2); - addRegexToken('mm', match1to2, match2); - addParseToken(['m', 'mm'], MINUTE); - - // MOMENTS - - var getSetMinute = makeGetSet('Minutes', false); - - // FORMATTING - - addFormatToken('s', ['ss', 2], 0, 'second'); - - // ALIASES - - addUnitAlias('second', 's'); - - // PRIORITY - - addUnitPriority('second', 15); - - // PARSING - - addRegexToken('s', match1to2); - addRegexToken('ss', match1to2, match2); - addParseToken(['s', 'ss'], SECOND); - - // MOMENTS - - var getSetSecond = makeGetSet('Seconds', false); - - // FORMATTING - - addFormatToken('S', 0, 0, function () { - return ~~(this.millisecond() / 100); - }); - - addFormatToken(0, ['SS', 2], 0, function () { - return ~~(this.millisecond() / 10); - }); - - addFormatToken(0, ['SSS', 3], 0, 'millisecond'); - addFormatToken(0, ['SSSS', 4], 0, function () { - return this.millisecond() * 10; - }); - addFormatToken(0, ['SSSSS', 5], 0, function () { - return this.millisecond() * 100; - }); - addFormatToken(0, ['SSSSSS', 6], 0, function () { - return this.millisecond() * 1000; - }); - addFormatToken(0, ['SSSSSSS', 7], 0, function () { - return this.millisecond() * 10000; - }); - addFormatToken(0, ['SSSSSSSS', 8], 0, function () { - return this.millisecond() * 100000; - }); - addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { - return this.millisecond() * 1000000; - }); - - - // ALIASES - - addUnitAlias('millisecond', 'ms'); - - // PRIORITY - - addUnitPriority('millisecond', 16); - - // PARSING - - addRegexToken('S', match1to3, match1); - addRegexToken('SS', match1to3, match2); - addRegexToken('SSS', match1to3, match3); - - var token; - for (token = 'SSSS'; token.length <= 9; token += 'S') { - addRegexToken(token, matchUnsigned); - } - - function parseMs(input, array) { - array[MILLISECOND] = toInt(('0.' + input) * 1000); - } - - for (token = 'S'; token.length <= 9; token += 'S') { - addParseToken(token, parseMs); - } - // MOMENTS - - var getSetMillisecond = makeGetSet('Milliseconds', false); - - // FORMATTING - - addFormatToken('z', 0, 0, 'zoneAbbr'); - addFormatToken('zz', 0, 0, 'zoneName'); - - // MOMENTS - - function getZoneAbbr () { - return this._isUTC ? 'UTC' : ''; - } - - function getZoneName () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - } - - var proto = Moment.prototype; - - proto.add = add; - proto.calendar = calendar$1; - proto.clone = clone; - proto.diff = diff; - proto.endOf = endOf; - proto.format = format; - proto.from = from; - proto.fromNow = fromNow; - proto.to = to; - proto.toNow = toNow; - proto.get = stringGet; - proto.invalidAt = invalidAt; - proto.isAfter = isAfter; - proto.isBefore = isBefore; - proto.isBetween = isBetween; - proto.isSame = isSame; - proto.isSameOrAfter = isSameOrAfter; - proto.isSameOrBefore = isSameOrBefore; - proto.isValid = isValid$2; - proto.lang = lang; - proto.locale = locale; - proto.localeData = localeData; - proto.max = prototypeMax; - proto.min = prototypeMin; - proto.parsingFlags = parsingFlags; - proto.set = stringSet; - proto.startOf = startOf; - proto.subtract = subtract; - proto.toArray = toArray; - proto.toObject = toObject; - proto.toDate = toDate; - proto.toISOString = toISOString; - proto.inspect = inspect; - proto.toJSON = toJSON; - proto.toString = toString; - proto.unix = unix; - proto.valueOf = valueOf; - proto.creationData = creationData; - proto.year = getSetYear; - proto.isLeapYear = getIsLeapYear; - proto.weekYear = getSetWeekYear; - proto.isoWeekYear = getSetISOWeekYear; - proto.quarter = proto.quarters = getSetQuarter; - proto.month = getSetMonth; - proto.daysInMonth = getDaysInMonth; - proto.week = proto.weeks = getSetWeek; - proto.isoWeek = proto.isoWeeks = getSetISOWeek; - proto.weeksInYear = getWeeksInYear; - proto.isoWeeksInYear = getISOWeeksInYear; - proto.date = getSetDayOfMonth; - proto.day = proto.days = getSetDayOfWeek; - proto.weekday = getSetLocaleDayOfWeek; - proto.isoWeekday = getSetISODayOfWeek; - proto.dayOfYear = getSetDayOfYear; - proto.hour = proto.hours = getSetHour; - proto.minute = proto.minutes = getSetMinute; - proto.second = proto.seconds = getSetSecond; - proto.millisecond = proto.milliseconds = getSetMillisecond; - proto.utcOffset = getSetOffset; - proto.utc = setOffsetToUTC; - proto.local = setOffsetToLocal; - proto.parseZone = setOffsetToParsedOffset; - proto.hasAlignedHourOffset = hasAlignedHourOffset; - proto.isDST = isDaylightSavingTime; - proto.isLocal = isLocal; - proto.isUtcOffset = isUtcOffset; - proto.isUtc = isUtc; - proto.isUTC = isUtc; - proto.zoneAbbr = getZoneAbbr; - proto.zoneName = getZoneName; - proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); - proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); - proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); - proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); - proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); - - function createUnix (input) { - return createLocal(input * 1000); - } - - function createInZone () { - return createLocal.apply(null, arguments).parseZone(); - } - - function preParsePostFormat (string) { - return string; - } - - var proto$1 = Locale.prototype; - - proto$1.calendar = calendar; - proto$1.longDateFormat = longDateFormat; - proto$1.invalidDate = invalidDate; - proto$1.ordinal = ordinal; - proto$1.preparse = preParsePostFormat; - proto$1.postformat = preParsePostFormat; - proto$1.relativeTime = relativeTime; - proto$1.pastFuture = pastFuture; - proto$1.set = set; - - proto$1.months = localeMonths; - proto$1.monthsShort = localeMonthsShort; - proto$1.monthsParse = localeMonthsParse; - proto$1.monthsRegex = monthsRegex; - proto$1.monthsShortRegex = monthsShortRegex; - proto$1.week = localeWeek; - proto$1.firstDayOfYear = localeFirstDayOfYear; - proto$1.firstDayOfWeek = localeFirstDayOfWeek; - - proto$1.weekdays = localeWeekdays; - proto$1.weekdaysMin = localeWeekdaysMin; - proto$1.weekdaysShort = localeWeekdaysShort; - proto$1.weekdaysParse = localeWeekdaysParse; - - proto$1.weekdaysRegex = weekdaysRegex; - proto$1.weekdaysShortRegex = weekdaysShortRegex; - proto$1.weekdaysMinRegex = weekdaysMinRegex; - - proto$1.isPM = localeIsPM; - proto$1.meridiem = localeMeridiem; - - function get$1 (format, index, field, setter) { - var locale = getLocale(); - var utc = createUTC().set(setter, index); - return locale[field](utc, format); - } - - function listMonthsImpl (format, index, field) { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - - if (index != null) { - return get$1(format, index, field, 'month'); - } - - var i; - var out = []; - for (i = 0; i < 12; i++) { - out[i] = get$1(format, i, field, 'month'); - } - return out; - } - - // () - // (5) - // (fmt, 5) - // (fmt) - // (true) - // (true, 5) - // (true, fmt, 5) - // (true, fmt) - function listWeekdaysImpl (localeSorted, format, index, field) { - if (typeof localeSorted === 'boolean') { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } else { - format = localeSorted; - index = format; - localeSorted = false; - - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } - - var locale = getLocale(), - shift = localeSorted ? locale._week.dow : 0; - - if (index != null) { - return get$1(format, (index + shift) % 7, field, 'day'); - } - - var i; - var out = []; - for (i = 0; i < 7; i++) { - out[i] = get$1(format, (i + shift) % 7, field, 'day'); - } - return out; - } - - function listMonths (format, index) { - return listMonthsImpl(format, index, 'months'); - } - - function listMonthsShort (format, index) { - return listMonthsImpl(format, index, 'monthsShort'); - } - - function listWeekdays (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); - } - - function listWeekdaysShort (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); - } - - function listWeekdaysMin (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); - } - - getSetGlobalLocale('en', { - dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, - ordinal : function (number) { - var b = number % 10, - output = (toInt(number % 100 / 10) === 1) ? 'th' : - (b === 1) ? 'st' : - (b === 2) ? 'nd' : - (b === 3) ? 'rd' : 'th'; - return number + output; - } - }); - - // Side effect imports - - hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); - hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); - - var mathAbs = Math.abs; - - function abs () { - var data = this._data; - - this._milliseconds = mathAbs(this._milliseconds); - this._days = mathAbs(this._days); - this._months = mathAbs(this._months); - - data.milliseconds = mathAbs(data.milliseconds); - data.seconds = mathAbs(data.seconds); - data.minutes = mathAbs(data.minutes); - data.hours = mathAbs(data.hours); - data.months = mathAbs(data.months); - data.years = mathAbs(data.years); - - return this; - } - - function addSubtract$1 (duration, input, value, direction) { - var other = createDuration(input, value); - - duration._milliseconds += direction * other._milliseconds; - duration._days += direction * other._days; - duration._months += direction * other._months; - - return duration._bubble(); - } - - // supports only 2.0-style add(1, 's') or add(duration) - function add$1 (input, value) { - return addSubtract$1(this, input, value, 1); - } - - // supports only 2.0-style subtract(1, 's') or subtract(duration) - function subtract$1 (input, value) { - return addSubtract$1(this, input, value, -1); - } - - function absCeil (number) { - if (number < 0) { - return Math.floor(number); - } else { - return Math.ceil(number); - } - } - - function bubble () { - var milliseconds = this._milliseconds; - var days = this._days; - var months = this._months; - var data = this._data; - var seconds, minutes, hours, years, monthsFromDays; - - // if we have a mix of positive and negative values, bubble down first - // check: https://github.com/moment/moment/issues/2166 - if (!((milliseconds >= 0 && days >= 0 && months >= 0) || - (milliseconds <= 0 && days <= 0 && months <= 0))) { - milliseconds += absCeil(monthsToDays(months) + days) * 864e5; - days = 0; - months = 0; - } - - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; - - seconds = absFloor(milliseconds / 1000); - data.seconds = seconds % 60; - - minutes = absFloor(seconds / 60); - data.minutes = minutes % 60; - - hours = absFloor(minutes / 60); - data.hours = hours % 24; - - days += absFloor(hours / 24); - - // convert days to months - monthsFromDays = absFloor(daysToMonths(days)); - months += monthsFromDays; - days -= absCeil(monthsToDays(monthsFromDays)); - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - data.days = days; - data.months = months; - data.years = years; - - return this; - } - - function daysToMonths (days) { - // 400 years have 146097 days (taking into account leap year rules) - // 400 years have 12 months === 4800 - return days * 4800 / 146097; - } - - function monthsToDays (months) { - // the reverse of daysToMonths - return months * 146097 / 4800; - } - - function as (units) { - if (!this.isValid()) { - return NaN; - } - var days; - var months; - var milliseconds = this._milliseconds; - - units = normalizeUnits(units); - - if (units === 'month' || units === 'quarter' || units === 'year') { - days = this._days + milliseconds / 864e5; - months = this._months + daysToMonths(days); - switch (units) { - case 'month': return months; - case 'quarter': return months / 3; - case 'year': return months / 12; - } - } else { - // handle milliseconds separately because of floating point math errors (issue #1867) - days = this._days + Math.round(monthsToDays(this._months)); - switch (units) { - case 'week' : return days / 7 + milliseconds / 6048e5; - case 'day' : return days + milliseconds / 864e5; - case 'hour' : return days * 24 + milliseconds / 36e5; - case 'minute' : return days * 1440 + milliseconds / 6e4; - case 'second' : return days * 86400 + milliseconds / 1000; - // Math.floor prevents floating point math errors here - case 'millisecond': return Math.floor(days * 864e5) + milliseconds; - default: throw new Error('Unknown unit ' + units); - } - } - } - - // TODO: Use this.as('ms')? - function valueOf$1 () { - if (!this.isValid()) { - return NaN; - } - return ( - this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6 - ); - } - - function makeAs (alias) { - return function () { - return this.as(alias); - }; - } - - var asMilliseconds = makeAs('ms'); - var asSeconds = makeAs('s'); - var asMinutes = makeAs('m'); - var asHours = makeAs('h'); - var asDays = makeAs('d'); - var asWeeks = makeAs('w'); - var asMonths = makeAs('M'); - var asQuarters = makeAs('Q'); - var asYears = makeAs('y'); - - function clone$1 () { - return createDuration(this); - } - - function get$2 (units) { - units = normalizeUnits(units); - return this.isValid() ? this[units + 's']() : NaN; - } - - function makeGetter(name) { - return function () { - return this.isValid() ? this._data[name] : NaN; - }; - } - - var milliseconds = makeGetter('milliseconds'); - var seconds = makeGetter('seconds'); - var minutes = makeGetter('minutes'); - var hours = makeGetter('hours'); - var days = makeGetter('days'); - var months = makeGetter('months'); - var years = makeGetter('years'); - - function weeks () { - return absFloor(this.days() / 7); - } - - var round = Math.round; - var thresholds = { - ss: 44, // a few seconds to seconds - s : 45, // seconds to minute - m : 45, // minutes to hour - h : 22, // hours to day - d : 26, // days to month - M : 11 // months to year - }; - - // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize - function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { - return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); - } - - function relativeTime$1 (posNegDuration, withoutSuffix, locale) { - var duration = createDuration(posNegDuration).abs(); - var seconds = round(duration.as('s')); - var minutes = round(duration.as('m')); - var hours = round(duration.as('h')); - var days = round(duration.as('d')); - var months = round(duration.as('M')); - var years = round(duration.as('y')); - - var a = seconds <= thresholds.ss && ['s', seconds] || - seconds < thresholds.s && ['ss', seconds] || - minutes <= 1 && ['m'] || - minutes < thresholds.m && ['mm', minutes] || - hours <= 1 && ['h'] || - hours < thresholds.h && ['hh', hours] || - days <= 1 && ['d'] || - days < thresholds.d && ['dd', days] || - months <= 1 && ['M'] || - months < thresholds.M && ['MM', months] || - years <= 1 && ['y'] || ['yy', years]; - - a[2] = withoutSuffix; - a[3] = +posNegDuration > 0; - a[4] = locale; - return substituteTimeAgo.apply(null, a); - } - - // This function allows you to set the rounding function for relative time strings - function getSetRelativeTimeRounding (roundingFunction) { - if (roundingFunction === undefined) { - return round; - } - if (typeof(roundingFunction) === 'function') { - round = roundingFunction; - return true; - } - return false; - } - - // This function allows you to set a threshold for relative time strings - function getSetRelativeTimeThreshold (threshold, limit) { - if (thresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return thresholds[threshold]; - } - thresholds[threshold] = limit; - if (threshold === 's') { - thresholds.ss = limit - 1; - } - return true; - } - - function humanize (withSuffix) { - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var locale = this.localeData(); - var output = relativeTime$1(this, !withSuffix, locale); - - if (withSuffix) { - output = locale.pastFuture(+this, output); - } - - return locale.postformat(output); - } - - var abs$1 = Math.abs; - - function sign(x) { - return ((x > 0) - (x < 0)) || +x; - } - - function toISOString$1() { - // for ISO strings we do not use the normal bubbling rules: - // * milliseconds bubble up until they become hours - // * days do not bubble at all - // * months bubble up until they become years - // This is because there is no context-free conversion between hours and days - // (think of clock changes) - // and also not between days and months (28-31 days per month) - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var seconds = abs$1(this._milliseconds) / 1000; - var days = abs$1(this._days); - var months = abs$1(this._months); - var minutes, hours, years; - - // 3600 seconds -> 60 minutes -> 1 hour - minutes = absFloor(seconds / 60); - hours = absFloor(minutes / 60); - seconds %= 60; - minutes %= 60; - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var Y = years; - var M = months; - var D = days; - var h = hours; - var m = minutes; - var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; - var total = this.asSeconds(); - - if (!total) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } - - var totalSign = total < 0 ? '-' : ''; - var ymSign = sign(this._months) !== sign(total) ? '-' : ''; - var daysSign = sign(this._days) !== sign(total) ? '-' : ''; - var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; - - return totalSign + 'P' + - (Y ? ymSign + Y + 'Y' : '') + - (M ? ymSign + M + 'M' : '') + - (D ? daysSign + D + 'D' : '') + - ((h || m || s) ? 'T' : '') + - (h ? hmsSign + h + 'H' : '') + - (m ? hmsSign + m + 'M' : '') + - (s ? hmsSign + s + 'S' : ''); - } - - var proto$2 = Duration.prototype; - - proto$2.isValid = isValid$1; - proto$2.abs = abs; - proto$2.add = add$1; - proto$2.subtract = subtract$1; - proto$2.as = as; - proto$2.asMilliseconds = asMilliseconds; - proto$2.asSeconds = asSeconds; - proto$2.asMinutes = asMinutes; - proto$2.asHours = asHours; - proto$2.asDays = asDays; - proto$2.asWeeks = asWeeks; - proto$2.asMonths = asMonths; - proto$2.asQuarters = asQuarters; - proto$2.asYears = asYears; - proto$2.valueOf = valueOf$1; - proto$2._bubble = bubble; - proto$2.clone = clone$1; - proto$2.get = get$2; - proto$2.milliseconds = milliseconds; - proto$2.seconds = seconds; - proto$2.minutes = minutes; - proto$2.hours = hours; - proto$2.days = days; - proto$2.weeks = weeks; - proto$2.months = months; - proto$2.years = years; - proto$2.humanize = humanize; - proto$2.toISOString = toISOString$1; - proto$2.toString = toISOString$1; - proto$2.toJSON = toISOString$1; - proto$2.locale = locale; - proto$2.localeData = localeData; - - proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); - proto$2.lang = lang; - - // Side effect imports - - // FORMATTING - - addFormatToken('X', 0, 0, 'unix'); - addFormatToken('x', 0, 0, 'valueOf'); - - // PARSING - - addRegexToken('x', matchSigned); - addRegexToken('X', matchTimestamp); - addParseToken('X', function (input, array, config) { - config._d = new Date(parseFloat(input, 10) * 1000); - }); - addParseToken('x', function (input, array, config) { - config._d = new Date(toInt(input)); - }); - - // Side effect imports - - - hooks.version = '2.24.0'; - - setHookCallback(createLocal); - - hooks.fn = proto; - hooks.min = min; - hooks.max = max; - hooks.now = now; - hooks.utc = createUTC; - hooks.unix = createUnix; - hooks.months = listMonths; - hooks.isDate = isDate; - hooks.locale = getSetGlobalLocale; - hooks.invalid = createInvalid; - hooks.duration = createDuration; - hooks.isMoment = isMoment; - hooks.weekdays = listWeekdays; - hooks.parseZone = createInZone; - hooks.localeData = getLocale; - hooks.isDuration = isDuration; - hooks.monthsShort = listMonthsShort; - hooks.weekdaysMin = listWeekdaysMin; - hooks.defineLocale = defineLocale; - hooks.updateLocale = updateLocale; - hooks.locales = listLocales; - hooks.weekdaysShort = listWeekdaysShort; - hooks.normalizeUnits = normalizeUnits; - hooks.relativeTimeRounding = getSetRelativeTimeRounding; - hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; - hooks.calendarFormat = getCalendarFormat; - hooks.prototype = proto; - - // currently HTML5 input type only supports 24-hour formats - hooks.HTML5_FMT = { - DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // - DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // - DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // - DATE: 'YYYY-MM-DD', // - TIME: 'HH:mm', // - TIME_SECONDS: 'HH:mm:ss', // - TIME_MS: 'HH:mm:ss.SSS', // - WEEK: 'GGGG-[W]WW', // - MONTH: 'YYYY-MM' // - }; - - return hooks; - -}))); -}); - -var FORMATS = { - datetime: 'MMM D, YYYY, h:mm:ss a', - millisecond: 'h:mm:ss.SSS a', - second: 'h:mm:ss a', - minute: 'h:mm a', - hour: 'hA', - day: 'MMM D', - week: 'll', - month: 'MMM YYYY', - quarter: '[Q]Q - YYYY', - year: 'YYYY' -}; - -core_adapters._date.override(typeof moment === 'function' ? { - _id: 'moment', // DEBUG ONLY - - formats: function() { - return FORMATS; - }, - - parse: function(value, format) { - if (typeof value === 'string' && typeof format === 'string') { - value = moment(value, format); - } else if (!(value instanceof moment)) { - value = moment(value); - } - return value.isValid() ? value.valueOf() : null; - }, - - format: function(time, format) { - return moment(time).format(format); - }, - - add: function(time, amount, unit) { - return moment(time).add(amount, unit).valueOf(); - }, - - diff: function(max, min, unit) { - return moment.duration(moment(max).diff(moment(min))).as(unit); - }, - - startOf: function(time, unit, weekday) { - time = moment(time); - if (unit === 'isoWeek') { - return time.isoWeekday(weekday).valueOf(); - } - return time.startOf(unit).valueOf(); - }, - - endOf: function(time, unit) { - return moment(time).endOf(unit).valueOf(); - }, - - // DEPRECATIONS - - /** - * Provided for backward compatibility with scale.getValueForPixel(). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(time) { - return moment(time); - }, -} : {}); - -core_defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } -}); - -var mappers = { - dataset: function(source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function(point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function(source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - return function(point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } -}; - -// @todo if (fill[0] === '#') -function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } -} - -function computeBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; - - if (isFinite(fill)) { - return null; - } - - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). - - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePosition) { - target = scale.getBasePosition(); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } - - if (helpers$1.isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } - - return null; -} - -function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; - - if (!propagate) { - return fill; - } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; - } - - return false; -} - -function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; - - if (fill === false) { - return null; - } - - if (!isFinite(fill)) { - type = 'boundary'; - } - - return mappers[type](source); -} - -function isDrawable(point) { - return point && !point.skip; -} - -function drawArea(ctx, curve0, curve1, len0, len1) { - var i; - - if (!len0 || !len1) { - return; - } - - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); - } -} - -function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1; - - ctx.beginPath(); - - for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); -} - -var plugin_filler = { - id: 'filler', - - afterDatasetsUpdate: function(chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetDraw: function(chart, args) { - var meta = args.meta.$filler; - if (!meta) { - return; - } - - var ctx = chart.ctx; - var el = meta.el; - var view = el._view; - var points = el._children || []; - var mapper = meta.mapper; - var color = view.backgroundColor || core_defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers$1.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers$1.canvas.unclipArea(ctx); - } - } -}; - -var noop$1 = helpers$1.noop; -var valueOrDefault$d = helpers$1.valueOrDefault; - -core_defaults._set('global', { - legend: { - display: true, - position: 'top', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function(e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - onLeave: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function(chart) { - var data = chart.data; - return helpers$1.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { - return { - text: dataset.label, - fillStyle: (!helpers$1.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), - hidden: !chart.isDatasetVisible(i), - lineCap: dataset.borderCapStyle, - lineDash: dataset.borderDash, - lineDashOffset: dataset.borderDashOffset, - lineJoin: dataset.borderJoinStyle, - lineWidth: dataset.borderWidth, - strokeStyle: dataset.borderColor, - pointStyle: dataset.pointStyle, - - // Below is extra data used for toggling the datasets - datasetIndex: i - }; - }, this) : []; - } - } - }, - - legendCallback: function(chart) { - var text = []; - text.push('
      '); - for (var i = 0; i < chart.data.datasets.length; i++) { - text.push('
    • '); - if (chart.data.datasets[i].label) { - text.push(chart.data.datasets[i].label); - } - text.push('
    • '); - } - text.push('
    '); - return text.join(''); - } -}); - -/** - * Helper function to get the box width based on the usePointStyle option - * @param {object} labelopts - the label options on the legend - * @param {number} fontSize - the label font size - * @return {number} width of the color box area - */ -function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ? - fontSize : - labelOpts.boxWidth; -} - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Legend = core_element.extend({ - - initialize: function(config) { - helpers$1.extend(this, config); - - // Contains hit boxes for each dataset (in dataset order) - this.legendHitBoxes = []; - - /** - * @private - */ - this._hoveredItem = null; - - // Are we in doughnut mode which has a different data type - this.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop$1, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop$1, - - // - - beforeSetDimensions: noop$1, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$1, - - // - - beforeBuildLabels: noop$1, - buildLabels: function() { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function(item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop$1, - - // - - beforeFit: noop$1, - fit: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (display) { - ctx.font = labelFont.string; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (i === 0 || lineWidths[lineWidths.length - 1] + width + labelOpts.padding > minSize.width) { - totalHeight += fontSize + labelOpts.padding; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = labelOpts.padding; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - var itemHeight = fontSize + vPadding; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (i > 0 && currentColHeight + itemHeight > minSize.height - vPadding) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - minSize.width += totalWidth; - } - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop$1, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; - var lineDefault = globalDefaults.elements.line; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (opts.display) { - var ctx = me.ctx; - var fontColor = valueOrDefault$d(labelOpts.fontColor, globalDefaults.defaultFontColor); - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - var cursor; - - // Canvas setup - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont.string; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - var lineWidth = valueOrDefault$d(legendItem.lineWidth, lineDefault.borderWidth); - ctx.fillStyle = valueOrDefault$d(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault$d(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault$d(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault$d(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault$d(legendItem.strokeStyle, defaultColor); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault$d(legendItem.lineDash, lineDefault.borderDash)); - } - - if (opts.labels && opts.labels.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = boxWidth * Math.SQRT2 / 2; - var centerX = x + boxWidth / 2; - var centerY = y + fontSize / 2; - - // Draw pointStyle as legend symbol - helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); - } else { - // Draw box as legend symbol - if (lineWidth !== 0) { - ctx.strokeRect(x, y, boxWidth, fontSize); - } - ctx.fillRect(x, y, boxWidth, fontSize); - } - - ctx.restore(); - }; - var fillText = function(x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = boxWidth + halfFontSize + x; - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(xLeft + textWidth, yMiddle); - ctx.stroke(); - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + ((legendWidth - lineWidths[0]) / 2) + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } - - var itemHeight = fontSize + labelOpts.padding; - helpers$1.each(me.legendItems, function(legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - // Use (me.left + me.minSize.width) and (me.top + me.minSize.height) - // instead of me.right and me.bottom because me.width and me.height - // may have been changed since me.minSize was calculated - if (isHorizontal) { - if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2) + labelOpts.padding; - } - } else if (i > 0 && y + itemHeight > me.top + me.minSize.height) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - y = cursor.y = me.top + labelOpts.padding; - cursor.line++; - } - - drawLegendBox(x, y, legendItem); - - hitboxes[i].left = x; - hitboxes[i].top = y; - - // Fill the actual label - fillText(x, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + labelOpts.padding; - } else { - cursor.y += itemHeight; - } - - }); - } - }, - - /** - * @private - */ - _getLegendItemAt: function(x, y) { - var me = this; - var i, hitBox, lh; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - return me.legendItems[i]; - } - } - } - - return null; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - */ - handleEvent: function(e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var hoveredItem; - - if (type === 'mousemove') { - if (!opts.onHover && !opts.onLeave) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - hoveredItem = me._getLegendItemAt(e.x, e.y); - - if (type === 'click') { - if (hoveredItem && opts.onClick) { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, hoveredItem); - } - } else { - if (opts.onLeave && hoveredItem !== me._hoveredItem) { - if (me._hoveredItem) { - opts.onLeave.call(me, e.native, me._hoveredItem); - } - me._hoveredItem = hoveredItem; - } - - if (opts.onHover && hoveredItem) { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, hoveredItem); - } - } - } -}); - -function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - core_layouts.configure(chart, legend, legendOpts); - core_layouts.addBox(chart, legend); - chart.legend = legend; -} - -var plugin_legend = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function(chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function(chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers$1.mergeIf(legendOpts, core_defaults.global.legend); - - if (legend) { - core_layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - core_layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function(chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } -}; - -var noop$2 = helpers$1.noop; - -core_defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } -}); - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Title = core_element.extend({ - initialize: function(config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop$2, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop$2, - - // - - beforeSetDimensions: noop$2, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$2, - - // - - beforeBuildLabels: noop$2, - buildLabels: noop$2, - afterBuildLabels: noop$2, - - // - - beforeFit: noop$2, - fit: function() { - var me = this; - var opts = me.options; - var display = opts.display; - var minSize = me.minSize; - var lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1; - var fontOpts = helpers$1.options._parseFont(opts); - var textSize = display ? (lineCount * fontOpts.lineHeight) + (opts.padding * 2) : 0; - - if (me.isHorizontal()) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = textSize; - } else { - minSize.width = textSize; - minSize.height = me.maxHeight; // fill all the height - } - - me.width = minSize.width; - me.height = minSize.height; - - }, - afterFit: noop$2, - - // Shared Methods - isHorizontal: function() { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function() { - var me = this; - var ctx = me.ctx; - var opts = me.options; - - if (opts.display) { - var fontOpts = helpers$1.options._parseFont(opts); - var lineHeight = fontOpts.lineHeight; - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour - ctx.font = fontOpts.string; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers$1.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - } -}); - -function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - core_layouts.configure(chart, title, titleOpts); - core_layouts.addBox(chart, title); - chart.titleBlock = title; -} - -var plugin_title = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function(chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function(chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers$1.mergeIf(titleOpts, core_defaults.global.title); - - if (titleBlock) { - core_layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - core_layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } -}; - -var plugins = {}; -var filler = plugin_filler; -var legend = plugin_legend; -var title = plugin_title; -plugins.filler = filler; -plugins.legend = legend; -plugins.title = title; - -/** - * @namespace Chart - */ - - -core_controller.helpers = helpers$1; - -// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! -core_helpers(core_controller); - -core_controller._adapters = core_adapters; -core_controller.Animation = core_animation; -core_controller.animationService = core_animations; -core_controller.controllers = controllers; -core_controller.DatasetController = core_datasetController; -core_controller.defaults = core_defaults; -core_controller.Element = core_element; -core_controller.elements = elements; -core_controller.Interaction = core_interaction; -core_controller.layouts = core_layouts; -core_controller.platform = platform; -core_controller.plugins = core_plugins; -core_controller.Scale = core_scale; -core_controller.scaleService = core_scaleService; -core_controller.Ticks = core_ticks; -core_controller.Tooltip = core_tooltip; - -// Register built-in scales - -core_controller.helpers.each(scales, function(scale, type) { - core_controller.scaleService.registerScaleType(type, scale, scale._defaults); -}); - -// Load to register built-in adapters (as side effects) - - -// Loading built-in plugins - -for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - core_controller.plugins.register(plugins[k]); - } -} - -core_controller.platform.initialize(); - -var src = core_controller; -if (typeof window !== 'undefined') { - window.Chart = core_controller; -} - -// DEPRECATIONS - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Chart - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -core_controller.Chart = core_controller; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Legend = plugins.legend._element; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Title = plugins.title._element; - -/** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.pluginService = core_controller.plugins; - -/** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ -core_controller.PluginBase = core_controller.Element.extend({}); - -/** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -core_controller.canvasHelpers = core_controller.helpers.canvas; - -/** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.7.3 - * @todo remove at version 3 - * @private - */ -core_controller.layoutService = core_controller.layouts; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.LinearScaleBase - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -core_controller.LinearScaleBase = scale_linearbase; - -/** - * Provided for backward compatibility, instead we should create a new Chart - * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ -core_controller.helpers.each( - [ - 'Bar', - 'Bubble', - 'Doughnut', - 'Line', - 'PolarArea', - 'Radar', - 'Scatter' - ], - function(klass) { - core_controller[klass] = function(ctx, cfg) { - return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, { - type: klass.charAt(0).toLowerCase() + klass.slice(1) - })); - }; - } -); - -return src; - -}))); diff --git a/GWMS.UI/wwwroot/Chart.js/Chart.bundle.min.js b/GWMS.UI/wwwroot/Chart.js/Chart.bundle.min.js deleted file mode 100644 index 0bf9ea9..0000000 --- a/GWMS.UI/wwwroot/Chart.js/Chart.bundle.min.js +++ /dev/null @@ -1,7 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.Chart=e()}(this,function(){"use strict";var t={rgb2hsl:e,rgb2hsv:i,rgb2hwb:n,rgb2cmyk:a,rgb2keyword:o,rgb2xyz:s,rgb2lab:l,rgb2lch:function(t){return v(l(t))},hsl2rgb:u,hsl2hsv:function(t){var 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t=this.options,e=t.scales||{},i=t.scale;ut.each(e.xAxes,function(t,e){t.id=t.id||"x-axis-"+e}),ut.each(e.yAxes,function(t,e){t.id=t.id||"y-axis-"+e}),i&&(i.id=i.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,i=t.scales||{},n=[],a=Object.keys(i).reduce(function(t,e){return t[e]=!1,t},{});e.scales&&(n=n.concat((e.scales.xAxes||[]).map(function(t){return{options:t,dtype:"category",dposition:"bottom"}}),(e.scales.yAxes||[]).map(function(t){return{options:t,dtype:"linear",dposition:"left"}}))),e.scale&&n.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),ut.each(n,function(e){var n=e.options,r=n.id,o=Qe(n.type,e.dtype);ii(n.position)!==ii(e.dposition)&&(n.position=e.dposition),a[r]=!0;var s=null;if(r in i&&i[r].type===o)(s=i[r]).options=n,s.ctx=t.ctx,s.chart=t;else{var l=Ee.getScaleConstructor(o);if(!l)return;s=new 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t=0,e=0,i=this.data.datasets.length;e3?i[2]-i[1]:i[1]-i[0];Math.abs(n)>1&&t!==Math.floor(t)&&(n=t-Math.floor(t));var a=ut.log10(Math.abs(n)),r="";if(0!==t)if(Math.max(Math.abs(i[0]),Math.abs(i[i.length-1]))<1e-4){var o=ut.log10(Math.abs(t));r=t.toExponential(Math.floor(o)-Math.floor(a))}else{var s=-1*Math.floor(a);s=Math.max(Math.min(s,20),0),r=t.toFixed(s)}else r="0";return r},logarithmic:function(t,e,i){var n=t/Math.pow(10,Math.floor(ut.log10(t)));return 0===t?"0":1===n||2===n||5===n||0===e||e===i.length-1?t.toExponential():""}}},ui=ut.valueOrDefault,di=ut.valueAtIndexOrDefault;function hi(t){var e,i,n=[];for(e=0,i=t.length;eu&&rt.maxHeight){r--;break}r++,l=o*s}t.labelRotation=r},afterCalculateTickRotation:function(){ut.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){ut.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},i=hi(t._ticks),n=t.options,a=n.ticks,r=n.scaleLabel,o=n.gridLines,s=t._isVisible(),l=n.position,u=t.isHorizontal(),d=ut.options._parseFont,h=d(a),c=n.gridLines.tickMarkLength;if(e.width=u?t.isFullWidth()?t.maxWidth-t.margins.left-t.margins.right:t.maxWidth:s&&o.drawTicks?c:0,e.height=u?s&&o.drawTicks?c:0:t.maxHeight,r.display&&s){var f=d(r),g=ut.options.toPadding(r.padding),m=f.lineHeight+g.height;u?e.height+=m:e.width+=m}if(a.display&&s){var p=ut.longestText(t.ctx,h.string,i,t.longestTextCache),v=ut.numberOfLabelLines(i),y=.5*h.size,b=t.options.ticks.padding;if(t._maxLabelLines=v,t.longestLabelWidth=p,u){var x=ut.toRadians(t.labelRotation),_=Math.cos(x),k=Math.sin(x)*p+h.lineHeight*v+y;e.height=Math.min(t.maxHeight,e.height+k+b),t.ctx.font=h.string;var 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t=this;yi.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,i,n,a=ut.options._parseFont(t.options.pointLabels),r={l:0,r:t.width,t:0,b:t.height-t.paddingTop},o={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,u,d=Ii(t);for(e=0;er.r&&(r.r=f.end,o.r=h),g.startr.b&&(r.b=g.end,o.b=h)}t.setReductions(t.drawingArea,r,o)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,i){var n=this,a=e.l/Math.sin(i.l),r=Math.max(e.r-n.width,0)/Math.sin(i.r),o=-e.t/Math.cos(i.t),s=-Math.max(e.b-(n.height-n.paddingTop),0)/Math.cos(i.b);a=Yi(a),r=Yi(r),o=Yi(o),s=Yi(s),n.drawingArea=Math.min(Math.floor(t-(a+r)/2),Math.floor(t-(o+s)/2)),n.setCenterPoint(a,r,o,s)},setCenterPoint:function(t,e,i,n){var a=this,r=a.width-e-a.drawingArea,o=t+a.drawingArea,s=i+a.drawingArea,l=a.height-a.paddingTop-n-a.drawingArea;a.xCenter=Math.floor((o+r)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){return t*(2*Math.PI/Ii(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(null===t)return 0;var i=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*i:(t-e.min)*i},getPointPosition:function(t,e){var i=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(i)*e+this.xCenter,y:Math.sin(i)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(){var t=this.min,e=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0)},draw:function(){var t=this,e=t.options,i=e.gridLines,n=e.ticks;if(e.display){var a=t.ctx,r=this.getIndexAngle(0),o=ut.options._parseFont(n);(e.angleLines.display||e.pointLabels.display)&&function(t){var e=t.ctx,i=t.options,n=i.angleLines,a=i.gridLines,r=i.pointLabels,o=Ci(n.lineWidth,a.lineWidth),s=Ci(n.color,a.color),l=Ai(i);e.save(),e.lineWidth=o,e.strokeStyle=s,e.setLineDash&&(e.setLineDash(Ti([n.borderDash,a.borderDash,[]])),e.lineDashOffset=Ti([n.borderDashOffset,a.borderDashOffset,0]));var u=t.getDistanceFromCenterForValue(i.ticks.reverse?t.min:t.max),d=ut.options._parseFont(r);e.font=d.string,e.textBaseline="middle";for(var h=Ii(t)-1;h>=0;h--){if(n.display&&o&&s){var c=t.getPointPosition(h,u);e.beginPath(),e.moveTo(t.xCenter,t.yCenter),e.lineTo(c.x,c.y),e.stroke()}if(r.display){var f=0===h?l/2:0,g=t.getPointPosition(h,u+f+5),m=Pi(r.fontColor,h,ot.global.defaultFontColor);e.fillStyle=m;var 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a/GWMS.UI/wwwroot/Chart.js/Chart.css b/GWMS.UI/wwwroot/Chart.js/Chart.css deleted file mode 100644 index 5e74959..0000000 --- a/GWMS.UI/wwwroot/Chart.js/Chart.css +++ /dev/null @@ -1,47 +0,0 @@ -/* - * DOM element rendering detection - * https://davidwalsh.name/detect-node-insertion - */ -@keyframes chartjs-render-animation { - from { opacity: 0.99; } - to { opacity: 1; } -} - -.chartjs-render-monitor { - animation: chartjs-render-animation 0.001s; -} - -/* - * DOM element resizing detection - * https://github.com/marcj/css-element-queries - */ -.chartjs-size-monitor, -.chartjs-size-monitor-expand, -.chartjs-size-monitor-shrink { - position: absolute; - direction: ltr; - left: 0; - top: 0; - right: 0; - bottom: 0; - overflow: hidden; - pointer-events: none; - visibility: hidden; - z-index: -1; -} - -.chartjs-size-monitor-expand > div { - position: absolute; - width: 1000000px; - height: 1000000px; - left: 0; - top: 0; -} - -.chartjs-size-monitor-shrink > div { - position: absolute; - width: 200%; - height: 200%; - left: 0; - top: 0; -} diff --git a/GWMS.UI/wwwroot/Chart.js/Chart.js b/GWMS.UI/wwwroot/Chart.js/Chart.js deleted file mode 100644 index 6370857..0000000 --- a/GWMS.UI/wwwroot/Chart.js/Chart.js +++ /dev/null @@ -1,14680 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(function() { try { return require('moment'); } catch(e) { } }()) : -typeof define === 'function' && define.amd ? define(['require'], function(require) { return factory(function() { try { return require('moment'); } catch(e) { } }()); }) : -(global.Chart = factory(global.moment)); -}(this, (function (moment) { 'use strict'; - -moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment; - -/* MIT license */ - -var conversions = { - rgb2hsl: rgb2hsl, - rgb2hsv: rgb2hsv, - rgb2hwb: rgb2hwb, - rgb2cmyk: rgb2cmyk, - rgb2keyword: rgb2keyword, - rgb2xyz: rgb2xyz, - rgb2lab: rgb2lab, - rgb2lch: rgb2lch, - - hsl2rgb: hsl2rgb, - hsl2hsv: hsl2hsv, - hsl2hwb: hsl2hwb, - hsl2cmyk: hsl2cmyk, - hsl2keyword: hsl2keyword, - - hsv2rgb: hsv2rgb, - hsv2hsl: hsv2hsl, - hsv2hwb: hsv2hwb, - hsv2cmyk: hsv2cmyk, - hsv2keyword: hsv2keyword, - - hwb2rgb: hwb2rgb, - hwb2hsl: hwb2hsl, - hwb2hsv: hwb2hsv, - hwb2cmyk: hwb2cmyk, - hwb2keyword: hwb2keyword, - - cmyk2rgb: cmyk2rgb, - cmyk2hsl: cmyk2hsl, - cmyk2hsv: cmyk2hsv, - cmyk2hwb: cmyk2hwb, - cmyk2keyword: cmyk2keyword, - - keyword2rgb: keyword2rgb, - keyword2hsl: keyword2hsl, - keyword2hsv: keyword2hsv, - keyword2hwb: keyword2hwb, - keyword2cmyk: keyword2cmyk, - keyword2lab: keyword2lab, - keyword2xyz: keyword2xyz, - - xyz2rgb: xyz2rgb, - xyz2lab: xyz2lab, - xyz2lch: xyz2lch, - - lab2xyz: lab2xyz, - lab2rgb: lab2rgb, - lab2lch: lab2lch, - - lch2lab: lch2lab, - lch2xyz: lch2xyz, - lch2rgb: lch2rgb -}; - - -function rgb2hsl(rgb) { - var r = rgb[0]/255, - g = rgb[1]/255, - b = rgb[2]/255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, l; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g)/ delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - l = (min + max) / 2; - - if (max == min) - s = 0; - else if (l <= 0.5) - s = delta / (max + min); - else - s = delta / (2 - max - min); - - return [h, s * 100, l * 100]; -} - -function rgb2hsv(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, v; - - if (max == 0) - s = 0; - else - s = (delta/max * 1000)/10; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - v = ((max / 255) * 1000) / 10; - - return [h, s, v]; -} - -function rgb2hwb(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - h = rgb2hsl(rgb)[0], - w = 1/255 * Math.min(r, Math.min(g, b)), - b = 1 - 1/255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; -} - -function rgb2cmyk(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - c, m, y, k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - return [c * 100, m * 100, y * 100, k * 100]; -} - -function rgb2keyword(rgb) { - return reverseKeywords[JSON.stringify(rgb)]; -} - -function rgb2xyz(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y *100, z * 100]; -} - -function rgb2lab(rgb) { - var xyz = rgb2xyz(rgb), - x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function rgb2lch(args) { - return lab2lch(rgb2lab(args)); -} - -function hsl2rgb(hsl) { - var h = hsl[0] / 360, - s = hsl[1] / 100, - l = hsl[2] / 100, - t1, t2, t3, rgb, val; - - if (s == 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) - t2 = l * (1 + s); - else - t2 = l + s - l * s; - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * - (i - 1); - t3 < 0 && t3++; - t3 > 1 && t3--; - - if (6 * t3 < 1) - val = t1 + (t2 - t1) * 6 * t3; - else if (2 * t3 < 1) - val = t2; - else if (3 * t3 < 2) - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - else - val = t1; - - rgb[i] = val * 255; - } - - return rgb; -} - -function hsl2hsv(hsl) { - var h = hsl[0], - s = hsl[1] / 100, - l = hsl[2] / 100, - sv, v; - - if(l === 0) { - // no need to do calc on black - // also avoids divide by 0 error - return [0, 0, 0]; - } - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - v = (l + s) / 2; - sv = (2 * s) / (l + s); - return [h, sv * 100, v * 100]; -} - -function hsl2hwb(args) { - return rgb2hwb(hsl2rgb(args)); -} - -function hsl2cmyk(args) { - return rgb2cmyk(hsl2rgb(args)); -} - -function hsl2keyword(args) { - return rgb2keyword(hsl2rgb(args)); -} - - -function hsv2rgb(hsv) { - var h = hsv[0] / 60, - s = hsv[1] / 100, - v = hsv[2] / 100, - hi = Math.floor(h) % 6; - - var f = h - Math.floor(h), - p = 255 * v * (1 - s), - q = 255 * v * (1 - (s * f)), - t = 255 * v * (1 - (s * (1 - f))), - v = 255 * v; - - switch(hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; - } -} - -function hsv2hsl(hsv) { - var h = hsv[0], - s = hsv[1] / 100, - v = hsv[2] / 100, - sl, l; - - l = (2 - s) * v; - sl = s * v; - sl /= (l <= 1) ? l : 2 - l; - sl = sl || 0; - l /= 2; - return [h, sl * 100, l * 100]; -} - -function hsv2hwb(args) { - return rgb2hwb(hsv2rgb(args)) -} - -function hsv2cmyk(args) { - return rgb2cmyk(hsv2rgb(args)); -} - -function hsv2keyword(args) { - return rgb2keyword(hsv2rgb(args)); -} - -// http://dev.w3.org/csswg/css-color/#hwb-to-rgb -function hwb2rgb(hwb) { - var h = hwb[0] / 360, - wh = hwb[1] / 100, - bl = hwb[2] / 100, - ratio = wh + bl, - i, v, f, n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - if ((i & 0x01) != 0) { - f = 1 - f; - } - n = wh + f * (v - wh); // linear interpolation - - switch (i) { - default: - case 6: - case 0: r = v; g = n; b = wh; break; - case 1: r = n; g = v; b = wh; break; - case 2: r = wh; g = v; b = n; break; - case 3: r = wh; g = n; b = v; break; - case 4: r = n; g = wh; b = v; break; - case 5: r = v; g = wh; b = n; break; - } - - return [r * 255, g * 255, b * 255]; -} - -function hwb2hsl(args) { - return rgb2hsl(hwb2rgb(args)); -} - -function hwb2hsv(args) { - return rgb2hsv(hwb2rgb(args)); -} - -function hwb2cmyk(args) { - return rgb2cmyk(hwb2rgb(args)); -} - -function hwb2keyword(args) { - return rgb2keyword(hwb2rgb(args)); -} - -function cmyk2rgb(cmyk) { - var c = cmyk[0] / 100, - m = cmyk[1] / 100, - y = cmyk[2] / 100, - k = cmyk[3] / 100, - r, g, b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - return [r * 255, g * 255, b * 255]; -} - -function cmyk2hsl(args) { - return rgb2hsl(cmyk2rgb(args)); -} - -function cmyk2hsv(args) { - return rgb2hsv(cmyk2rgb(args)); -} - -function cmyk2hwb(args) { - return rgb2hwb(cmyk2rgb(args)); -} - -function cmyk2keyword(args) { - return rgb2keyword(cmyk2rgb(args)); -} - - -function xyz2rgb(xyz) { - var x = xyz[0] / 100, - y = xyz[1] / 100, - z = xyz[2] / 100, - r, g, b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r = (r * 12.92); - - g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g = (g * 12.92); - - b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b = (b * 12.92); - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; -} - -function xyz2lab(xyz) { - var x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function xyz2lch(args) { - return lab2lch(xyz2lab(args)); -} - -function lab2xyz(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - x, y, z, y2; - - if (l <= 8) { - y = (l * 100) / 903.3; - y2 = (7.787 * (y / 100)) + (16 / 116); - } else { - y = 100 * Math.pow((l + 16) / 116, 3); - y2 = Math.pow(y / 100, 1/3); - } - - x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); - - z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); - - return [x, y, z]; -} - -function lab2lch(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - hr, h, c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - if (h < 0) { - h += 360; - } - c = Math.sqrt(a * a + b * b); - return [l, c, h]; -} - -function lab2rgb(args) { - return xyz2rgb(lab2xyz(args)); -} - -function lch2lab(lch) { - var l = lch[0], - c = lch[1], - h = lch[2], - a, b, hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - return [l, a, b]; -} - -function lch2xyz(args) { - return lab2xyz(lch2lab(args)); -} - -function lch2rgb(args) { - return lab2rgb(lch2lab(args)); -} - -function keyword2rgb(keyword) { - return cssKeywords[keyword]; -} - -function keyword2hsl(args) { - return rgb2hsl(keyword2rgb(args)); -} - -function keyword2hsv(args) { - return rgb2hsv(keyword2rgb(args)); -} - -function keyword2hwb(args) { - return rgb2hwb(keyword2rgb(args)); -} - -function keyword2cmyk(args) { - return rgb2cmyk(keyword2rgb(args)); -} - -function keyword2lab(args) { - return rgb2lab(keyword2rgb(args)); -} - -function keyword2xyz(args) { - return rgb2xyz(keyword2rgb(args)); -} - -var cssKeywords = { - aliceblue: [240,248,255], - antiquewhite: [250,235,215], - aqua: [0,255,255], - aquamarine: [127,255,212], - azure: [240,255,255], - beige: [245,245,220], - bisque: [255,228,196], - black: [0,0,0], - blanchedalmond: [255,235,205], - blue: [0,0,255], - blueviolet: [138,43,226], - brown: [165,42,42], - burlywood: [222,184,135], - cadetblue: [95,158,160], - chartreuse: [127,255,0], - chocolate: [210,105,30], - coral: [255,127,80], - cornflowerblue: [100,149,237], - cornsilk: [255,248,220], - crimson: [220,20,60], - cyan: [0,255,255], - darkblue: [0,0,139], - darkcyan: [0,139,139], - darkgoldenrod: [184,134,11], - darkgray: [169,169,169], - darkgreen: [0,100,0], - darkgrey: [169,169,169], - darkkhaki: [189,183,107], - darkmagenta: [139,0,139], - darkolivegreen: [85,107,47], - darkorange: [255,140,0], - darkorchid: [153,50,204], - darkred: [139,0,0], - darksalmon: [233,150,122], - darkseagreen: [143,188,143], - darkslateblue: [72,61,139], - darkslategray: [47,79,79], - darkslategrey: [47,79,79], - darkturquoise: [0,206,209], - darkviolet: [148,0,211], - deeppink: [255,20,147], - deepskyblue: [0,191,255], - dimgray: [105,105,105], - dimgrey: [105,105,105], - dodgerblue: [30,144,255], - firebrick: [178,34,34], - floralwhite: [255,250,240], - forestgreen: [34,139,34], - fuchsia: [255,0,255], - gainsboro: [220,220,220], - ghostwhite: [248,248,255], - gold: [255,215,0], - goldenrod: [218,165,32], - gray: [128,128,128], - green: [0,128,0], - greenyellow: [173,255,47], - grey: [128,128,128], - honeydew: [240,255,240], - hotpink: [255,105,180], - indianred: [205,92,92], - indigo: [75,0,130], - ivory: [255,255,240], - khaki: [240,230,140], - lavender: [230,230,250], - lavenderblush: [255,240,245], - lawngreen: [124,252,0], - lemonchiffon: [255,250,205], - lightblue: [173,216,230], - lightcoral: [240,128,128], - lightcyan: [224,255,255], - lightgoldenrodyellow: [250,250,210], - lightgray: [211,211,211], - lightgreen: [144,238,144], - lightgrey: [211,211,211], - lightpink: [255,182,193], - lightsalmon: [255,160,122], - lightseagreen: [32,178,170], - lightskyblue: [135,206,250], - lightslategray: [119,136,153], - lightslategrey: [119,136,153], - lightsteelblue: [176,196,222], - lightyellow: [255,255,224], - lime: [0,255,0], - limegreen: [50,205,50], - linen: [250,240,230], - magenta: [255,0,255], - maroon: [128,0,0], - mediumaquamarine: [102,205,170], - mediumblue: [0,0,205], - mediumorchid: [186,85,211], - mediumpurple: [147,112,219], - mediumseagreen: [60,179,113], - mediumslateblue: [123,104,238], - mediumspringgreen: [0,250,154], - mediumturquoise: [72,209,204], - mediumvioletred: [199,21,133], - midnightblue: [25,25,112], - mintcream: [245,255,250], - mistyrose: [255,228,225], - moccasin: [255,228,181], - navajowhite: [255,222,173], - navy: [0,0,128], - oldlace: [253,245,230], - olive: [128,128,0], - olivedrab: [107,142,35], - orange: [255,165,0], - orangered: [255,69,0], - orchid: [218,112,214], - palegoldenrod: [238,232,170], - palegreen: [152,251,152], - paleturquoise: [175,238,238], - palevioletred: [219,112,147], - papayawhip: [255,239,213], - peachpuff: [255,218,185], - peru: [205,133,63], - pink: [255,192,203], - plum: [221,160,221], - powderblue: [176,224,230], - purple: [128,0,128], - rebeccapurple: [102, 51, 153], - red: [255,0,0], - rosybrown: [188,143,143], - royalblue: [65,105,225], - saddlebrown: [139,69,19], - salmon: [250,128,114], - sandybrown: [244,164,96], - seagreen: [46,139,87], - seashell: [255,245,238], - sienna: [160,82,45], - silver: [192,192,192], - skyblue: [135,206,235], - slateblue: [106,90,205], - slategray: [112,128,144], - slategrey: [112,128,144], - snow: [255,250,250], - springgreen: [0,255,127], - steelblue: [70,130,180], - tan: [210,180,140], - teal: [0,128,128], - thistle: [216,191,216], - tomato: [255,99,71], - turquoise: [64,224,208], - violet: [238,130,238], - wheat: [245,222,179], - white: [255,255,255], - whitesmoke: [245,245,245], - yellow: [255,255,0], - yellowgreen: [154,205,50] -}; - -var reverseKeywords = {}; -for (var key in cssKeywords) { - reverseKeywords[JSON.stringify(cssKeywords[key])] = key; -} - -var convert = function() { - return new Converter(); -}; - -for (var func in conversions) { - // export Raw versions - convert[func + "Raw"] = (function(func) { - // accept array or plain args - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - return conversions[func](arg); - } - })(func); - - var pair = /(\w+)2(\w+)/.exec(func), - from = pair[1], - to = pair[2]; - - // export rgb2hsl and ["rgb"]["hsl"] - convert[from] = convert[from] || {}; - - convert[from][to] = convert[func] = (function(func) { - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - - var val = conversions[func](arg); - if (typeof val == "string" || val === undefined) - return val; // keyword - - for (var i = 0; i < val.length; i++) - val[i] = Math.round(val[i]); - return val; - } - })(func); -} - - -/* Converter does lazy conversion and caching */ -var Converter = function() { - this.convs = {}; -}; - -/* Either get the values for a space or - set the values for a space, depending on args */ -Converter.prototype.routeSpace = function(space, args) { - var values = args[0]; - if (values === undefined) { - // color.rgb() - return this.getValues(space); - } - // color.rgb(10, 10, 10) - if (typeof values == "number") { - values = Array.prototype.slice.call(args); - } - - return this.setValues(space, values); -}; - -/* Set the values for a space, invalidating cache */ -Converter.prototype.setValues = function(space, values) { - this.space = space; - this.convs = {}; - this.convs[space] = values; - return this; -}; - -/* Get the values for a space. If there's already - a conversion for the space, fetch it, otherwise - compute it */ -Converter.prototype.getValues = function(space) { - var vals = this.convs[space]; - if (!vals) { - var fspace = this.space, - from = this.convs[fspace]; - vals = convert[fspace][space](from); - - this.convs[space] = vals; - } - return vals; -}; - -["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { - Converter.prototype[space] = function(vals) { - return this.routeSpace(space, arguments); - }; -}); - -var colorConvert = convert; - -var colorName = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; - -/* MIT license */ - - -var colorString = { - getRgba: getRgba, - getHsla: getHsla, - getRgb: getRgb, - getHsl: getHsl, - getHwb: getHwb, - getAlpha: getAlpha, - - hexString: hexString, - rgbString: rgbString, - rgbaString: rgbaString, - percentString: percentString, - percentaString: percentaString, - hslString: hslString, - hslaString: hslaString, - hwbString: hwbString, - keyword: keyword -}; - -function getRgba(string) { - if (!string) { - return; - } - var abbr = /^#([a-fA-F0-9]{3,4})$/i, - hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, - rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - keyword = /(\w+)/; - - var rgb = [0, 0, 0], - a = 1, - match = string.match(abbr), - hexAlpha = ""; - if (match) { - match = match[1]; - hexAlpha = match[3]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i] + match[i], 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(hex)) { - hexAlpha = match[2]; - match = match[1]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(rgba)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i + 1]); - } - a = parseFloat(match[4]); - } - else if (match = string.match(per)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); - } - a = parseFloat(match[4]); - } - else if (match = string.match(keyword)) { - if (match[1] == "transparent") { - return [0, 0, 0, 0]; - } - rgb = colorName[match[1]]; - if (!rgb) { - return; - } - } - - for (var i = 0; i < rgb.length; i++) { - rgb[i] = scale(rgb[i], 0, 255); - } - if (!a && a != 0) { - a = 1; - } - else { - a = scale(a, 0, 1); - } - rgb[3] = a; - return rgb; -} - -function getHsla(string) { - if (!string) { - return; - } - var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hsl); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - s = scale(parseFloat(match[2]), 0, 100), - l = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, s, l, a]; - } -} - -function getHwb(string) { - if (!string) { - return; - } - var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hwb); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - w = scale(parseFloat(match[2]), 0, 100), - b = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, w, b, a]; - } -} - -function getRgb(string) { - var rgba = getRgba(string); - return rgba && rgba.slice(0, 3); -} - -function getHsl(string) { - var hsla = getHsla(string); - return hsla && hsla.slice(0, 3); -} - -function getAlpha(string) { - var vals = getRgba(string); - if (vals) { - return vals[3]; - } - else if (vals = getHsla(string)) { - return vals[3]; - } - else if (vals = getHwb(string)) { - return vals[3]; - } -} - -// generators -function hexString(rgba, a) { - var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; - return "#" + hexDouble(rgba[0]) - + hexDouble(rgba[1]) - + hexDouble(rgba[2]) - + ( - (a >= 0 && a < 1) - ? hexDouble(Math.round(a * 255)) - : "" - ); -} - -function rgbString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return rgbaString(rgba, alpha); - } - return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; -} - -function rgbaString(rgba, alpha) { - if (alpha === undefined) { - alpha = (rgba[3] !== undefined ? rgba[3] : 1); - } - return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] - + ", " + alpha + ")"; -} - -function percentString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return percentaString(rgba, alpha); - } - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - - return "rgb(" + r + "%, " + g + "%, " + b + "%)"; -} - -function percentaString(rgba, alpha) { - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; -} - -function hslString(hsla, alpha) { - if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { - return hslaString(hsla, alpha); - } - return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; -} - -function hslaString(hsla, alpha) { - if (alpha === undefined) { - alpha = (hsla[3] !== undefined ? hsla[3] : 1); - } - return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " - + alpha + ")"; -} - -// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax -// (hwb have alpha optional & 1 is default value) -function hwbString(hwb, alpha) { - if (alpha === undefined) { - alpha = (hwb[3] !== undefined ? hwb[3] : 1); - } - return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" - + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; -} - -function keyword(rgb) { - return reverseNames[rgb.slice(0, 3)]; -} - -// helpers -function scale(num, min, max) { - return Math.min(Math.max(min, num), max); -} - -function hexDouble(num) { - var str = num.toString(16).toUpperCase(); - return (str.length < 2) ? "0" + str : str; -} - - -//create a list of reverse color names -var reverseNames = {}; -for (var name in colorName) { - reverseNames[colorName[name]] = name; -} - -/* MIT license */ - - - -var Color = function (obj) { - if (obj instanceof Color) { - return obj; - } - if (!(this instanceof Color)) { - return new Color(obj); - } - - this.valid = false; - this.values = { - rgb: [0, 0, 0], - hsl: [0, 0, 0], - hsv: [0, 0, 0], - hwb: [0, 0, 0], - cmyk: [0, 0, 0, 0], - alpha: 1 - }; - - // parse Color() argument - var vals; - if (typeof obj === 'string') { - vals = colorString.getRgba(obj); - if (vals) { - this.setValues('rgb', vals); - } else if (vals = colorString.getHsla(obj)) { - this.setValues('hsl', vals); - } else if (vals = colorString.getHwb(obj)) { - this.setValues('hwb', vals); - } - } else if (typeof obj === 'object') { - vals = obj; - if (vals.r !== undefined || vals.red !== undefined) { - this.setValues('rgb', vals); - } else if (vals.l !== undefined || vals.lightness !== undefined) { - this.setValues('hsl', vals); - } else if (vals.v !== undefined || vals.value !== undefined) { - this.setValues('hsv', vals); - } else if (vals.w !== undefined || vals.whiteness !== undefined) { - this.setValues('hwb', vals); - } else if (vals.c !== undefined || vals.cyan !== undefined) { - this.setValues('cmyk', vals); - } - } -}; - -Color.prototype = { - isValid: function () { - return this.valid; - }, - rgb: function () { - return this.setSpace('rgb', arguments); - }, - hsl: function () { - return this.setSpace('hsl', arguments); - }, - hsv: function () { - return this.setSpace('hsv', arguments); - }, - hwb: function () { - return this.setSpace('hwb', arguments); - }, - cmyk: function () { - return this.setSpace('cmyk', arguments); - }, - - rgbArray: function () { - return this.values.rgb; - }, - hslArray: function () { - return this.values.hsl; - }, - hsvArray: function () { - return this.values.hsv; - }, - hwbArray: function () { - var values = this.values; - if (values.alpha !== 1) { - return values.hwb.concat([values.alpha]); - } - return values.hwb; - }, - cmykArray: function () { - return this.values.cmyk; - }, - rgbaArray: function () { - var values = this.values; - return values.rgb.concat([values.alpha]); - }, - hslaArray: function () { - var values = this.values; - return values.hsl.concat([values.alpha]); - }, - alpha: function (val) { - if (val === undefined) { - return this.values.alpha; - } - this.setValues('alpha', val); - return this; - }, - - red: function (val) { - return this.setChannel('rgb', 0, val); - }, - green: function (val) { - return this.setChannel('rgb', 1, val); - }, - blue: function (val) { - return this.setChannel('rgb', 2, val); - }, - hue: function (val) { - if (val) { - val %= 360; - val = val < 0 ? 360 + val : val; - } - return this.setChannel('hsl', 0, val); - }, - saturation: function (val) { - return this.setChannel('hsl', 1, val); - }, - lightness: function (val) { - return this.setChannel('hsl', 2, val); - }, - saturationv: function (val) { - return this.setChannel('hsv', 1, val); - }, - whiteness: function (val) { - return this.setChannel('hwb', 1, val); - }, - blackness: function (val) { - return this.setChannel('hwb', 2, val); - }, - value: function (val) { - return this.setChannel('hsv', 2, val); - }, - cyan: function (val) { - return this.setChannel('cmyk', 0, val); - }, - magenta: function (val) { - return this.setChannel('cmyk', 1, val); - }, - yellow: function (val) { - return this.setChannel('cmyk', 2, val); - }, - black: function (val) { - return this.setChannel('cmyk', 3, val); - }, - - hexString: function () { - return colorString.hexString(this.values.rgb); - }, - rgbString: function () { - return colorString.rgbString(this.values.rgb, this.values.alpha); - }, - rgbaString: function () { - return colorString.rgbaString(this.values.rgb, this.values.alpha); - }, - percentString: function () { - return colorString.percentString(this.values.rgb, this.values.alpha); - }, - hslString: function () { - return colorString.hslString(this.values.hsl, this.values.alpha); - }, - hslaString: function () { - return colorString.hslaString(this.values.hsl, this.values.alpha); - }, - hwbString: function () { - return colorString.hwbString(this.values.hwb, this.values.alpha); - }, - keyword: function () { - return colorString.keyword(this.values.rgb, this.values.alpha); - }, - - rgbNumber: function () { - var rgb = this.values.rgb; - return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; - }, - - luminosity: function () { - // http://www.w3.org/TR/WCAG20/#relativeluminancedef - var rgb = this.values.rgb; - var lum = []; - for (var i = 0; i < rgb.length; i++) { - var chan = rgb[i] / 255; - lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); - } - return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; - }, - - contrast: function (color2) { - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - var lum1 = this.luminosity(); - var lum2 = color2.luminosity(); - if (lum1 > lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } -}; - -Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] -}; - -Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] -}; - -Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; -}; - -Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { - return false; - } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = colorConvert[space][sname](values[space]); - } - } - - return true; -}; - -Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; -}; - -Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; -}; - -if (typeof window !== 'undefined') { - window.Color = Color; -} - -var chartjsColor = Color; - -/** - * @namespace Chart.helpers - */ -var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function() {}, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {number} - * @function - */ - uid: (function() { - var id = 0; - return function() { - return id++; - }; - }()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isNullOrUndef: function(value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array (including typed arrays), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @function - */ - isArray: function(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - var type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isObject: function(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns true if `value` is a finite number, else returns false - * @param {*} value - The value to test. - * @returns {boolean} - */ - isFinite: function(value) { - return (typeof value === 'number' || value instanceof Number) && isFinite(value); - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function(value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {object|Array} loopable - The object or array to be iterated. - * @param {function} fn - The function to call for each item. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function(loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see https://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {boolean} - */ - arrayEquals: function(a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function(source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. - * @private - */ - _merger: function(key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function(key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @param {object} [options] - Merging options: - * @param {function} [options.merger] - The merge method (key, target, source, options) - * @returns {object} The `target` object. - */ - merge: function(target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @returns {object} The `target` object. - */ - mergeIf: function(target, source) { - return helpers.merge(target, source, {merger: helpers._mergerIf}); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {object} target - The target object in which all objects are merged into. - * @param {object} arg1 - Object containing additional properties to merge in target. - * @param {object} argN - Additional objects containing properties to merge in target. - * @returns {object} The `target` object. - */ - extend: function(target) { - var setFn = function(value, key) { - target[key] = value; - }; - for (var i = 1, ilen = arguments.length; i < ilen; ++i) { - helpers.each(arguments[i], setFn); - } - return target; - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function(extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { - return me.apply(this, arguments); - }; - - var Surrogate = function() { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - } -}; - -var helpers_core = helpers; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -helpers.callCallback = helpers.callback; - -/** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.indexOf = function(array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); -}; - -/** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueOrDefault = helpers.valueOrDefault; - -/** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - -/** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ -var effects = { - linear: function(t) { - return t; - }, - - easeInQuad: function(t) { - return t * t; - }, - - easeOutQuad: function(t) { - return -t * (t - 2); - }, - - easeInOutQuad: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function(t) { - return t * t * t; - }, - - easeOutCubic: function(t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function(t) { - return t * t * t * t; - }, - - easeOutQuart: function(t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function(t) { - return t * t * t * t * t; - }, - - easeOutQuint: function(t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function(t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function(t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function(t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function(t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function(t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function(t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function(t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function(t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function(t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function(t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function(t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function(t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function(t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function(t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function(t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } -}; - -var helpers_easing = { - effects: effects -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.easingEffects = effects; - -var PI = Math.PI; -var RAD_PER_DEG = PI / 180; -var DOUBLE_PI = PI * 2; -var HALF_PI = PI / 2; -var QUARTER_PI = PI / 4; -var TWO_THIRDS_PI = PI * 2 / 3; - -/** - * @namespace Chart.helpers.canvas - */ -var exports$1 = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function(chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {number} x - The x axis of the coordinate for the rectangle starting point. - * @param {number} y - The y axis of the coordinate for the rectangle starting point. - * @param {number} width - The rectangle's width. - * @param {number} height - The rectangle's height. - * @param {number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function(ctx, x, y, width, height, radius) { - if (radius) { - var r = Math.min(radius, height / 2, width / 2); - var left = x + r; - var top = y + r; - var right = x + width - r; - var bottom = y + height - r; - - ctx.moveTo(x, top); - if (left < right && top < bottom) { - ctx.arc(left, top, r, -PI, -HALF_PI); - ctx.arc(right, top, r, -HALF_PI, 0); - ctx.arc(right, bottom, r, 0, HALF_PI); - ctx.arc(left, bottom, r, HALF_PI, PI); - } else if (left < right) { - ctx.moveTo(left, y); - ctx.arc(right, top, r, -HALF_PI, HALF_PI); - ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); - } else if (top < bottom) { - ctx.arc(left, top, r, -PI, 0); - ctx.arc(left, bottom, r, 0, PI); - } else { - ctx.arc(left, top, r, -PI, PI); - } - ctx.closePath(); - ctx.moveTo(x, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function(ctx, style, radius, x, y, rotation) { - var type, xOffset, yOffset, size, cornerRadius; - var rad = (rotation || 0) * RAD_PER_DEG; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - ctx.beginPath(); - - switch (style) { - // Default includes circle - default: - ctx.arc(x, y, radius, 0, DOUBLE_PI); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - // NOTE: the rounded rect implementation changed to use `arc` instead of - // `quadraticCurveTo` since it generates better results when rect is - // almost a circle. 0.516 (instead of 0.5) produces results with visually - // closer proportion to the previous impl and it is inscribed in the - // circle with `radius`. For more details, see the following PRs: - // https://github.com/chartjs/Chart.js/issues/5597 - // https://github.com/chartjs/Chart.js/issues/5858 - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - /* falls through */ - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - /* falls through */ - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - - ctx.fill(); - ctx.stroke(); - }, - - /** - * Returns true if the point is inside the rectangle - * @param {object} point - The point to test - * @param {object} area - The rectangle - * @returns {boolean} - * @private - */ - _isPointInArea: function(point, area) { - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - - return point.x > area.left - epsilon && point.x < area.right + epsilon && - point.y > area.top - epsilon && point.y < area.bottom + epsilon; - }, - - clipArea: function(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function(ctx) { - ctx.restore(); - }, - - lineTo: function(ctx, previous, target, flip) { - var stepped = target.steppedLine; - if (stepped) { - if (stepped === 'middle') { - var midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, flip ? target.y : previous.y); - ctx.lineTo(midpoint, flip ? previous.y : target.y); - } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } -}; - -var helpers_canvas = exports$1; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.clear = exports$1.clear; - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.drawRoundedRectangle = function(ctx) { - ctx.beginPath(); - exports$1.roundedRect.apply(exports$1, arguments); -}; - -var defaults = { - /** - * @private - */ - _set: function(scope, values) { - return helpers_core.merge(this[scope] || (this[scope] = {}), values); - } -}; - -defaults._set('global', { - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - defaultLineHeight: 1.2, - showLines: true -}); - -var core_defaults = defaults; - -var valueOrDefault = helpers_core.valueOrDefault; - -/** - * Converts the given font object into a CSS font string. - * @param {object} font - A font object. - * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font - * @private - */ -function toFontString(font) { - if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { - return null; - } - - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} - -/** - * @alias Chart.helpers.options - * @namespace - */ -var helpers_options = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function(value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - default: - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {number|object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function(value) { - var t, r, b, l; - - if (helpers_core.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Parses font options and returns the font object. - * @param {object} options - A object that contains font options to be parsed. - * @return {object} The font object. - * @todo Support font.* options and renamed to toFont(). - * @private - */ - _parseFont: function(options) { - var globalDefaults = core_defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var font = { - family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), - lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), - size: size, - style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), - weight: null, - string: '' - }; - - font.string = toFontString(font); - return font; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array} inputs - An array of values, falling back to the last value. - * @param {object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @since 2.7.0 - */ - resolve: function(inputs, context, index) { - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - } - if (index !== undefined && helpers_core.isArray(value)) { - value = value[index]; - } - if (value !== undefined) { - return value; - } - } - } -}; - -var helpers$1 = helpers_core; -var easing = helpers_easing; -var canvas = helpers_canvas; -var options = helpers_options; -helpers$1.easing = easing; -helpers$1.canvas = canvas; -helpers$1.options = options; - -function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = chartjsColor(origin); - if (c0.valid) { - c1 = chartjsColor(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } -} - -var Element = function(configuration) { - helpers$1.extend(this, configuration); - this.initialize.apply(this, arguments); -}; - -helpers$1.extend(Element.prototype, { - - initialize: function() { - this.hidden = false; - }, - - pivot: function() { - var me = this; - if (!me._view) { - me._view = helpers$1.clone(me._model); - } - me._start = {}; - return me; - }, - - transition: function(ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = model; - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function() { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function() { - return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); - } -}); - -Element.extend = helpers$1.inherits; - -var core_element = Element; - -var exports$2 = core_element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes -}); - -var core_animation = exports$2; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'animationObject', { - get: function() { - return this; - } -}); - -/** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'chartInstance', { - get: function() { - return this.chart; - }, - set: function(value) { - this.chart = value; - } -}); - -core_defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers$1.noop, - onComplete: helpers$1.noop - } -}); - -var core_animations = { - animations: [], - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {number} duration - The animation duration in ms. - * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function(chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - animation.startTime = Date.now(); - animation.duration = duration; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function(chart) { - var index = helpers$1.findIndex(this.animations, function(animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function() { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers$1.requestAnimFrame.call(window, function() { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function() { - var me = this; - - me.advance(); - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function() { - var animations = this.animations; - var animation, chart, numSteps, nextStep; - var i = 0; - - // 1 animation per chart, so we are looping charts here - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - numSteps = animation.numSteps; - - // Make sure that currentStep starts at 1 - // https://github.com/chartjs/Chart.js/issues/6104 - nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; - animation.currentStep = Math.min(nextStep, numSteps); - - helpers$1.callback(animation.render, [chart, animation], chart); - helpers$1.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= numSteps) { - helpers$1.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } -}; - -var resolve = helpers$1.options.resolve; - -var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - -/** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ -function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function(key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function() { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers$1.each(array._chartjs.listeners, function(object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); -} - -/** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ -function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function(key) { - delete array[key]; - }); - - delete array._chartjs; -} - -// Base class for all dataset controllers (line, bar, etc) -var DatasetController = function(chart, datasetIndex) { - this.initialize(chart, datasetIndex); -}; - -helpers$1.extend(DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - initialize: function(chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - }, - - updateIndex: function(datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function() { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - - if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { - meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { - meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; - } - }, - - getDataset: function() { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function() { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function(scaleID) { - return this.chart.scales[scaleID]; - }, - - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getValueScale: function() { - return this.getScaleForId(this._getValueScaleId()); - }, - - /** - * @private - */ - _getIndexScale: function() { - return this.getScaleForId(this._getIndexScaleId()); - }, - - reset: function() { - this.update(true); - }, - - /** - * @private - */ - destroy: function() { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function() { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function(index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function(index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function() { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - update: helpers$1.noop, - - transition: function(easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function() { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - removeHoverStyle: function(element) { - helpers$1.merge(element._model, element.$previousStyle || {}); - delete element.$previousStyle; - }, - - setHoverStyle: function(element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var model = element._model; - var getHoverColor = helpers$1.getHoverColor; - - element.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth - }; - - model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); - model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); - model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); - }, - - /** - * @private - */ - resyncElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function(start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function() { - var count = arguments.length; - this.insertElements(this.getDataset().data.length - count, count); - }, - - /** - * @private - */ - onDataPop: function() { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function() { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function(start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function() { - this.insertElements(0, arguments.length); - } -}); - -DatasetController.extend = helpers$1.inherits; - -var core_datasetController = DatasetController; - -core_defaults._set('global', { - elements: { - arc: { - backgroundColor: core_defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2, - borderAlign: 'center' - } - } -}); - -var element_arc = core_element.extend({ - inLabelRange: function(mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function(chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += 2.0 * Math.PI; - } - while (angle > endAngle) { - angle -= 2.0 * Math.PI; - } - while (angle < startAngle) { - angle += 2.0 * Math.PI; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function() { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function() { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function() { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var sA = vm.startAngle; - var eA = vm.endAngle; - var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; - var angleMargin; - - ctx.save(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, Math.max(vm.outerRadius - pixelMargin, 0), sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.fillStyle = vm.backgroundColor; - ctx.fill(); - - if (vm.borderWidth) { - if (vm.borderAlign === 'inner') { - // Draw an inner border by cliping the arc and drawing a double-width border - // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders - ctx.beginPath(); - angleMargin = pixelMargin / vm.outerRadius; - ctx.arc(vm.x, vm.y, vm.outerRadius, sA - angleMargin, eA + angleMargin); - if (vm.innerRadius > pixelMargin) { - angleMargin = pixelMargin / vm.innerRadius; - ctx.arc(vm.x, vm.y, vm.innerRadius - pixelMargin, eA + angleMargin, sA - angleMargin, true); - } else { - ctx.arc(vm.x, vm.y, pixelMargin, eA + Math.PI / 2, sA - Math.PI / 2); - } - ctx.closePath(); - ctx.clip(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.lineWidth = vm.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = vm.borderWidth; - ctx.lineJoin = 'bevel'; - } - - ctx.strokeStyle = vm.borderColor; - ctx.stroke(); - } - - ctx.restore(); - } -}); - -var valueOrDefault$1 = helpers$1.valueOrDefault; - -var defaultColor = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: defaultColor, - borderWidth: 3, - borderColor: defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } -}); - -var element_line = core_element.extend({ - draw: function() { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalDefaults = core_defaults.global; - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var index, current, previous, currentVM; - - // If we are looping, adding the first point again - if (me._loop && points.length) { - points.push(points[0]); - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - lastDrawnIndex = -1; - - for (index = 0; index < points.length; ++index) { - current = points[index]; - previous = helpers$1.previousItem(points, index); - currentVM = current._view; - - // First point moves to it's starting position no matter what - if (index === 0) { - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = index; - } - } else { - previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers$1.canvas.lineTo(ctx, previous._view, current._view); - } - lastDrawnIndex = index; - } - } - } - - ctx.stroke(); - ctx.restore(); - } -}); - -var valueOrDefault$2 = helpers$1.valueOrDefault; - -var defaultColor$1 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor$1, - borderColor: defaultColor$1, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } -}); - -function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; -} - -function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; -} - -var element_point = core_element.extend({ - inRange: function(mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function() { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function(chartArea) { - var vm = this._view; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var rotation = vm.rotation; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow - - if (vm.skip) { - return; - } - - // Clipping for Points. - if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); - } - } -}); - -var defaultColor$2 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaultColor$2, - borderColor: defaultColor$2, - borderSkipped: 'bottom', - borderWidth: 0 - } - } -}); - -function isVertical(vm) { - return vm && vm.width !== undefined; -} - -/** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ -function getBarBounds(vm) { - var x1, x2, y1, y2, half; - - if (isVertical(vm)) { - half = vm.width / 2; - x1 = vm.x - half; - x2 = vm.x + half; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - half = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - half; - y2 = vm.y + half; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; -} - -function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; -} - -function parseBorderSkipped(vm) { - var edge = vm.borderSkipped; - var res = {}; - - if (!edge) { - return res; - } - - if (vm.horizontal) { - if (vm.base > vm.x) { - edge = swap(edge, 'left', 'right'); - } - } else if (vm.base < vm.y) { - edge = swap(edge, 'bottom', 'top'); - } - - res[edge] = true; - return res; -} - -function parseBorderWidth(vm, maxW, maxH) { - var value = vm.borderWidth; - var skip = parseBorderSkipped(vm); - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, - r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, - b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, - l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l - }; -} - -function boundingRects(vm) { - var bounds = getBarBounds(vm); - var width = bounds.right - bounds.left; - var height = bounds.bottom - bounds.top; - var border = parseBorderWidth(vm, width / 2, height / 2); - - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b - } - }; -} - -function inRange(vm, x, y) { - var skipX = x === null; - var skipY = y === null; - var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); - - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); -} - -var element_rectangle = core_element.extend({ - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var rects = boundingRects(vm); - var outer = rects.outer; - var inner = rects.inner; - - ctx.fillStyle = vm.backgroundColor; - ctx.fillRect(outer.x, outer.y, outer.w, outer.h); - - if (outer.w === inner.w && outer.h === inner.h) { - return; - } - - ctx.save(); - ctx.beginPath(); - ctx.rect(outer.x, outer.y, outer.w, outer.h); - ctx.clip(); - ctx.fillStyle = vm.borderColor; - ctx.rect(inner.x, inner.y, inner.w, inner.h); - ctx.fill('evenodd'); - ctx.restore(); - }, - - height: function() { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function(mouseX, mouseY) { - return inRange(this._view, mouseX, mouseY); - }, - - inLabelRange: function(mouseX, mouseY) { - var vm = this._view; - return isVertical(vm) - ? inRange(vm, mouseX, null) - : inRange(vm, null, mouseY); - }, - - inXRange: function(mouseX) { - return inRange(this._view, mouseX, null); - }, - - inYRange: function(mouseY) { - return inRange(this._view, null, mouseY); - }, - - getCenterPoint: function() { - var vm = this._view; - var x, y; - if (isVertical(vm)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return {x: x, y: y}; - }, - - getArea: function() { - var vm = this._view; - - return isVertical(vm) - ? vm.width * Math.abs(vm.y - vm.base) - : vm.height * Math.abs(vm.x - vm.base); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } -}); - -var elements = {}; -var Arc = element_arc; -var Line = element_line; -var Point = element_point; -var Rectangle = element_rectangle; -elements.Arc = Arc; -elements.Line = Line; -elements.Point = Point; -elements.Rectangle = Rectangle; - -var resolve$1 = helpers$1.options.resolve; - -core_defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } -}); - -/** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ -function computeMinSampleSize(scale, pixels) { - var min = scale.isHorizontal() ? scale.width : scale.height; - var ticks = scale.getTicks(); - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, curr - prev) : min; - prev = curr; - } - - return min; -} - -/** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ -function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var size, ratio; - - if (helpers$1.isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; -} - -/** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ -function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale size. - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - (curr - Math.min(prev, next)) / 2 * percent; - size = Math.abs(next - prev) / 2 * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; -} - -var controller_bar = core_datasetController.extend({ - - dataElementType: elements.Rectangle, - - initialize: function() { - var me = this; - var meta; - - core_datasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - }, - - update: function(reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function(rectangle, index, reset) { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var options = me._resolveElementOptions(rectangle, index); - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - rectangle._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderSkipped: options.borderSkipped, - borderWidth: options.borderWidth, - datasetLabel: dataset.label, - label: me.chart.data.labels[index] - }; - - me._updateElementGeometry(rectangle, index, reset); - - rectangle.pivot(); - }, - - /** - * @private - */ - _updateElementGeometry: function(rectangle, index, reset) { - var me = this; - var model = rectangle._model; - var vscale = me._getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {number} [last] - The dataset index - * @returns {string[]} The list of stack IDs - * @private - */ - _getStacks: function(last) { - var me = this; - var chart = me.chart; - var scale = me._getIndexScale(); - var stacked = scale.options.stacked; - var ilen = last === undefined ? chart.data.datasets.length : last + 1; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - if (meta.bar && chart.isDatasetVisible(i) && - (stacked === false || - (stacked === true && stacks.indexOf(meta.stack) === -1) || - (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { - stacks.push(meta.stack); - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function() { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {number} [datasetIndex] - The dataset index - * @param {string} [name] - The stack name to find - * @returns {number} The stack index - * @private - */ - getStackIndex: function(datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function() { - var me = this; - var scale = me._getIndexScale(); - var stackCount = me.getStackCount(); - var datasetIndex = me.index; - var isHorizontal = scale.isHorizontal(); - var start = isHorizontal ? scale.left : scale.top; - var end = start + (isHorizontal ? scale.width : scale.height); - var pixels = []; - var i, ilen, min; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, datasetIndex)); - } - - min = helpers$1.isNullOrUndef(scale.options.barThickness) - ? computeMinSampleSize(scale, pixels) - : -1; - - return { - min: min, - pixels: pixels, - start: start, - end: end, - stackCount: stackCount, - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function(datasetIndex, index) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var scale = me._getValueScale(); - var isHorizontal = scale.isHorizontal(); - var datasets = chart.data.datasets; - var value = +scale.getRightValue(datasets[datasetIndex].data[index]); - var minBarLength = scale.options.minBarLength; - var stacked = scale.options.stacked; - var stack = meta.stack; - var start = 0; - var i, imeta, ivalue, base, head, size; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < datasetIndex; ++i) { - imeta = chart.getDatasetMeta(i); - - if (imeta.bar && - imeta.stack === stack && - imeta.controller._getValueScaleId() === scale.id && - chart.isDatasetVisible(i)) { - - ivalue = +scale.getRightValue(datasets[i].data[index]); - if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + value); - size = head - base; - - if (minBarLength !== undefined && Math.abs(size) < minBarLength) { - size = minBarLength; - if (value >= 0 && !isHorizontal || value < 0 && isHorizontal) { - head = base - minBarLength; - } else { - head = base + minBarLength; - } - } - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function(datasetIndex, index, ruler) { - var me = this; - var options = ruler.scale.options; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - helpers$1.valueOrDefault(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function() { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - if (!isNaN(scale.getRightValue(dataset.data[i]))) { - rects[i].draw(); - } - } - - helpers$1.canvas.unclipArea(chart.ctx); - }, - - /** - * @private - */ - _resolveElementOptions: function(rectangle, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = rectangle.custom || {}; - var options = chart.options.elements.rectangle; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderSkipped', - 'borderWidth' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$1([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - } -}); - -var valueOrDefault$3 = helpers$1.valueOrDefault; -var resolve$2 = helpers$1.options.resolve; - -core_defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function() { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function(item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } -}); - -var controller_bubble = core_datasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @protected - */ - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers$1.each(points, function(point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - rotation: options.rotation, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$3(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$3(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$3(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @private - */ - _resolveElementOptions: function(point, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = point.custom || {}; - var options = chart.options.elements.point; - var data = dataset.data[index]; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle', - 'rotation' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$2([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - // Custom radius resolution - values.radius = resolve$2([ - custom.radius, - data ? data.r : undefined, - dataset.radius, - options.radius - ], context, index); - - return values; - } -}); - -var resolve$3 = helpers$1.options.resolve; -var valueOrDefault$4 = helpers$1.valueOrDefault; - -core_defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function(chart) { - var text = []; - text.push('
      '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
    • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
    '); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc && arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$3([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$3([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$3([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: Math.PI * -0.5, - - // The total circumference of the chart. - circumference: Math.PI * 2.0, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers$1.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } -}); - -var controller_doughnut = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function(datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function(reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var availableWidth = chartArea.right - chartArea.left; - var availableHeight = chartArea.bottom - chartArea.top; - var minSize = Math.min(availableWidth, availableHeight); - var offset = {x: 0, y: 0}; - var meta = me.getMeta(); - var arcs = meta.data; - var cutoutPercentage = opts.cutoutPercentage; - var circumference = opts.circumference; - var chartWeight = me._getRingWeight(me.index); - var i, ilen; - - // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc - if (circumference < Math.PI * 2.0) { - var startAngle = opts.rotation % (Math.PI * 2.0); - startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); - var endAngle = startAngle + circumference; - var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; - var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; - var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); - var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); - var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); - var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); - var cutout = cutoutPercentage / 100.0; - var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; - var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; - var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; - minSize = Math.min(availableWidth / size.width, availableHeight / size.height); - offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - } - - chart.borderWidth = me.getMaxBorderWidth(); - chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); - chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); - chart.offsetX = offset.x * chart.outerRadius; - chart.offsetY = offset.y * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - me.updateElement(arcs[i], i, reset); - } - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - calculateTotal: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers$1.each(meta.data, function(element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function(value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return (Math.PI * 2.0) * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function(arcs) { - var me = this; - var max = 0; - var chart = me.chart; - var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; - - if (!arcs) { - // Find the outmost visible dataset - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - if (i !== me.index) { - controller = meta.controller; - } - break; - } - } - } - - if (!arcs) { - return 0; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arc = arcs[i]; - options = controller ? controller._resolveElementOptions(arc, i) : arc._options; - if (options.borderAlign !== 'inner') { - borderWidth = options.borderWidth; - hoverWidth = options.hoverBorderWidth; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - } - return max; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$3([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly - * @private - */ - _getRingWeightOffset: function(datasetIndex) { - var ringWeightOffset = 0; - - for (var i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - - return ringWeightOffset; - }, - - /** - * @private - */ - _getRingWeight: function(dataSetIndex) { - return Math.max(valueOrDefault$4(this.chart.data.datasets[dataSetIndex].weight, 1), 0); - }, - - /** - * Returns the sum of all visibile data set weights. This value can be 0. - * @private - */ - _getVisibleDatasetWeightTotal: function() { - return this._getRingWeightOffset(this.chart.data.datasets.length); - } -}); - -core_defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - type: 'category', - position: 'left', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - mode: 'index', - axis: 'y' - } -}); - -var controller_horizontalBar = controller_bar.extend({ - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().yAxisID; - } -}); - -var valueOrDefault$5 = helpers$1.valueOrDefault; -var resolve$4 = helpers$1.options.resolve; -var isPointInArea = helpers$1.canvas._isPointInArea; - -core_defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } -}); - -function lineEnabled(dataset, options) { - return valueOrDefault$5(dataset.showLine, options.showLines); -} - -var controller_line = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.getScaleForId(meta.yAxisID); - var dataset = me.getDataset(); - var showLine = lineEnabled(dataset, me.chart.options); - var i, ilen; - - // Update Line - if (showLine) { - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var yScale = me.getScaleForId(meta.yAxisID); - var xScale = me.getScaleForId(meta.xAxisID); - var lineModel = meta.dataset._model; - var x, y; - - var options = me._resolvePointOptions(point, index); - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$5(custom.tension, lineModel ? lineModel.tension : 0), - steppedLine: lineModel ? lineModel.steppedLine : false, - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options; - var elementOptions = options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill', - 'cubicInterpolationMode' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[key], - elementOptions[key] - ]); - } - - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - values.spanGaps = valueOrDefault$5(dataset.spanGaps, options.spanGaps); - values.tension = valueOrDefault$5(dataset.lineTension, elementOptions.tension); - values.steppedLine = resolve$4([custom.steppedLine, dataset.steppedLine, elementOptions.stepped]); - - return values; - }, - - calculatePointY: function(value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var yScale = me.getScaleForId(meta.yAxisID); - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta; - - if (yScale.options.stacked) { - for (i = 0; i < datasetIndex; i++) { - ds = chart.data.datasets[i]; - dsMeta = chart.getDatasetMeta(i); - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { - var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - var rightValue = Number(yScale.getRightValue(value)); - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var lineModel = meta.dataset._model; - var area = chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (lineModel.spanGaps) { - points = points.filter(function(pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (lineModel.cubicInterpolationMode === 'monotone') { - helpers$1.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i)._model, - model, - helpers$1.nextItem(points, i)._model, - lineModel.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - if (isPointInArea(model, area)) { - if (i > 0 && isPointInArea(points[i - 1]._model, area)) { - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - } - if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - } - } - }, - - draw: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var ilen = points.length; - var halfBorderWidth; - var i = 0; - - if (lineEnabled(me.getDataset(), chart.options)) { - halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; - - helpers$1.canvas.clipArea(chart.ctx, { - left: area.left, - right: area.right, - top: area.top - halfBorderWidth, - bottom: area.bottom + halfBorderWidth - }); - - meta.dataset.draw(); - - helpers$1.canvas.unclipArea(chart.ctx); - } - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$5(options.hoverRadius, options.radius); - }, -}); - -var resolve$5 = helpers$1.options.resolve; - -core_defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function(chart) { - var text = []; - text.push('
      '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
    • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
    '); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$5([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$5([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$5([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } -}); - -var controller_polarArea = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var dataset = me.getDataset(); - var meta = me.getMeta(); - var start = me.chart.options.startAngle || 0; - var starts = me._starts = []; - var angles = me._angles = []; - var arcs = meta.data; - var i, ilen, angle; - - me._updateRadius(); - - meta.count = me.countVisibleElements(); - - for (i = 0, ilen = dataset.data.length; i < ilen; i++) { - starts[i] = start; - angle = me._computeAngle(i); - angles[i] = angle; - start += angle; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - me.updateElement(arcs[i], i, reset); - } - }, - - /** - * @private - */ - _updateRadius: function() { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - - chart.outerRadius = Math.max(minSize / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = me._starts[index]; - var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - arc.pivot(); - }, - - countVisibleElements: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers$1.each(meta.data, function(element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - var valueOrDefault = helpers$1.valueOrDefault; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$5([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _computeAngle: function(index) { - var me = this; - var count = this.getMeta().count; - var dataset = me.getDataset(); - var meta = me.getMeta(); - - if (isNaN(dataset.data[index]) || meta.data[index].hidden) { - return 0; - } - - // Scriptable options - var context = { - chart: me.chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - return resolve$5([ - me.chart.options.elements.arc.angle, - (2 * Math.PI) / count - ], context, index); - } -}); - -core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); -core_defaults._set('pie', { - cutoutPercentage: 0 -}); - -// Pie charts are Doughnut chart with different defaults -var controller_pie = controller_doughnut; - -var valueOrDefault$6 = helpers$1.valueOrDefault; -var resolve$6 = helpers$1.options.resolve; - -core_defaults._set('radar', { - scale: { - type: 'radialLinear' - }, - elements: { - line: { - tension: 0 // no bezier in radar - } - } -}); - -var controller_radar = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.chart.scale; - var dataset = me.getDataset(); - var i, ilen; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - line._loop = true; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - // Update bezier control points - me.updateBezierControlPoints(); - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - var options = me._resolvePointOptions(point, index); - var lineModel = me.getMeta().dataset._model; - var x = reset ? scale.xCenter : pointPosition.x; - var y = reset ? scale.yCenter : pointPosition.y; - - // Utility - point._scale = scale; - point._options = options; - point._datasetIndex = me.index; - point._index = index; - - // Desired view properties - point._model = { - x: x, // value not used in dataset scale, but we want a consistent API between scales - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), - - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[key], - options[key] - ]); - } - - values.tension = valueOrDefault$6(dataset.lineTension, options.tension); - - return values; - }, - - updateBezierControlPoints: function() { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i, true)._model, - model, - helpers$1.nextItem(points, i, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); - model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); - model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); - model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); - } - }, - - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$6(options.hoverRadius, options.radius); - } -}); - -core_defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - showLines: false, - - tooltips: { - callbacks: { - title: function() { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function(item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } -}); - -// Scatter charts use line controllers -var controller_scatter = controller_line; - -// NOTE export a map in which the key represents the controller type, not -// the class, and so must be CamelCase in order to be correctly retrieved -// by the controller in core.controller.js (`controllers[meta.type]`). - -var controllers = { - bar: controller_bar, - bubble: controller_bubble, - doughnut: controller_doughnut, - horizontalBar: controller_horizontalBar, - line: controller_line, - polarArea: controller_polarArea, - pie: controller_pie, - radar: controller_radar, - scatter: controller_scatter -}; - -/** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {object} the event position - */ -function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers$1.getRelativePosition(e, chart); -} - -/** - * Helper function to traverse all of the visible elements in the chart - * @param {Chart} chart - the chart - * @param {function} handler - the callback to execute for each visible item - */ -function parseVisibleItems(chart, handler) { - var datasets = chart.data.datasets; - var meta, i, j, ilen, jlen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!chart.isDatasetVisible(i)) { - continue; - } - - meta = chart.getDatasetMeta(i); - for (j = 0, jlen = meta.data.length; j < jlen; ++j) { - var element = meta.data[j]; - if (!element._view.skip) { - handler(element); - } - } - } -} - -/** - * Helper function to get the items that intersect the event position - * @param {ChartElement[]} items - elements to filter - * @param {object} position - the point to be nearest to - * @return {ChartElement[]} the nearest items - */ -function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; -} - -/** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param {Chart} chart - the chart to look at elements from - * @param {object} position - the point to be nearest to - * @param {boolean} intersect - if true, only consider items that intersect the position - * @param {function} distanceMetric - function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ -function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function(element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; -} - -/** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {string} axis - the axis mode. x|y|xy - */ -function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function(pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} - -function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart.data.datasets.forEach(function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - } - }); - - return elements; -} - -/** - * @interface IInteractionOptions - */ -/** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - -/** - * Contains interaction related functions - * @namespace Chart.Interaction - */ -var core_interaction = { - // Helper function for different modes - modes: { - single: function(chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function(chart, e) { - return indexMode(chart, e, {intersect: false}); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function(chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - return getNearestItems(chart, position, options.intersect, distanceMetric); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } -}; - -function filterByPosition(array, position) { - return helpers$1.where(array, function(v) { - return v.position === position; - }); -} - -function sortByWeight(array, reverse) { - array.forEach(function(v, i) { - v._tmpIndex_ = i; - return v; - }); - array.sort(function(a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0._tmpIndex_ - v1._tmpIndex_ : - v0.weight - v1.weight; - }); - array.forEach(function(v) { - delete v._tmpIndex_; - }); -} - -function findMaxPadding(boxes) { - var top = 0; - var left = 0; - var bottom = 0; - var right = 0; - helpers$1.each(boxes, function(box) { - if (box.getPadding) { - var boxPadding = box.getPadding(); - top = Math.max(top, boxPadding.top); - left = Math.max(left, boxPadding.left); - bottom = Math.max(bottom, boxPadding.bottom); - right = Math.max(right, boxPadding.right); - } - }); - return { - top: top, - left: left, - bottom: bottom, - right: right - }; -} - -function addSizeByPosition(boxes, size) { - helpers$1.each(boxes, function(box) { - size[box.position] += box.isHorizontal() ? box.height : box.width; - }); -} - -core_defaults._set('global', { - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } -}); - -/** - * @interface ILayoutItem - * @prop {string} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {function} update - Takes two parameters: width and height. Returns size of item - * @prop {function} getPadding - Returns an object with padding on the edges - * @prop {number} width - Width of item. Must be valid after update() - * @prop {number} height - Height of item. Must be valid after update() - * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - -// The layout service is very self explanatory. It's responsible for the layout within a chart. -// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need -// It is this service's responsibility of carrying out that layout. -var core_layouts = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {ILayoutItem} layoutItem - the item to remove from the layout - */ - removeBox: function(chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {ILayoutItem} item - the item to configure with the given options - * @param {object} options - the new item options. - */ - configure: function(chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {number} width - the width to fit into - * @param {number} height - the height to fit into - */ - update: function(chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers$1.options.toPadding(layoutOptions.padding); - var leftPadding = padding.left; - var rightPadding = padding.right; - var topPadding = padding.top; - var bottomPadding = padding.bottom; - - var leftBoxes = filterByPosition(chart.boxes, 'left'); - var rightBoxes = filterByPosition(chart.boxes, 'right'); - var topBoxes = filterByPosition(chart.boxes, 'top'); - var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); - var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); - - // Sort boxes by weight. A higher weight is further away from the chart area - sortByWeight(leftBoxes, true); - sortByWeight(rightBoxes, false); - sortByWeight(topBoxes, true); - sortByWeight(bottomBoxes, false); - - var verticalBoxes = leftBoxes.concat(rightBoxes); - var horizontalBoxes = topBoxes.concat(bottomBoxes); - var outerBoxes = verticalBoxes.concat(horizontalBoxes); - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - // What we do to find the best sizing, we do the following - // 1. Determine the minimum size of the chart area. - // 2. Split the remaining width equally between each vertical axis - // 3. Split the remaining height equally between each horizontal axis - // 4. Give each layout the maximum size it can be. The layout will return it's minimum size - // 5. Adjust the sizes of each axis based on it's minimum reported size. - // 6. Refit each axis - // 7. Position each axis in the final location - // 8. Tell the chart the final location of the chart area - // 9. Tell any axes that overlay the chart area the positions of the chart area - - // Step 1 - var chartWidth = width - leftPadding - rightPadding; - var chartHeight = height - topPadding - bottomPadding; - var chartAreaWidth = chartWidth / 2; // min 50% - - // Step 2 - var verticalBoxWidth = (width - chartAreaWidth) / verticalBoxes.length; - - // Step 3 - // TODO re-limit horizontal axis height (this limit has affected only padding calculation since PR 1837) - // var horizontalBoxHeight = (height - chartAreaHeight) / horizontalBoxes.length; - - // Step 4 - var maxChartAreaWidth = chartWidth; - var maxChartAreaHeight = chartHeight; - var outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - var minBoxSizes = []; - var maxPadding; - - function getMinimumBoxSize(box) { - var minSize; - var isHorizontal = box.isHorizontal(); - - if (isHorizontal) { - minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2); - maxChartAreaHeight -= minSize.height; - } else { - minSize = box.update(verticalBoxWidth, maxChartAreaHeight); - maxChartAreaWidth -= minSize.width; - } - - minBoxSizes.push({ - horizontal: isHorizontal, - width: minSize.width, - box: box, - }); - } - - helpers$1.each(outerBoxes, getMinimumBoxSize); - - // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) - maxPadding = findMaxPadding(outerBoxes); - - // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could - // be if the axes are drawn at their minimum sizes. - // Steps 5 & 6 - - // Function to fit a box - function fitBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minBox) { - return minBox.box === box; - }); - - if (minBoxSize) { - if (minBoxSize.horizontal) { - var scaleMargin = { - left: Math.max(outerBoxSizes.left, maxPadding.left), - right: Math.max(outerBoxSizes.right, maxPadding.right), - top: 0, - bottom: 0 - }; - - // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends - // on the margin. Sometimes they need to increase in size slightly - box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); - } else { - box.update(minBoxSize.width, maxChartAreaHeight); - } - } - } - - // Update, and calculate the left and right margins for the horizontal boxes - helpers$1.each(verticalBoxes, fitBox); - addSizeByPosition(verticalBoxes, outerBoxSizes); - - // Set the Left and Right margins for the horizontal boxes - helpers$1.each(horizontalBoxes, fitBox); - addSizeByPosition(horizontalBoxes, outerBoxSizes); - - function finalFitVerticalBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minSize) { - return minSize.box === box; - }); - - var scaleMargin = { - left: 0, - right: 0, - top: outerBoxSizes.top, - bottom: outerBoxSizes.bottom - }; - - if (minBoxSize) { - box.update(minBoxSize.width, maxChartAreaHeight, scaleMargin); - } - } - - // Let the left layout know the final margin - helpers$1.each(verticalBoxes, finalFitVerticalBox); - - // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) - outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - addSizeByPosition(outerBoxes, outerBoxSizes); - - // We may be adding some padding to account for rotated x axis labels - var leftPaddingAddition = Math.max(maxPadding.left - outerBoxSizes.left, 0); - outerBoxSizes.left += leftPaddingAddition; - outerBoxSizes.right += Math.max(maxPadding.right - outerBoxSizes.right, 0); - - var topPaddingAddition = Math.max(maxPadding.top - outerBoxSizes.top, 0); - outerBoxSizes.top += topPaddingAddition; - outerBoxSizes.bottom += Math.max(maxPadding.bottom - outerBoxSizes.bottom, 0); - - // Figure out if our chart area changed. This would occur if the dataset layout label rotation - // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do - // without calling `fit` again - var newMaxChartAreaHeight = height - outerBoxSizes.top - outerBoxSizes.bottom; - var newMaxChartAreaWidth = width - outerBoxSizes.left - outerBoxSizes.right; - - if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { - helpers$1.each(verticalBoxes, function(box) { - box.height = newMaxChartAreaHeight; - }); - - helpers$1.each(horizontalBoxes, function(box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - maxChartAreaHeight = newMaxChartAreaHeight; - maxChartAreaWidth = newMaxChartAreaWidth; - } - - // Step 7 - Position the boxes - var left = leftPadding + leftPaddingAddition; - var top = topPadding + topPaddingAddition; - - function placeBox(box) { - if (box.isHorizontal()) { - box.left = box.fullWidth ? leftPadding : outerBoxSizes.left; - box.right = box.fullWidth ? width - rightPadding : outerBoxSizes.left + maxChartAreaWidth; - box.top = top; - box.bottom = top + box.height; - - // Move to next point - top = box.bottom; - - } else { - - box.left = left; - box.right = left + box.width; - box.top = outerBoxSizes.top; - box.bottom = outerBoxSizes.top + maxChartAreaHeight; - - // Move to next point - left = box.right; - } - } - - helpers$1.each(leftBoxes.concat(topBoxes), placeBox); - - // Account for chart width and height - left += maxChartAreaWidth; - top += maxChartAreaHeight; - - helpers$1.each(rightBoxes, placeBox); - helpers$1.each(bottomBoxes, placeBox); - - // Step 8 - chart.chartArea = { - left: outerBoxSizes.left, - top: outerBoxSizes.top, - right: outerBoxSizes.left + maxChartAreaWidth, - bottom: outerBoxSizes.top + maxChartAreaHeight - }; - - // Step 9 - helpers$1.each(chartAreaBoxes, function(box) { - box.left = chart.chartArea.left; - box.top = chart.chartArea.top; - box.right = chart.chartArea.right; - box.bottom = chart.chartArea.bottom; - - box.update(maxChartAreaWidth, maxChartAreaHeight); - }); - } -}; - -/** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - -var platform_basic = { - acquireContext: function(item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } -}; - -var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n"; - -var platform_dom$1 = /*#__PURE__*/Object.freeze({ -default: platform_dom -}); - -function getCjsExportFromNamespace (n) { - return n && n.default || n; -} - -var stylesheet = getCjsExportFromNamespace(platform_dom$1); - -var EXPANDO_KEY = '$chartjs'; -var CSS_PREFIX = 'chartjs-'; -var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; -var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; -var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; -var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - -/** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ -var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; - -/** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {number} Size in pixels or undefined if unknown. - */ -function readUsedSize(element, property) { - var value = helpers$1.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; -} - -/** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ -function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; -} - -/** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ -var supportsEventListenerOptions = (function() { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - // eslint-disable-next-line getter-return - get: function() { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; -}()); - -// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. -// https://github.com/chartjs/Chart.js/issues/4287 -var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; - -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} - -function removeListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); -} - -function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} - -function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers$1.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); -} - -function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function() { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers$1.requestAnimFrame.call(window, function() { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} - -function createDiv(cls) { - var el = document.createElement('div'); - el.className = cls || ''; - return el; -} - -// Implementation based on https://github.com/marcj/css-element-queries -function createResizer(handler) { - var maxSize = 1000000; - - // NOTE(SB) Don't use innerHTML because it could be considered unsafe. - // https://github.com/chartjs/Chart.js/issues/5902 - var resizer = createDiv(CSS_SIZE_MONITOR); - var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); - var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); - - expand.appendChild(createDiv()); - shrink.appendChild(createDiv()); - - resizer.appendChild(expand); - resizer.appendChild(shrink); - resizer._reset = function() { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - - var onScroll = function() { - resizer._reset(); - handler(); - }; - - addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; -} - -// https://davidwalsh.name/detect-node-insertion -function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function(e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - addListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); -} - -function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - removeListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); -} - -function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function() { - if (expando.resizer) { - var container = chart.options.maintainAspectRatio && node.parentNode; - var w = container ? container.clientWidth : 0; - listener(createEvent('resize', chart)); - if (container && container.clientWidth < w && chart.canvas) { - // If the container size shrank during chart resize, let's assume - // scrollbar appeared. So we resize again with the scrollbar visible - - // effectively making chart smaller and the scrollbar hidden again. - // Because we are inside `throttled`, and currently `ticking`, scroll - // events are ignored during this whole 2 resize process. - // If we assumed wrong and something else happened, we are resizing - // twice in a frame (potential performance issue) - listener(createEvent('resize', chart)); - } - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function() { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); -} - -function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); - } -} - -function injectCSS(platform, css) { - // https://stackoverflow.com/q/3922139 - var style = platform._style || document.createElement('style'); - if (!platform._style) { - platform._style = style; - css = '/* Chart.js */\n' + css; - style.setAttribute('type', 'text/css'); - document.getElementsByTagName('head')[0].appendChild(style); - } - - style.appendChild(document.createTextNode(css)); -} - -var platform_dom$2 = { - /** - * When `true`, prevents the automatic injection of the stylesheet required to - * correctly detect when the chart is added to the DOM and then resized. This - * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`) - * to be manually imported to make this library compatible with any CSP. - * See https://github.com/chartjs/Chart.js/issues/5208 - */ - disableCSSInjection: false, - - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', - - /** - * @private - */ - _ensureLoaded: function() { - if (this._loaded) { - return; - } - - this._loaded = true; - - // https://github.com/chartjs/Chart.js/issues/5208 - if (!this.disableCSSInjection) { - injectCSS(this, stylesheet); - } - }, - - acquireContext: function(item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } - - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); - - // Load platform resources on first chart creation, to make possible to change - // platform options after importing the library (e.g. `disableCSSInjection`). - this._ensureLoaded(); - - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - initCanvas(item, config); - return context; - } - - return null; - }, - - releaseContext: function(context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } - - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function(prop) { - var value = initial[prop]; - if (helpers$1.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers$1.each(initial.style || {}, function(value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - // eslint-disable-next-line no-self-assign - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function(event) { - listener(fromNativeEvent(event, chart)); - }; - - addListener(canvas, type, proxy); - }, - - removeEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeListener(canvas, type, proxy); - } -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.addEvent = addListener; - -/** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.removeEvent = removeListener; - -// @TODO Make possible to select another platform at build time. -var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic; - -/** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ -var platform = helpers$1.extend({ - /** - * @since 2.7.0 - */ - initialize: function() {}, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function() {}, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {boolean} true if the method succeeded, else false - */ - releaseContext: function() {}, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {string} type - The ({@link IEvent}) type to listen for - * @param {function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function() {}, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart - Chart from which to remove the listener - * @param {string} type - The ({@link IEvent}) type to remove - * @param {function} listener - The listener function to remove from the event target. - */ - removeEventListener: function() {} - -}, implementation); - -core_defaults._set('global', { - plugins: {} -}); - -/** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ -var core_plugins = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - register: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - unregister: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function() { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {number} - * @since 2.1.5 - */ - count: function() { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {IPlugin[]} array of plugin objects. - * @since 2.1.5 - */ - getAll: function() { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Chart} chart - The chart instance for which plugins should be called. - * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {boolean} false if any of the plugins return false, else returns true. - */ - notify: function(chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {object[]} [{ plugin, options }] - * @private - */ - descriptors: function(chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function(plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers$1.clone(core_defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function(chart) { - delete chart.$plugins; - } -}; - -var core_scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function(type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers$1.clone(scaleDefaults); - }, - getScaleConstructor: function(type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function(type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers$1.merge({}, [core_defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function(type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers$1.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function(chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers$1.each(chart.scales, function(scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - core_layouts.addBox(chart, scale); - }); - } -}; - -var valueOrDefault$7 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers$1.noop, - title: function(tooltipItems, data) { - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - if (item.label) { - title = item.label; - } else if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers$1.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers$1.noop, - label: function(tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - if (!helpers$1.isNullOrUndef(tooltipItem.value)) { - label += tooltipItem.value; - } else { - label += tooltipItem.yLabel; - } - return label; - }, - labelColor: function(tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function() { - return this._options.bodyFontColor; - }, - afterLabel: helpers$1.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers$1.noop, - footer: helpers$1.noop, - afterFooter: helpers$1.noop - } - } -}); - -var positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {object} tooltip position - */ - average: function(elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: x / count, - y: y / count - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {object} the position of the event in canvas coordinates - * @returns {object} the tooltip position - */ - nearest: function(elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers$1.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } -}; - -// Helper to push or concat based on if the 2nd parameter is an array or not -function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers$1.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; -} - -/** - * Returns array of strings split by newline - * @param {string} value - The value to split by newline. - * @returns {string[]} value if newline present - Returned from String split() method - * @function - */ -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; -} - - -/** - * Private helper to create a tooltip item model - * @param element - the chart element (point, arc, bar) to create the tooltip item for - * @return new tooltip item - */ -function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - var controller = element._chart.getDatasetMeta(datasetIndex).controller; - var indexScale = controller._getIndexScale(); - var valueScale = controller._getValueScale(); - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '', - value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; -} - -/** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {object} the tooltip options - */ -function getBaseModel(tooltipOpts) { - var globalDefaults = core_defaults.global; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault$7(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault$7(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault$7(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault$7(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault$7(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault$7(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault$7(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault$7(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault$7(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; -} - -/** - * Get the size of the tooltip - */ -function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function(count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers$1.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers$1.each(body, function(bodyItem) { - helpers$1.each(bodyItem.before, maxLineWidth); - helpers$1.each(bodyItem.lines, maxLineWidth); - helpers$1.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers$1.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; -} - -/** - * Helper to get the alignment of a tooltip given the size - */ -function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function(x) { - return x <= midX; - }; - rf = function(x) { - return x > midX; - }; - } else { - lf = function(x) { - return x <= (size.width / 2); - }; - rf = function(x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function(x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function(x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function(y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; -} - -/** - * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ -function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; -} - -function getAlignedX(vm, align) { - return align === 'center' - ? vm.x + vm.width / 2 - : align === 'right' - ? vm.x + vm.width - vm.xPadding - : vm.x + vm.xPadding; -} - -/** - * Helper to build before and after body lines - */ -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); -} - -var exports$3 = core_element.extend({ - initialize: function() { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function() { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); - }, - - // Args are: (tooltipItem, data) - getBody: function(tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers$1.each(tooltipItems, function(tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function() { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - - return lines; - }, - - update: function(changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function(a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function(a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers$1.each(tooltipItems, function(tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = tooltipPosition.x; - model.y = tooltipPosition.y; - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - - drawCaret: function(tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function(tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; - }, - - drawTitle: function(pt, vm, ctx) { - var title = vm.title; - - if (title.length) { - pt.x = getAlignedX(vm, vm._titleAlign); - - ctx.textAlign = vm._titleAlign; - ctx.textBaseline = 'top'; - - var titleFontSize = vm.titleFontSize; - var titleSpacing = vm.titleSpacing; - - ctx.fillStyle = vm.titleFontColor; - ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - var i, len; - for (i = 0, len = title.length; i < len; ++i) { - ctx.fillText(title[i], pt.x, pt.y); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === title.length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - - drawBody: function(pt, vm, ctx) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var bodyAlign = vm._bodyAlign; - var body = vm.body; - var drawColorBoxes = vm.displayColors; - var labelColors = vm.labelColors; - var xLinePadding = 0; - var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0; - var textColor; - - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'top'; - ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - pt.x = getAlignedX(vm, bodyAlign); - - // Before Body - var fillLineOfText = function(line) { - ctx.fillText(line, pt.x + xLinePadding, pt.y); - pt.y += bodyFontSize + bodySpacing; - }; - - // Before body lines - ctx.fillStyle = vm.bodyFontColor; - helpers$1.each(vm.beforeBody, fillLineOfText); - - xLinePadding = drawColorBoxes && bodyAlign !== 'right' - ? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2) - : 0; - - // Draw body lines now - helpers$1.each(body, function(bodyItem, i) { - textColor = vm.labelTextColors[i]; - ctx.fillStyle = textColor; - helpers$1.each(bodyItem.before, fillLineOfText); - - helpers$1.each(bodyItem.lines, function(line) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = vm.legendColorBackground; - ctx.fillRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = labelColors[i].borderColor; - ctx.strokeRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = labelColors[i].backgroundColor; - ctx.fillRect(colorX + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(line); - }); - - helpers$1.each(bodyItem.after, fillLineOfText); - }); - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers$1.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - - drawFooter: function(pt, vm, ctx) { - var footer = vm.footer; - - if (footer.length) { - pt.x = getAlignedX(vm, vm._footerAlign); - pt.y += vm.footerMarginTop; - - ctx.textAlign = vm._footerAlign; - ctx.textBaseline = 'top'; - - ctx.fillStyle = vm.footerFontColor; - ctx.font = helpers$1.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - helpers$1.each(footer, function(line) { - ctx.fillText(line, pt.x, pt.y); - pt.y += vm.footerFontSize + vm.footerSpacing; - }); - } - }, - - drawBackground: function(pt, vm, ctx, tooltipSize) { - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize); - - // Draw Title, Body, and Footer - pt.y += vm.yPadding; - - // Titles - this.drawTitle(pt, vm, ctx); - - // Body - this.drawBody(pt, vm, ctx); - - // Footer - this.drawFooter(pt, vm, ctx); - - ctx.restore(); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {boolean} true if the tooltip changed - */ - handleEvent: function(e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - } - - // Remember Last Actives - changed = !helpers$1.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } -}); - -/** - * @namespace Chart.Tooltip.positioners - */ -var positioners_1 = positioners; - -var core_tooltip = exports$3; -core_tooltip.positioners = positioners_1; - -var valueOrDefault$8 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - elements: {}, - events: [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - maintainAspectRatio: true, - responsive: true, - responsiveAnimationDuration: 0 -}); - -/** - * Recursively merge the given config objects representing the `scales` option - * by incorporating scale defaults in `xAxes` and `yAxes` array items, then - * returns a deep copy of the result, thus doesn't alter inputs. - */ -function mergeScaleConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = valueOrDefault$8(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers$1.merge(target[key][i], scale); - } - } - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -/** - * Recursively merge the given config objects as the root options by handling - * default scale options for the `scales` and `scale` properties, then returns - * a deep copy of the result, thus doesn't alter inputs. - */ -function mergeConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = mergeScaleConfig(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -function initConfig(config) { - config = config || {}; - - // Do NOT use mergeConfig for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = mergeConfig( - core_defaults.global, - core_defaults[config.type], - config.options || {}); - - return config; -} - -function updateConfig(chart) { - var newOptions = chart.options; - - helpers$1.each(chart.scales, function(scale) { - core_layouts.removeBox(chart, scale); - }); - - newOptions = mergeConfig( - core_defaults.global, - core_defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); -} - -function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; -} - -var Chart = function(item, config) { - this.construct(item, config); - return this; -}; - -helpers$1.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function(item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers$1.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function() { - return me.config.data; - }, - set: function(value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function() { - var me = this; - - // Before init plugin notification - core_plugins.notify(me, 'beforeInit'); - - helpers$1.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - // Make sure scales have IDs and are built before we build any controllers. - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - me.initToolTip(); - - // After init plugin notification - core_plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function() { - helpers$1.canvas.clear(this); - return this; - }, - - stop: function() { - // Stops any current animation loop occurring - core_animations.cancelAnimation(this); - return this; - }, - - resize: function(silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed - var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers$1.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = {width: newWidth, height: newHeight}; - core_plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (options.onResize) { - options.onResize(me, newSize); - } - - me.stop(); - me.update({ - duration: options.responsiveAnimationDuration - }); - } - }, - - ensureScalesHaveIDs: function() { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) { - xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); - }); - - helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) { - yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function() { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function(obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function(xAxisOptions) { - return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; - }), - (options.scales.yAxes || []).map(function(yAxisOptions) { - return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers$1.each(items, function(item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = valueOrDefault$8(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = core_scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers$1.each(updated, function(hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - core_scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function() { - var me = this; - var newControllers = []; - - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - var meta = me.getDatasetMeta(datasetIndex); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(datasetIndex); - meta = me.getDatasetMeta(datasetIndex); - } - meta.type = type; - - if (meta.controller) { - meta.controller.updateIndex(datasetIndex); - meta.controller.linkScales(); - } else { - var ControllerClass = controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, datasetIndex); - newControllers.push(meta.controller); - } - }, me); - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function() { - var me = this; - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function() { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - core_plugins._invalidate(me); - - if (core_plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); - }, me); - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers$1.each(newControllers, function(controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - core_plugins.notify(me, 'afterUpdate'); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeLayout') === false) { - return; - } - - core_layouts.update(this, this.width, this.height); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_plugins.notify(me, 'afterScaleUpdate'); - core_plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - core_plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function(index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller.update(); - - core_plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var animationOptions = me.options.animation; - var duration = valueOrDefault$8(config.duration, animationOptions && animationOptions.duration); - var lazy = config.lazy; - - if (core_plugins.notify(me, 'beforeRender') === false) { - return; - } - - var onComplete = function(animation) { - core_plugins.notify(me, 'afterRender'); - helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && duration) { - var animation = new core_animation({ - numSteps: duration / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function(chart, animationObject) { - var easingFunction = helpers$1.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - core_animations.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new core_animation({numSteps: 0, chart: me})); - } - - return me; - }, - - draw: function(easingValue) { - var me = this; - - me.clear(); - - if (helpers$1.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (me.width <= 0 || me.height <= 0) { - return; - } - - if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Draw all the scales - helpers$1.each(me.boxes, function(box) { - box.draw(me.chartArea); - }, me); - - me.drawDatasets(easingValue); - me._drawTooltip(easingValue); - - core_plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function(easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function(easingValue) { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - // Draw datasets reversed to support proper line stacking - for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { - if (me.isDatasetVisible(i)) { - me.drawDataset(i, easingValue); - } - } - - core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function(index, easingValue) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - core_plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function(easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - core_plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - /** - * Get the single element that was clicked on - * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - */ - getElementAtEvent: function(e) { - return core_interaction.modes.single(this, e); - }, - - getElementsAtEvent: function(e) { - return core_interaction.modes.label(this, e, {intersect: true}); - }, - - getElementsAtXAxis: function(e) { - return core_interaction.modes['x-axis'](this, e, {intersect: true}); - }, - - getElementsAtEventForMode: function(e, mode, options) { - var method = core_interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function(e) { - return core_interaction.modes.dataset(this, e, {intersect: true}); - }, - - getDatasetMeta: function(datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null - }; - } - - return meta; - }, - - getVisibleDatasetCount: function() { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function(datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function() { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function(datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function() { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers$1.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - core_plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function() { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function() { - var me = this; - me.tooltip = new core_tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function() { - var me = this; - var listeners = me._listeners = {}; - var listener = function() { - me.eventHandler.apply(me, arguments); - }; - - helpers$1.each(me.options.events, function(type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function() { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function() { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers$1.each(listeners, function(listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function(elements, mode, enabled) { - var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[method](element); - } - } - }, - - /** - * @private - */ - eventHandler: function(e) { - var me = this; - var tooltip = me.tooltip; - - if (core_plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - core_plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render({ - duration: me.options.hover.animationDuration, - lazy: true - }); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {boolean} true if the chart needs to re-render - */ - handleEvent: function(e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers$1.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } -}); - -/** - * NOTE(SB) We actually don't use this container anymore but we need to keep it - * for backward compatibility. Though, it can still be useful for plugins that - * would need to work on multiple charts?! - */ -Chart.instances = {}; - -var core_controller = Chart; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6 - * @todo remove at version 3 - * @private - */ -Chart.Controller = Chart; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -Chart.types = {}; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.configMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.configMerge = mergeConfig; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.scaleMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.scaleMerge = mergeScaleConfig; - -var core_helpers = function() { - - // -- Basic js utility methods - - helpers$1.where = function(collection, filterCallback) { - if (helpers$1.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers$1.each(collection, function(item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers$1.findIndex = Array.prototype.findIndex ? - function(array, callback, scope) { - return array.findIndex(callback, scope); - } : - function(array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers$1.isNumber = function(n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers$1.almostEquals = function(x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers$1.almostWhole = function(x, epsilon) { - var rounded = Math.round(x); - return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); - }; - helpers$1.max = function(array) { - return array.reduce(function(max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers$1.min = function(array) { - return array.reduce(function(min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers$1.sign = Math.sign ? - function(x) { - return Math.sign(x); - } : - function(x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers$1.log10 = Math.log10 ? - function(x) { - return Math.log10(x); - } : - function(x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - }; - helpers$1.toRadians = function(degrees) { - return degrees * (Math.PI / 180); - }; - helpers$1.toDegrees = function(radians) { - return radians * (180 / Math.PI); - }; - - /** - * Returns the number of decimal places - * i.e. the number of digits after the decimal point, of the value of this Number. - * @param {number} x - A number. - * @returns {number} The number of decimal places. - * @private - */ - helpers$1._decimalPlaces = function(x) { - if (!helpers$1.isFinite(x)) { - return; - } - var e = 1; - var p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; - }; - - // Gets the angle from vertical upright to the point about a centre. - helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers$1.distanceBetweenPoints = function(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.helpers.aliasPixel - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - helpers$1.aliasPixel = function(pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - - /** - * Returns the aligned pixel value to avoid anti-aliasing blur - * @param {Chart} chart - The chart instance. - * @param {number} pixel - A pixel value. - * @param {number} width - The width of the element. - * @returns {number} The aligned pixel value. - * @private - */ - helpers$1._alignPixel = function(chart, pixel, width) { - var devicePixelRatio = chart.currentDevicePixelRatio; - var halfWidth = width / 2; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; - }; - - helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers$1.EPSILON = Number.EPSILON || 1e-14; - helpers$1.splineCurveMonotone = function(points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function(point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers$1.nextItem = function(collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers$1.previousItem = function(collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers$1.niceNum = function(range, round) { - var exponent = Math.floor(helpers$1.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers$1.requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback) { - return window.setTimeout(callback, 1000 / 60); - }; - }()); - // -- DOM methods - helpers$1.getRelativePosition = function(evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.target || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - /** - * Returns the max width or height of the given DOM node in a cross-browser compatible fashion - * @param {HTMLElement} domNode - the node to check the constraint on - * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height') - * @param {string} percentageProperty - property of parent to use when calculating width as a percentage - * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser} - */ - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = helpers$1._getParentNode(domNode); - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - // returns Number or undefined if no constraint - helpers$1.getConstraintWidth = function(domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers$1.getConstraintHeight = function(domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - /** - * @private - */ - helpers$1._calculatePadding = function(container, padding, parentDimension) { - padding = helpers$1.getStyle(container, padding); - - return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10); - }; - /** - * @private - */ - helpers$1._getParentNode = function(domNode) { - var parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; - }; - helpers$1.getMaximumWidth = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientWidth; - } - - var clientWidth = container.clientWidth; - var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth); - var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth); - - var w = clientWidth - paddingLeft - paddingRight; - var cw = helpers$1.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers$1.getMaximumHeight = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientHeight; - } - - var clientHeight = container.clientHeight; - var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight); - var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight); - - var h = clientHeight - paddingTop - paddingBottom; - var ch = helpers$1.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers$1.getStyle = function(el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers$1.retinaScale = function(chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers$1.longestText = function(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - helpers$1.each(arrayOfThings, function(thing) { - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) { - longest = helpers$1.measureText(ctx, data, gc, longest, thing); - } else if (helpers$1.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - helpers$1.each(thing, function(nestedThing) { - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) { - longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing); - } - }); - } - }); - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (var i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers$1.measureText = function(ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - helpers$1.numberOfLabelLines = function(arrayOfThings) { - var numberOfLines = 1; - helpers$1.each(arrayOfThings, function(thing) { - if (helpers$1.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers$1.color = !chartjsColor ? - function(value) { - console.error('Color.js not found!'); - return value; - } : - function(value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = core_defaults.global.defaultColor; - } - - return chartjsColor(value); - }; - - helpers$1.getHoverColor = function(colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ? - colorValue : - helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; -}; - -function abstract() { - throw new Error( - 'This method is not implemented: either no adapter can ' + - 'be found or an incomplete integration was provided.' - ); -} - -/** - * Date adapter (current used by the time scale) - * @namespace Chart._adapters._date - * @memberof Chart._adapters - * @private - */ - -/** - * Currently supported unit string values. - * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')} - * @memberof Chart._adapters._date - * @name Unit - */ - -/** - * @class - */ -function DateAdapter(options) { - this.options = options || {}; -} - -helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ { - /** - * Returns a map of time formats for the supported formatting units defined - * in Unit as well as 'datetime' representing a detailed date/time string. - * @returns {{string: string}} - */ - formats: abstract, - - /** - * Parses the given `value` and return the associated timestamp. - * @param {any} value - the value to parse (usually comes from the data) - * @param {string} [format] - the expected data format - * @returns {(number|null)} - * @function - */ - parse: abstract, - - /** - * Returns the formatted date in the specified `format` for a given `timestamp`. - * @param {number} timestamp - the timestamp to format - * @param {string} format - the date/time token - * @return {string} - * @function - */ - format: abstract, - - /** - * Adds the specified `amount` of `unit` to the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {number} amount - the amount to add - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - add: abstract, - - /** - * Returns the number of `unit` between the given timestamps. - * @param {number} max - the input timestamp (reference) - * @param {number} min - the timestamp to substract - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - diff: abstract, - - /** - * Returns start of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @param {number} [weekday] - the ISO day of the week with 1 being Monday - * and 7 being Sunday (only needed if param *unit* is `isoWeek`). - * @function - */ - startOf: abstract, - - /** - * Returns end of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @function - */ - endOf: abstract, - - // DEPRECATIONS - - /** - * Provided for backward compatibility for scale.getValueForPixel(), - * this method should be overridden only by the moment adapter. - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(value) { - return value; - } -}); - -DateAdapter.override = function(members) { - helpers$1.extend(DateAdapter.prototype, members); -}; - -var _date = DateAdapter; - -var core_adapters = { - _date: _date -}; - -/** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ -var core_ticks = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {string|string[]} the label to display - */ - values: function(value) { - return helpers$1.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {number} the value to be formatted - * @param index {number} the position of the tickValue parameter in the ticks array - * @param ticks {number[]} the list of ticks being converted - * @return {string} string representation of the tickValue parameter - */ - linear: function(tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers$1.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); - if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation - var logTick = helpers$1.log10(Math.abs(tickValue)); - tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); - } else { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function(tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } -}; - -var valueOrDefault$9 = helpers$1.valueOrDefault; -var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault; - -core_defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: core_ticks.formatters.values, - minor: {}, - major: {} - } -}); - -function labelsFromTicks(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(ticks[i].label); - } - - return labels; -} - -function getPixelForGridLine(scale, index, offsetGridLines) { - var lineValue = scale.getPixelForTick(index); - - if (offsetGridLines) { - if (scale.getTicks().length === 1) { - lineValue -= scale.isHorizontal() ? - Math.max(lineValue - scale.left, scale.right - lineValue) : - Math.max(lineValue - scale.top, scale.bottom - lineValue); - } else if (index === 0) { - lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; - } else { - lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; - } - } - return lineValue; -} - -function computeTextSize(context, tick, font) { - return helpers$1.isArray(tick) ? - helpers$1.longestText(context, font, tick) : - context.measureText(tick).width; -} - -var core_scale = core_element.extend({ - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function() { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function() { - return this._ticks; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - mergeTicksOptions: function() { - var ticks = this.options.ticks; - if (ticks.minor === false) { - ticks.minor = { - display: false - }; - } - if (ticks.major === false) { - ticks.major = { - display: false - }; - } - for (var key in ticks) { - if (key !== 'major' && key !== 'minor') { - if (typeof ticks.minor[key] === 'undefined') { - ticks.minor[key] = ticks[key]; - } - if (typeof ticks.major[key] === 'undefined') { - ticks.major[key] = ticks[key]; - } - } - } - }, - beforeUpdate: function() { - helpers$1.callback(this.options.beforeUpdate, [this]); - }, - - update: function(maxWidth, maxHeight, margins) { - var me = this; - var i, ilen, labels, label, ticks, tick; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers$1.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - - me._maxLabelLines = 0; - me.longestLabelWidth = 0; - me.longestTextCache = me.longestTextCache || {}; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - // Allow modification of ticks in callback. - ticks = me.afterBuildTicks(ticks) || ticks; - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = labels.length; i < ilen; ++i) { - label = labels[i]; - tick = ticks[i]; - if (!tick) { - ticks.push(tick = { - label: label, - major: false - }); - } else { - tick.label = label; - } - } - - me._ticks = ticks; - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: function() { - helpers$1.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function() { - helpers$1.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function() { - helpers$1.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function() { - helpers$1.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers$1.noop, - afterDataLimits: function() { - helpers$1.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function() { - helpers$1.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers$1.noop, - afterBuildTicks: function(ticks) { - var me = this; - // ticks is empty for old axis implementations here - if (helpers$1.isArray(ticks) && ticks.length) { - return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]); - } - // Support old implementations (that modified `this.ticks` directly in buildTicks) - me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks; - return ticks; - }, - - beforeTickToLabelConversion: function() { - helpers$1.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function() { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function() { - helpers$1.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function() { - helpers$1.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function() { - var me = this; - var context = me.ctx; - var tickOpts = me.options.ticks; - var labels = labelsFromTicks(me._ticks); - - // Get the width of each grid by calculating the difference - // between x offsets between 0 and 1. - var tickFont = helpers$1.options._parseFont(tickOpts); - context.font = tickFont.string; - - var labelRotation = tickOpts.minRotation || 0; - - if (labels.length && me.options.display && me.isHorizontal()) { - var originalLabelWidth = helpers$1.longestText(context, tickFont.string, labels, me.longestTextCache); - var labelWidth = originalLabelWidth; - var cosRotation, sinRotation; - - // Allow 3 pixels x2 padding either side for label readability - var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; - - // Max label rotation can be set or default to 90 - also act as a loop counter - while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { - var angleRadians = helpers$1.toRadians(labelRotation); - cosRotation = Math.cos(angleRadians); - sinRotation = Math.sin(angleRadians); - - if (sinRotation * originalLabelWidth > me.maxHeight) { - // go back one step - labelRotation--; - break; - } - - labelRotation++; - labelWidth = cosRotation * originalLabelWidth; - } - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function() { - helpers$1.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function() { - helpers$1.callback(this.options.beforeFit, [this]); - }, - fit: function() { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var labels = labelsFromTicks(me._ticks); - - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = me._isVisible(); - var position = opts.position; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var tickFont = parseFont(tickOpts); - var tickMarkLength = opts.gridLines.tickMarkLength; - - // Width - if (isHorizontal) { - // subtract the margins to line up with the chartArea if we are a full width scale - minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; - } else { - minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } - - // height - if (isHorizontal) { - minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } else { - minSize.height = me.maxHeight; // fill all the height - } - - // Are we showing a title for the scale? - if (scaleLabelOpts.display && display) { - var scaleLabelFont = parseFont(scaleLabelOpts); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabelOpts.padding); - var deltaHeight = scaleLabelFont.lineHeight + scaleLabelPadding.height; - - if (isHorizontal) { - minSize.height += deltaHeight; - } else { - minSize.width += deltaHeight; - } - } - - // Don't bother fitting the ticks if we are not showing the labels - if (tickOpts.display && display) { - var largestTextWidth = helpers$1.longestText(me.ctx, tickFont.string, labels, me.longestTextCache); - var tallestLabelHeightInLines = helpers$1.numberOfLabelLines(labels); - var lineSpace = tickFont.size * 0.5; - var tickPadding = me.options.ticks.padding; - - // Store max number of lines and widest label for _autoSkip - me._maxLabelLines = tallestLabelHeightInLines; - me.longestLabelWidth = largestTextWidth; - - if (isHorizontal) { - var angleRadians = helpers$1.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - // TODO - improve this calculation - var labelHeight = (sinRotation * largestTextWidth) - + (tickFont.lineHeight * tallestLabelHeightInLines) - + lineSpace; // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - me.ctx.font = tickFont.string; - var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.string); - var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.string); - var offsetLeft = me.getPixelForTick(0) - me.left; - var offsetRight = me.right - me.getPixelForTick(labels.length - 1); - var paddingLeft, paddingRight; - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (me.labelRotation !== 0) { - paddingLeft = position === 'bottom' ? (cosRotation * firstLabelWidth) : (cosRotation * lineSpace); - paddingRight = position === 'bottom' ? (cosRotation * lineSpace) : (cosRotation * lastLabelWidth); - } else { - paddingLeft = firstLabelWidth / 2; - paddingRight = lastLabelWidth / 2; - } - me.paddingLeft = Math.max(paddingLeft - offsetLeft, 0) + 3; // add 3 px to move away from canvas edges - me.paddingRight = Math.max(paddingRight - offsetRight, 0) + 3; - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - if (tickOpts.mirror) { - largestTextWidth = 0; - } else { - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - largestTextWidth += tickPadding + lineSpace; - } - - minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); - - me.paddingTop = tickFont.size / 2; - me.paddingBottom = tickFont.size / 2; - } - } - - me.handleMargins(); - - me.width = minSize.width; - me.height = minSize.height; - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function() { - var me = this; - if (me.margins) { - me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); - me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); - me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); - me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); - } - }, - - afterFit: function() { - helpers$1.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - isFullWidth: function() { - return (this.options.fullWidth); - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function(rawValue) { - // Null and undefined values first - if (helpers$1.isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) { - return NaN; - } - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers$1.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers$1.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers$1.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function(index) { - var me = this; - var offset = me.options.offset; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var pixel = (tickWidth * index) + me.paddingLeft; - - if (offset) { - pixel += tickWidth / 2; - } - - var finalVal = me.left + pixel; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - var innerHeight = me.height - (me.paddingTop + me.paddingBottom); - return me.top + (index * (innerHeight / (me._ticks.length - 1))); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function(decimal) { - var me = this; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var valueOffset = (innerWidth * decimal) + me.paddingLeft; - - var finalVal = me.left + valueOffset; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - return me.top + (decimal * me.height); - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function() { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function(ticks) { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - var tickCount = ticks.length; - var skipRatio = false; - var maxTicks = optionTicks.maxTicksLimit; - - // Total space needed to display all ticks. First and last ticks are - // drawn as their center at end of axis, so tickCount-1 - var ticksLength = me._tickSize() * (tickCount - 1); - - // Axis length - var axisLength = isHorizontal - ? me.width - (me.paddingLeft + me.paddingRight) - : me.height - (me.paddingTop + me.PaddingBottom); - - var result = []; - var i, tick; - - if (ticksLength > axisLength) { - skipRatio = 1 + Math.floor(ticksLength / axisLength); - } - - // if they defined a max number of optionTicks, - // increase skipRatio until that number is met - if (tickCount > maxTicks) { - skipRatio = Math.max(skipRatio, 1 + Math.floor(tickCount / maxTicks)); - } - - for (i = 0; i < tickCount; i++) { - tick = ticks[i]; - - if (skipRatio > 1 && i % skipRatio > 0) { - // leave tick in place but make sure it's not displayed (#4635) - delete tick.label; - } - result.push(tick); - } - return result; - }, - - /** - * @private - */ - _tickSize: function() { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - - // Calculate space needed by label in axis direction. - var rot = helpers$1.toRadians(me.labelRotation); - var cos = Math.abs(Math.cos(rot)); - var sin = Math.abs(Math.sin(rot)); - - var padding = optionTicks.autoSkipPadding || 0; - var w = (me.longestLabelWidth + padding) || 0; - - var tickFont = helpers$1.options._parseFont(optionTicks); - var h = (me._maxLabelLines * tickFont.lineHeight + padding) || 0; - - // Calculate space needed for 1 tick in axis direction. - return isHorizontal - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - }, - - /** - * @private - */ - _isVisible: function() { - var me = this; - var chart = me.chart; - var display = me.options.display; - var i, ilen, meta; - - if (display !== 'auto') { - return !!display; - } - - // When 'auto', the scale is visible if at least one associated dataset is visible. - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - if (meta.xAxisID === me.id || meta.yAxisID === me.id) { - return true; - } - } - } - - return false; - }, - - /** - * Actually draw the scale on the canvas - * @param {object} chartArea - the area of the chart to draw full grid lines on - */ - draw: function(chartArea) { - var me = this; - var options = me.options; - - if (!me._isVisible()) { - return; - } - - var chart = me.chart; - var context = me.ctx; - var globalDefaults = core_defaults.global; - var defaultFontColor = globalDefaults.defaultFontColor; - var optionTicks = options.ticks.minor; - var optionMajorTicks = options.ticks.major || optionTicks; - var gridLines = options.gridLines; - var scaleLabel = options.scaleLabel; - var position = options.position; - - var isRotated = me.labelRotation !== 0; - var isMirrored = optionTicks.mirror; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var ticks = optionTicks.display && optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); - var tickFontColor = valueOrDefault$9(optionTicks.fontColor, defaultFontColor); - var tickFont = parseFont(optionTicks); - var lineHeight = tickFont.lineHeight; - var majorTickFontColor = valueOrDefault$9(optionMajorTicks.fontColor, defaultFontColor); - var majorTickFont = parseFont(optionMajorTicks); - var tickPadding = optionTicks.padding; - var labelOffset = optionTicks.labelOffset; - - var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; - - var scaleLabelFontColor = valueOrDefault$9(scaleLabel.fontColor, defaultFontColor); - var scaleLabelFont = parseFont(scaleLabel); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding); - var labelRotationRadians = helpers$1.toRadians(me.labelRotation); - - var itemsToDraw = []; - - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var alignPixel = helpers$1._alignPixel; - var borderValue, tickStart, tickEnd; - - if (position === 'top') { - borderValue = alignPixel(chart, me.bottom, axisWidth); - tickStart = me.bottom - tl; - tickEnd = borderValue - axisWidth / 2; - } else if (position === 'bottom') { - borderValue = alignPixel(chart, me.top, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.top + tl; - } else if (position === 'left') { - borderValue = alignPixel(chart, me.right, axisWidth); - tickStart = me.right - tl; - tickEnd = borderValue - axisWidth / 2; - } else { - borderValue = alignPixel(chart, me.left, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.left + tl; - } - - var epsilon = 0.0000001; // 0.0000001 is margin in pixels for Accumulated error. - - helpers$1.each(ticks, function(tick, index) { - // autoskipper skipped this tick (#4635) - if (helpers$1.isNullOrUndef(tick.label)) { - return; - } - - var label = tick.label; - var lineWidth, lineColor, borderDash, borderDashOffset; - if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash || []; - borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0; - } else { - lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, index); - lineColor = valueAtIndexOrDefault(gridLines.color, index); - borderDash = gridLines.borderDash || []; - borderDashOffset = gridLines.borderDashOffset || 0.0; - } - - // Common properties - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY, textOffset, textAlign; - var labelCount = helpers$1.isArray(label) ? label.length : 1; - var lineValue = getPixelForGridLine(me, index, gridLines.offsetGridLines); - - if (isHorizontal) { - var labelYOffset = tl + tickPadding; - - if (lineValue < me.left - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tx2 = x1 = x2 = alignPixel(chart, lineValue, lineWidth); - ty1 = tickStart; - ty2 = tickEnd; - labelX = me.getPixelForTick(index) + labelOffset; // x values for optionTicks (need to consider offsetLabel option) - - if (position === 'top') { - y1 = alignPixel(chart, chartArea.top, axisWidth) + axisWidth / 2; - y2 = chartArea.bottom; - textOffset = ((!isRotated ? 0.5 : 1) - labelCount) * lineHeight; - textAlign = !isRotated ? 'center' : 'left'; - labelY = me.bottom - labelYOffset; - } else { - y1 = chartArea.top; - y2 = alignPixel(chart, chartArea.bottom, axisWidth) - axisWidth / 2; - textOffset = (!isRotated ? 0.5 : 0) * lineHeight; - textAlign = !isRotated ? 'center' : 'right'; - labelY = me.top + labelYOffset; - } - } else { - var labelXOffset = (isMirrored ? 0 : tl) + tickPadding; - - if (lineValue < me.top - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tickStart; - tx2 = tickEnd; - ty1 = ty2 = y1 = y2 = alignPixel(chart, lineValue, lineWidth); - labelY = me.getPixelForTick(index) + labelOffset; - textOffset = (1 - labelCount) * lineHeight / 2; - - if (position === 'left') { - x1 = alignPixel(chart, chartArea.left, axisWidth) + axisWidth / 2; - x2 = chartArea.right; - textAlign = isMirrored ? 'left' : 'right'; - labelX = me.right - labelXOffset; - } else { - x1 = chartArea.left; - x2 = alignPixel(chart, chartArea.right, axisWidth) - axisWidth / 2; - textAlign = isMirrored ? 'right' : 'left'; - labelX = me.left + labelXOffset; - } - } - - itemsToDraw.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - labelX: labelX, - labelY: labelY, - glWidth: lineWidth, - glColor: lineColor, - glBorderDash: borderDash, - glBorderDashOffset: borderDashOffset, - rotation: -1 * labelRotationRadians, - label: label, - major: tick.major, - textOffset: textOffset, - textAlign: textAlign - }); - }); - - // Draw all of the tick labels, tick marks, and grid lines at the correct places - helpers$1.each(itemsToDraw, function(itemToDraw) { - var glWidth = itemToDraw.glWidth; - var glColor = itemToDraw.glColor; - - if (gridLines.display && glWidth && glColor) { - context.save(); - context.lineWidth = glWidth; - context.strokeStyle = glColor; - if (context.setLineDash) { - context.setLineDash(itemToDraw.glBorderDash); - context.lineDashOffset = itemToDraw.glBorderDashOffset; - } - - context.beginPath(); - - if (gridLines.drawTicks) { - context.moveTo(itemToDraw.tx1, itemToDraw.ty1); - context.lineTo(itemToDraw.tx2, itemToDraw.ty2); - } - - if (gridLines.drawOnChartArea) { - context.moveTo(itemToDraw.x1, itemToDraw.y1); - context.lineTo(itemToDraw.x2, itemToDraw.y2); - } - - context.stroke(); - context.restore(); - } - - if (optionTicks.display) { - // Make sure we draw text in the correct color and font - context.save(); - context.translate(itemToDraw.labelX, itemToDraw.labelY); - context.rotate(itemToDraw.rotation); - context.font = itemToDraw.major ? majorTickFont.string : tickFont.string; - context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; - context.textBaseline = 'middle'; - context.textAlign = itemToDraw.textAlign; - - var label = itemToDraw.label; - var y = itemToDraw.textOffset; - if (helpers$1.isArray(label)) { - for (var i = 0; i < label.length; ++i) { - // We just make sure the multiline element is a string here.. - context.fillText('' + label[i], 0, y); - y += lineHeight; - } - } else { - context.fillText(label, 0, y); - } - context.restore(); - } - }); - - if (scaleLabel.display) { - // Draw the scale label - var scaleLabelX; - var scaleLabelY; - var rotation = 0; - var halfLineHeight = scaleLabelFont.lineHeight / 2; - - if (isHorizontal) { - scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width - scaleLabelY = position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + ((me.bottom - me.top) / 2); - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - context.save(); - context.translate(scaleLabelX, scaleLabelY); - context.rotate(rotation); - context.textAlign = 'center'; - context.textBaseline = 'middle'; - context.fillStyle = scaleLabelFontColor; // render in correct colour - context.font = scaleLabelFont.string; - context.fillText(scaleLabel.labelString, 0, 0); - context.restore(); - } - - if (axisWidth) { - // Draw the line at the edge of the axis - var firstLineWidth = axisWidth; - var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, ticks.length - 1, 0); - var x1, x2, y1, y2; - - if (isHorizontal) { - x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2; - x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2; - y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - - context.lineWidth = axisWidth; - context.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0); - context.beginPath(); - context.moveTo(x1, y1); - context.lineTo(x2, y2); - context.stroke(); - } - } -}); - -var defaultConfig = { - position: 'bottom' -}; - -var scale_category = core_scale.extend({ - /** - * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those - * else fall back to data.labels - * @private - */ - getLabels: function() { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; - }, - - determineDataLimits: function() { - var me = this; - var labels = me.getLabels(); - me.minIndex = 0; - me.maxIndex = labels.length - 1; - var findIndex; - - if (me.options.ticks.min !== undefined) { - // user specified min value - findIndex = labels.indexOf(me.options.ticks.min); - me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; - } - - if (me.options.ticks.max !== undefined) { - // user specified max value - findIndex = labels.indexOf(me.options.ticks.max); - me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; - } - - me.min = labels[me.minIndex]; - me.max = labels[me.maxIndex]; - }, - - buildTicks: function() { - var me = this; - var labels = me.getLabels(); - // If we are viewing some subset of labels, slice the original array - me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var chart = me.chart; - - if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) { - return me.getRightValue(chart.data.datasets[datasetIndex].data[index]); - } - - return me.ticks[index - me.minIndex]; - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function(value, index) { - var me = this; - var offset = me.options.offset; - // 1 is added because we need the length but we have the indexes - var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - var valueCategory; - if (value !== undefined && value !== null) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - var labels = me.getLabels(); - value = valueCategory || value; - var idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - } - - if (me.isHorizontal()) { - var valueWidth = me.width / offsetAmt; - var widthOffset = (valueWidth * (index - me.minIndex)); - - if (offset) { - widthOffset += (valueWidth / 2); - } - - return me.left + widthOffset; - } - var valueHeight = me.height / offsetAmt; - var heightOffset = (valueHeight * (index - me.minIndex)); - - if (offset) { - heightOffset += (valueHeight / 2); - } - - return me.top + heightOffset; - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); - }, - - getValueForPixel: function(pixel) { - var me = this; - var offset = me.options.offset; - var value; - var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var horz = me.isHorizontal(); - var valueDimension = (horz ? me.width : me.height) / offsetAmt; - - pixel -= horz ? me.left : me.top; - - if (offset) { - pixel -= (valueDimension / 2); - } - - if (pixel <= 0) { - value = 0; - } else { - value = Math.round(pixel / valueDimension); - } - - return value + me.minIndex; - }, - - getBasePixel: function() { - return this.bottom; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults = defaultConfig; -scale_category._defaults = _defaults; - -var noop = helpers$1.noop; -var isNullOrUndef = helpers$1.isNullOrUndef; - -/** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var MIN_SPACING = 1e-14; - var stepSize = generationOptions.stepSize; - var unit = stepSize || 1; - var maxNumSpaces = generationOptions.maxTicks - 1; - var min = generationOptions.min; - var max = generationOptions.max; - var precision = generationOptions.precision; - var rmin = dataRange.min; - var rmax = dataRange.max; - var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit; - var factor, niceMin, niceMax, numSpaces; - - // Beyond MIN_SPACING floating point numbers being to lose precision - // such that we can't do the math necessary to generate ticks - if (spacing < MIN_SPACING && isNullOrUndef(min) && isNullOrUndef(max)) { - return [rmin, rmax]; - } - - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxNumSpaces) { - // If the calculated num of spaces exceeds maxNumSpaces, recalculate it - spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit; - } - - if (stepSize || isNullOrUndef(precision)) { - // If a precision is not specified, calculate factor based on spacing - factor = Math.pow(10, helpers$1._decimalPlaces(spacing)); - } else { - // If the user specified a precision, round to that number of decimal places - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (stepSize) { - // If very close to our whole number, use it. - if (!isNullOrUndef(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) { - niceMin = min; - } - if (!isNullOrUndef(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) { - niceMax = max; - } - } - - numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - ticks.push(isNullOrUndef(min) ? niceMin : min); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * factor) / factor); - } - ticks.push(isNullOrUndef(max) ? niceMax : max); - - return ticks; -} - -var scale_linearbase = core_scale.extend({ - getRightValue: function(value) { - if (typeof value === 'string') { - return +value; - } - return core_scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers$1.sign(me.min); - var maxSign = helpers$1.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - - getTickLimit: function() { - var me = this; - var tickOpts = me.options.ticks; - var stepSize = tickOpts.stepSize; - var maxTicksLimit = tickOpts.maxTicksLimit; - var maxTicks; - - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me._computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - - return maxTicks; - }, - - _computeTickLimit: function() { - return Number.POSITIVE_INFINITY; - }, - - handleDirectionalChanges: noop, - - buildTicks: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 40 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - precision: tickOpts.precision, - stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - - convertTicksToLabels: function() { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - core_scale.prototype.convertTicksToLabels.call(me); - } -}); - -var defaultConfig$1 = { - position: 'left', - ticks: { - callback: core_ticks.formatters.linear - } -}; - -var scale_linear = scale_linearbase.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // First Calculate the range - me.min = null; - me.max = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = { - positiveValues: [], - negativeValues: [] - }; - } - - // Store these per type - var positiveValues = valuesPerStack[key].positiveValues; - var negativeValues = valuesPerStack[key].negativeValues; - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - positiveValues[index] = positiveValues[index] || 0; - negativeValues[index] = negativeValues[index] || 0; - - if (opts.relativePoints) { - positiveValues[index] = 100; - } else if (value < 0) { - negativeValues[index] += value; - } else { - positiveValues[index] += value; - } - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); - var minVal = helpers$1.min(values); - var maxVal = helpers$1.max(values); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - }); - } - }); - } - - me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - this.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - var me = this; - var tickFont; - - if (me.isHorizontal()) { - return Math.ceil(me.width / 40); - } - tickFont = helpers$1.options._parseFont(me.options.ticks); - return Math.ceil(me.height / tickFont.lineHeight); - }, - - // Called after the ticks are built. We need - handleDirectionalChanges: function() { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - // Utils - getPixelForValue: function(value) { - // This must be called after fit has been run so that - // this.left, this.top, this.right, and this.bottom have been defined - var me = this; - var start = me.start; - - var rightValue = +me.getRightValue(value); - var pixel; - var range = me.end - start; - - if (me.isHorizontal()) { - pixel = me.left + (me.width / range * (rightValue - start)); - } else { - pixel = me.bottom - (me.height / range * (rightValue - start)); - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var isHorizontal = me.isHorizontal(); - var innerDimension = isHorizontal ? me.width : me.height; - var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; - return me.start + ((me.end - me.start) * offset); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticksAsNumbers[index]); - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$1 = defaultConfig$1; -scale_linear._defaults = _defaults$1; - -var valueOrDefault$a = helpers$1.valueOrDefault; - -/** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks$1(generationOptions, dataRange) { - var ticks = []; - - var tickVal = valueOrDefault$a(generationOptions.min, Math.pow(10, Math.floor(helpers$1.log10(dataRange.min)))); - - var endExp = Math.floor(helpers$1.log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(helpers$1.log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(helpers$1.log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault$a(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; -} - -var defaultConfig$2 = { - position: 'left', - - // label settings - ticks: { - callback: core_ticks.formatters.logarithmic - } -}; - -// TODO(v3): change this to positiveOrDefault -function nonNegativeOrDefault(value, defaultValue) { - return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue; -} - -var scale_logarithmic = core_scale.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // Calculate Range - me.min = null; - me.max = null; - me.minNotZero = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - helpers$1.each(dataset.data, function(rawValue, index) { - var values = valuesPerStack[key]; - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - values[index] = values[index] || 0; - values[index] += value; - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers$1.min(valuesForType); - var maxVal = helpers$1.max(valuesForType); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - } - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - - if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { - me.minNotZero = value; - } - }); - } - }); - } - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - - handleTickRangeOptions: function() { - var me = this; - var tickOpts = me.options.ticks; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = nonNegativeOrDefault(tickOpts.min, me.min); - me.max = nonNegativeOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(helpers$1.log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(helpers$1.log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(helpers$1.log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - - buildTicks: function() { - var me = this; - var tickOpts = me.options.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: nonNegativeOrDefault(tickOpts.min), - max: nonNegativeOrDefault(tickOpts.max) - }; - var ticks = me.ticks = generateTicks$1(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - - convertTicksToLabels: function() { - this.tickValues = this.ticks.slice(); - - core_scale.prototype.convertTicksToLabels.call(this); - }, - - // Get the correct tooltip label - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.tickValues[index]); - }, - - /** - * Returns the value of the first tick. - * @param {number} value - The minimum not zero value. - * @return {number} The first tick value. - * @private - */ - _getFirstTickValue: function(value) { - var exp = Math.floor(helpers$1.log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - - getPixelForValue: function(value) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var offset = 0; - var innerDimension, pixel, start, end, sign; - - value = +me.getRightValue(value); - if (reverse) { - start = me.end; - end = me.start; - sign = -1; - } else { - start = me.start; - end = me.end; - sign = 1; - } - if (me.isHorizontal()) { - innerDimension = me.width; - pixel = reverse ? me.right : me.left; - } else { - innerDimension = me.height; - sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) - pixel = reverse ? me.top : me.bottom; - } - if (value !== start) { - if (start === 0) { // include zero tick - offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - innerDimension -= offset; - start = firstTickValue; - } - if (value !== 0) { - offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); - } - pixel += sign * offset; - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var innerDimension, start, end, value; - - if (reverse) { - start = me.end; - end = me.start; - } else { - start = me.start; - end = me.end; - } - if (me.isHorizontal()) { - innerDimension = me.width; - value = reverse ? me.right - pixel : pixel - me.left; - } else { - innerDimension = me.height; - value = reverse ? pixel - me.top : me.bottom - pixel; - } - if (value !== start) { - if (start === 0) { // include zero tick - var offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - value -= offset; - innerDimension -= offset; - start = firstTickValue; - } - value *= log10(end) - log10(start); - value /= innerDimension; - value = Math.pow(10, log10(start) + value); - } - return value; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$2 = defaultConfig$2; -scale_logarithmic._defaults = _defaults$2; - -var valueOrDefault$b = helpers$1.valueOrDefault; -var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault; -var resolve$7 = helpers$1.options.resolve; - -var defaultConfig$3 = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: core_ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function(label) { - return label; - } - } -}; - -function getValueCount(scale) { - var opts = scale.options; - return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; -} - -function getTickBackdropHeight(opts) { - var tickOpts = opts.ticks; - - if (tickOpts.display && opts.display) { - return valueOrDefault$b(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2; - } - return 0; -} - -function measureLabelSize(ctx, lineHeight, label) { - if (helpers$1.isArray(label)) { - return { - w: helpers$1.longestText(ctx, ctx.font, label), - h: label.length * lineHeight - }; - } - - return { - w: ctx.measureText(label).width, - h: lineHeight - }; -} - -function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - - return { - start: pos, - end: pos + size - }; -} - -/** - * Helper function to fit a radial linear scale with point labels - */ -function fitWithPointLabels(scale) { - - // Right, this is really confusing and there is a lot of maths going on here - // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - // - // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - // - // Solution: - // - // We assume the radius of the polygon is half the size of the canvas at first - // at each index we check if the text overlaps. - // - // Where it does, we store that angle and that index. - // - // After finding the largest index and angle we calculate how much we need to remove - // from the shape radius to move the point inwards by that x. - // - // We average the left and right distances to get the maximum shape radius that can fit in the box - // along with labels. - // - // Once we have that, we can find the centre point for the chart, by taking the x text protrusion - // on each side, removing that from the size, halving it and adding the left x protrusion width. - // - // This will mean we have a shape fitted to the canvas, as large as it can be with the labels - // and position it in the most space efficient manner - // - // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - - var plFont = helpers$1.options._parseFont(scale.options.pointLabels); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.string; - scale._pointLabelSizes = []; - - var valueCount = getValueCount(scale); - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, scale.drawingArea + 5); - textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i] || ''); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles); -} - -function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; -} - -function fillText(ctx, text, position, lineHeight) { - var y = position.y + lineHeight / 2; - var i, ilen; - - if (helpers$1.isArray(text)) { - for (i = 0, ilen = text.length; i < ilen; ++i) { - ctx.fillText(text[i], position.x, y); - y += lineHeight; - } - } else { - ctx.fillText(text, position.x, y); - } -} - -function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } -} - -function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var angleLineOpts = opts.angleLines; - var gridLineOpts = opts.gridLines; - var pointLabelOpts = opts.pointLabels; - var lineWidth = valueOrDefault$b(angleLineOpts.lineWidth, gridLineOpts.lineWidth); - var lineColor = valueOrDefault$b(angleLineOpts.color, gridLineOpts.color); - var tickBackdropHeight = getTickBackdropHeight(opts); - - ctx.save(); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = lineColor; - if (ctx.setLineDash) { - ctx.setLineDash(resolve$7([angleLineOpts.borderDash, gridLineOpts.borderDash, []])); - ctx.lineDashOffset = resolve$7([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]); - } - - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - - // Point Label Font - var plFont = helpers$1.options._parseFont(pointLabelOpts); - - ctx.font = plFont.string; - ctx.textBaseline = 'middle'; - - for (var i = getValueCount(scale) - 1; i >= 0; i--) { - if (angleLineOpts.display && lineWidth && lineColor) { - var outerPosition = scale.getPointPosition(i, outerDistance); - ctx.beginPath(); - ctx.moveTo(scale.xCenter, scale.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - } - - if (pointLabelOpts.display) { - // Extra pixels out for some label spacing - var extra = (i === 0 ? tickBackdropHeight / 2 : 0); - var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor); - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.lineHeight); - } - } - ctx.restore(); -} - -function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - var circular = gridLineOpts.circular; - var valueCount = getValueCount(scale); - var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1); - var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1); - var pointPosition; - - if ((!circular && !valueCount) || !lineColor || !lineWidth) { - return; - } - - ctx.save(); - ctx.strokeStyle = lineColor; - ctx.lineWidth = lineWidth; - if (ctx.setLineDash) { - ctx.setLineDash(gridLineOpts.borderDash || []); - ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0; - } - - ctx.beginPath(); - if (circular) { - // Draw circular arcs between the points - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - } else { - // Draw straight lines connecting each index - pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } - ctx.closePath(); - ctx.stroke(); - ctx.restore(); -} - -function numberOrZero(param) { - return helpers$1.isNumber(param) ? param : 0; -} - -var scale_radialLinear = scale_linearbase.extend({ - setDimensions: function() { - var me = this; - - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - }, - - convertTicksToLabels: function() { - var me = this; - - scale_linearbase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - fit: function() { - var me = this; - var opts = me.options; - - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - }, - - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - - setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - }, - - getIndexAngle: function(index) { - var angleMultiplier = (Math.PI * 2) / getValueCount(this); - var startAngle = this.chart.options && this.chart.options.startAngle ? - this.chart.options.startAngle : - 0; - - var startAngleRadians = startAngle * Math.PI * 2 / 360; - - // Start from the top instead of right, so remove a quarter of the circle - return index * angleMultiplier + startAngleRadians; - }, - - getDistanceFromCenterForValue: function(value) { - var me = this; - - if (value === null) { - return 0; // null always in center - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - - getPointPosition: function(index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter, - y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter - }; - }, - - getPointPositionForValue: function(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - draw: function() { - var me = this; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var tickOpts = opts.ticks; - - if (opts.display) { - var ctx = me.ctx; - var startAngle = this.getIndexAngle(0); - var tickFont = helpers$1.options._parseFont(tickOpts); - - if (opts.angleLines.display || opts.pointLabels.display) { - drawPointLabels(me); - } - - helpers$1.each(me.ticks, function(label, index) { - // Don't draw a centre value (if it is minimum) - if (index > 0 || tickOpts.reverse) { - var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - // Draw circular lines around the scale - if (gridLineOpts.display && index !== 0) { - drawRadiusLine(me, gridLineOpts, yCenterOffset, index); - } - - if (tickOpts.display) { - var tickFontColor = valueOrDefault$b(tickOpts.fontColor, core_defaults.global.defaultFontColor); - ctx.font = tickFont.string; - - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - - if (tickOpts.showLabelBackdrop) { - var labelWidth = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - ctx.fillRect( - -labelWidth / 2 - tickOpts.backdropPaddingX, - -yCenterOffset - tickFont.size / 2 - tickOpts.backdropPaddingY, - labelWidth + tickOpts.backdropPaddingX * 2, - tickFont.size + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -yCenterOffset); - ctx.restore(); - } - } - }); - } - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$3 = defaultConfig$3; -scale_radialLinear._defaults = _defaults$3; - -var valueOrDefault$c = helpers$1.valueOrDefault; - -// Integer constants are from the ES6 spec. -var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; -var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - -var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] - }, - second: { - common: true, - size: 1000, - steps: [1, 2, 5, 10, 15, 30] - }, - minute: { - common: true, - size: 60000, - steps: [1, 2, 5, 10, 15, 30] - }, - hour: { - common: true, - size: 3600000, - steps: [1, 2, 3, 6, 12] - }, - day: { - common: true, - size: 86400000, - steps: [1, 2, 5] - }, - week: { - common: false, - size: 604800000, - steps: [1, 2, 3, 4] - }, - month: { - common: true, - size: 2.628e9, - steps: [1, 2, 3] - }, - quarter: { - common: false, - size: 7.884e9, - steps: [1, 2, 3, 4] - }, - year: { - common: true, - size: 3.154e10 - } -}; - -var UNITS = Object.keys(INTERVALS); - -function sorter(a, b) { - return a - b; -} - -function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; -} - -/** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {number[]} timestamps - timestamps sorted from lowest to highest. - * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ -function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } - } - - return table; -} - -// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ -function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return {lo: null, hi: i1}; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return {lo: i0, hi: i1}; - } - } - - // given value is outside table (after last item) - return {lo: i1, hi: null}; -} - -/** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ -function interpolate$1(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; -} - -function toTimestamp(scale, input) { - var adapter = scale._adapter; - var options = scale.options.time; - var parser = options.parser; - var format = parser || options.format; - var value = input; - - if (typeof parser === 'function') { - value = parser(value); - } - - // Only parse if its not a timestamp already - if (!helpers$1.isFinite(value)) { - value = typeof format === 'string' - ? adapter.parse(value, format) - : adapter.parse(value); - } - - if (value !== null) { - return +value; - } - - // Labels are in an incompatible format and no `parser` has been provided. - // The user might still use the deprecated `format` option for parsing. - if (!parser && typeof format === 'function') { - value = format(input); - - // `format` could return something else than a timestamp, if so, parse it - if (!helpers$1.isFinite(value)) { - value = adapter.parse(value); - } - } - - return value; -} - -function parse(scale, input) { - if (helpers$1.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = toTimestamp(scale, scale.getRightValue(input)); - if (value === null) { - return value; - } - - if (options.round) { - value = +scale._adapter.startOf(value, options.round); - } - - return value; -} - -/** - * Returns the number of unit to skip to be able to display up to `capacity` number of ticks - * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. - */ -function determineStepSize(min, max, unit, capacity) { - var range = max - min; - var interval = INTERVALS[unit]; - var milliseconds = interval.size; - var steps = interval.steps; - var i, ilen, factor; - - if (!steps) { - return Math.ceil(range / (capacity * milliseconds)); - } - - for (i = 0, ilen = steps.length; i < ilen; ++i) { - factor = steps[i]; - if (Math.ceil(range / (milliseconds * factor)) <= capacity) { - break; - } - } - - return factor; -} - -/** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; -} - -/** - * Figures out what unit to format a set of ticks with - */ -function determineUnitForFormatting(scale, ticks, minUnit, min, max) { - var ilen = UNITS.length; - var i, unit; - - for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= ticks.length) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} - -function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } -} - -/** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit, aligned on the `major` unit and using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ -function generate(scale, min, max, capacity) { - var adapter = scale._adapter; - var options = scale.options; - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var major = determineMajorUnit(minor); - var stepSize = valueOrDefault$c(timeOpts.stepSize, timeOpts.unitStepSize); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var majorTicksEnabled = options.ticks.major.enabled; - var interval = INTERVALS[minor]; - var first = min; - var last = max; - var ticks = []; - var time; - - if (!stepSize) { - stepSize = determineStepSize(min, max, minor, capacity); - } - - // For 'week' unit, handle the first day of week option - if (weekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - last = +adapter.startOf(last, 'isoWeek', weekday); - } - - // Align first/last ticks on unit - first = +adapter.startOf(first, weekday ? 'day' : minor); - last = +adapter.startOf(last, weekday ? 'day' : minor); - - // Make sure that the last tick include max - if (last < max) { - last = +adapter.add(last, 1, minor); - } - - time = first; - - if (majorTicksEnabled && major && !weekday && !timeOpts.round) { - // Align the first tick on the previous `minor` unit aligned on the `major` unit: - // we first aligned time on the previous `major` unit then add the number of full - // stepSize there is between first and the previous major time. - time = +adapter.startOf(time, major); - time = +adapter.add(time, ~~((first - time) / (interval.size * stepSize)) * stepSize, minor); - } - - for (; time < last; time = +adapter.add(time, stepSize, minor)) { - ticks.push(+time); - } - - ticks.push(+time); - - return ticks; -} - -/** - * Returns the start and end offsets from edges in the form of {start, end} - * where each value is a relative width to the scale and ranges between 0 and 1. - * They add extra margins on the both sides by scaling down the original scale. - * Offsets are added when the `offset` option is true. - */ -function computeOffsets(table, ticks, min, max, options) { - var start = 0; - var end = 0; - var first, last; - - if (options.offset && ticks.length) { - if (!options.time.min) { - first = interpolate$1(table, 'time', ticks[0], 'pos'); - if (ticks.length === 1) { - start = 1 - first; - } else { - start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2; - } - } - if (!options.time.max) { - last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos'); - if (ticks.length === 1) { - end = last; - } else { - end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2; - } - } - } - - return {start: start, end: end}; -} - -function ticksFromTimestamps(scale, values, majorUnit) { - var ticks = []; - var i, ilen, value, major; - - for (i = 0, ilen = values.length; i < ilen; ++i) { - value = values[i]; - major = majorUnit ? value === +scale._adapter.startOf(value, majorUnit) : false; - - ticks.push({ - value: value, - major: major - }); - } - - return ticks; -} - -var defaultConfig$4 = { - position: 'bottom', - - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', - - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', - - adapters: {}, - time: { - parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from https://momentjs.com/docs/#/parsing/string-format/ - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - autoSkip: false, - - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', - - major: { - enabled: false - } - } -}; - -var scale_time = core_scale.extend({ - initialize: function() { - this.mergeTicksOptions(); - core_scale.prototype.initialize.call(this); - }, - - update: function() { - var me = this; - var options = me.options; - var time = options.time || (options.time = {}); - var adapter = me._adapter = new core_adapters._date(options.adapters.date); - - // DEPRECATIONS: output a message only one time per update - if (time.format) { - console.warn('options.time.format is deprecated and replaced by options.time.parser.'); - } - - // Backward compatibility: before introducing adapter, `displayFormats` was - // supposed to contain *all* unit/string pairs but this can't be resolved - // when loading the scale (adapters are loaded afterward), so let's populate - // missing formats on update - helpers$1.mergeIf(time.displayFormats, adapter.formats()); - - return core_scale.prototype.update.apply(me, arguments); - }, - - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function(rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return core_scale.prototype.getRightValue.call(this, rawValue); - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var adapter = me._adapter; - var timeOpts = me.options.time; - var unit = timeOpts.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp; - var dataLabels = chart.data.labels || []; - - // Convert labels to timestamps - for (i = 0, ilen = dataLabels.length; i < ilen; ++i) { - labels.push(parse(me, dataLabels[i])); - } - - // Convert data to timestamps - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers$1.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(me, data[j]); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - for (j = 0, jlen = labels.length; j < jlen; ++j) { - timestamps.push(labels[j]); - } - datasets[i] = labels.slice(0); - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - // Sort labels **after** data have been converted - labels = arrayUnique(labels).sort(sorter); - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = arrayUnique(timestamps).sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min; - max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._horizontal = me.isHorizontal(); - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function() { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var timeOpts = options.time; - var timestamps = []; - var ticks = []; - var i, ilen, timestamp; - - switch (options.ticks.source) { - case 'data': - timestamps = me._timestamps.data; - break; - case 'labels': - timestamps = me._timestamps.labels; - break; - case 'auto': - default: - timestamps = generate(me, min, max, me.getLabelCapacity(min), options); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - me._unit = timeOpts.unit || determineUnitForFormatting(me, ticks, timeOpts.minUnit, me.min, me.max); - me._majorUnit = determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - - if (options.ticks.reverse) { - ticks.reverse(); - } - - return ticksFromTimestamps(me, ticks, me._majorUnit); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var adapter = me._adapter; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers$1.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function(time, index, ticks, format) { - var me = this; - var adapter = me._adapter; - var options = me.options; - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var majorTime = +adapter.startOf(time, majorUnit); - var majorTickOpts = options.ticks.major; - var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; - var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat); - var tickOpts = major ? majorTickOpts : options.ticks.minor; - var formatter = valueOrDefault$c(tickOpts.callback, tickOpts.userCallback); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(ticks[i].value, i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function(time) { - var me = this; - var isReverse = me.options.ticks.reverse; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? isReverse ? me.right : me.left : isReverse ? me.bottom : me.top; - var pos = interpolate$1(me._table, 'time', time, 'pos'); - var offset = size * (me._offsets.start + pos) / (me._offsets.start + 1 + me._offsets.end); - - return isReverse ? start - offset : start + offset; - }, - - getPixelForValue: function(value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(me, value); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function(index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function(pixel) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = (size ? (pixel - start) / size : 0) * (me._offsets.start + 1 + me._offsets.start) - me._offsets.end; - var time = interpolate$1(me._table, 'pos', pos, 'time'); - - // DEPRECATION, we should return time directly - return me._adapter._create(time); - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function(label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers$1.toRadians(ticksOpts.maxRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = valueOrDefault$c(ticksOpts.fontSize, core_defaults.global.defaultFontSize); - - return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); - }, - - /** - * @private - */ - getLabelCapacity: function(exampleTime) { - var me = this; - - // pick the longest format (milliseconds) for guestimation - var format = me.options.time.displayFormats.millisecond; - var exampleLabel = me.tickFormatFunction(exampleTime, 0, [], format); - var tickLabelWidth = me.getLabelWidth(exampleLabel); - var innerWidth = me.isHorizontal() ? me.width : me.height; - var capacity = Math.floor(innerWidth / tickLabelWidth); - - return capacity > 0 ? capacity : 1; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$4 = defaultConfig$4; -scale_time._defaults = _defaults$4; - -var scales = { - category: scale_category, - linear: scale_linear, - logarithmic: scale_logarithmic, - radialLinear: scale_radialLinear, - time: scale_time -}; - -var FORMATS = { - datetime: 'MMM D, YYYY, h:mm:ss a', - millisecond: 'h:mm:ss.SSS a', - second: 'h:mm:ss a', - minute: 'h:mm a', - hour: 'hA', - day: 'MMM D', - week: 'll', - month: 'MMM YYYY', - quarter: '[Q]Q - YYYY', - year: 'YYYY' -}; - -core_adapters._date.override(typeof moment === 'function' ? { - _id: 'moment', // DEBUG ONLY - - formats: function() { - return FORMATS; - }, - - parse: function(value, format) { - if (typeof value === 'string' && typeof format === 'string') { - value = moment(value, format); - } else if (!(value instanceof moment)) { - value = moment(value); - } - return value.isValid() ? value.valueOf() : null; - }, - - format: function(time, format) { - return moment(time).format(format); - }, - - add: function(time, amount, unit) { - return moment(time).add(amount, unit).valueOf(); - }, - - diff: function(max, min, unit) { - return moment.duration(moment(max).diff(moment(min))).as(unit); - }, - - startOf: function(time, unit, weekday) { - time = moment(time); - if (unit === 'isoWeek') { - return time.isoWeekday(weekday).valueOf(); - } - return time.startOf(unit).valueOf(); - }, - - endOf: function(time, unit) { - return moment(time).endOf(unit).valueOf(); - }, - - // DEPRECATIONS - - /** - * Provided for backward compatibility with scale.getValueForPixel(). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(time) { - return moment(time); - }, -} : {}); - -core_defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } -}); - -var mappers = { - dataset: function(source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function(point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function(source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - return function(point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } -}; - -// @todo if (fill[0] === '#') -function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } -} - -function computeBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; - - if (isFinite(fill)) { - return null; - } - - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). - - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePosition) { - target = scale.getBasePosition(); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } - - if (helpers$1.isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } - - return null; -} - -function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; - - if (!propagate) { - return fill; - } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; - } - - return false; -} - -function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; - - if (fill === false) { - return null; - } - - if (!isFinite(fill)) { - type = 'boundary'; - } - - return mappers[type](source); -} - -function isDrawable(point) { - return point && !point.skip; -} - -function drawArea(ctx, curve0, curve1, len0, len1) { - var i; - - if (!len0 || !len1) { - return; - } - - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); - } -} - -function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1; - - ctx.beginPath(); - - for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); -} - -var plugin_filler = { - id: 'filler', - - afterDatasetsUpdate: function(chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetDraw: function(chart, args) { - var meta = args.meta.$filler; - if (!meta) { - return; - } - - var ctx = chart.ctx; - var el = meta.el; - var view = el._view; - var points = el._children || []; - var mapper = meta.mapper; - var color = view.backgroundColor || core_defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers$1.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers$1.canvas.unclipArea(ctx); - } - } -}; - -var noop$1 = helpers$1.noop; -var valueOrDefault$d = helpers$1.valueOrDefault; - -core_defaults._set('global', { - legend: { - display: true, - position: 'top', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function(e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - onLeave: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function(chart) { - var data = chart.data; - return helpers$1.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { - return { - text: dataset.label, - fillStyle: (!helpers$1.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), - hidden: !chart.isDatasetVisible(i), - lineCap: dataset.borderCapStyle, - lineDash: dataset.borderDash, - lineDashOffset: dataset.borderDashOffset, - lineJoin: dataset.borderJoinStyle, - lineWidth: dataset.borderWidth, - strokeStyle: dataset.borderColor, - pointStyle: dataset.pointStyle, - - // Below is extra data used for toggling the datasets - datasetIndex: i - }; - }, this) : []; - } - } - }, - - legendCallback: function(chart) { - var text = []; - text.push('
      '); - for (var i = 0; i < chart.data.datasets.length; i++) { - text.push('
    • '); - if (chart.data.datasets[i].label) { - text.push(chart.data.datasets[i].label); - } - text.push('
    • '); - } - text.push('
    '); - return text.join(''); - } -}); - -/** - * Helper function to get the box width based on the usePointStyle option - * @param {object} labelopts - the label options on the legend - * @param {number} fontSize - the label font size - * @return {number} width of the color box area - */ -function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ? - fontSize : - labelOpts.boxWidth; -} - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Legend = core_element.extend({ - - initialize: function(config) { - helpers$1.extend(this, config); - - // Contains hit boxes for each dataset (in dataset order) - this.legendHitBoxes = []; - - /** - * @private - */ - this._hoveredItem = null; - - // Are we in doughnut mode which has a different data type - this.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop$1, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop$1, - - // - - beforeSetDimensions: noop$1, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$1, - - // - - beforeBuildLabels: noop$1, - buildLabels: function() { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function(item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop$1, - - // - - beforeFit: noop$1, - fit: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (display) { - ctx.font = labelFont.string; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (i === 0 || lineWidths[lineWidths.length - 1] + width + labelOpts.padding > minSize.width) { - totalHeight += fontSize + labelOpts.padding; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = labelOpts.padding; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - var itemHeight = fontSize + vPadding; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (i > 0 && currentColHeight + itemHeight > minSize.height - vPadding) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - minSize.width += totalWidth; - } - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop$1, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; - var lineDefault = globalDefaults.elements.line; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (opts.display) { - var ctx = me.ctx; - var fontColor = valueOrDefault$d(labelOpts.fontColor, globalDefaults.defaultFontColor); - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - var cursor; - - // Canvas setup - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont.string; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - var lineWidth = valueOrDefault$d(legendItem.lineWidth, lineDefault.borderWidth); - ctx.fillStyle = valueOrDefault$d(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault$d(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault$d(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault$d(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault$d(legendItem.strokeStyle, defaultColor); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault$d(legendItem.lineDash, lineDefault.borderDash)); - } - - if (opts.labels && opts.labels.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = boxWidth * Math.SQRT2 / 2; - var centerX = x + boxWidth / 2; - var centerY = y + fontSize / 2; - - // Draw pointStyle as legend symbol - helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); - } else { - // Draw box as legend symbol - if (lineWidth !== 0) { - ctx.strokeRect(x, y, boxWidth, fontSize); - } - ctx.fillRect(x, y, boxWidth, fontSize); - } - - ctx.restore(); - }; - var fillText = function(x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = boxWidth + halfFontSize + x; - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(xLeft + textWidth, yMiddle); - ctx.stroke(); - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + ((legendWidth - lineWidths[0]) / 2) + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } - - var itemHeight = fontSize + labelOpts.padding; - helpers$1.each(me.legendItems, function(legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - // Use (me.left + me.minSize.width) and (me.top + me.minSize.height) - // instead of me.right and me.bottom because me.width and me.height - // may have been changed since me.minSize was calculated - if (isHorizontal) { - if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2) + labelOpts.padding; - } - } else if (i > 0 && y + itemHeight > me.top + me.minSize.height) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - y = cursor.y = me.top + labelOpts.padding; - cursor.line++; - } - - drawLegendBox(x, y, legendItem); - - hitboxes[i].left = x; - hitboxes[i].top = y; - - // Fill the actual label - fillText(x, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + labelOpts.padding; - } else { - cursor.y += itemHeight; - } - - }); - } - }, - - /** - * @private - */ - _getLegendItemAt: function(x, y) { - var me = this; - var i, hitBox, lh; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - return me.legendItems[i]; - } - } - } - - return null; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - */ - handleEvent: function(e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var hoveredItem; - - if (type === 'mousemove') { - if (!opts.onHover && !opts.onLeave) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - hoveredItem = me._getLegendItemAt(e.x, e.y); - - if (type === 'click') { - if (hoveredItem && opts.onClick) { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, hoveredItem); - } - } else { - if (opts.onLeave && hoveredItem !== me._hoveredItem) { - if (me._hoveredItem) { - opts.onLeave.call(me, e.native, me._hoveredItem); - } - me._hoveredItem = hoveredItem; - } - - if (opts.onHover && hoveredItem) { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, hoveredItem); - } - } - } -}); - -function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - core_layouts.configure(chart, legend, legendOpts); - core_layouts.addBox(chart, legend); - chart.legend = legend; -} - -var plugin_legend = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function(chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function(chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers$1.mergeIf(legendOpts, core_defaults.global.legend); - - if (legend) { - core_layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - core_layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function(chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } -}; - -var noop$2 = helpers$1.noop; - -core_defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } -}); - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Title = core_element.extend({ - initialize: function(config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop$2, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop$2, - - // - - beforeSetDimensions: noop$2, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$2, - - // - - beforeBuildLabels: noop$2, - buildLabels: noop$2, - afterBuildLabels: noop$2, - - // - - beforeFit: noop$2, - fit: function() { - var me = this; - var opts = me.options; - var display = opts.display; - var minSize = me.minSize; - var lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1; - var fontOpts = helpers$1.options._parseFont(opts); - var textSize = display ? (lineCount * fontOpts.lineHeight) + (opts.padding * 2) : 0; - - if (me.isHorizontal()) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = textSize; - } else { - minSize.width = textSize; - minSize.height = me.maxHeight; // fill all the height - } - - me.width = minSize.width; - me.height = minSize.height; - - }, - afterFit: noop$2, - - // Shared Methods - isHorizontal: function() { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function() { - var me = this; - var ctx = me.ctx; - var opts = me.options; - - if (opts.display) { - var fontOpts = helpers$1.options._parseFont(opts); - var lineHeight = fontOpts.lineHeight; - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour - ctx.font = fontOpts.string; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers$1.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - } -}); - -function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - core_layouts.configure(chart, title, titleOpts); - core_layouts.addBox(chart, title); - chart.titleBlock = title; -} - -var plugin_title = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function(chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function(chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers$1.mergeIf(titleOpts, core_defaults.global.title); - - if (titleBlock) { - core_layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - core_layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } -}; - -var plugins = {}; -var filler = plugin_filler; -var legend = plugin_legend; -var title = plugin_title; -plugins.filler = filler; -plugins.legend = legend; -plugins.title = title; - -/** - * @namespace Chart - */ - - -core_controller.helpers = helpers$1; - -// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! -core_helpers(core_controller); - -core_controller._adapters = core_adapters; -core_controller.Animation = core_animation; -core_controller.animationService = core_animations; -core_controller.controllers = controllers; -core_controller.DatasetController = core_datasetController; -core_controller.defaults = core_defaults; -core_controller.Element = core_element; -core_controller.elements = elements; -core_controller.Interaction = core_interaction; -core_controller.layouts = core_layouts; -core_controller.platform = platform; -core_controller.plugins = core_plugins; -core_controller.Scale = core_scale; -core_controller.scaleService = core_scaleService; -core_controller.Ticks = core_ticks; -core_controller.Tooltip = core_tooltip; - -// Register built-in scales - -core_controller.helpers.each(scales, function(scale, type) { - core_controller.scaleService.registerScaleType(type, scale, scale._defaults); -}); - -// Load to register built-in adapters (as side effects) - - -// Loading built-in plugins - -for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - core_controller.plugins.register(plugins[k]); - } -} - -core_controller.platform.initialize(); - -var src = core_controller; -if (typeof window !== 'undefined') { - window.Chart = core_controller; -} - -// DEPRECATIONS - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Chart - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -core_controller.Chart = core_controller; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Legend = plugins.legend._element; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Title = plugins.title._element; - -/** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.pluginService = core_controller.plugins; - -/** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ -core_controller.PluginBase = core_controller.Element.extend({}); - -/** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -core_controller.canvasHelpers = core_controller.helpers.canvas; - -/** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.7.3 - * @todo remove at version 3 - * @private - */ -core_controller.layoutService = core_controller.layouts; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.LinearScaleBase - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -core_controller.LinearScaleBase = scale_linearbase; - -/** - * Provided for backward compatibility, instead we should create a new Chart - * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ -core_controller.helpers.each( - [ - 'Bar', - 'Bubble', - 'Doughnut', - 'Line', - 'PolarArea', - 'Radar', - 'Scatter' - ], - function(klass) { - core_controller[klass] = function(ctx, cfg) { - return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, { - type: klass.charAt(0).toLowerCase() + klass.slice(1) - })); - }; - } -); - -return src; - -}))); diff --git a/GWMS.UI/wwwroot/Chart.js/Chart.min.css b/GWMS.UI/wwwroot/Chart.js/Chart.min.css deleted file mode 100644 index 9dc5ac2..0000000 --- a/GWMS.UI/wwwroot/Chart.js/Chart.min.css +++ /dev/null @@ -1 +0,0 @@ -@keyframes chartjs-render-animation{from{opacity:.99}to{opacity:1}}.chartjs-render-monitor{animation:chartjs-render-animation 1ms}.chartjs-size-monitor,.chartjs-size-monitor-expand,.chartjs-size-monitor-shrink{position:absolute;direction:ltr;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1}.chartjs-size-monitor-expand>div{position:absolute;width:1000000px;height:1000000px;left:0;top:0}.chartjs-size-monitor-shrink>div{position:absolute;width:200%;height:200%;left:0;top:0} \ No newline at end of file diff --git a/GWMS.UI/wwwroot/Chart.js/Chart.min.js 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Pt=pt.extend({draw:function(){var t,e,i,n,a=this._view,o=this._chart.ctx,r=a.spanGaps,s=this._children.slice(),l=st.global,d=l.elements.line,u=-1;for(this._loop&&s.length&&s.push(s[0]),o.save(),o.lineCap=a.borderCapStyle||d.borderCapStyle,o.setLineDash&&o.setLineDash(a.borderDash||d.borderDash),o.lineDashOffset=Ct(a.borderDashOffset,d.borderDashOffset),o.lineJoin=a.borderJoinStyle||d.borderJoinStyle,o.lineWidth=Ct(a.borderWidth,d.borderWidth),o.strokeStyle=a.borderColor||l.defaultColor,o.beginPath(),u=-1,t=0;tt.x&&(e=Ot(e,"left","right")):t.basei?i:n,r:l.right||a<0?0:a>e?e:a,b:l.bottom||o<0?0:o>i?i:o,l:l.left||r<0?0:r>e?e:r}}function Bt(t,e,i){var n=null===e,a=null===i,o=!(!t||n&&a)&&Rt(t);return o&&(n||e>=o.left&&e<=o.right)&&(a||i>=o.top&&i<=o.bottom)}st._set("global",{elements:{rectangle:{backgroundColor:Ft,borderColor:Ft,borderSkipped:"bottom",borderWidth:0}}});var Nt=pt.extend({draw:function(){var t=this._chart.ctx,e=this._view,i=function(t){var 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Ke(t,e){return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-t.xPadding:t.x+t.xPadding}function Ge(t){return Ye([],Ue(t))}var Ze=pt.extend({initialize:function(){this._model=Xe(this._options),this._lastActive=[]},getTitle:function(){var t=this._options.callbacks,e=t.beforeTitle.apply(this,arguments),i=t.title.apply(this,arguments),n=t.afterTitle.apply(this,arguments),a=[];return a=Ye(a,Ue(e)),a=Ye(a,Ue(i)),a=Ye(a,Ue(n))},getBeforeBody:function(){return Ge(this._options.callbacks.beforeBody.apply(this,arguments))},getBody:function(t,e){var i=this,n=i._options.callbacks,a=[];return ut.each(t,function(t){var o={before:[],lines:[],after:[]};Ye(o.before,Ue(n.beforeLabel.call(i,t,e))),Ye(o.lines,n.label.call(i,t,e)),Ye(o.after,Ue(n.afterLabel.call(i,t,e))),a.push(o)}),a},getAfterBody:function(){return Ge(this._options.callbacks.afterBody.apply(this,arguments))},getFooter:function(){var t=this._options.callbacks,e=t.beforeFooter.apply(this,arguments),i=t.footer.apply(this,arguments),n=t.afterFooter.apply(this,arguments),a=[];return a=Ye(a,Ue(e)),a=Ye(a,Ue(i)),a=Ye(a,Ue(n))},update:function(t){var e,i,n,a,o,r,s,l,d,u,h=this,c=h._options,f=h._model,g=h._model=Xe(c),p=h._active,m=h._data,v={xAlign:f.xAlign,yAlign:f.yAlign},b={x:f.x,y:f.y},x={width:f.width,height:f.height},y={x:f.caretX,y:f.caretY};if(p.length){g.opacity=1;var k=[],w=[];y=qe[c.position].call(h,p,h._eventPosition);var M=[];for(e=0,i=p.length;en.width&&(a=n.width-e.width),a<0&&(a=0)),"top"===u?o+=h:o-="bottom"===u?e.height+h:e.height/2,"center"===u?"left"===d?a+=h:"right"===d&&(a-=h):"left"===d?a-=c:"right"===d&&(a+=c),{x:a,y:o}}(g,x,v=function(t,e){var i,n,a,o,r,s=t._model,l=t._chart,d=t._chart.chartArea,u="center",h="center";s.yl.height-e.height&&(h="bottom");var c=(d.left+d.right)/2,f=(d.top+d.bottom)/2;"center"===h?(i=function(t){return t<=c},n=function(t){return t>c}):(i=function(t){return t<=e.width/2},n=function(t){return t>=l.width-e.width/2}),a=function(t){return t+e.width+s.caretSize+s.caretPadding>l.width},o=function(t){return t-e.width-s.caretSize-s.caretPadding<0},r=function(t){return t<=f?"top":"bottom"},i(s.x)?(u="left",a(s.x)&&(u="center",h=r(s.y))):n(s.x)&&(u="right",o(s.x)&&(u="center",h=r(s.y)));var g=t._options;return{xAlign:g.xAlign?g.xAlign:u,yAlign:g.yAlign?g.yAlign:h}}(this,x),h._chart)}else g.opacity=0;return g.xAlign=v.xAlign,g.yAlign=v.yAlign,g.x=b.x,g.y=b.y,g.width=x.width,g.height=x.height,g.caretX=y.x,g.caretY=y.y,h._model=g,t&&c.custom&&c.custom.call(h,g),h},drawCaret:function(t,e){var i=this._chart.ctx,n=this._view,a=this.getCaretPosition(t,e,n);i.lineTo(a.x1,a.y1),i.lineTo(a.x2,a.y2),i.lineTo(a.x3,a.y3)},getCaretPosition:function(t,e,i){var n,a,o,r,s,l,d=i.caretSize,u=i.cornerRadius,h=i.xAlign,c=i.yAlign,f=t.x,g=t.y,p=e.width,m=e.height;if("center"===c)s=g+m/2,"left"===h?(a=(n=f)-d,o=n,r=s+d,l=s-d):(a=(n=f+p)+d,o=n,r=s-d,l=s+d);else if("left"===h?(n=(a=f+u+d)-d,o=a+d):"right"===h?(n=(a=f+p-u-d)-d,o=a+d):(n=(a=i.caretX)-d,o=a+d),"top"===c)s=(r=g)-d,l=r;else{s=(r=g+m)+d,l=r;var v=o;o=n,n=v}return{x1:n,x2:a,x3:o,y1:r,y2:s,y3:l}},drawTitle:function(t,e,i){var n=e.title;if(n.length){t.x=Ke(e,e._titleAlign),i.textAlign=e._titleAlign,i.textBaseline="top";var a,o,r=e.titleFontSize,s=e.titleSpacing;for(i.fillStyle=e.titleFontColor,i.font=ut.fontString(r,e._titleFontStyle,e._titleFontFamily),a=0,o=n.length;a0&&i.stroke()},draw:function(){var t=this._chart.ctx,e=this._view;if(0!==e.opacity){var i={width:e.width,height:e.height},n={x:e.x,y:e.y},a=Math.abs(e.opacity<.001)?0:e.opacity,o=e.title.length||e.beforeBody.length||e.body.length||e.afterBody.length||e.footer.length;this._options.enabled&&o&&(t.save(),t.globalAlpha=a,this.drawBackground(n,e,t,i),n.y+=e.yPadding,this.drawTitle(n,e,t),this.drawBody(n,e,t),this.drawFooter(n,e,t),t.restore())}},handleEvent:function(t){var e,i=this,n=i._options;return i._lastActive=i._lastActive||[],"mouseout"===t.type?i._active=[]:i._active=i._chart.getElementsAtEventForMode(t,n.mode,n),(e=!ut.arrayEquals(i._active,i._lastActive))&&(i._lastActive=i._active,(n.enabled||n.custom)&&(i._eventPosition={x:t.x,y:t.y},i.update(!0),i.pivot())),e}}),$e=qe,Je=Ze;Je.positioners=$e;var Qe=ut.valueOrDefault;function ti(){return ut.merge({},[].slice.call(arguments),{merger:function(t,e,i,n){if("xAxes"===t||"yAxes"===t){var a,o,r,s=i[t].length;for(e[t]||(e[t]=[]),a=0;a=e[t].length&&e[t].push({}),!e[t][a].type||r.type&&r.type!==e[t][a].type?ut.merge(e[t][a],[He.getScaleDefaults(o),r]):ut.merge(e[t][a],r)}else ut._merger(t,e,i,n)}})}function ei(){return ut.merge({},[].slice.call(arguments),{merger:function(t,e,i,n){var a=e[t]||{},o=i[t];"scales"===t?e[t]=ti(a,o):"scale"===t?e[t]=ut.merge(a,[He.getScaleDefaults(o.type),o]):ut._merger(t,e,i,n)}})}function ii(t){return"top"===t||"bottom"===t}st._set("global",{elements:{},events:["mousemove","mouseout","click","touchstart","touchmove"],hover:{onHover:null,mode:"nearest",intersect:!0,animationDuration:400},onClick:null,maintainAspectRatio:!0,responsive:!0,responsiveAnimationDuration:0});var ni=function(t,e){return this.construct(t,e),this};ut.extend(ni.prototype,{construct:function(t,e){var i=this;e=function(t){var e=(t=t||{}).data=t.data||{};return e.datasets=e.datasets||[],e.labels=e.labels||[],t.options=ei(st.global,st[t.type],t.options||{}),t}(e);var n=Ve.acquireContext(t,e),a=n&&n.canvas,o=a&&a.height,r=a&&a.width;i.id=ut.uid(),i.ctx=n,i.canvas=a,i.config=e,i.width=r,i.height=o,i.aspectRatio=o?r/o:null,i.options=e.options,i._bufferedRender=!1,i.chart=i,i.controller=i,ni.instances[i.id]=i,Object.defineProperty(i,"data",{get:function(){return i.config.data},set:function(t){i.config.data=t}}),n&&a?(i.initialize(),i.update()):console.error("Failed to create chart: can't acquire context from the given item")},initialize:function(){var t=this;return Ee.notify(t,"beforeInit"),ut.retinaScale(t,t.options.devicePixelRatio),t.bindEvents(),t.options.responsive&&t.resize(!0),t.ensureScalesHaveIDs(),t.buildOrUpdateScales(),t.initToolTip(),Ee.notify(t,"afterInit"),t},clear:function(){return ut.canvas.clear(this),this},stop:function(){return bt.cancelAnimation(this),this},resize:function(t){var e=this,i=e.options,n=e.canvas,a=i.maintainAspectRatio&&e.aspectRatio||null,o=Math.max(0,Math.floor(ut.getMaximumWidth(n))),r=Math.max(0,Math.floor(a?o/a:ut.getMaximumHeight(n)));if((e.width!==o||e.height!==r)&&(n.width=e.width=o,n.height=e.height=r,n.style.width=o+"px",n.style.height=r+"px",ut.retinaScale(e,i.devicePixelRatio),!t)){var s={width:o,height:r};Ee.notify(e,"resize",[s]),i.onResize&&i.onResize(e,s),e.stop(),e.update({duration:i.responsiveAnimationDuration})}},ensureScalesHaveIDs:function(){var t=this.options,e=t.scales||{},i=t.scale;ut.each(e.xAxes,function(t,e){t.id=t.id||"x-axis-"+e}),ut.each(e.yAxes,function(t,e){t.id=t.id||"y-axis-"+e}),i&&(i.id=i.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,i=t.scales||{},n=[],a=Object.keys(i).reduce(function(t,e){return t[e]=!1,t},{});e.scales&&(n=n.concat((e.scales.xAxes||[]).map(function(t){return{options:t,dtype:"category",dposition:"bottom"}}),(e.scales.yAxes||[]).map(function(t){return{options:t,dtype:"linear",dposition:"left"}}))),e.scale&&n.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),ut.each(n,function(e){var n=e.options,o=n.id,r=Qe(n.type,e.dtype);ii(n.position)!==ii(e.dposition)&&(n.position=e.dposition),a[o]=!0;var s=null;if(o in i&&i[o].type===r)(s=i[o]).options=n,s.ctx=t.ctx,s.chart=t;else{var l=He.getScaleConstructor(r);if(!l)return;s=new l({id:o,type:r,options:n,ctx:t.ctx,chart:t}),i[s.id]=s}s.mergeTicksOptions(),e.isDefault&&(t.scale=s)}),ut.each(a,function(t,e){t||delete i[e]}),t.scales=i,He.addScalesToLayout(this)},buildOrUpdateControllers:function(){var t=this,e=[];return ut.each(t.data.datasets,function(i,n){var a=t.getDatasetMeta(n),o=i.type||t.config.type;if(a.type&&a.type!==o&&(t.destroyDatasetMeta(n),a=t.getDatasetMeta(n)),a.type=o,a.controller)a.controller.updateIndex(n),a.controller.linkScales();else{var r=ue[a.type];if(void 0===r)throw new Error('"'+a.type+'" is not a chart type.');a.controller=new r(t,n),e.push(a.controller)}},t),e},resetElements:function(){var t=this;ut.each(t.data.datasets,function(e,i){t.getDatasetMeta(i).controller.reset()},t)},reset:function(){this.resetElements(),this.tooltip.initialize()},update:function(t){var e,i,n=this;if(t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]}),i=(e=n).options,ut.each(e.scales,function(t){ke.removeBox(e,t)}),i=ei(st.global,st[e.config.type],i),e.options=e.config.options=i,e.ensureScalesHaveIDs(),e.buildOrUpdateScales(),e.tooltip._options=i.tooltips,e.tooltip.initialize(),Ee._invalidate(n),!1!==Ee.notify(n,"beforeUpdate")){n.tooltip._data=n.data;var a=n.buildOrUpdateControllers();ut.each(n.data.datasets,function(t,e){n.getDatasetMeta(e).controller.buildOrUpdateElements()},n),n.updateLayout(),n.options.animation&&n.options.animation.duration&&ut.each(a,function(t){t.reset()}),n.updateDatasets(),n.tooltip.initialize(),n.lastActive=[],Ee.notify(n,"afterUpdate"),n._bufferedRender?n._bufferedRequest={duration:t.duration,easing:t.easing,lazy:t.lazy}:n.render(t)}},updateLayout:function(){!1!==Ee.notify(this,"beforeLayout")&&(ke.update(this,this.width,this.height),Ee.notify(this,"afterScaleUpdate"),Ee.notify(this,"afterLayout"))},updateDatasets:function(){if(!1!==Ee.notify(this,"beforeDatasetsUpdate")){for(var t=0,e=this.data.datasets.length;t=0;--i)e.isDatasetVisible(i)&&e.drawDataset(i,t);Ee.notify(e,"afterDatasetsDraw",[t])}},drawDataset:function(t,e){var i=this.getDatasetMeta(t),n={meta:i,index:t,easingValue:e};!1!==Ee.notify(this,"beforeDatasetDraw",[n])&&(i.controller.draw(e),Ee.notify(this,"afterDatasetDraw",[n]))},_drawTooltip:function(t){var e=this.tooltip,i={tooltip:e,easingValue:t};!1!==Ee.notify(this,"beforeTooltipDraw",[i])&&(e.draw(),Ee.notify(this,"afterTooltipDraw",[i]))},getElementAtEvent:function(t){return ve.modes.single(this,t)},getElementsAtEvent:function(t){return ve.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function(t){return ve.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function(t,e,i){var n=ve.modes[e];return"function"==typeof n?n(this,t,i):[]},getDatasetAtEvent:function(t){return ve.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function(t){var e=this.data.datasets[t];e._meta||(e._meta={});var i=e._meta[this.id];return i||(i=e._meta[this.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}),i},getVisibleDatasetCount:function(){for(var t=0,e=0,i=this.data.datasets.length;e3?i[2]-i[1]:i[1]-i[0];Math.abs(n)>1&&t!==Math.floor(t)&&(n=t-Math.floor(t));var a=ut.log10(Math.abs(n)),o="";if(0!==t)if(Math.max(Math.abs(i[0]),Math.abs(i[i.length-1]))<1e-4){var r=ut.log10(Math.abs(t));o=t.toExponential(Math.floor(r)-Math.floor(a))}else{var s=-1*Math.floor(a);s=Math.max(Math.min(s,20),0),o=t.toFixed(s)}else o="0";return o},logarithmic:function(t,e,i){var n=t/Math.pow(10,Math.floor(ut.log10(t)));return 0===t?"0":1===n||2===n||5===n||0===e||e===i.length-1?t.toExponential():""}}},di=ut.valueOrDefault,ui=ut.valueAtIndexOrDefault;function hi(t){var e,i,n=[];for(e=0,i=t.length;ed&&ot.maxHeight){o--;break}o++,l=r*s}t.labelRotation=o},afterCalculateTickRotation:function(){ut.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){ut.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},i=hi(t._ticks),n=t.options,a=n.ticks,o=n.scaleLabel,r=n.gridLines,s=t._isVisible(),l=n.position,d=t.isHorizontal(),u=ut.options._parseFont,h=u(a),c=n.gridLines.tickMarkLength;if(e.width=d?t.isFullWidth()?t.maxWidth-t.margins.left-t.margins.right:t.maxWidth:s&&r.drawTicks?c:0,e.height=d?s&&r.drawTicks?c:0:t.maxHeight,o.display&&s){var f=u(o),g=ut.options.toPadding(o.padding),p=f.lineHeight+g.height;d?e.height+=p:e.width+=p}if(a.display&&s){var m=ut.longestText(t.ctx,h.string,i,t.longestTextCache),v=ut.numberOfLabelLines(i),b=.5*h.size,x=t.options.ticks.padding;if(t._maxLabelLines=v,t.longestLabelWidth=m,d){var y=ut.toRadians(t.labelRotation),k=Math.cos(y),w=Math.sin(y)*m+h.lineHeight*v+b;e.height=Math.min(t.maxHeight,e.height+w+x),t.ctx.font=h.string;var M,_,C=ci(t.ctx,i[0],h.string),S=ci(t.ctx,i[i.length-1],h.string),P=t.getPixelForTick(0)-t.left,I=t.right-t.getPixelForTick(i.length-1);0!==t.labelRotation?(M="bottom"===l?k*C:k*b,_="bottom"===l?k*b:k*S):(M=C/2,_=S/2),t.paddingLeft=Math.max(M-P,0)+3,t.paddingRight=Math.max(_-I,0)+3}else a.mirror?m=0:m+=x+b,e.width=Math.min(t.maxWidth,e.width+m),t.paddingTop=h.size/2,t.paddingBottom=h.size/2}t.handleMargins(),t.width=e.width,t.height=e.height},handleMargins:function(){var t=this;t.margins&&(t.paddingLeft=Math.max(t.paddingLeft-t.margins.left,0),t.paddingTop=Math.max(t.paddingTop-t.margins.top,0),t.paddingRight=Math.max(t.paddingRight-t.margins.right,0),t.paddingBottom=Math.max(t.paddingBottom-t.margins.bottom,0))},afterFit:function(){ut.callback(this.options.afterFit,[this])},isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},isFullWidth:function(){return this.options.fullWidth},getRightValue:function(t){if(ut.isNullOrUndef(t))return NaN;if(("number"==typeof t||t instanceof Number)&&!isFinite(t))return NaN;if(t)if(this.isHorizontal()){if(void 0!==t.x)return this.getRightValue(t.x)}else if(void 0!==t.y)return this.getRightValue(t.y);return t},getLabelForIndex:ut.noop,getPixelForValue:ut.noop,getValueForPixel:ut.noop,getPixelForTick:function(t){var e=this,i=e.options.offset;if(e.isHorizontal()){var n=(e.width-(e.paddingLeft+e.paddingRight))/Math.max(e._ticks.length-(i?0:1),1),a=n*t+e.paddingLeft;i&&(a+=n/2);var o=e.left+a;return o+=e.isFullWidth()?e.margins.left:0}var r=e.height-(e.paddingTop+e.paddingBottom);return e.top+t*(r/(e._ticks.length-1))},getPixelForDecimal:function(t){var e=this;if(e.isHorizontal()){var i=(e.width-(e.paddingLeft+e.paddingRight))*t+e.paddingLeft,n=e.left+i;return n+=e.isFullWidth()?e.margins.left:0}return e.top+t*e.height},getBasePixel:function(){return this.getPixelForValue(this.getBaseValue())},getBaseValue:function(){var t=this.min,e=this.max;return this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0},_autoSkip:function(t){var e,i,n=this,a=n.isHorizontal(),o=n.options.ticks.minor,r=t.length,s=!1,l=o.maxTicksLimit,d=n._tickSize()*(r-1),u=a?n.width-(n.paddingLeft+n.paddingRight):n.height-(n.paddingTop+n.PaddingBottom),h=[];for(d>u&&(s=1+Math.floor(d/u)),r>l&&(s=Math.max(s,1+Math.floor(r/l))),e=0;e1&&e%s>0&&delete i.label,h.push(i);return h},_tickSize:function(){var t=this,e=t.isHorizontal(),i=t.options.ticks.minor,n=ut.toRadians(t.labelRotation),a=Math.abs(Math.cos(n)),o=Math.abs(Math.sin(n)),r=i.autoSkipPadding||0,s=t.longestLabelWidth+r||0,l=ut.options._parseFont(i),d=t._maxLabelLines*l.lineHeight+r||0;return e?d*a>s*o?s/a:d/o:d*o0&&n>0&&(t.min=0)}var a=void 0!==e.min||void 0!==e.suggestedMin,o=void 0!==e.max||void 0!==e.suggestedMax;void 0!==e.min?t.min=e.min:void 0!==e.suggestedMin&&(null===t.min?t.min=e.suggestedMin:t.min=Math.min(t.min,e.suggestedMin)),void 0!==e.max?t.max=e.max:void 0!==e.suggestedMax&&(null===t.max?t.max=e.suggestedMax:t.max=Math.max(t.max,e.suggestedMax)),a!==o&&t.min>=t.max&&(a?t.max=t.min+1:t.min=t.max-1),t.min===t.max&&(t.max++,e.beginAtZero||t.min--)},getTickLimit:function(){var t,e=this.options.ticks,i=e.stepSize,n=e.maxTicksLimit;return i?t=Math.ceil(this.max/i)-Math.floor(this.min/i)+1:(t=this._computeTickLimit(),n=n||11),n&&(t=Math.min(n,t)),t},_computeTickLimit:function(){return Number.POSITIVE_INFINITY},handleDirectionalChanges:mi,buildTicks:function(){var t=this,e=t.options.ticks,i=t.getTickLimit(),n={maxTicks:i=Math.max(2,i),min:e.min,max:e.max,precision:e.precision,stepSize:ut.valueOrDefault(e.fixedStepSize,e.stepSize)},a=t.ticks=function(t,e){var i,n,a,o,r=[],s=t.stepSize,l=s||1,d=t.maxTicks-1,u=t.min,h=t.max,c=t.precision,f=e.min,g=e.max,p=ut.niceNum((g-f)/d/l)*l;if(p<1e-14&&vi(u)&&vi(h))return[f,g];(o=Math.ceil(g/p)-Math.floor(f/p))>d&&(p=ut.niceNum(o*p/d/l)*l),s||vi(c)?i=Math.pow(10,ut._decimalPlaces(p)):(i=Math.pow(10,c),p=Math.ceil(p*i)/i),n=Math.floor(f/p)*p,a=Math.ceil(g/p)*p,s&&(!vi(u)&&ut.almostWhole(u/p,p/1e3)&&(n=u),!vi(h)&&ut.almostWhole(h/p,p/1e3)&&(a=h)),o=(a-n)/p,o=ut.almostEquals(o,Math.round(o),p/1e3)?Math.round(o):Math.ceil(o),n=Math.round(n*i)/i,a=Math.round(a*i)/i,r.push(vi(u)?n:u);for(var m=1;mt.max&&(t.max=n))})});t.min=isFinite(t.min)&&!isNaN(t.min)?t.min:0,t.max=isFinite(t.max)&&!isNaN(t.max)?t.max:1,this.handleTickRangeOptions()},_computeTickLimit:function(){var t;return this.isHorizontal()?Math.ceil(this.width/40):(t=ut.options._parseFont(this.options.ticks),Math.ceil(this.height/t.lineHeight))},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},getPixelForValue:function(t){var e=this,i=e.start,n=+e.getRightValue(t),a=e.end-i;return e.isHorizontal()?e.left+e.width/a*(n-i):e.bottom-e.height/a*(n-i)},getValueForPixel:function(t){var e=this,i=e.isHorizontal(),n=i?e.width:e.height,a=(i?t-e.left:e.bottom-t)/n;return e.start+(e.end-e.start)*a},getPixelForTick:function(t){return this.getPixelForValue(this.ticksAsNumbers[t])}}),ki=xi;yi._defaults=ki;var wi=ut.valueOrDefault;var Mi={position:"left",ticks:{callback:li.formatters.logarithmic}};function _i(t,e){return ut.isFinite(t)&&t>=0?t:e}var Ci=fi.extend({determineDataLimits:function(){var t=this,e=t.options,i=t.chart,n=i.data.datasets,a=t.isHorizontal();function o(e){return a?e.xAxisID===t.id:e.yAxisID===t.id}t.min=null,t.max=null,t.minNotZero=null;var r=e.stacked;if(void 0===r&&ut.each(n,function(t,e){if(!r){var n=i.getDatasetMeta(e);i.isDatasetVisible(e)&&o(n)&&void 0!==n.stack&&(r=!0)}}),e.stacked||r){var s={};ut.each(n,function(n,a){var r=i.getDatasetMeta(a),l=[r.type,void 0===e.stacked&&void 0===r.stack?a:"",r.stack].join(".");i.isDatasetVisible(a)&&o(r)&&(void 0===s[l]&&(s[l]=[]),ut.each(n.data,function(e,i){var n=s[l],a=+t.getRightValue(e);isNaN(a)||r.data[i].hidden||a<0||(n[i]=n[i]||0,n[i]+=a)}))}),ut.each(s,function(e){if(e.length>0){var i=ut.min(e),n=ut.max(e);t.min=null===t.min?i:Math.min(t.min,i),t.max=null===t.max?n:Math.max(t.max,n)}})}else ut.each(n,function(e,n){var a=i.getDatasetMeta(n);i.isDatasetVisible(n)&&o(a)&&ut.each(e.data,function(e,i){var n=+t.getRightValue(e);isNaN(n)||a.data[i].hidden||n<0||(null===t.min?t.min=n:nt.max&&(t.max=n),0!==n&&(null===t.minNotZero||n0?t.minNotZero=t.min:t.max<1?t.minNotZero=Math.pow(10,Math.floor(ut.log10(t.max))):t.minNotZero=1)},buildTicks:function(){var t=this,e=t.options.ticks,i=!t.isHorizontal(),n={min:_i(e.min),max:_i(e.max)},a=t.ticks=function(t,e){var i,n,a=[],o=wi(t.min,Math.pow(10,Math.floor(ut.log10(e.min)))),r=Math.floor(ut.log10(e.max)),s=Math.ceil(e.max/Math.pow(10,r));0===o?(i=Math.floor(ut.log10(e.minNotZero)),n=Math.floor(e.minNotZero/Math.pow(10,i)),a.push(o),o=n*Math.pow(10,i)):(i=Math.floor(ut.log10(o)),n=Math.floor(o/Math.pow(10,i)));var l=i<0?Math.pow(10,Math.abs(i)):1;do{a.push(o),10==++n&&(n=1,l=++i>=0?1:l),o=Math.round(n*Math.pow(10,i)*l)/l}while(ia?{start:e-i,end:e}:{start:e,end:e+i}}function Ri(t){return 0===t||180===t?"center":t<180?"left":"right"}function Oi(t,e,i,n){var a,o,r=i.y+n/2;if(ut.isArray(e))for(a=0,o=e.length;a270||t<90)&&(i.y-=e.h)}function Bi(t){return ut.isNumber(t)?t:0}var Ni=bi.extend({setDimensions:function(){var t=this;t.width=t.maxWidth,t.height=t.maxHeight,t.paddingTop=Fi(t.options)/2,t.xCenter=Math.floor(t.width/2),t.yCenter=Math.floor((t.height-t.paddingTop)/2),t.drawingArea=Math.min(t.height-t.paddingTop,t.width)/2},determineDataLimits:function(){var t=this,e=t.chart,i=Number.POSITIVE_INFINITY,n=Number.NEGATIVE_INFINITY;ut.each(e.data.datasets,function(a,o){if(e.isDatasetVisible(o)){var r=e.getDatasetMeta(o);ut.each(a.data,function(e,a){var o=+t.getRightValue(e);isNaN(o)||r.data[a].hidden||(i=Math.min(o,i),n=Math.max(o,n))})}}),t.min=i===Number.POSITIVE_INFINITY?0:i,t.max=n===Number.NEGATIVE_INFINITY?0:n,t.handleTickRangeOptions()},_computeTickLimit:function(){return Math.ceil(this.drawingArea/Fi(this.options))},convertTicksToLabels:function(){var t=this;bi.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,i,n,a=ut.options._parseFont(t.options.pointLabels),o={l:0,r:t.width,t:0,b:t.height-t.paddingTop},r={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,d,u=Ti(t);for(e=0;eo.r&&(o.r=f.end,r.r=h),g.starto.b&&(o.b=g.end,r.b=h)}t.setReductions(t.drawingArea,o,r)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,i){var n=this,a=e.l/Math.sin(i.l),o=Math.max(e.r-n.width,0)/Math.sin(i.r),r=-e.t/Math.cos(i.t),s=-Math.max(e.b-(n.height-n.paddingTop),0)/Math.cos(i.b);a=Bi(a),o=Bi(o),r=Bi(r),s=Bi(s),n.drawingArea=Math.min(Math.floor(t-(a+o)/2),Math.floor(t-(r+s)/2)),n.setCenterPoint(a,o,r,s)},setCenterPoint:function(t,e,i,n){var a=this,o=a.width-e-a.drawingArea,r=t+a.drawingArea,s=i+a.drawingArea,l=a.height-a.paddingTop-n-a.drawingArea;a.xCenter=Math.floor((r+o)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){return t*(2*Math.PI/Ti(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(null===t)return 0;var i=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*i:(t-e.min)*i},getPointPosition:function(t,e){var i=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(i)*e+this.xCenter,y:Math.sin(i)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(){var t=this.min,e=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0)},draw:function(){var t=this,e=t.options,i=e.gridLines,n=e.ticks;if(e.display){var a=t.ctx,o=this.getIndexAngle(0),r=ut.options._parseFont(n);(e.angleLines.display||e.pointLabels.display)&&function(t){var e=t.ctx,i=t.options,n=i.angleLines,a=i.gridLines,o=i.pointLabels,r=Pi(n.lineWidth,a.lineWidth),s=Pi(n.color,a.color),l=Fi(i);e.save(),e.lineWidth=r,e.strokeStyle=s,e.setLineDash&&(e.setLineDash(Ai([n.borderDash,a.borderDash,[]])),e.lineDashOffset=Ai([n.borderDashOffset,a.borderDashOffset,0]));var d=t.getDistanceFromCenterForValue(i.ticks.reverse?t.min:t.max),u=ut.options._parseFont(o);e.font=u.string,e.textBaseline="middle";for(var h=Ti(t)-1;h>=0;h--){if(n.display&&r&&s){var c=t.getPointPosition(h,d);e.beginPath(),e.moveTo(t.xCenter,t.yCenter),e.lineTo(c.x,c.y),e.stroke()}if(o.display){var f=0===h?l/2:0,g=t.getPointPosition(h,d+f+5),p=Ii(o.fontColor,h,st.global.defaultFontColor);e.fillStyle=p;var m=t.getIndexAngle(h),v=ut.toDegrees(m);e.textAlign=Ri(v),zi(v,t._pointLabelSizes[h],g),Oi(e,t.pointLabels[h]||"",g,u.lineHeight)}}e.restore()}(t),ut.each(t.ticks,function(e,s){if(s>0||n.reverse){var l=t.getDistanceFromCenterForValue(t.ticksAsNumbers[s]);if(i.display&&0!==s&&function(t,e,i,n){var a,o=t.ctx,r=e.circular,s=Ti(t),l=Ii(e.color,n-1),d=Ii(e.lineWidth,n-1);if((r||s)&&l&&d){if(o.save(),o.strokeStyle=l,o.lineWidth=d,o.setLineDash&&(o.setLineDash(e.borderDash||[]),o.lineDashOffset=e.borderDashOffset||0),o.beginPath(),r)o.arc(t.xCenter,t.yCenter,i,0,2*Math.PI);else{a=t.getPointPosition(0,i),o.moveTo(a.x,a.y);for(var u=1;u=0&&r<=s;){if(a=t[(n=r+s>>1)-1]||null,o=t[n],!a)return{lo:null,hi:o};if(o[e]i))return{lo:a,hi:o};s=n-1}}return{lo:o,hi:null}}(t,e,i),o=a.lo?a.hi?a.lo:t[t.length-2]:t[0],r=a.lo?a.hi?a.hi:t[t.length-1]:t[1],s=r[e]-o[e],l=s?(i-o[e])/s:0,d=(r[n]-o[n])*l;return o[n]+d}function Ki(t,e){var i=t._adapter,n=t.options.time,a=n.parser,o=a||n.format,r=e;return"function"==typeof a&&(r=a(r)),ut.isFinite(r)||(r="string"==typeof o?i.parse(r,o):i.parse(r)),null!==r?+r:(a||"function"!=typeof o||(r=o(e),ut.isFinite(r)||(r=i.parse(r))),r)}function Gi(t,e){if(ut.isNullOrUndef(e))return null;var i=t.options.time,n=Ki(t,t.getRightValue(e));return null===n?n:(i.round&&(n=+t._adapter.startOf(n,i.round)),n)}function Zi(t){for(var e=qi.indexOf(t)+1,i=qi.length;e=a&&i<=o&&d.push(i);return n.min=a,n.max=o,n._unit=s.unit||function(t,e,i,n,a){var o,r;for(o=qi.length-1;o>=qi.indexOf(i);o--)if(r=qi[o],ji[r].common&&t._adapter.diff(a,n,r)>=e.length)return r;return qi[i?qi.indexOf(i):0]}(n,d,s.minUnit,n.min,n.max),n._majorUnit=Zi(n._unit),n._table=function(t,e,i,n){if("linear"===n||!t.length)return[{time:e,pos:0},{time:i,pos:1}];var a,o,r,s,l,d=[],u=[e];for(a=0,o=t.length;ae&&s=0&&t0?r:1}}),Qi={position:"bottom",distribution:"linear",bounds:"data",adapters:{},time:{parser:!1,format:!1,unit:!1,round:!1,displayFormat:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{autoSkip:!1,source:"auto",major:{enabled:!1}}};Ji._defaults=Qi;var tn={category:gi,linear:yi,logarithmic:Ci,radialLinear:Ni,time:Ji},en={datetime:"MMM D, YYYY, h:mm:ss a",millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"};si._date.override("function"==typeof t?{_id:"moment",formats:function(){return en},parse:function(e,i){return"string"==typeof e&&"string"==typeof i?e=t(e,i):e instanceof t||(e=t(e)),e.isValid()?e.valueOf():null},format:function(e,i){return t(e).format(i)},add:function(e,i,n){return t(e).add(i,n).valueOf()},diff:function(e,i,n){return t.duration(t(e).diff(t(i))).as(n)},startOf:function(e,i,n){return e=t(e),"isoWeek"===i?e.isoWeekday(n).valueOf():e.startOf(i).valueOf()},endOf:function(e,i){return t(e).endOf(i).valueOf()},_create:function(e){return t(e)}}:{}),st._set("global",{plugins:{filler:{propagate:!0}}});var nn={dataset:function(t){var e=t.fill,i=t.chart,n=i.getDatasetMeta(e),a=n&&i.isDatasetVisible(e)&&n.dataset._children||[],o=a.length||0;return o?function(t,e){return e=i)&&n;switch(o){case"bottom":return"start";case"top":return"end";case"zero":return"origin";case"origin":case"start":case"end":return o;default:return!1}}function on(t){var e,i=t.el._model||{},n=t.el._scale||{},a=t.fill,o=null;if(isFinite(a))return null;if("start"===a?o=void 0===i.scaleBottom?n.bottom:i.scaleBottom:"end"===a?o=void 0===i.scaleTop?n.top:i.scaleTop:void 0!==i.scaleZero?o=i.scaleZero:n.getBasePosition?o=n.getBasePosition():n.getBasePixel&&(o=n.getBasePixel()),null!=o){if(void 0!==o.x&&void 0!==o.y)return o;if(ut.isFinite(o))return{x:(e=n.isHorizontal())?o:null,y:e?null:o}}return null}function rn(t,e,i){var n,a=t[e].fill,o=[e];if(!i)return a;for(;!1!==a&&-1===o.indexOf(a);){if(!isFinite(a))return a;if(!(n=t[a]))return!1;if(n.visible)return a;o.push(a),a=n.fill}return!1}function sn(t){var e=t.fill,i="dataset";return!1===e?null:(isFinite(e)||(i="boundary"),nn[i](t))}function ln(t){return t&&!t.skip}function dn(t,e,i,n,a){var o;if(n&&a){for(t.moveTo(e[0].x,e[0].y),o=1;o0;--o)ut.canvas.lineTo(t,i[o],i[o-1],!0)}}var un={id:"filler",afterDatasetsUpdate:function(t,e){var i,n,a,o,r=(t.data.datasets||[]).length,s=e.propagate,l=[];for(n=0;ne?e:t.boxWidth}st._set("global",{legend:{display:!0,position:"top",fullWidth:!0,reverse:!1,weight:1e3,onClick:function(t,e){var i=e.datasetIndex,n=this.chart,a=n.getDatasetMeta(i);a.hidden=null===a.hidden?!n.data.datasets[i].hidden:null,n.update()},onHover:null,onLeave:null,labels:{boxWidth:40,padding:10,generateLabels:function(t){var e=t.data;return ut.isArray(e.datasets)?e.datasets.map(function(e,i){return{text:e.label,fillStyle:ut.isArray(e.backgroundColor)?e.backgroundColor[0]:e.backgroundColor,hidden:!t.isDatasetVisible(i),lineCap:e.borderCapStyle,lineDash:e.borderDash,lineDashOffset:e.borderDashOffset,lineJoin:e.borderJoinStyle,lineWidth:e.borderWidth,strokeStyle:e.borderColor,pointStyle:e.pointStyle,datasetIndex:i}},this):[]}}},legendCallback:function(t){var e=[];e.push('
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e.filter(i,t.chart.data)})),t.options.reverse&&i.reverse(),t.legendItems=i},afterBuildLabels:hn,beforeFit:hn,fit:function(){var t=this,e=t.options,i=e.labels,n=e.display,a=t.ctx,o=ut.options._parseFont(i),r=o.size,s=t.legendHitBoxes=[],l=t.minSize,d=t.isHorizontal();if(d?(l.width=t.maxWidth,l.height=n?10:0):(l.width=n?10:0,l.height=t.maxHeight),n)if(a.font=o.string,d){var u=t.lineWidths=[0],h=0;a.textAlign="left",a.textBaseline="top",ut.each(t.legendItems,function(t,e){var n=fn(i,r)+r/2+a.measureText(t.text).width;(0===e||u[u.length-1]+n+i.padding>l.width)&&(h+=r+i.padding,u[u.length-(e>0?0:1)]=i.padding),s[e]={left:0,top:0,width:n,height:r},u[u.length-1]+=n+i.padding}),l.height+=h}else{var c=i.padding,f=t.columnWidths=[],g=i.padding,p=0,m=0,v=r+c;ut.each(t.legendItems,function(t,e){var n=fn(i,r)+r/2+a.measureText(t.text).width;e>0&&m+v>l.height-c&&(g+=p+i.padding,f.push(p),p=0,m=0),p=Math.max(p,n),m+=v,s[e]={left:0,top:0,width:n,height:r}}),g+=p,f.push(p),l.width+=g}t.width=l.width,t.height=l.height},afterFit:hn,isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},draw:function(){var t=this,e=t.options,i=e.labels,n=st.global,a=n.defaultColor,o=n.elements.line,r=t.width,s=t.lineWidths;if(e.display){var l,d=t.ctx,u=cn(i.fontColor,n.defaultFontColor),h=ut.options._parseFont(i),c=h.size;d.textAlign="left",d.textBaseline="middle",d.lineWidth=.5,d.strokeStyle=u,d.fillStyle=u,d.font=h.string;var f=fn(i,c),g=t.legendHitBoxes,p=t.isHorizontal();l=p?{x:t.left+(r-s[0])/2+i.padding,y:t.top+i.padding,line:0}:{x:t.left+i.padding,y:t.top+i.padding,line:0};var m=c+i.padding;ut.each(t.legendItems,function(n,u){var h=d.measureText(n.text).width,v=f+c/2+h,b=l.x,x=l.y;p?u>0&&b+v+i.padding>t.left+t.minSize.width&&(x=l.y+=m,l.line++,b=l.x=t.left+(r-s[l.line])/2+i.padding):u>0&&x+m>t.top+t.minSize.height&&(b=l.x=b+t.columnWidths[l.line]+i.padding,x=l.y=t.top+i.padding,l.line++),function(t,i,n){if(!(isNaN(f)||f<=0)){d.save();var r=cn(n.lineWidth,o.borderWidth);if(d.fillStyle=cn(n.fillStyle,a),d.lineCap=cn(n.lineCap,o.borderCapStyle),d.lineDashOffset=cn(n.lineDashOffset,o.borderDashOffset),d.lineJoin=cn(n.lineJoin,o.borderJoinStyle),d.lineWidth=r,d.strokeStyle=cn(n.strokeStyle,a),d.setLineDash&&d.setLineDash(cn(n.lineDash,o.borderDash)),e.labels&&e.labels.usePointStyle){var s=f*Math.SQRT2/2,l=t+f/2,u=i+c/2;ut.canvas.drawPoint(d,n.pointStyle,s,l,u)}else 0!==r&&d.strokeRect(t,i,f,c),d.fillRect(t,i,f,c);d.restore()}}(b,x,n),g[u].left=b,g[u].top=x,function(t,e,i,n){var a=c/2,o=f+a+t,r=e+a;d.fillText(i.text,o,r),i.hidden&&(d.beginPath(),d.lineWidth=2,d.moveTo(o,r),d.lineTo(o+n,r),d.stroke())}(b,x,n,h),p?l.x+=v+i.padding:l.y+=m})}},_getLegendItemAt:function(t,e){var i,n,a,o=this;if(t>=o.left&&t<=o.right&&e>=o.top&&e<=o.bottom)for(a=o.legendHitBoxes,i=0;i=(n=a[i]).left&&t<=n.left+n.width&&e>=n.top&&e<=n.top+n.height)return o.legendItems[i];return null},handleEvent:function(t){var e,i=this,n=i.options,a="mouseup"===t.type?"click":t.type;if("mousemove"===a){if(!n.onHover&&!n.onLeave)return}else{if("click"!==a)return;if(!n.onClick)return}e=i._getLegendItemAt(t.x,t.y),"click"===a?e&&n.onClick&&n.onClick.call(i,t.native,e):(n.onLeave&&e!==i._hoveredItem&&(i._hoveredItem&&n.onLeave.call(i,t.native,i._hoveredItem),i._hoveredItem=e),n.onHover&&e&&n.onHover.call(i,t.native,e))}});function pn(t,e){var i=new gn({ctx:t.ctx,options:e,chart:t});ke.configure(t,i,e),ke.addBox(t,i),t.legend=i}var mn={id:"legend",_element:gn,beforeInit:function(t){var 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instanceof CanvasGradient?t:ut.color(t).saturate(.5).darken(.1).rgbString()}}(),ai._adapters=si,ai.Animation=vt,ai.animationService=bt,ai.controllers=ue,ai.DatasetController=Mt,ai.defaults=st,ai.Element=pt,ai.elements=Wt,ai.Interaction=ve,ai.layouts=ke,ai.platform=Ve,ai.plugins=Ee,ai.Scale=fi,ai.scaleService=He,ai.Ticks=li,ai.Tooltip=Je,ai.helpers.each(tn,function(t,e){ai.scaleService.registerScaleType(e,t,t._defaults)}),yn)yn.hasOwnProperty(_n)&&ai.plugins.register(yn[_n]);ai.platform.initialize();var Cn=ai;return"undefined"!=typeof window&&(window.Chart=ai),ai.Chart=ai,ai.Legend=yn.legend._element,ai.Title=yn.title._element,ai.pluginService=ai.plugins,ai.PluginBase=ai.Element.extend({}),ai.canvasHelpers=ai.helpers.canvas,ai.layoutService=ai.layouts,ai.LinearScaleBase=bi,ai.helpers.each(["Bar","Bubble","Doughnut","Line","PolarArea","Radar","Scatter"],function(t){ai[t]=function(e,i){return new ai(e,ai.helpers.merge(i||{},{type:t.charAt(0).toLowerCase()+t.slice(1)}))}}),Cn}); diff --git a/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.js b/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.js new file mode 100644 index 0000000..2306fa8 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.js @@ -0,0 +1,10627 @@ +/*! + * Chart.js v3.7.1 + * https://www.chartjs.org + * (c) 2022 Chart.js Contributors + * Released under the MIT License + */ +import { r as requestAnimFrame, a as resolve, e as effects, c as color, d as defaults, i as isObject, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as createContext, j as defined, s as sign, k as isNullOrUndef, _ as _arrayUnique, t as toRadians, m as toPercentage, n as toDimension, T as TAU, o as formatNumber, p as _angleBetween, H as HALF_PI, P as PI, q as isNumber, w as _limitValue, x as _lookupByKey, y as getRelativePosition$1, z as _isPointInArea, A as _rlookupByKey, B as getAngleFromPoint, C as toPadding, D as each, E as getMaximumSize, F as _getParentNode, G as readUsedSize, I as throttled, J as supportsEventListenerOptions, K as _isDomSupported, L as log10, M as _factorize, N as finiteOrDefault, O as callback, Q as _addGrace, R as toDegrees, S as _measureText, U as _int16Range, V as _alignPixel, W as clipArea, X as renderText, Y as unclipArea, Z as toFont, $ as _toLeftRightCenter, a0 as _alignStartEnd, a1 as overrides, a2 as merge, a3 as _capitalize, a4 as descriptors, a5 as isFunction, a6 as _attachContext, a7 as _createResolver, a8 as _descriptors, a9 as mergeIf, aa as uid, ab as debounce, ac as retinaScale, ad as clearCanvas, ae as setsEqual, af as _elementsEqual, ag as _isClickEvent, ah as _isBetween, ai as _readValueToProps, aj as _updateBezierControlPoints, ak as _computeSegments, al as _boundSegments, am as _steppedInterpolation, an as _bezierInterpolation, ao as _pointInLine, ap as _steppedLineTo, aq as _bezierCurveTo, ar as drawPoint, as as addRoundedRectPath, at as toTRBL, au as toTRBLCorners, av as _boundSegment, aw as _normalizeAngle, ax as getRtlAdapter, ay as overrideTextDirection, az as _textX, aA as restoreTextDirection, aB as noop, aC as distanceBetweenPoints, aD as _setMinAndMaxByKey, aE as niceNum, aF as almostWhole, aG as almostEquals, aH as _decimalPlaces, aI as _longestText, aJ as _filterBetween, aK as _lookup } from './chunks/helpers.segment.js'; +export { d as defaults } from './chunks/helpers.segment.js'; + +class Animator { + constructor() { + this._request = null; + this._charts = new Map(); + this._running = false; + this._lastDate = undefined; + } + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach(fn => fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; + } + this._running = true; + this._request = requestAnimFrame.call(window, () => { + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } + }); + } + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart) => { + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw = false; + let item; + for (; i >= 0; --i) { + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw) { + chart.draw(); + this._notify(chart, anims, date, 'progress'); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, 'complete'); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; + } + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); + } + return anims; + } + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); + } + add(chart, items) { + if (!items || !items.length) { + return; + } + this._getAnims(chart).items.push(...items); + } + has(chart) { + return this._getAnims(chart).items.length > 0; + } + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0); + this._refresh(); + } + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; + } + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for (; i >= 0; --i) { + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), 'complete'); + } + remove(chart) { + return this._charts.delete(chart); + } +} +var animator = new Animator(); + +const transparent = 'transparent'; +const interpolators = { + boolean(from, to, factor) { + return factor > 0.5 ? to : from; + }, + color(from, to, factor) { + const c0 = color(from || transparent); + const c1 = c0.valid && color(to || transparent); + return c1 && c1.valid + ? c1.mix(c0, factor).hexString() + : to; + }, + number(from, to, factor) { + return from + (to - from) * factor; + } +}; +class Animation { + constructor(cfg, target, prop, to) { + const currentValue = target[prop]; + to = resolve([cfg.to, to, currentValue, cfg.from]); + const from = resolve([cfg.from, currentValue, to]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from]; + this._easing = effects[cfg.easing] || effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from; + this._to = to; + this._promises = undefined; + } + active() { + return this._active; + } + update(cfg, to, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = resolve([cfg.to, to, currentValue, cfg.from]); + this._from = resolve([cfg.from, currentValue, to]); + } + } + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } + } + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from = this._from; + const loop = this._loop; + const to = this._to; + let factor; + this._active = from !== to && (loop || (elapsed < duration)); + if (!this._active) { + this._target[prop] = to; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from; + return; + } + factor = (elapsed / duration) % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from, to, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej) => { + promises.push({res, rej}); + }); + } + _notify(resolved) { + const method = resolved ? 'res' : 'rej'; + const promises = this._promises || []; + for (let i = 0; i < promises.length; i++) { + promises[i][method](); + } + } +} + +const numbers = ['x', 'y', 'borderWidth', 'radius', 'tension']; +const colors = ['color', 'borderColor', 'backgroundColor']; +defaults.set('animation', { + delay: undefined, + duration: 1000, + easing: 'easeOutQuart', + fn: undefined, + from: undefined, + loop: undefined, + to: undefined, + type: undefined, +}); +const animationOptions = Object.keys(defaults.animation); +defaults.describe('animation', { + _fallback: false, + _indexable: false, + _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn', +}); +defaults.set('animations', { + colors: { + type: 'color', + properties: colors + }, + numbers: { + type: 'number', + properties: numbers + }, +}); +defaults.describe('animations', { + _fallback: 'animation', +}); +defaults.set('transitions', { + active: { + animation: { + duration: 400 + } + }, + resize: { + animation: { + duration: 0 + } + }, + show: { + animations: { + colors: { + from: 'transparent' + }, + visible: { + type: 'boolean', + duration: 0 + }, + } + }, + hide: { + animations: { + colors: { + to: 'transparent' + }, + visible: { + type: 'boolean', + easing: 'linear', + fn: v => v | 0 + }, + } + } +}); +class Animations { + constructor(chart, config) { + this._chart = chart; + this._properties = new Map(); + this.configure(config); + } + configure(config) { + if (!isObject(config)) { + return; + } + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach(key => { + const cfg = config[key]; + if (!isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions) { + resolved[option] = cfg[option]; + } + (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => { + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); + } + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; + } + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(() => { + target.options = newOptions; + }, () => { + }); + } + return animations; + } + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for (i = props.length - 1; i >= 0; --i) { + const prop = props[i]; + if (prop.charAt(0) === '$') { + continue; + } + if (prop === 'options') { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; + } + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } + } +} +function awaitAll(animations, properties) { + const running = []; + const keys = Object.keys(properties); + for (let i = 0; i < keys.length; i++) { + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } + } + return Promise.all(running); +} +function resolveTargetOptions(target, newOptions) { + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, {$shared: false, $animations: {}}); + } + return options; +} + +function scaleClip(scale, allowedOverflow) { + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === undefined ? allowedOverflow : 0; + const max = opts.max === undefined ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; +} +function defaultClip(xScale, yScale, allowedOverflow) { + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; +} +function toClip(value) { + let t, r, b, l; + if (isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; +} +function getSortedDatasetIndices(chart, filterVisible) { + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + keys.push(metasets[i].index); + } + return keys; +} +function applyStack(stack, value, dsIndex, options = {}) { + const keys = stack.keys; + const singleMode = options.mode === 'single'; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; + } + for (i = 0, ilen = keys.length; i < ilen; ++i) { + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) { + value += otherValue; + } + } + return value; +} +function convertObjectDataToArray(data) { + const keys = Object.keys(data); + const adata = new Array(keys.length); + let i, ilen, key; + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + adata[i] = { + x: key, + y: data[key] + }; + } + return adata; +} +function isStacked(scale, meta) { + const stacked = scale && scale.options.stacked; + return stacked || (stacked === undefined && meta.stack !== undefined); +} +function getStackKey(indexScale, valueScale, meta) { + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; +} +function getUserBounds(scale) { + const {min, max, minDefined, maxDefined} = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; +} +function getOrCreateStack(stacks, stackKey, indexValue) { + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); +} +function getLastIndexInStack(stack, vScale, positive, type) { + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) { + const value = stack[meta.index]; + if ((positive && value > 0) || (!positive && value < 0)) { + return meta.index; + } + } + return null; +} +function updateStacks(controller, parsed) { + const {chart, _cachedMeta: meta} = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const {iScale, vScale, index: datasetIndex} = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for (let i = 0; i < ilen; ++i) { + const item = parsed[i]; + const {[iAxis]: index, [vAxis]: value} = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + } +} +function getFirstScaleId(chart, axis) { + const scales = chart.scales; + return Object.keys(scales).filter(key => scales[key].axis === axis).shift(); +} +function createDatasetContext(parent, index) { + return createContext(parent, + { + active: false, + dataset: undefined, + datasetIndex: index, + index, + mode: 'default', + type: 'dataset' + } + ); +} +function createDataContext(parent, index, element) { + return createContext(parent, { + active: false, + dataIndex: index, + parsed: undefined, + raw: undefined, + element, + index, + mode: 'default', + type: 'data' + }); +} +function clearStacks(meta, items) { + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items) { + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { + return; + } + delete stacks[axis][datasetIndex]; + } +} +const isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none'; +const cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached); +const createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked + && {keys: getSortedDatasetIndices(chart, true), values: null}; +class DatasetController { + constructor(chart, datasetIndex) { + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = undefined; + this._parsing = false; + this._data = undefined; + this._objectData = undefined; + this._sharedOptions = undefined; + this._drawStart = undefined; + this._drawCount = undefined; + this.enableOptionSharing = false; + this.$context = undefined; + this._syncList = []; + this.initialize(); + } + initialize() { + const meta = this._cachedMeta; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + } + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); + } + this.index = datasetIndex; + } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y; + const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); + const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); + const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); + } + getDataset() { + return this.chart.data.datasets[this.index]; + } + getMeta() { + return this.chart.getDatasetMeta(this.index); + } + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; + } + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale + ? meta.vScale + : meta.iScale; + } + reset() { + this._update('reset'); + } + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + unlistenArrayEvents(this._data, this); + } + if (meta._stacked) { + clearStacks(meta); + } + } + _dataCheck() { + const dataset = this.getDataset(); + const data = dataset.data || (dataset.data = []); + const _data = this._data; + if (isObject(data)) { + this._data = convertObjectDataToArray(data); + } else if (_data !== data) { + if (_data) { + unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; + } + if (data && Object.isExtensible(data)) { + listenArrayEvents(data, this); + } + this._syncList = []; + this._data = data; + } + } + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); + } + } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } + } + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; + } + parse(start, count) { + const {_cachedMeta: meta, _data: data} = this; + const {iScale, _stacked} = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data; + meta._sorted = true; + parsed = data; + } else { + if (isArray(data[start])) { + parsed = this.parseArrayData(meta, data, start, count); + } else if (isObject(data[start])) { + parsed = this.parseObjectData(meta, data, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data, start, count); + } + const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]); + for (i = 0; i < count; ++i) { + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } + } + parsePrimitiveData(meta, data, start, count) { + const {iScale, vScale} = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index], index), + [vAxis]: vScale.parse(data[index], index) + }; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const {xScale, yScale} = meta; + const parsed = new Array(count); + let i, ilen, index, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(item[0], index), + y: yScale.parse(item[1], index) + }; + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const {xScale, yScale} = meta; + const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(resolveObjectKey(item, xAxisKey), index), + y: yScale.parse(resolveObjectKey(item, yAxisKey), index) + }; + } + return parsed; + } + getParsed(index) { + return this._cachedMeta._parsed[index]; + } + getDataElement(index) { + return this._cachedMeta.data[index]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis] + }; + return applyStack(stack, value, meta.index, {mode}); + } + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); + } + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY}; + const {min: otherMin, max: otherMax} = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for (i = 0; i < ilen; ++i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for (i = ilen - 1; i >= 0; --i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; + } + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for (i = 0, ilen = parsed.length; i < ilen; ++i) { + value = parsed[i][scale.axis]; + if (isNumberFinite(value)) { + values.push(value); + } + } + return values; + } + getMaxOverflow() { + return false; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index); + return { + label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', + value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' + }; + } + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || 'default'); + meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); + } + update(mode) {} + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || (elements.length - start); + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for (i = start; i < start + count; ++i) { + const element = elements[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for (i = 0; i < active.length; ++i) { + active[i].draw(ctx, area); + } + } + getStyle(index, active) { + const mode = active ? 'active' : 'default'; + return index === undefined && this._cachedMeta.dataset + ? this.resolveDatasetElementOptions(mode) + : this.resolveDataElementOptions(index || 0, mode); + } + getContext(index, active, mode) { + const dataset = this.getDataset(); + let context; + if (index >= 0 && index < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index]; + context = element.$context || + (element.$context = createDataContext(this.getContext(), index, element)); + context.parsed = this.getParsed(index); + context.raw = dataset.data[index]; + context.index = context.dataIndex = index; + } else { + context = this.$context || + (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; + } + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); + } + resolveDataElementOptions(index, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index); + } + _resolveElementOptions(elementType, mode = 'default', index) { + const active = mode === 'active'; + const cache = this._cachedDataOpts; + const cacheKey = elementType + '-' + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && defined(index); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, '']; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names = Object.keys(defaults.elements[elementType]); + const context = () => this.getContext(index, active); + const values = config.resolveNamedOptions(scopes, names, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; + } + _resolveAnimations(index, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; + } + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); + } + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; + } + updateElement(element, index, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index, mode).update(element, properties); + } + } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); + } + } + _setStyle(element, index, mode, active) { + element.active = active; + const options = this.getStyle(index, active); + this._resolveAnimations(index, mode, active).update(element, { + options: (!active && this.getSharedOptions(options)) || options + }); + } + removeHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', false); + } + setHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', true); + } + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', false); + } + } + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', true); + } + } + _resyncElements(resetNewElements) { + const data = this._data; + const elements = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList) { + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements.length; + const numData = data.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } + } + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data = meta.data; + const end = start + count; + let i; + const move = (arr) => { + arr.length += count; + for (i = arr.length - 1; i >= end; i--) { + arr[i] = arr[i - count]; + } + }; + move(data); + for (i = start; i < end; ++i) { + data[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data, start, count, 'reset'); + } + } + updateElements(element, start, count, mode) {} + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); + } + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([this.index, ...args]); + } + _onDataPush() { + const count = arguments.length; + this._sync(['_insertElements', this.getDataset().data.length - count, count]); + } + _onDataPop() { + this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]); + } + _onDataShift() { + this._sync(['_removeElements', 0, 1]); + } + _onDataSplice(start, count) { + if (count) { + this._sync(['_removeElements', start, count]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync(['_insertElements', start, newCount]); + } + } + _onDataUnshift() { + this._sync(['_insertElements', 0, arguments.length]); + } +} +DatasetController.defaults = {}; +DatasetController.prototype.datasetElementType = null; +DatasetController.prototype.dataElementType = null; + +function getAllScaleValues(scale, type) { + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) { + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b)); + } + return scale._cache.$bar; +} +function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = () => { + if (curr === 32767 || curr === -32768) { + return; + } + if (defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for (i = 0, ilen = values.length; i < ilen; ++i) { + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); + } + prev = undefined; + for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) { + curr = scale.getPixelForTick(i); + updateMinAndPrev(); + } + return min; +} +function computeFitCategoryTraits(index, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index] - (size / 2) + }; +} +function computeFlexCategoryTraits(index, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index]; + let prev = index > 0 ? pixels[index - 1] : null; + let next = index < pixels.length - 1 ? pixels[index + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; +} +function parseFloatBar(entry, item, vScale, i) { + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; +} +function parseValue(entry, item, vScale, i) { + if (isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; +} +function parseArrayOrPrimitive(meta, data, start, count) { + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for (i = start, ilen = start + count; i < ilen; ++i) { + entry = data[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; +} +function isFloatBar(custom) { + return custom && custom.barStart !== undefined && custom.barEnd !== undefined; +} +function barSign(size, vScale, actualBase) { + if (size !== 0) { + return sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); +} +function borderProps(properties) { + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = 'left'; + end = 'right'; + } else { + reverse = properties.base < properties.y; + start = 'bottom'; + end = 'top'; + } + if (reverse) { + top = 'end'; + bottom = 'start'; + } else { + top = 'start'; + bottom = 'end'; + } + return {start, end, reverse, top, bottom}; +} +function setBorderSkipped(properties, options, stack, index) { + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; + } + const {start, end, reverse, top, bottom} = borderProps(properties); + if (edge === 'middle' && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index) { + edge = top; + } else if ((stack._bottom || 0) === index) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; +} +function parseEdge(edge, a, b, reverse) { + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; +} +function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; +} +function startEnd(v, start, end) { + return v === 'start' ? start : v === 'end' ? end : v; +} +function setInflateAmount(properties, {inflateAmount}, ratio) { + properties.inflateAmount = inflateAmount === 'auto' + ? ratio === 1 ? 0.33 : 0 + : inflateAmount; +} +class BarController extends DatasetController { + parsePrimitiveData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseArrayData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseObjectData(meta, data, start, count) { + const {iScale, vScale} = meta; + const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; + const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for (i = start, ilen = start + count; i < ilen; ++i) { + obj = data[i]; + item = {}; + item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const {iScale, vScale} = meta; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const value = isFloatBar(custom) + ? '[' + custom.start + ', ' + custom.end + ']' + : '' + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: '' + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === 'reset'; + const {index, _cachedMeta: {vScale}} = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + this.updateSharedOptions(sharedOptions, mode, firstOpts); + for (let i = start; i < start + count; i++) { + const parsed = this.getParsed(i); + const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom), + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const metasets = iScale.getMatchingVisibleMetas(this._type); + const stacked = iScale.options.stacked; + const ilen = metasets.length; + const stacks = []; + let i, item; + for (i = 0; i < ilen; ++i) { + item = metasets[i]; + if (!item.controller.options.grouped) { + continue; + } + if (typeof dataIndex !== 'undefined') { + const val = item.controller.getParsed(dataIndex)[ + item.controller._cachedMeta.vScale.axis + ]; + if (isNullOrUndef(val) || isNaN(val)) { + continue; + } + } + if (stacked === false || stacks.indexOf(item.stack) === -1 || + (stacked === undefined && item.stack === undefined)) { + stacks.push(item.stack); + } + if (item.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(undefined); + } + return stacks; + } + _getStackCount(index) { + return this._getStacks(undefined, index).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index = (name !== undefined) + ? stacks.indexOf(name) + : -1; + return (index === -1) + ? stacks.length - 1 + : index; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for (i = 0, ilen = meta.data.length; i < ilen; ++i) { + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index) { + const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && sign(value) !== sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + head = base + size; + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; + const range = options.barThickness === 'flex' + ? computeFlexCategoryTraits(index, ruler, options, stackCount) + : computeFitCategoryTraits(index, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); + center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for (; i < ilen; ++i) { + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } + } +} +BarController.id = 'bar'; +BarController.defaults = { + datasetElementType: false, + dataElementType: 'bar', + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'base', 'width', 'height'] + } + } +}; +BarController.overrides = { + scales: { + _index_: { + type: 'category', + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: 'linear', + beginAtZero: true, + } + } +}; + +class BubbleController extends DatasetController { + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + parsePrimitiveData(meta, data, start, count) { + const parsed = super.parsePrimitiveData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const parsed = super.parseArrayData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const parsed = super.parseObjectData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data = this._cachedMeta.data; + let max = 0; + for (let i = data.length - 1; i >= 0; --i) { + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const {xScale, yScale} = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: meta.label, + value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const {iScale, vScale} = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + resolveDataElementOptions(index, mode) { + const parsed = this.getParsed(index); + let values = super.resolveDataElementOptions(index, mode); + if (values.$shared) { + values = Object.assign({}, values, {$shared: false}); + } + const radius = values.radius; + if (mode !== 'active') { + values.radius = 0; + } + values.radius += valueOrDefault(parsed && parsed._custom, radius); + return values; + } +} +BubbleController.id = 'bubble'; +BubbleController.defaults = { + datasetElementType: false, + dataElementType: 'point', + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'borderWidth', 'radius'] + } + } +}; +BubbleController.overrides = { + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + }, + plugins: { + tooltip: { + callbacks: { + title() { + return ''; + } + } + } + } +}; + +function getRatioAndOffset(rotation, circumference, cutout) { + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(HALF_PI, startY, endY); + const minX = calcMin(PI, startX, endX); + const minY = calcMin(PI + HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return {ratioX, ratioY, offsetX, offsetY}; +} +class DoughnutController extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.offsetX = undefined; + this.offsetY = undefined; + } + linkScales() {} + parse(start, count) { + const data = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data; + } else { + let getter = (i) => +data[i]; + if (isObject(data[start])) { + const {key = 'value'} = this._parsing; + getter = (i) => +resolveObjectKey(data[i], key); + } + let i, ilen; + for (i = start, ilen = start + count; i < ilen; ++i) { + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return toRadians(this.options.rotation - 90); + } + _getCircumference() { + return toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = TAU; + let max = -TAU; + for (let i = 0; i < this.chart.data.datasets.length; ++i) { + if (this.chart.isDatasetVisible(i)) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min, + }; + } + update(mode) { + const chart = this.chart; + const {chartArea} = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const {circumference, rotation} = this._getRotationExtents(); + const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + let startAngle = this._getRotation(); + let i; + for (i = 0; i < start; ++i) { + startAngle += this._circumference(i, reset); + } + for (i = start; i < start + count; ++i) { + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for (i = 0; i < metaData.length; i++) { + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index], chart.options.locale); + return { + label: labels[index] || '', + value, + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== 'inner') { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for (let i = 0, ilen = arcs.length; i < ilen; ++i) { + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for (let i = 0; i < datasetIndex; ++i) { + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +} +DoughnutController.id = 'doughnut'; +DoughnutController.defaults = { + datasetElementType: false, + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: false + }, + animations: { + numbers: { + type: 'number', + properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing'] + }, + }, + cutout: '50%', + rotation: 0, + circumference: 360, + radius: '100%', + spacing: 0, + indexAxis: 'r', +}; +DoughnutController.descriptors = { + _scriptable: (name) => name !== 'spacing', + _indexable: (name) => name !== 'spacing', +}; +DoughnutController.overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const {labels: {pointStyle}} = chart.legend.options; + return data.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + }, + tooltip: { + callbacks: { + title() { + return ''; + }, + label(tooltipItem) { + let dataLabel = tooltipItem.label; + const value = ': ' + tooltipItem.formattedValue; + if (isArray(dataLabel)) { + dataLabel = dataLabel.slice(); + dataLabel[0] += value; + } else { + dataLabel += value; + } + return dataLabel; + } + } + } + } +}; + +class LineController extends DatasetController { + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + update(mode) { + const meta = this._cachedMeta; + const {dataset: line, data: points = [], _dataset} = meta; + const animationsDisabled = this.chart._animationsDisabled; + let {start, count} = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const {iScale, vScale, _stacked, _dataset} = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const {spanGaps, segment} = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + let prevParsed = start > 0 && this.getParsed(start - 1); + for (let i = start; i < start + count; ++i) { + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && (parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data = meta.data || []; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); + } +} +LineController.id = 'line'; +LineController.defaults = { + datasetElementType: 'line', + dataElementType: 'point', + showLine: true, + spanGaps: false, +}; +LineController.overrides = { + scales: { + _index_: { + type: 'category', + }, + _value_: { + type: 'linear', + }, + } +}; +function getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { + const pointCount = points.length; + let start = 0; + let count = pointCount; + if (meta._sorted) { + const {iScale, _parsed} = meta; + const axis = iScale.axis; + const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(Math.min( + _lookupByKey(_parsed, iScale.axis, min).lo, + animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), + 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(Math.max( + _lookupByKey(_parsed, iScale.axis, max).hi + 1, + animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1), + start, pointCount) - start; + } else { + count = pointCount - start; + } + } + return {start, count}; +} +function scaleRangesChanged(meta) { + const {xScale, yScale, _scaleRanges} = meta; + const newRanges = { + xmin: xScale.min, + xmax: xScale.max, + ymin: yScale.min, + ymax: yScale.max + }; + if (!_scaleRanges) { + meta._scaleRanges = newRanges; + return true; + } + const changed = _scaleRanges.xmin !== xScale.min + || _scaleRanges.xmax !== xScale.max + || _scaleRanges.ymin !== yScale.min + || _scaleRanges.ymax !== yScale.max; + Object.assign(_scaleRanges, newRanges); + return changed; +} + +class PolarAreaController extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.innerRadius = undefined; + this.outerRadius = undefined; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index].r, chart.options.locale); + return { + label: labels[index] || '', + value, + }; + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - (radiusLength * this.index); + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const dataset = this.getDataset(); + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for (i = 0; i < start; ++i) { + angle += this._computeAngle(i, mode, defaultAngle); + } + for (i = start; i < start + count; i++) { + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const dataset = this.getDataset(); + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index) => { + if (!isNaN(dataset.data[index]) && this.chart.getDataVisibility(index)) { + count++; + } + }); + return count; + } + _computeAngle(index, mode, defaultAngle) { + return this.chart.getDataVisibility(index) + ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) + : 0; + } +} +PolarAreaController.id = 'polarArea'; +PolarAreaController.defaults = { + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: true + }, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius'] + }, + }, + indexAxis: 'r', + startAngle: 0, +}; +PolarAreaController.overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const {labels: {pointStyle}} = chart.legend.options; + return data.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + }, + tooltip: { + callbacks: { + title() { + return ''; + }, + label(context) { + return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue; + } + } + } + }, + scales: { + r: { + type: 'radialLinear', + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } + } +}; + +class PieController extends DoughnutController { +} +PieController.id = 'pie'; +PieController.defaults = { + cutout: 0, + rotation: 0, + circumference: 360, + radius: '100%' +}; + +class RadarController extends DatasetController { + getLabelAndValue(index) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index); + return { + label: vScale.getLabels()[index], + value: '' + vScale.getLabelForValue(parsed[vScale.axis]) + }; + } + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== 'resize') { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, undefined, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const dataset = this.getDataset(); + const scale = this._cachedMeta.rScale; + const reset = mode === 'reset'; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + const pointPosition = scale.getPointPositionForValue(i, dataset.data[i]); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +} +RadarController.id = 'radar'; +RadarController.defaults = { + datasetElementType: 'line', + dataElementType: 'point', + indexAxis: 'r', + showLine: true, + elements: { + line: { + fill: 'start' + } + }, +}; +RadarController.overrides = { + aspectRatio: 1, + scales: { + r: { + type: 'radialLinear', + } + } +}; + +class ScatterController extends LineController { +} +ScatterController.id = 'scatter'; +ScatterController.defaults = { + showLine: false, + fill: false +}; +ScatterController.overrides = { + interaction: { + mode: 'point' + }, + plugins: { + tooltip: { + callbacks: { + title() { + return ''; + }, + label(item) { + return '(' + item.label + ', ' + item.formattedValue + ')'; + } + } + } + }, + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } +}; + +var controllers = /*#__PURE__*/Object.freeze({ +__proto__: null, +BarController: BarController, +BubbleController: BubbleController, +DoughnutController: DoughnutController, +LineController: LineController, +PolarAreaController: PolarAreaController, +PieController: PieController, +RadarController: RadarController, +ScatterController: ScatterController +}); + +function abstract() { + throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); +} +class DateAdapter { + constructor(options) { + this.options = options || {}; + } + formats() { + return abstract(); + } + parse(value, format) { + return abstract(); + } + format(timestamp, format) { + return abstract(); + } + add(timestamp, amount, unit) { + return abstract(); + } + diff(a, b, unit) { + return abstract(); + } + startOf(timestamp, unit, weekday) { + return abstract(); + } + endOf(timestamp, unit) { + return abstract(); + } +} +DateAdapter.override = function(members) { + Object.assign(DateAdapter.prototype, members); +}; +var adapters = { + _date: DateAdapter +}; + +function getRelativePosition(e, chart) { + if ('native' in e) { + return { + x: e.x, + y: e.y + }; + } + return getRelativePosition$1(e, chart); +} +function evaluateAllVisibleItems(chart, handler) { + const metasets = chart.getSortedVisibleDatasetMetas(); + let index, data, element; + for (let i = 0, ilen = metasets.length; i < ilen; ++i) { + ({index, data} = metasets[i]); + for (let j = 0, jlen = data.length; j < jlen; ++j) { + element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} +function binarySearch(metaset, axis, value, intersect) { + const {controller, data, _sorted} = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { + const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; + if (!intersect) { + return lookupMethod(data, axis, value); + } else if (controller._sharedOptions) { + const el = data[0]; + const range = typeof el.getRange === 'function' && el.getRange(axis); + if (range) { + const start = lookupMethod(data, axis, value - range); + const end = lookupMethod(data, axis, value + range); + return {lo: start.lo, hi: end.hi}; + } + } + } + return {lo: 0, hi: data.length - 1}; +} +function optimizedEvaluateItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for (let i = 0, ilen = metasets.length; i < ilen; ++i) { + const {index, data} = metasets[i]; + const {lo, hi} = binarySearch(metasets[i], axis, value, intersect); + for (let j = lo; j <= hi; ++j) { + const element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} +function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf('x') !== -1; + const useY = axis.indexOf('y') !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} +function getIntersectItems(chart, position, axis, useFinalPosition) { + const items = []; + if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index) { + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({element, datasetIndex, index}); + } + }; + optimizedEvaluateItems(chart, axis, position, evaluationFunc, true); + return items; +} +function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index) { + const {startAngle, endAngle} = element.getProps(['startAngle', 'endAngle'], useFinalPosition); + const {angle} = getAngleFromPoint(element, {x: position.x, y: position.y}); + if (_angleBetween(angle, startAngle, endAngle)) { + items.push({element, datasetIndex, index}); + } + } + optimizedEvaluateItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index) { + const inRange = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = _isPointInArea(center, chart.chartArea, chart._minPadding); + if (!pointInArea && !inRange) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [{element, datasetIndex, index}]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({element, datasetIndex, index}); + } + } + optimizedEvaluateItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestItems(chart, position, axis, intersect, useFinalPosition) { + if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { + return []; + } + return axis === 'r' && !intersect + ? getNearestRadialItems(chart, position, axis, useFinalPosition) + : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition); +} +function getAxisItems(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const items = []; + const axis = options.axis; + const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; + let intersectsItem = false; + evaluateAllVisibleItems(chart, (element, datasetIndex, index) => { + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({element, datasetIndex, index}); + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + intersectsItem = true; + } + }); + if (options.intersect && !intersectsItem) { + return []; + } + return items; +} +var Interaction = { + modes: { + index(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'x'; + const items = options.intersect + ? getIntersectItems(chart, position, axis, useFinalPosition) + : getNearestItems(chart, position, axis, false, useFinalPosition); + const elements = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta) => { + const index = items[0].index; + const element = meta.data[index]; + if (element && !element.skip) { + elements.push({element, datasetIndex: meta.index, index}); + } + }); + return elements; + }, + dataset(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + let items = options.intersect + ? getIntersectItems(chart, position, axis, useFinalPosition) : + getNearestItems(chart, position, axis, false, useFinalPosition); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data = chart.getDatasetMeta(datasetIndex).data; + items = []; + for (let i = 0; i < data.length; ++i) { + items.push({element: data[i], datasetIndex, index: i}); + } + } + return items; + }, + point(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + return getIntersectItems(chart, position, axis, useFinalPosition); + }, + nearest(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition); + }, + x(chart, e, options, useFinalPosition) { + return getAxisItems(chart, e, {axis: 'x', intersect: options.intersect}, useFinalPosition); + }, + y(chart, e, options, useFinalPosition) { + return getAxisItems(chart, e, {axis: 'y', intersect: options.intersect}, useFinalPosition); + } + } +}; + +const STATIC_POSITIONS = ['left', 'top', 'right', 'bottom']; +function filterByPosition(array, position) { + return array.filter(v => v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b) => { + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? + v0.index - v1.index : + v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { + box = boxes[i]; + ({position: pos, options: {stack, stackWeight = 1}} = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && (pos + stack), + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts) { + const stacks = {}; + for (const wrap of layouts) { + const {stack, pos, stackWeight} = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0}); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} +function setLayoutDims(layouts, params) { + const stacks = buildStacks(layouts); + const {vBoxMaxWidth, hBoxMaxHeight} = params; + let i, ilen, layout; + for (i = 0, ilen = layouts.length; i < ilen; ++i) { + layout = layouts[i]; + const {fullSize} = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const {pos, box} = layout; + const maxPadding = chartArea.maxPadding; + if (!isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || {size: 0, count: 1}; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal + ? {same: widthChanged, other: heightChanged} + : {same: heightChanged, other: widthChanged}; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions) { + const margin = {left: 0, top: 0, right: 0, bottom: 0}; + positions.forEach((pos) => { + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal + ? marginForPositions(['left', 'right']) + : marginForPositions(['top', 'bottom']); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) { + layout = boxes[i]; + box = layout.box; + box.update( + layout.width || chartArea.w, + layout.height || chartArea.h, + getMargins(layout.horizontal, chartArea) + ); + const {same, other} = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let {x, y} = chartArea; + for (const layout of boxes) { + const box = layout.box; + const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1}; + const weight = (layout.stackWeight / stack.weight) || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +defaults.set('layout', { + autoPadding: true, + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } +}); +var layouts = { + addBox(chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [{ + z: 0, + draw(chartArea) { + item.draw(chartArea); + } + }]; + }; + chart.boxes.push(item); + }, + removeBox(chart, layoutItem) { + const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + configure(chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update(chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + each(chart.boxes, box => { + if (typeof box.beforeLayout === 'function') { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) => + wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w, + }; + each(boxes.chartArea, (layout) => { + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, {left: 0, top: 0, right: 0, bottom: 0}); + }); + } +}; + +class BasePlatform { + acquireContext(canvas, aspectRatio) {} + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) {} + removeEventListener(chart, type, listener) {} + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +} + +class BasicPlatform extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext('2d') || null; + } + updateConfig(config) { + config.options.animation = false; + } +} + +const EXPANDO_KEY = '$chartjs'; +const EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; +const isNullOrEmpty = value => value === null || value === ''; +function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute('height'); + const renderWidth = canvas.getAttribute('width'); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || 'block'; + style.boxSizing = style.boxSizing || 'border-box'; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === '') { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = readUsedSize(canvas, 'height'); + if (displayHeight !== undefined) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +const eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const {x, y} = getRelativePosition$1(event, chart); + return { + type, + chart, + native: event, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null, + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList) { + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver(entries => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, {childList: true, subtree: true}); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver(entries => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, {childList: true, subtree: true}); + return observer; +} +const drpListeningCharts = new Map(); +let oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart) => { + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener('resize', onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener('resize', onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && _getParentNode(canvas); + if (!container) { + return; + } + const resize = throttled((width, height) => { + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver(entries => { + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === 'resize') { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = throttled((event) => { + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart, (args) => { + const event = args[0]; + return [event, event.offsetX, event.offsetY]; + }); + addListener(canvas, type, proxy); + return proxy; +} +class DomPlatform extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext('2d'); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + ['height', 'width'].forEach((prop) => { + const value = initial[prop]; + if (isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key) => { + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = undefined; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = _getParentNode(canvas); + return !!(container && container.isConnected); + } +} + +function _detectPlatform(canvas) { + if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) { + return BasicPlatform; + } + return DomPlatform; +} + +class Element { + constructor() { + this.x = undefined; + this.y = undefined; + this.active = false; + this.options = undefined; + this.$animations = undefined; + } + tooltipPosition(useFinalPosition) { + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return {x, y}; + } + hasValue() { + return isNumber(this.x) && isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + return this; + } + const ret = {}; + props.forEach(prop => { + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +} +Element.defaults = {}; +Element.defaultRoutes = undefined; + +const formatters = { + values(value) { + return isArray(value) ? value : '' + value; + }, + numeric(tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const locale = this.chart.options.locale; + let notation; + let delta = tickValue; + if (ticks.length > 1) { + const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); + if (maxTick < 1e-4 || maxTick > 1e+15) { + notation = 'scientific'; + } + delta = calculateDelta(tickValue, ticks); + } + const logDelta = log10(Math.abs(delta)); + const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); + const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal}; + Object.assign(options, this.options.ticks.format); + return formatNumber(tickValue, locale, options); + }, + logarithmic(tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue)))); + if (remain === 1 || remain === 2 || remain === 5) { + return formatters.numeric.call(this, tickValue, index, ticks); + } + return ''; + } +}; +function calculateDelta(tickValue, ticks) { + let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; + if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { + delta = tickValue - Math.floor(tickValue); + } + return delta; +} +var Ticks = {formatters}; + +defaults.set('scale', { + display: true, + offset: false, + reverse: false, + beginAtZero: false, + bounds: 'ticks', + grace: 0, + grid: { + display: true, + lineWidth: 1, + drawBorder: true, + drawOnChartArea: true, + drawTicks: true, + tickLength: 8, + tickWidth: (_ctx, options) => options.lineWidth, + tickColor: (_ctx, options) => options.color, + offset: false, + borderDash: [], + borderDashOffset: 0.0, + borderWidth: 1 + }, + title: { + display: false, + text: '', + padding: { + top: 4, + bottom: 4 + } + }, + ticks: { + minRotation: 0, + maxRotation: 50, + mirror: false, + textStrokeWidth: 0, + textStrokeColor: '', + padding: 3, + display: true, + autoSkip: true, + autoSkipPadding: 3, + labelOffset: 0, + callback: Ticks.formatters.values, + minor: {}, + major: {}, + align: 'center', + crossAlign: 'near', + showLabelBackdrop: false, + backdropColor: 'rgba(255, 255, 255, 0.75)', + backdropPadding: 2, + } +}); +defaults.route('scale.ticks', 'color', '', 'color'); +defaults.route('scale.grid', 'color', '', 'borderColor'); +defaults.route('scale.grid', 'borderColor', '', 'borderColor'); +defaults.route('scale.title', 'color', '', 'color'); +defaults.describe('scale', { + _fallback: false, + _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', + _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash', +}); +defaults.describe('scales', { + _fallback: 'scale', +}); +defaults.describe('scale.ticks', { + _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback', + _indexable: (name) => name !== 'backdropPadding', +}); + +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} +function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = _factorize(evenMajorSpacing); + for (let i = 0, ilen = factors.length - 1; i < ilen; i++) { + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} +function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (ticks[i].major) { + result.push(i); + } + } + return result; +} +function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for (i = 0; i < ticks.length; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} +function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = valueOrDefault(majorStart, 0); + const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while (next < 0) { + count++; + next = Math.round(start + count * spacing); + } + for (i = Math.max(start, 0); i < end; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} +function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for (diff = arr[0], i = 1; i < len; ++i) { + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} + +const reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align; +const offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; +function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for (; i < len; i += increment) { + result.push(arr[Math.floor(i)]); + } + return result; +} +function getPixelForGridLine(scale, index, offsetGridLines) { + const length = scale.ticks.length; + const validIndex = Math.min(index, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; + } + lineValue += validIndex < index ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} +function garbageCollect(caches, length) { + each(caches, (cache) => { + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for (i = 0; i < gcLen; ++i) { + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} +function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} +function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = toFont(options.font, fallback); + const padding = toPadding(options.padding); + const lines = isArray(options.text) ? options.text.length : 1; + return (lines * font.lineHeight) + padding.height; +} +function createScaleContext(parent, scale) { + return createContext(parent, { + scale, + type: 'scale' + }); +} +function createTickContext(parent, index, tick) { + return createContext(parent, { + tick, + index, + type: 'tick' + }); +} +function titleAlign(align, position, reverse) { + let ret = _toLeftRightCenter(align); + if ((reverse && position !== 'right') || (!reverse && position === 'right')) { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const {top, left, bottom, right, chart} = scale; + const {chartArea, scales} = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === 'center') { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === 'center') { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = _alignStartEnd(align, bottom, top); + rotation = position === 'left' ? -HALF_PI : HALF_PI; + } + return {titleX, titleY, maxWidth, rotation}; +} +class Scale extends Element { + constructor(cfg) { + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = undefined; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = undefined; + this.maxHeight = undefined; + this.paddingTop = undefined; + this.paddingBottom = undefined; + this.paddingLeft = undefined; + this.paddingRight = undefined; + this.axis = undefined; + this.labelRotation = undefined; + this.min = undefined; + this.max = undefined; + this._range = undefined; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = undefined; + this._endPixel = undefined; + this._reversePixels = false; + this._userMax = undefined; + this._userMin = undefined; + this._suggestedMax = undefined; + this._suggestedMin = undefined; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = undefined; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index) { + return raw; + } + getUserBounds() { + let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this; + _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: finiteOrDefault(_userMin, _suggestedMin), + max: finiteOrDefault(_userMax, _suggestedMax), + minDefined: isNumberFinite(_userMin), + maxDefined: isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let {min, max, minDefined, maxDefined} = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return {min, max}; + } + const metas = this.getMatchingVisibleMetas(); + for (let i = 0, ilen = metas.length; i < ilen; ++i) { + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: finiteOrDefault(min, finiteOrDefault(max, min)), + max: finiteOrDefault(max, finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + callback(this.options.beforeUpdate, [this]); + } + update(maxWidth, maxHeight, margins) { + const {beginAtZero, grace, ticks: tickOpts} = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() + ? this.width + margins.left + margins.right + : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = _addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + callback(this.options.afterUpdate, [this]); + } + beforeSetDimensions() { + callback(this.options.beforeSetDimensions, [this]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + callback(this.options.afterSetDimensions, [this]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + callback(this.options[name], [this]); + } + beforeDataLimits() { + this._callHooks('beforeDataLimits'); + } + determineDataLimits() {} + afterDataLimits() { + this._callHooks('afterDataLimits'); + } + beforeBuildTicks() { + this._callHooks('beforeBuildTicks'); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks('afterBuildTicks'); + } + beforeTickToLabelConversion() { + callback(this.options.beforeTickToLabelConversion, [this]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + tick = ticks[i]; + tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this); + } + } + afterTickToLabelConversion() { + callback(this.options.afterTickToLabelConversion, [this]); + } + beforeCalculateLabelRotation() { + callback(this.options.beforeCalculateLabelRotation, [this]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = this.ticks.length; + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) + - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = toDegrees(Math.min( + Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), + Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)) + )); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + callback(this.options.afterCalculateLabelRotation, [this]); + } + beforeFit() { + callback(this.options.beforeFit, [this]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const {first, last, widest, highest} = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const {ticks: {align, padding}, position} = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== 'top' && this.axis === 'x'; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === 'start') { + paddingRight = last.width; + } else if (align === 'end') { + paddingLeft = first.width; + } else { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === 'start') { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === 'end') { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + callback(this.options.afterFit, [this]); + } + isHorizontal() { + const {axis, position} = this.options; + return position === 'top' || position === 'bottom' || axis === 'x'; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length); + } + return labelSizes; + } + _computeLabelSizes(ticks, length) { + const {ctx, _longestTextCache: caches} = this; + const widths = []; + const heights = []; + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for (i = 0; i < length; ++i) { + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || {data: {}, gc: []}; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!isNullOrUndef(label) && !isArray(label)) { + width = _measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (isArray(label)) { + for (j = 0, jlen = label.length; j < jlen; ++j) { + nestedLabel = label[j]; + if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { + width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0}); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights, + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index) { + return NaN; + } + getValueForPixel(pixel) {} + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const {min, max} = this; + return min < 0 && max < 0 ? max : + min > 0 && max > 0 ? min : + 0; + } + getContext(index) { + const ticks = this.ticks || []; + if (index >= 0 && index < ticks.length) { + const tick = ticks[index]; + return tick.$context || + (tick.$context = createTickContext(this.getContext(), index, tick)); + } + return this.$context || + (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() + ? h * cos > w * sin ? w / cos : h / sin + : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== 'auto') { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const {grid, position} = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = grid.setContext(this.getContext()); + const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return _alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === 'top') { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === 'bottom') { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === 'left') { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === 'right') { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === 'x') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === 'y') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for (i = 0; i < ticksLength; i += step) { + const optsAtIndex = grid.setContext(this.getContext(i)); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = grid.borderDash || []; + const borderDashOffset = optsAtIndex.borderDashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === undefined) { + continue; + } + alignedLineValue = _alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset, + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const {position, ticks: optionTicks} = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const {align, crossAlign, padding, mirror} = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = 'middle'; + if (position === 'top') { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'bottom') { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'left') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === 'right') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === 'x') { + if (position === 'center') { + y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === 'y') { + if (position === 'center') { + x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === 'y') { + if (align === 'start') { + textBaseline = 'top'; + } else if (align === 'end') { + textBaseline = 'bottom'; + } + } + const labelSizes = this._getLabelSizes(); + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + if (isHorizontal) { + x = pixel; + if (position === 'top') { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = y + textOffset - labelPadding.top; + let left = x - labelPadding.left; + switch (textBaseline) { + case 'middle': + top -= height / 2; + break; + case 'bottom': + top -= height; + break; + } + switch (textAlign) { + case 'center': + left -= width / 2; + break; + case 'right': + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor, + }; + } + items.push({ + rotation, + label, + font, + color, + strokeColor, + strokeWidth, + textOffset, + textAlign, + textBaseline, + translation: [x, y], + backdrop, + }); + } + return items; + } + _getXAxisLabelAlignment() { + const {position, ticks} = this.options; + const rotation = -toRadians(this.labelRotation); + if (rotation) { + return position === 'top' ? 'left' : 'right'; + } + let align = 'center'; + if (ticks.align === 'start') { + align = 'left'; + } else if (ticks.align === 'end') { + align = 'right'; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const {position, ticks: {crossAlign, mirror, padding}} = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === 'left') { + if (mirror) { + x = this.right + padding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += (widest / 2); + } else { + textAlign = 'right'; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= (widest / 2); + } else { + textAlign = 'left'; + x = this.left; + } + } + } else if (position === 'right') { + if (mirror) { + x = this.left + padding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= (widest / 2); + } else { + textAlign = 'left'; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x = this.right; + } + } + } else { + textAlign = 'right'; + } + return {textAlign, x}; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === 'left' || position === 'right') { + return {top: 0, left: this.left, bottom: chart.height, right: this.right}; + } if (position === 'top' || position === 'bottom') { + return {top: this.top, left: 0, bottom: this.bottom, right: chart.width}; + } + } + drawBackground() { + const {ctx, options: {backgroundColor}, left, top, width, height} = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index = ticks.findIndex(t => t.value === value); + if (index >= 0) { + const opts = grid.setContext(this.getContext(index)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style) => { + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for (i = 0, ilen = items.length; i < ilen; ++i) { + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine( + {x: item.x1, y: item.y1}, + {x: item.x2, y: item.y2}, + item + ); + } + if (grid.drawTicks) { + drawLine( + {x: item.tx1, y: item.ty1}, + {x: item.tx2, y: item.ty2}, + { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + } + ); + } + } + } + } + drawBorder() { + const {chart, ctx, options: {grid}} = this; + const borderOpts = grid.setContext(this.getContext()); + const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.borderWidth; + ctx.strokeStyle = borderOpts.borderColor; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + clipArea(ctx, area); + } + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + let i, ilen; + for (i = 0, ilen = items.length; i < ilen; ++i) { + const item = items[i]; + const tickFont = item.font; + const label = item.label; + if (item.backdrop) { + ctx.fillStyle = item.backdrop.color; + ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height); + } + let y = item.textOffset; + renderText(ctx, label, 0, y, tickFont, item); + } + if (area) { + unclipArea(ctx); + } + } + drawTitle() { + const {ctx, options: {position, title, reverse}} = this; + if (!title.display) { + return; + } + const font = toFont(title.font); + const padding = toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === 'bottom' || position === 'center' || isObject(position)) { + offset += padding.bottom; + if (isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align); + renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: 'middle', + translation: [titleX, titleY], + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = valueOrDefault(opts.grid && opts.grid.z, -1); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [{ + z: tz, + draw: (chartArea) => { + this.draw(chartArea); + } + }]; + } + return [{ + z: gz, + draw: (chartArea) => { + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, { + z: gz + 1, + draw: () => { + this.drawBorder(); + } + }, { + z: tz, + draw: (chartArea) => { + this.drawLabels(chartArea); + } + }]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + 'AxisID'; + const result = []; + let i, ilen; + for (i = 0, ilen = metas.length; i < ilen; ++i) { + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index) { + const opts = this.options.ticks.setContext(this.getContext(index)); + return toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +} + +class TypedRegistry { + constructor(type, scope, override) { + this.type = type; + this.scope = scope; + this.override = override; + this.items = Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + '.' + id; + if (!id) { + throw new Error('class does not have id: ' + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in defaults[scope]) { + delete defaults[scope][id]; + if (this.override) { + delete overrides[id]; + } + } + } +} +function registerDefaults(item, scope, parentScope) { + const itemDefaults = merge(Object.create(null), [ + parentScope ? defaults.get(parentScope) : {}, + defaults.get(scope), + item.defaults + ]); + defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach(property => { + const propertyParts = property.split('.'); + const sourceName = propertyParts.pop(); + const sourceScope = [scope].concat(propertyParts).join('.'); + const parts = routes[property].split('.'); + const targetName = parts.pop(); + const targetScope = parts.join('.'); + defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return 'id' in proto && 'defaults' in proto; +} + +class Registry { + constructor() { + this.controllers = new TypedRegistry(DatasetController, 'datasets', true); + this.elements = new TypedRegistry(Element, 'elements'); + this.plugins = new TypedRegistry(Object, 'plugins'); + this.scales = new TypedRegistry(Scale, 'scales'); + this._typedRegistries = [this.controllers, this.scales, this.elements]; + } + add(...args) { + this._each('register', args); + } + remove(...args) { + this._each('unregister', args); + } + addControllers(...args) { + this._each('register', args, this.controllers); + } + addElements(...args) { + this._each('register', args, this.elements); + } + addPlugins(...args) { + this._each('register', args, this.plugins); + } + addScales(...args) { + this._each('register', args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, 'controller'); + } + getElement(id) { + return this._get(id, this.elements, 'element'); + } + getPlugin(id) { + return this._get(id, this.plugins, 'plugin'); + } + getScale(id) { + return this._get(id, this.scales, 'scale'); + } + removeControllers(...args) { + this._each('unregister', args, this.controllers); + } + removeElements(...args) { + this._each('unregister', args, this.elements); + } + removePlugins(...args) { + this._each('unregister', args, this.plugins); + } + removeScales(...args) { + this._each('unregister', args, this.scales); + } + _each(method, args, typedRegistry) { + [...args].forEach(arg => { + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) { + this._exec(method, reg, arg); + } else { + each(arg, item => { + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry, component) { + const camelMethod = _capitalize(method); + callback(component['before' + camelMethod], [], component); + registry[method](component); + callback(component['after' + camelMethod], [], component); + } + _getRegistryForType(type) { + for (let i = 0; i < this._typedRegistries.length; i++) { + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === undefined) { + throw new Error('"' + id + '" is not a registered ' + type + '.'); + } + return item; + } +} +var registry = new Registry(); + +class PluginService { + constructor() { + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === 'beforeInit') { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, 'install'); + } + const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors, chart, hook, args); + if (hook === 'afterDestroy') { + this._notify(descriptors, chart, 'stop'); + this._notify(this._init, chart, 'uninstall'); + } + return result; + } + _notify(descriptors, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors) { + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [chart, args, descriptor.options]; + if (callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = undefined; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = valueOrDefault(config.options && config.options.plugins, {}); + const plugins = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors = this._cache; + const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); + this._notify(diff(descriptors, previousDescriptors), chart, 'start'); + } +} +function allPlugins(config) { + const plugins = []; + const keys = Object.keys(registry.plugins.items); + for (let i = 0; i < keys.length; i++) { + plugins.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for (let i = 0; i < local.length; i++) { + const plugin = local[i]; + if (plugins.indexOf(plugin) === -1) { + plugins.push(plugin); + } + } + return plugins; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, plugins, options, all) { + const result = []; + const context = chart.getContext(); + for (let i = 0; i < plugins.length; i++) { + const plugin = plugins[i]; + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, plugin, opts, context) + }); + } + return result; +} +function pluginOpts(config, plugin, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + return config.createResolver(scopes, context, [''], {scriptable: false, indexable: false, allKeys: true}); +} + +function getIndexAxis(type, options) { + const datasetDefaults = defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === '_index_') { + axis = indexAxis; + } else if (id === '_value_') { + axis = indexAxis === 'x' ? 'y' : 'x'; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? '_index_' : '_value_'; +} +function axisFromPosition(position) { + if (position === 'top' || position === 'bottom') { + return 'x'; + } + if (position === 'left' || position === 'right') { + return 'y'; + } +} +function determineAxis(id, scaleOptions) { + if (id === 'x' || id === 'y') { + return id; + } + return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase(); +} +function mergeScaleConfig(config, options) { + const chartDefaults = overrides[config.type] || {scales: {}}; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const firstIDs = Object.create(null); + const scales = Object.create(null); + Object.keys(configScales).forEach(id => { + const scaleConf = configScales[id]; + if (!isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + firstIDs[axis] = firstIDs[axis] || id; + scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]); + }); + config.data.datasets.forEach(dataset => { + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach(defaultID => { + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis; + scales[id] = scales[id] || Object.create(null); + mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]); + }); + }); + Object.keys(scales).forEach(key => { + const scale = scales[key]; + mergeIf(scale, [defaults.scales[scale.type], defaults.scale]); + }); + return scales; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data) { + data = data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + return data; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +const keyCache = new Map(); +const keysCached = new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +const addIfFound = (set, obj, key) => { + const opts = resolveObjectKey(obj, key); + if (opts !== undefined) { + set.add(opts); + } +}; +class Config { + constructor(config) { + this._config = initConfig(config); + this._scopeCache = new Map(); + this._resolverCache = new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data) { + this._config.data = initData(data); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, + () => [[ + `datasets.${datasetType}`, + '' + ]]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, + () => [ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}`, + ], + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, + () => [[ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + '' + ]]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, + () => [[ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [], + ]]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const {options, type} = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = new Set(); + keyLists.forEach(keys => { + if (mainScope) { + scopes.add(mainScope); + keys.forEach(key => addIfFound(scopes, mainScope, key)); + } + keys.forEach(key => addIfFound(scopes, options, key)); + keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key)); + keys.forEach(key => addIfFound(scopes, defaults, key)); + keys.forEach(key => addIfFound(scopes, descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const {options, type} = this; + return [ + options, + overrides[type] || {}, + defaults.datasets[type] || {}, + {type}, + defaults, + descriptors + ]; + } + resolveNamedOptions(scopes, names, context, prefixes = ['']) { + const result = {$shared: true}; + const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names)) { + result.$shared = false; + context = isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = _attachContext(resolver, context, subResolver); + } + for (const prop of names) { + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [''], descriptorDefaults) { + const {resolver} = getResolver(this._resolverCache, scopes, prefixes); + return isObject(context) + ? _attachContext(resolver, context, undefined, descriptorDefaults) + : resolver; + } +} +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = _createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover')) + }; + cache.set(cacheKey, cached); + } + return cached; +} +const hasFunction = value => isObject(value) + && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false); +function needContext(proxy, names) { + const {isScriptable, isIndexable} = _descriptors(proxy); + for (const prop of names) { + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if ((scriptable && (isFunction(value) || hasFunction(value))) + || (indexable && isArray(value))) { + return true; + } + } + return false; +} + +var version = "3.7.1"; + +const KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea']; +function positionIsHorizontal(position, axis) { + return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'); +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] + ? a[l2] - b[l2] + : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins('afterRender'); + callback(animationOptions && animationOptions.onComplete, [context], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + callback(animationOptions && animationOptions.onProgress, [context], chart); +} +function getCanvas(item) { + if (_isDomSupported() && typeof item === 'string') { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +const instances = {}; +const getChart = (key) => { + const canvas = getCanvas(key); + return Object.values(instances).filter((c) => c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys) { + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} +function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === 'mouseout') { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +class Chart { + constructor(item, userConfig) { + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error( + 'Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + + ' must be destroyed before the canvas can be reused.' + ); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = undefined; + this.boxes = []; + this.currentDevicePixelRatio = undefined; + this.chartArea = undefined; + this._active = []; + this._lastEvent = undefined; + this._listeners = {}; + this._responsiveListeners = undefined; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = undefined; + this.$context = undefined; + this._doResize = debounce(mode => this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, 'complete', onAnimationsComplete); + animator.listen(this, 'progress', onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this; + if (!isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data) { + this.config.data = data; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + _initialize() { + this.notifyPlugins('beforeInit'); + if (this.options.responsive) { + this.resize(); + } else { + retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins('afterInit'); + return this; + } + clear() { + clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = {width, height}; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? 'resize' : 'attach'; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins('resize', {size: newSize}); + callback(options.onResize, [this, newSize], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + each(scalesOptions, (axisOptions, axisID) => { + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales = this.scales; + const updated = Object.keys(scales).reduce((obj, id) => { + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat( + Object.keys(scaleOpts).map((id) => { + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === 'r'; + const isHorizontal = axis === 'x'; + return { + options: scaleOptions, + dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', + dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' + }; + }) + ); + } + each(items, (item) => { + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + each(updated, (hasUpdated, id) => { + if (!hasUpdated) { + delete scales[id]; + } + }); + each(scales, (scale) => { + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b) => a.index - b.index); + if (numMeta > numData) { + for (let i = numData; i < numMeta; ++i) { + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); + } + _removeUnreferencedMetasets() { + const {_metasets: metasets, data: {datasets}} = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index) => { + if (datasets.filter(x => x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for (i = 0, ilen = datasets.length; i < ilen; i++) { + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = '' + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const {datasetElementType, dataElementType} = defaults.datasets[type]; + Object.assign(ControllerClass.prototype, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + each(this.data.datasets, (dataset, datasetIndex) => { + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins('reset'); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins('beforeElementsUpdate'); + let minPadding = 0; + for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) { + const {controller} = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + each(newControllers, (controller) => { + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins('afterUpdate', {mode}); + this._layers.sort(compare2Level('z', '_idx')); + const {_active, _lastEvent} = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + each(this.scales, (scale) => { + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const {_hiddenIndices} = this; + const changes = this._getUniformDataChanges() || []; + for (const {method, start, count} of changes) { + const move = method === '_removeElements' ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx) => new Set( + _dataChanges + .filter(c => c[0] === idx) + .map((c, i) => i + ',' + c.splice(1).join(',')) + ); + const changeSet = makeSet(0); + for (let i = 1; i < datasetCount; i++) { + if (!setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet) + .map(c => c.split(',')) + .map(a => ({method: a[1], start: +a[2], count: +a[3]})); + } + _updateLayout(minPadding) { + if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + each(this.boxes, (box) => { + if (noArea && box.position === 'chartArea') { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index) => { + item._idx = index; + }); + this.notifyPlugins('afterLayout'); + } + _updateDatasets(mode) { + if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) { + return; + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this.getDatasetMeta(i).controller.configure(); + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode); + } + this.notifyPlugins('afterDatasetsUpdate', {mode}); + } + _updateDataset(index, mode) { + const meta = this.getDatasetMeta(index); + const args = {meta, index, mode, cancelable: true}; + if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins('afterDatasetUpdate', args); + } + render() { + if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({chart: this}); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const {width, height} = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) { + return; + } + const layers = this._layers; + for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for (; i < layers.length; ++i) { + layers[i].draw(this.chartArea); + } + this.notifyPlugins('afterDraw'); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + this._drawDataset(metasets[i]); + } + this.notifyPlugins('afterDatasetsDraw'); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = this.chartArea; + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetDraw', args) === false) { + return; + } + if (useClip) { + clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins('afterDatasetDraw', args); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter(x => x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'})); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index) { + this._hiddenIndices[index] = !this._hiddenIndices[index]; + } + getDataVisibility(index) { + return !this._hiddenIndices[index]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? 'show' : 'hide'; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(undefined, mode); + if (defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, {visible}); + this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins('beforeDestroy'); + const {canvas, ctx} = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + this.notifyPlugins('destroy'); + delete instances[this.id]; + this.notifyPlugins('afterDestroy'); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener) => { + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const listener = (e, x, y) => { + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + each(this.options.events, (type) => _add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener) => { + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const _remove = (type, listener) => { + if (listeners[type]) { + platform.removeEventListener(this, type, listener); + delete listeners[type]; + } + }; + const listener = (width, height) => { + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = () => { + _remove('attach', attached); + this.attached = true; + this.resize(); + _add('resize', listener); + _add('detach', detached); + }; + detached = () => { + this.attached = false; + _remove('resize', listener); + this._stop(); + this._resize(0, 0); + _add('attach', attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + each(this._listeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + each(this._responsiveListeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = undefined; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? 'set' : 'remove'; + let meta, item, i, ilen; + if (mode === 'dataset') { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller['_' + prefix + 'DatasetHoverStyle'](); + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({datasetIndex, index}) => { + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('No dataset found at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index, + }; + }); + const changed = !_elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: _isPointInArea(e, this.chartArea, this._minPadding) + }; + const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins('afterEvent', args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const {_active: lastActive = [], options} = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = _isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + callback(options.onHover, [e, active, this], this); + if (isClick) { + callback(options.onClick, [e, active, this], this); + } + } + const changed = !_elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +} +const invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate()); +const enumerable = true; +Object.defineProperties(Chart, { + defaults: { + enumerable, + value: defaults + }, + instances: { + enumerable, + value: instances + }, + overrides: { + enumerable, + value: overrides + }, + registry: { + enumerable, + value: registry + }, + version: { + enumerable, + value: version + }, + getChart: { + enumerable, + value: getChart + }, + register: { + enumerable, + value: (...items) => { + registry.add(...items); + invalidatePlugins(); + } + }, + unregister: { + enumerable, + value: (...items) => { + registry.remove(...items); + invalidatePlugins(); + } + } +}); + +function clipArc(ctx, element, endAngle) { + const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element; + let angleMargin = pixelMargin / outerRadius; + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']); +} +function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + const computeOuterLimit = (val) => { + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: _limitValue(o.innerStart, 0, innerLimit), + innerEnd: _limitValue(o.innerEnd, 0, innerLimit), + }; +} +function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta), + }; +} +function pathArc(ctx, element, offset, spacing, end) { + const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha = end - start; + if (spacing) { + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha; + spacingOffset = (alpha - adjustedAngle) / 2; + } + const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius; + const angleOffset = (alpha - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle); + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); + } + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); + } + ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true); + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); + } + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing) { + const {fullCircles, startAngle, circumference} = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, startAngle + TAU); + for (let i = 0; i < fullCircles; ++i) { + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + circumference % TAU; + if (circumference % TAU === 0) { + endAngle += TAU; + } + } + } + pathArc(ctx, element, offset, spacing, endAngle); + ctx.fill(); + return endAngle; +} +function drawFullCircleBorders(ctx, element, inner) { + const {x, y, startAngle, pixelMargin, fullCircles} = element; + const outerRadius = Math.max(element.outerRadius - pixelMargin, 0); + const innerRadius = element.innerRadius + pixelMargin; + let i; + if (inner) { + clipArc(ctx, element, startAngle + TAU); + } + ctx.beginPath(); + ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true); + for (i = 0; i < fullCircles; ++i) { + ctx.stroke(); + } + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU); + for (i = 0; i < fullCircles; ++i) { + ctx.stroke(); + } +} +function drawBorder(ctx, element, offset, spacing, endAngle) { + const {options} = element; + const {borderWidth, borderJoinStyle} = options; + const inner = options.borderAlign === 'inner'; + if (!borderWidth) { + return; + } + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || 'round'; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || 'bevel'; + } + if (element.fullCircles) { + drawFullCircleBorders(ctx, element, inner); + } + if (inner) { + clipArc(ctx, element, endAngle); + } + pathArc(ctx, element, offset, spacing, endAngle); + ctx.stroke(); +} +class ArcElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.circumference = undefined; + this.startAngle = undefined; + this.endAngle = undefined; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps(['x', 'y'], useFinalPosition); + const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY}); + const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([ + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference' + ], useFinalPosition); + const rAdjust = this.options.spacing / 2; + const _circumference = valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle); + const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return (betweenAngles && withinRadius); + } + getCenterPoint(useFinalPosition) { + const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference', + ], useFinalPosition); + const {offset, spacing} = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const {options, circumference} = this; + const offset = (options.offset || 0) / 2; + const spacing = (options.spacing || 0) / 2; + this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0; + this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + let radiusOffset = 0; + if (offset) { + radiusOffset = offset / 2; + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset); + if (this.circumference >= PI) { + radiusOffset = offset; + } + } + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + const endAngle = drawArc(ctx, this, radiusOffset, spacing); + drawBorder(ctx, this, radiusOffset, spacing, endAngle); + ctx.restore(); + } +} +ArcElement.id = 'arc'; +ArcElement.defaults = { + borderAlign: 'center', + borderColor: '#fff', + borderJoinStyle: undefined, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: undefined, +}; +ArcElement.defaultRoutes = { + backgroundColor: 'backgroundColor' +}; + +function setStyle(ctx, options, style = options) { + ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); +} +function lineTo(ctx, previous, target) { + ctx.lineTo(target.x, target.y); +} +function getLineMethod(options) { + if (options.stepped) { + return _steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierCurveTo; + } + return lineTo; +} +function pathVars(points, segment, params = {}) { + const count = points.length; + const {start: paramsStart = 0, end: paramsEnd = count - 1} = params; + const {start: segmentStart, end: segmentEnd} = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; +} +function pathSegment(ctx, line, segment, params) { + const {points, options} = line; + const {count, start, loop, ilen} = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let {move = true, reverse} = params || {}; + let i, point, prev; + for (i = 0; i <= ilen; ++i) { + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; + } + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; +} +function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const {count, start, ilen} = pathVars(points, segment, params); + const {move = true, reverse} = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count; + const drawX = () => { + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); + } + for (i = 0; i <= ilen; ++i) { + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; + } + drawX(); +} +function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; +} +function _getInterpolationMethod(options) { + if (options.stepped) { + return _steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierInterpolation; + } + return _pointInLine; +} +function strokePathWithCache(ctx, line, start, count) { + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } + } + setStyle(ctx, line.options); + ctx.stroke(path); +} +function strokePathDirect(ctx, line, start, count) { + const {segments, options} = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments) { + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) { + ctx.closePath(); + } + ctx.stroke(); + } +} +const usePath2D = typeof Path2D === 'function'; +function draw(ctx, line, start, count) { + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } +} +class LineElement extends Element { + constructor(cfg) { + super(); + this.animated = true; + this.options = undefined; + this._chart = undefined; + this._loop = undefined; + this._fullLoop = undefined; + this._path = undefined; + this._points = undefined; + this._segments = undefined; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } + } + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; + } + get points() { + return this._points; + } + get segments() { + return this._segments || (this._segments = _computeSegments(this, this.options.segment)); + } + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; + } + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = _boundSegments(this, {property, start: value, end: value}); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for (i = 0, ilen = segments.length; i < ilen; ++i) { + const {start, end} = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || (this.points.length - start); + for (const segment of segments) { + loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1}); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = undefined; + } + } +} +LineElement.id = 'line'; +LineElement.defaults = { + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: 'miter', + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: 'default', + fill: false, + spanGaps: false, + stepped: false, + tension: 0, +}; +LineElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; +LineElement.descriptors = { + _scriptable: true, + _indexable: (name) => name !== 'borderDash' && name !== 'fill', +}; + +function inRange$1(el, pos, axis, useFinalPosition) { + const options = el.options; + const {[axis]: value} = el.getProps([axis], useFinalPosition); + return (Math.abs(pos - value) < options.radius + options.hitRadius); +} +class PointElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.parsed = undefined; + this.skip = undefined; + this.stop = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2)); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, 'x', useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, 'y', useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return {x, y}; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + return options.radius + options.hitRadius; + } +} +PointElement.id = 'point'; +PointElement.defaults = { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: 'circle', + radius: 3, + rotation: 0 +}; +PointElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; + +function getBarBounds(bar, useFinalPosition) { + const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return {left, top, right, bottom}; +} +function skipOrLimit(skip, value, min, max) { + return skip ? 0 : _limitValue(value, min, max); +} +function parseBorderWidth(bar, maxW, maxH) { + const value = bar.options.borderWidth; + const skip = bar.borderSkipped; + const o = toTRBL(value); + return { + t: skipOrLimit(skip.top, o.top, 0, maxH), + r: skipOrLimit(skip.right, o.right, 0, maxW), + b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip.left, o.left, 0, maxW) + }; +} +function parseBorderRadius(bar, maxW, maxH) { + const {enableBorderRadius} = bar.getProps(['enableBorderRadius']); + const value = bar.options.borderRadius; + const o = toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip = bar.borderSkipped; + const enableBorder = enableBorderRadius || isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) + }; +} +function boundingRects(bar) { + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)), + } + } + }; +} +function inRange(bar, x, y, useFinalPosition) { + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds + && (skipX || _isBetween(x, bounds.left, bounds.right)) + && (skipY || _isBetween(y, bounds.top, bounds.bottom)); +} +function hasRadius(radius) { + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; +} +function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); +} +function inflateRect(rect, amount, refRect = {}) { + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; +} +class BarElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.horizontal = undefined; + this.base = undefined; + this.width = undefined; + this.height = undefined; + this.inflateAmount = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const {inflateAmount, options: {borderColor, backgroundColor}} = this; + const {inner, outer} = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill('evenodd'); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === 'x' ? this.width / 2 : this.height / 2; + } +} +BarElement.id = 'bar'; +BarElement.defaults = { + borderSkipped: 'start', + borderWidth: 0, + borderRadius: 0, + inflateAmount: 'auto', + pointStyle: undefined +}; +BarElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; + +var elements = /*#__PURE__*/Object.freeze({ +__proto__: null, +ArcElement: ArcElement, +LineElement: LineElement, +PointElement: PointElement, +BarElement: BarElement +}); + +function lttbDecimation(data, start, count, availableWidth, options) { + const samples = options.samples || availableWidth; + if (samples >= count) { + return data.slice(start, start + count); + } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data[a]; + for (i = 0; i < samples - 2; i++) { + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for (j = avgRangeStart; j < avgRangeEnd; j++) { + avgX += data[j].x; + avgY += data[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const {x: pointAx, y: pointAy} = data[a]; + maxArea = area = -1; + for (j = rangeOffs; j < rangeTo; j++) { + area = 0.5 * Math.abs( + (pointAx - avgX) * (data[j].y - pointAy) - + (pointAx - data[j].x) * (avgY - pointAy) + ); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; + } + decimated[sampledIndex++] = data[endIndex]; + return decimated; +} +function minMaxDecimation(data, start, count, availableWidth) { + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data[start].x; + const xMax = data[endIndex].x; + const dx = xMax - xMin; + for (i = start; i < start + count; ++i) { + point = data[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex1], + x: avgX, + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; + } + } + return decimated; +} +function cleanDecimatedDataset(dataset) { + if (dataset._decimated) { + const data = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, 'data', {value: data}); + } +} +function cleanDecimatedData(chart) { + chart.data.datasets.forEach((dataset) => { + cleanDecimatedDataset(dataset); + }); +} +function getStartAndCountOfVisiblePointsSimplified(meta, points) { + const pointCount = points.length; + let start = 0; + let count; + const {iScale} = meta; + const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return {start, count}; +} +var plugin_decimation = { + id: 'decimation', + defaults: { + algorithm: 'min-max', + enabled: false, + }, + beforeElementsUpdate: (chart, args, options) => { + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex) => { + const {_data, indexAxis} = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data = _data || dataset.data; + if (resolve([indexAxis, chart.options.indexAxis]) === 'y') { + return; + } + if (meta.type !== 'line') { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== 'linear' && xAxis.type !== 'time') { + return; + } + if (chart.options.parsing) { + return; + } + let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (isNullOrUndef(_data)) { + dataset._data = data; + delete dataset.data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch (options.algorithm) { + case 'lttb': + decimated = lttbDecimation(data, start, count, availableWidth, options); + break; + case 'min-max': + decimated = minMaxDecimation(data, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; + }); + }, + destroy(chart) { + cleanDecimatedData(chart); + } +}; + +function getLineByIndex(chart, index) { + const meta = chart.getDatasetMeta(index); + const visible = meta && chart.isDatasetVisible(index); + return visible ? meta.dataset : null; +} +function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill = valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill === undefined) { + fill = !!options.backgroundColor; + } + if (fill === false || fill === null) { + return false; + } + if (fill === true) { + return 'origin'; + } + return fill; +} +function decodeFill(line, index, count) { + const fill = parseFillOption(line); + if (isObject(fill)) { + return isNaN(fill.value) ? false : fill; + } + let target = parseFloat(fill); + if (isNumberFinite(target) && Math.floor(target) === target) { + if (fill[0] === '-' || fill[0] === '+') { + target = index + target; + } + if (target === index || target < 0 || target >= count) { + return false; + } + return target; + } + return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill; +} +function computeLinearBoundary(source) { + const {scale = {}, fill} = source; + let target = null; + let horizontal; + if (fill === 'start') { + target = scale.bottom; + } else if (fill === 'end') { + target = scale.top; + } else if (isObject(fill)) { + target = scale.getPixelForValue(fill.value); + } else if (scale.getBasePixel) { + target = scale.getBasePixel(); + } + if (isNumberFinite(target)) { + horizontal = scale.isHorizontal(); + return { + x: horizontal ? target : null, + y: horizontal ? null : target + }; + } + return null; +} +class simpleArc { + constructor(opts) { + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; + } + pathSegment(ctx, bounds, opts) { + const {x, y, radius} = this; + bounds = bounds || {start: 0, end: TAU}; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; + } + interpolate(point) { + const {x, y, radius} = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; + } +} +function computeCircularBoundary(source) { + const {scale, fill} = source; + const options = scale.options; + const length = scale.getLabels().length; + const target = []; + const start = options.reverse ? scale.max : scale.min; + const end = options.reverse ? scale.min : scale.max; + let i, center, value; + if (fill === 'start') { + value = start; + } else if (fill === 'end') { + value = end; + } else if (isObject(fill)) { + value = fill.value; + } else { + value = scale.getBaseValue(); + } + if (options.grid.circular) { + center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); + } + for (i = 0; i < length; ++i) { + target.push(scale.getPointPositionForValue(i, value)); + } + return target; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function findSegmentEnd(start, end, points) { + for (;end > start; end--) { + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } + } + return end; +} +function pointsFromSegments(boundary, line) { + const {x = null, y = null} = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({start, end}) => { + end = findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({x: first.x, y}); + points.push({x: last.x, y}); + } else if (x !== null) { + points.push({x, y: first.y}); + points.push({x, y: last.y}); + } + }); + return points; +} +function buildStackLine(source) { + const {scale, index, line} = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index); + linesBelow.push(createBoundaryLine({x: null, y: scale.bottom}, line)); + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + for (let j = segment.start; j <= segment.end; j++) { + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({points, options: {}}); +} +function getLinesBelow(scale, index) { + const below = []; + const metas = scale.getMatchingVisibleMetas('line'); + for (let i = 0; i < metas.length; i++) { + const meta = metas[i]; + if (meta.index === index) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} +function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for (let j = 0; j < linesBelow.length; j++) { + const line = linesBelow[j]; + const {first, last, point} = findPoint(line, sourcePoint, 'x'); + if (!point || (first && last)) { + continue; + } + if (first) { + postponed.unshift(point); + } else { + points.push(point); + if (!last) { + break; + } + } + } + points.push(...postponed); +} +function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (_isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; + } + } + return {first, last, point}; +} +function getTarget(source) { + const {chart, fill, line} = source; + if (isNumberFinite(fill)) { + return getLineByIndex(chart, fill); + } + if (fill === 'stack') { + return buildStackLine(source); + } + if (fill === 'shape') { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return createBoundaryLine(boundary, line); +} +function createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (isArray(boundary)) { + _loop = true; + points = boundary; + } else { + points = pointsFromSegments(boundary, line); + } + return points.length ? new LineElement({ + points, + options: {tension: 0}, + _loop, + _fullLoop: _loop + }) : null; +} +function resolveTarget(sources, index, propagate) { + const source = sources[index]; + let fill = source.fill; + const visited = [index]; + let target; + if (!propagate) { + return fill; + } + while (fill !== false && visited.indexOf(fill) === -1) { + if (!isNumberFinite(fill)) { + return fill; + } + target = sources[fill]; + if (!target) { + return false; + } + if (target.visible) { + return fill; + } + visited.push(fill); + fill = target.fill; + } + return false; +} +function _clip(ctx, target, clipY) { + const {segments, points} = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments) { + const {start, end} = segment; + const firstPoint = points[start]; + const lastPoint = points[findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, {move: lineLoop}); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === 'angle') { + start = _normalizeAngle(start); + end = _normalizeAngle(end); + } + return {property, start, end}; +} +function _getEdge(a, b, prop, fn) { + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; +} +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments) { + let {start, end} = segment; + end = findSegmentEnd(start, end, points); + const bounds = getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = _boundSegments(target, bounds); + for (const tgt of targetSegments) { + const subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = _boundSegment(segment, points, subBounds); + for (const fillSource of fillSources) { + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, 'start', Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, 'end', Math.min) + } + }); + } + } + } + return parts; +} +function clipBounds(ctx, scale, bounds) { + const {top, bottom} = scale.chart.chartArea; + const {property, start, end} = bounds || {}; + if (property === 'x') { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} +function _fill(ctx, cfg) { + const {line, target, property, color, scale} = cfg; + const segments = _segments(line, target, property); + for (const {source: src, target: tgt, start, end} of segments) { + const {style: {backgroundColor = color} = {}} = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true}); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? 'evenodd' : 'nonzero'); + ctx.restore(); + } +} +function doFill(ctx, cfg) { + const {line, target, above, below, area, scale} = cfg; + const property = line._loop ? 'angle' : cfg.axis; + ctx.save(); + if (property === 'x' && below !== above) { + _clip(ctx, target, area.top); + _fill(ctx, {line, target, color: above, scale, property}); + ctx.restore(); + ctx.save(); + _clip(ctx, target, area.bottom); + } + _fill(ctx, {line, target, color: below, scale, property}); + ctx.restore(); +} +function drawfill(ctx, source, area) { + const target = getTarget(source); + const {line, scale, axis} = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color = lineOpts.backgroundColor; + const {above = color, below = color} = fillOption || {}; + if (target && line.points.length) { + clipArea(ctx, area); + doFill(ctx, {line, target, above, below, area, scale, axis}); + unclipArea(ctx); + } +} +var plugin_filler = { + id: 'filler', + afterDatasetsUpdate(chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for (i = 0; i < count; ++i) { + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line, + }; + } + meta.$filler = source; + sources.push(source); + } + for (i = 0; i < count; ++i) { + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw(chart, _args, options) { + const draw = options.drawTime === 'beforeDraw'; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw) { + drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw(chart, _args, options) { + if (options.drawTime !== 'beforeDatasetsDraw') { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (source) { + drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw(chart, args, options) { + const source = args.meta.$filler; + if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') { + return; + } + drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: 'beforeDatasetDraw' + } +}; + +const getBoxSize = (labelOpts, fontSize) => { + let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +const itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +class Legend extends Element { + constructor(config) { + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = undefined; + this.columnSizes = undefined; + this.lineWidths = undefined; + this.maxHeight = undefined; + this.maxWidth = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.height = undefined; + this.width = undefined; + this._margins = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = callback(labelOpts.generateLabels, [this.chart], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const {options, ctx} = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const {ctx, maxWidth, options: {labels: {padding}}} = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [0]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i) => { + const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight}; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, fontSize, boxWidth, itemHeight) { + const {ctx, maxHeight, options: {labels: {padding}}} = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i) => { + const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({width: currentColWidth, height: currentColHeight}); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight}; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({width: currentColWidth, height: currentColHeight}); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this; + const rtlHelper = getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes) { + if (row !== hitbox.row) { + row = hitbox.row; + left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes) { + if (hitbox.col !== col) { + col = hitbox.col; + top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === 'top' || this.options.position === 'bottom'; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + clipArea(ctx, this); + this._draw(); + unclipArea(ctx); + } + } + _draw() { + const {options: opts, columnSizes, lineWidths, ctx} = this; + const {align, labels: labelOpts} = opts; + const defaultColor = defaults.color; + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = toFont(labelOpts.font); + const {color: fontColor, padding} = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign('left'); + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt'); + ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter'); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxWidth * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some(v => v !== 0)) { + addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius, + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i) => { + ctx.strokeStyle = legendItem.fontColor || fontColor; + ctx.fillStyle = legendItem.fontColor || fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else { + cursor.y += lineHeight; + } + }); + restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = _alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = _alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); + ctx.textBaseline = 'middle'; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (_isBetween(x, this.left, this.right) + && _isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for (i = 0; i < lh.length; ++i) { + hitBox = lh[i]; + if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) + && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === 'mousemove') { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + callback(opts.onLeave, [e, previous, this], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + callback(opts.onHover, [e, hoveredItem, this], this); + } + } else if (hoveredItem) { + callback(opts.onClick, [e, hoveredItem, this], this); + } + } +} +function isListened(type, opts) { + if (type === 'mousemove' && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === 'click' || type === 'mouseup')) { + return true; + } + return false; +} +var plugin_legend = { + id: 'legend', + _element: Legend, + start(chart, _args, options) { + const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart}); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); + }, + stop(chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; + }, + beforeUpdate(chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate(chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent(chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: 'top', + align: 'center', + fullSize: true, + reverse: false, + weight: 1000, + onClick(e, legendItem, legend) { + const index = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index)) { + ci.hide(index); + legendItem.hidden = true; + } else { + ci.show(index); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx) => ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels(chart) { + const datasets = chart.data.datasets; + const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta) => { + const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); + const borderWidth = toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: 0, + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx) => ctx.chart.options.color, + display: false, + position: 'center', + text: '', + } + }, + descriptors: { + _scriptable: (name) => !name.startsWith('on'), + labels: { + _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name), + } + }, +}; + +class Title extends Element { + constructor(config) { + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = isArray(opts.text) ? opts.text.length : 1; + this._padding = toPadding(opts.padding); + const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } + } + isHorizontal() { + const pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + } + _drawArgs(offset) { + const {top, left, bottom, right, options} = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === 'left') { + titleX = left + offset; + titleY = _alignStartEnd(align, bottom, top); + rotation = PI * -0.5; + } else { + titleX = right - offset; + titleY = _alignStartEnd(align, top, bottom); + rotation = PI * 0.5; + } + maxWidth = bottom - top; + } + return {titleX, titleY, maxWidth, rotation}; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset); + renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: _toLeftRightCenter(opts.align), + textBaseline: 'middle', + translation: [titleX, titleY], + }); + } +} +function createTitle(chart, titleOpts) { + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} +var plugin_title = { + id: 'title', + _element: Title, + start(chart, _args, options) { + createTitle(chart, options); + }, + stop(chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate(chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'bold', + }, + fullSize: true, + padding: 10, + position: 'top', + text: '', + weight: 2000 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false, + }, +}; + +const map = new WeakMap(); +var plugin_subtitle = { + id: 'subtitle', + start(chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map.set(chart, title); + }, + stop(chart) { + layouts.removeBox(chart, map.get(chart)); + map.delete(chart); + }, + beforeUpdate(chart, _args, options) { + const title = map.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'normal', + }, + fullSize: true, + padding: 0, + position: 'top', + text: '', + weight: 1500 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false, + }, +}; + +const positioners = { + average(items) { + if (!items.length) { + return false; + } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest(items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; + } +}; +function pushOrConcat(base, toPush) { + if (toPush) { + if (isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + return base; +} +function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; +} +function createTooltipItem(chart, item) { + const {element, datasetIndex, index} = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const {label, value} = controller.getLabelAndValue(index); + return { + chart, + label, + parsed: controller.getParsed(index), + raw: chart.data.datasets[datasetIndex].data[index], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index, + datasetIndex, + element + }; +} +function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const {body, footer, title} = tooltip; + const {boxWidth, boxHeight} = options; + const bodyFont = toFont(options.bodyFont); + const titleFont = toFont(options.titleFont); + const footerFont = toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + + (titleLineCount - 1) * options.titleSpacing + + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + + footerLineCount * footerFont.lineHeight + + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0; + each(body, (bodyItem) => { + each(bodyItem.before, maxLineWidth); + each(bodyItem.lines, maxLineWidth); + each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return {width, height}; +} +function determineYAlign(chart, size) { + const {y, height} = size; + if (y < height / 2) { + return 'top'; + } else if (y > (chart.height - height / 2)) { + return 'bottom'; + } + return 'center'; +} +function doesNotFitWithAlign(xAlign, chart, options, size) { + const {x, width} = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === 'left' && x + width + caret > chart.width) { + return true; + } + if (xAlign === 'right' && x - width - caret < 0) { + return true; + } +} +function determineXAlign(chart, options, size, yAlign) { + const {x, width} = size; + const {width: chartWidth, chartArea: {left, right}} = chart; + let xAlign = 'center'; + if (yAlign === 'center') { + xAlign = x <= (left + right) / 2 ? 'left' : 'right'; + } else if (x <= width / 2) { + xAlign = 'left'; + } else if (x >= chartWidth - width / 2) { + xAlign = 'right'; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = 'center'; + } + return xAlign; +} +function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; +} +function alignX(size, xAlign) { + let {x, width} = size; + if (xAlign === 'right') { + x -= width; + } else if (xAlign === 'center') { + x -= (width / 2); + } + return x; +} +function alignY(size, yAlign, paddingAndSize) { + let {y, height} = size; + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= height + paddingAndSize; + } else { + y -= (height / 2); + } + return y; +} +function getBackgroundPoint(options, size, alignment, chart) { + const {caretSize, caretPadding, cornerRadius} = options; + const {xAlign, yAlign} = alignment; + const paddingAndSize = caretSize + caretPadding; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: _limitValue(x, 0, chart.width - size.width), + y: _limitValue(y, 0, chart.height - size.height) + }; +} +function getAlignedX(tooltip, align, options) { + const padding = toPadding(options.padding); + return align === 'center' + ? tooltip.x + tooltip.width / 2 + : align === 'right' + ? tooltip.x + tooltip.width - padding.right + : tooltip.x + padding.left; +} +function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); +} +function createTooltipContext(parent, tooltip, tooltipItems) { + return createContext(parent, { + tooltip, + tooltipItems, + type: 'tooltip' + }); +} +function overrideCallbacks(callbacks, context) { + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; +} +class Tooltip extends Element { + constructor(config) { + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = undefined; + this._size = undefined; + this._cachedAnimations = undefined; + this._tooltipItems = []; + this.$animations = undefined; + this.$context = undefined; + this.chart = config.chart || config._chart; + this._chart = this.chart; + this.options = config.options; + this.dataPoints = undefined; + this.title = undefined; + this.beforeBody = undefined; + this.body = undefined; + this.afterBody = undefined; + this.footer = undefined; + this.xAlign = undefined; + this.yAlign = undefined; + this.x = undefined; + this.y = undefined; + this.height = undefined; + this.width = undefined; + this.caretX = undefined; + this.caretY = undefined; + this.labelColors = undefined; + this.labelPointStyles = undefined; + this.labelTextColors = undefined; + } + initialize(options) { + this.options = options; + this._cachedAnimations = undefined; + this.$context = undefined; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || + (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const {callbacks} = options; + const beforeTitle = callbacks.beforeTitle.apply(this, [context]); + const title = callbacks.title.apply(this, [context]); + const afterTitle = callbacks.afterTitle.apply(this, [context]); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems])); + } + getBody(tooltipItems, options) { + const {callbacks} = options; + const bodyItems = []; + each(tooltipItems, (context) => { + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(this, context))); + pushOrConcat(bodyItem.lines, scoped.label.call(this, context)); + pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems])); + } + getFooter(tooltipItems, options) { + const {callbacks} = options; + const beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]); + const footer = callbacks.footer.apply(this, [tooltipItems]); + const afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for (i = 0, len = active.length; i < len; ++i) { + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data)); + } + each(tooltipItems, (context) => { + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(scoped.labelColor.call(this, context)); + labelPointStyles.push(scoped.labelPointStyle.call(this, context)); + labelTextColors.push(scoped.labelTextColor.call(this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = undefined; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, {chart: this.chart, tooltip: this, replay}); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const {xAlign, yAlign} = this; + const {caretSize, cornerRadius} = options; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); + const {x: ptX, y: ptY} = tooltipPoint; + const {width, height} = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === 'center') { + y2 = ptY + (height / 2); + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === 'left') { + x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize); + } else if (xAlign === 'right') { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return {x1, x2, x3, y1, y2, y3}; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = 'middle'; + titleFont = toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColors = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const {boxHeight, boxWidth, boxPadding} = options; + const bodyFont = toFont(options.bodyFont); + const colorX = getAlignedX(this, 'left', options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColors.borderColor; + ctx.fillStyle = labelColors.backgroundColor; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = labelColors.borderWidth || 1; + ctx.strokeStyle = labelColors.borderColor; + ctx.setLineDash(labelColors.borderDash || []); + ctx.lineDashOffset = labelColors.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2); + const borderRadius = toTRBLCorners(labelColors.borderRadius); + if (Object.values(borderRadius).some(v => v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius, + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColors.backgroundColor; + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius, + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColors.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const {body} = this; + const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options; + const bodyFont = toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = 'middle'; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== 'right' + ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding) + : 0; + for (i = 0, ilen = body.length; i < ilen; ++i) { + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for (j = 0, jlen = lines.length; j < jlen; ++j) { + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = 'middle'; + footerFont = toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const {xAlign, yAlign} = this; + const {x, y} = pt; + const {width, height} = tooltipSize; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === 'top') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({datasetIndex, index}) => { + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('Cannot find a dataset at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index, + }; + }); + const changed = !_elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !_elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const {caretX, caretY, options} = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +} +Tooltip.positioners = positioners; +var plugin_tooltip = { + id: 'tooltip', + _element: Tooltip, + positioners, + afterInit(chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({chart, options}); + } + }, + beforeUpdate(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw(chart) { + const tooltip = chart.tooltip; + const args = { + tooltip + }; + if (chart.notifyPlugins('beforeTooltipDraw', args) === false) { + return; + } + if (tooltip) { + tooltip.draw(chart.ctx); + } + chart.notifyPlugins('afterTooltipDraw', args); + }, + afterEvent(chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: 'average', + backgroundColor: 'rgba(0,0,0,0.8)', + titleColor: '#fff', + titleFont: { + weight: 'bold', + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: 'left', + bodyColor: '#fff', + bodySpacing: 2, + bodyFont: { + }, + bodyAlign: 'left', + footerColor: '#fff', + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: 'bold', + }, + footerAlign: 'left', + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts) => opts.bodyFont.size, + boxWidth: (ctx, opts) => opts.bodyFont.size, + multiKeyBackground: '#fff', + displayColors: true, + boxPadding: 0, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + animation: { + duration: 400, + easing: 'easeOutQuart', + }, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'], + }, + opacity: { + easing: 'linear', + duration: 200 + } + }, + callbacks: { + beforeTitle: noop, + title(tooltipItems) { + if (tooltipItems.length > 0) { + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === 'dataset') { + return item.dataset.label || ''; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } + } + return ''; + }, + afterTitle: noop, + beforeBody: noop, + beforeLabel: noop, + label(tooltipItem) { + if (this && this.options && this.options.mode === 'dataset') { + return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; + } + let label = tooltipItem.dataset.label || ''; + if (label) { + label += ': '; + } + const value = tooltipItem.formattedValue; + if (!isNullOrUndef(value)) { + label += value; + } + return label; + }, + labelColor(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0, + }; + }, + labelTextColor() { + return this.options.bodyColor; + }, + labelPointStyle(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + pointStyle: options.pointStyle, + rotation: options.rotation, + }; + }, + afterLabel: noop, + afterBody: noop, + beforeFooter: noop, + footer: noop, + afterFooter: noop + } + }, + defaultRoutes: { + bodyFont: 'font', + footerFont: 'font', + titleFont: 'font' + }, + descriptors: { + _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external', + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false, + }, + animation: { + _fallback: false + }, + animations: { + _fallback: 'animation' + } + }, + additionalOptionScopes: ['interaction'] +}; + +var plugins = /*#__PURE__*/Object.freeze({ +__proto__: null, +Decimation: plugin_decimation, +Filler: plugin_filler, +Legend: plugin_legend, +SubTitle: plugin_subtitle, +Title: plugin_title, +Tooltip: plugin_tooltip +}); + +const addIfString = (labels, raw, index, addedLabels) => { + if (typeof raw === 'string') { + index = labels.push(raw) - 1; + addedLabels.unshift({index, label: raw}); + } else if (isNaN(raw)) { + index = null; + } + return index; +}; +function findOrAddLabel(labels, raw, index, addedLabels) { + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index : first; +} +const validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max); +class CategoryScale extends Scale { + constructor(cfg) { + super(cfg); + this._startValue = undefined; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const {index, label} of added) { + if (labels[index] === label) { + labels.splice(index, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index = isFinite(index) && labels[index] === raw ? index + : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels); + return validIndex(index, labels.length - 1); + } + determineDataLimits() { + const {minDefined, maxDefined} = this.getUserBounds(); + let {min, max} = this.getMinMax(true); + if (this.options.bounds === 'ticks') { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for (let value = min; value <= max; value++) { + ticks.push({value}); + } + return ticks; + } + getLabelForValue(value) { + const labels = this.getLabels(); + if (value >= 0 && value < labels.length) { + return labels[value]; + } + return value; + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== 'number') { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +} +CategoryScale.id = 'category'; +CategoryScale.defaults = { + ticks: { + callback: CategoryScale.prototype.getLabelForValue + } +}; + +function generateTicks$1(generationOptions, dataRange) { + const ticks = []; + const MIN_SPACING = 1e-14; + const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const {min: rmin, max: rmax} = dataRange; + const minDefined = !isNullOrUndef(min); + const maxDefined = !isNullOrUndef(max); + const countDefined = !isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [{value: rmin}, {value: rmax}]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === 'ticks') { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; + } else { + niceMin = rmin; + niceMax = rmax; + } + if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; + } else { + numSpaces = (niceMax - niceMin) / spacing; + if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + } + const decimalPlaces = Math.max( + _decimalPlaces(spacing), + _decimalPlaces(niceMin) + ); + factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({value: min}); + if (niceMin < min) { + j++; + } + if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } + } + for (; j < numSpaces; ++j) { + ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor}); + } + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({value: max}); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({value: niceMax}); + } + return ticks; +} +function relativeLabelSize(value, minSpacing, {horizontal, minRotation}) { + const rad = toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; + const length = 0.75 * minSpacing * ('' + value).length; + return Math.min(minSpacing / ratio, length); +} +class LinearScaleBase extends Scale { + constructor(cfg) { + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._endValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const {beginAtZero} = this.options; + const {minDefined, maxDefined} = this.getUserBounds(); + let {min, max} = this; + const setMin = v => (min = minDefined ? min : v); + const setMax = v => (max = maxDefined ? max : v); + if (beginAtZero) { + const minSign = sign(min); + const maxSign = sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = 1; + if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) { + offset = Math.abs(max * 0.05); + } + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let {maxTicksLimit, stepSize} = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1000) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1000; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } +} + +class LinearScale extends LinearScaleBase { + determineDataLimits() { + const {min, max} = this.getMinMax(true); + this.min = isNumberFinite(min) ? min : 0; + this.max = isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); + } + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +} +LinearScale.id = 'linear'; +LinearScale.defaults = { + ticks: { + callback: Ticks.formatters.numeric + } +}; + +function isMajor(tickVal) { + const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal)))); + return remain === 1; +} +function generateTicks(generationOptions, dataRange) { + const endExp = Math.floor(log10(dataRange.max)); + const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); + const ticks = []; + let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min)))); + let exp = Math.floor(log10(tickVal)); + let significand = Math.floor(tickVal / Math.pow(10, exp)); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + do { + ticks.push({value: tickVal, major: isMajor(tickVal)}); + ++significand; + if (significand === 10) { + significand = 1; + ++exp; + precision = exp >= 0 ? 1 : precision; + } + tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; + } while (exp < endExp || (exp === endExp && significand < endSignificand)); + const lastTick = finiteOrDefault(generationOptions.max, tickVal); + ticks.push({value: lastTick, major: isMajor(tickVal)}); + return ticks; +} +class LogarithmicScale extends Scale { + constructor(cfg) { + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]); + if (value === 0) { + this._zero = true; + return undefined; + } + return isNumberFinite(value) && value > 0 ? value : null; + } + determineDataLimits() { + const {min, max} = this.getMinMax(true); + this.min = isNumberFinite(min) ? Math.max(0, min) : null; + this.max = isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + this.handleTickRangeOptions(); + } + handleTickRangeOptions() { + const {minDefined, maxDefined} = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = v => (min = minDefined ? min : v); + const setMax = v => (max = maxDefined ? max : v); + const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m); + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(exp(min, -1)); + setMax(exp(max, +1)); + } + } + if (min <= 0) { + setMin(exp(max, -1)); + } + if (max <= 0) { + setMax(exp(min, +1)); + } + if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) { + setMin(exp(min, -1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === undefined + ? '0' + : formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = log10(start); + this._valueRange = log10(this.max) - log10(start); + } + getPixelForValue(value) { + if (value === undefined || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min + ? 0 + : (log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); + } +} +LogarithmicScale.id = 'logarithmic'; +LogarithmicScale.defaults = { + ticks: { + callback: Ticks.formatters.logarithmic, + major: { + enabled: true + } + } +}; + +function getTickBackdropHeight(opts) { + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = toPadding(tickOpts.backdropPadding); + return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; + } + return 0; +} +function measureLabelSize(ctx, font, label) { + label = isArray(label) ? label : [label]; + return { + w: _longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; +} +function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - (size / 2), + end: pos + (size / 2) + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } + return { + start: pos, + end: pos + size + }; +} +function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0; + for (let i = 0; i < valueCount; i++) { + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint( + orig.l - limits.l, + limits.r - orig.r, + orig.t - limits.t, + limits.b - orig.b + ); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); +} +function updateLimits(limits, orig, angle, hLimits, vLimits) { + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const extra = getTickBackdropHeight(opts) / 2; + const outerDistance = scale.drawingArea; + const additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0; + for (let i = 0; i < valueCount; i++) { + const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle); + const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI))); + const size = labelSizes[i]; + const y = yForAngle(pointLabelPosition.y, size.h, angle); + const textAlign = getTextAlignForAngle(angle); + const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); + items.push({ + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }); + } + return items; +} +function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + return 'right'; +} +function leftForTextAlign(x, w, align) { + if (align === 'right') { + x -= w; + } else if (align === 'center') { + x -= (w / 2); + } + return x; +} +function yForAngle(y, h, angle) { + if (angle === 90 || angle === 270) { + y -= (h / 2); + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabels(scale, labelCount) { + const {ctx, options: {pointLabels}} = scale; + for (let i = labelCount - 1; i >= 0; i--) { + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + const plFont = toFont(optsAtIndex.font); + const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i]; + const {backdropColor} = optsAtIndex; + if (!isNullOrUndef(backdropColor)) { + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillStyle = backdropColor; + ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height); + } + renderText( + ctx, + scale._pointLabels[i], + x, + y + (plFont.lineHeight / 2), + plFont, + { + color: optsAtIndex.color, + textAlign: textAlign, + textBaseline: 'middle' + } + ); + } +} +function pathRadiusLine(scale, radius, circular, labelCount) { + const {ctx} = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for (let i = 1; i < labelCount; i++) { + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + } +} +function drawRadiusLine(scale, gridLineOpts, radius, labelCount) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const {color, lineWidth} = gridLineOpts; + if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.setLineDash(gridLineOpts.borderDash); + ctx.lineDashOffset = gridLineOpts.borderDashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); +} +function createPointLabelContext(parent, index, label) { + return createContext(parent, { + label, + index, + type: 'pointLabel' + }); +} +class RadialLinearScale extends LinearScaleBase { + constructor(cfg) { + super(cfg); + this.xCenter = undefined; + this.yCenter = undefined; + this.drawingArea = undefined; + this._pointLabels = []; + this._pointLabelItems = []; + } + setDimensions() { + const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); + } + determineDataLimits() { + const {min, max} = this.getMinMax(false); + this.min = isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels() + .map((value, index) => { + const label = callback(this.options.pointLabels.callback, [value, index], this); + return label || label === 0 ? label : ''; + }) + .filter((v, i) => this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index) { + const angleMultiplier = TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return _normalizeAngle(index * angleMultiplier + toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index) { + const pointLabels = this._pointLabels || []; + if (index >= 0 && index < pointLabels.length) { + const pointLabel = pointLabels[index]; + return createPointLabelContext(this.getContext(), index, pointLabel); + } + } + getPointPosition(index, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index) { + return this.getPointPositionForValue(index || 0, this.getBaseValue()); + } + getPointLabelPosition(index) { + const {left, top, right, bottom} = this._pointLabelItems[index]; + return { + left, + top, + right, + bottom, + }; + } + drawBackground() { + const {backgroundColor, grid: {circular}} = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const {angleLines, grid} = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index) => { + if (index !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const optsAtIndex = grid.setContext(this.getContext(index - 1)); + drawRadiusLine(this, optsAtIndex, offset, labelCount); + } + }); + } + if (angleLines.display) { + ctx.save(); + for (i = labelCount - 1; i >= 0; i--) { + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const {color, lineWidth} = optsAtIndex; + if (!lineWidth || !color) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() {} + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + this.ticks.forEach((tick, index) => { + if (index === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index)); + const tickFont = toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillRect( + -width / 2 - padding.left, + -offset - tickFont.size / 2 - padding.top, + width + padding.width, + tickFont.size + padding.height + ); + } + renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color, + }); + }); + ctx.restore(); + } + drawTitle() {} +} +RadialLinearScale.id = 'radialLinear'; +RadialLinearScale.defaults = { + display: true, + animate: true, + position: 'chartArea', + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0.0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: undefined, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback(label) { + return label; + }, + padding: 5, + centerPointLabels: false + } +}; +RadialLinearScale.defaultRoutes = { + 'angleLines.color': 'borderColor', + 'pointLabels.color': 'color', + 'ticks.color': 'color' +}; +RadialLinearScale.descriptors = { + angleLines: { + _fallback: 'grid' + } +}; + +const INTERVALS = { + millisecond: {common: true, size: 1, steps: 1000}, + second: {common: true, size: 1000, steps: 60}, + minute: {common: true, size: 60000, steps: 60}, + hour: {common: true, size: 3600000, steps: 24}, + day: {common: true, size: 86400000, steps: 30}, + week: {common: false, size: 604800000, steps: 4}, + month: {common: true, size: 2.628e9, steps: 12}, + quarter: {common: false, size: 7.884e9, steps: 4}, + year: {common: true, size: 3.154e10} +}; +const UNITS = (Object.keys(INTERVALS)); +function sorter(a, b) { + return a - b; +} +function parse(scale, input) { + if (isNullOrUndef(input)) { + return null; + } + const adapter = scale._adapter; + const {parser, round, isoWeekday} = scale._parseOpts; + let value = input; + if (typeof parser === 'function') { + value = parser(value); + } + if (!isNumberFinite(value)) { + value = typeof parser === 'string' + ? adapter.parse(value, parser) + : adapter.parse(value); + } + if (value === null) { + return null; + } + if (round) { + value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) + ? adapter.startOf(value, 'isoWeek', isoWeekday) + : adapter.startOf(value, round); + } + return +value; +} +function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} +function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} +function determineMajorUnit(unit) { + for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} +function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const {lo, hi} = _lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} +function setMajorTicks(scale, ticks, map, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index; + for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { + index = map[major]; + if (index >= 0) { + ticks[index].major = true; + } + } + return ticks; +} +function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map = {}; + const ilen = values.length; + let i, value; + for (i = 0; i < ilen; ++i) { + value = values[i]; + map[value] = i; + ticks.push({ + value, + major: false + }); + } + return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit); +} +class TimeScale extends Scale { + constructor(props) { + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = 'day'; + this._majorUnit = undefined; + this._offsets = {}; + this._normalized = false; + this._parseOpts = undefined; + } + init(scaleOpts, opts) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date); + mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; + } + parse(raw, index) { + if (raw === undefined) { + return null; + } + return parse(this, raw); + } + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; + } + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || 'day'; + let {min, max, minDefined, maxDefined} = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { + _applyBounds(this.getMinMax(false)); + } + } + min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); + } + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return {min, max}; + } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === 'ticks' && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = _filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip + ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) + : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined + : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); + } + initOffsets(timestamps) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = _limitValue(start, 0, limit); + end = _limitValue(end, 0, limit); + this._offsets = {start, end, factor: 1 / (start + 1 + end)}; + } + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = valueOrDefault(timeOpts.stepSize, 1); + const weekday = minor === 'week' ? timeOpts.isoWeekday : false; + const hasWeekday = isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, 'isoWeek', weekday); + } + first = +adapter.startOf(first, hasWeekday ? 'day' : minor); + if (adapter.diff(max, min, minor) > 100000 * stepSize) { + throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + } + const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); + for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) { + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === 'ticks' || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort((a, b) => a - b).map(x => +x); + } + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); + } + _tickFormatFunction(time, index, ticks, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index]; + const major = majorUnit && majorFormat && tick && tick.major; + const label = this._adapter.format(time, format || (major ? majorFormat : minorFormat)); + const formatter = options.ticks.callback; + return formatter ? callback(formatter, [label, index, ticks], this) : label; + } + generateTickLabels(ticks) { + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } + } + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); + } + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); + } + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation), + h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation) + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return (this._cache.data = metas[0].controller.getAllParsedValues(this)); + } + for (i = 0, ilen = metas.length; i < ilen; ++i) { + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return (this._cache.data = this.normalize(timestamps)); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for (i = 0, ilen = labels.length; i < ilen; ++i) { + timestamps.push(parse(this, labels[i])); + } + return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps)); + } + normalize(values) { + return _arrayUnique(values.sort(sorter)); + } +} +TimeScale.id = 'time'; +TimeScale.defaults = { + bounds: 'data', + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: 'millisecond', + displayFormats: {} + }, + ticks: { + source: 'auto', + major: { + enabled: false + } + } +}; + +function interpolate(table, val, reverse) { + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({lo, hi} = _lookupByKey(table, 'pos', val)); + } + ({pos: prevSource, time: prevTarget} = table[lo]); + ({pos: nextSource, time: nextTarget} = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({lo, hi} = _lookupByKey(table, 'time', val)); + } + ({time: prevSource, pos: prevTarget} = table[lo]); + ({time: nextSource, pos: nextTarget} = table[hi]); + } + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; +} +class TimeSeriesScale extends TimeScale { + constructor(props) { + super(props); + this._table = []; + this._minPos = undefined; + this._tableRange = undefined; + } + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate(table, this.min); + this._tableRange = interpolate(table, this.max) - this._minPos; + super.initOffsets(timestamps); + } + buildLookupTable(timestamps) { + const {min, max} = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for (i = 0, ilen = timestamps.length; i < ilen; ++i) { + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + {time: min, pos: 0}, + {time: max, pos: 1} + ]; + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({time: curr, pos: i / (ilen - 1)}); + } + } + return table; + } + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data.length && label.length) { + timestamps = this.normalize(data.concat(label)); + } else { + timestamps = data.length ? data : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; + } + getDecimalForValue(value) { + return (interpolate(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate(this._table, decimal * this._tableRange + this._minPos, true); + } +} +TimeSeriesScale.id = 'timeseries'; +TimeSeriesScale.defaults = TimeScale.defaults; + +var scales = /*#__PURE__*/Object.freeze({ +__proto__: null, +CategoryScale: CategoryScale, +LinearScale: LinearScale, +LogarithmicScale: LogarithmicScale, +RadialLinearScale: RadialLinearScale, +TimeScale: TimeScale, +TimeSeriesScale: TimeSeriesScale +}); + +const registerables = [ + controllers, + elements, + plugins, + scales, +]; + +export { Animation, Animations, ArcElement, BarController, BarElement, BasePlatform, BasicPlatform, BubbleController, CategoryScale, Chart, DatasetController, plugin_decimation as Decimation, DomPlatform, DoughnutController, Element, plugin_filler as Filler, Interaction, plugin_legend as Legend, LineController, LineElement, LinearScale, LogarithmicScale, PieController, PointElement, PolarAreaController, RadarController, RadialLinearScale, Scale, ScatterController, plugin_subtitle as SubTitle, Ticks, TimeScale, TimeSeriesScale, plugin_title as Title, plugin_tooltip as Tooltip, adapters as _adapters, _detectPlatform, animator, controllers, elements, layouts, plugins, registerables, registry, scales }; diff --git a/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.min.js b/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.min.js new file mode 100644 index 0000000..80632f5 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/Chart.js/chart.esm.min.js @@ -0,0 +1 @@ +import{r as requestAnimFrame,a as resolve,e as effects,c as color,d as defaults,i as isObject,b as isArray,v as valueOrDefault,u as unlistenArrayEvents,l as listenArrayEvents,f as resolveObjectKey,g as isNumberFinite,h as createContext,j as defined,s as sign,k as isNullOrUndef,_ as _arrayUnique,t as toRadians,m as toPercentage,n as toDimension,T as TAU,o as formatNumber,p as _angleBetween,H as HALF_PI,P as PI,q as isNumber,w as _limitValue,x as _lookupByKey,y as getRelativePosition$1,z as _isPointInArea,A as _rlookupByKey,B as getAngleFromPoint,C as toPadding,D as each,E as getMaximumSize,F as _getParentNode,G as readUsedSize,I as throttled,J as supportsEventListenerOptions,K as _isDomSupported,L as log10,M as _factorize,N as finiteOrDefault,O as callback,Q as _addGrace,R as toDegrees,S as _measureText,U as _int16Range,V as _alignPixel,W as clipArea,X as renderText,Y as unclipArea,Z as toFont,$ as _toLeftRightCenter,a0 as _alignStartEnd,a1 as overrides,a2 as merge,a3 as _capitalize,a4 as descriptors,a5 as isFunction,a6 as _attachContext,a7 as _createResolver,a8 as _descriptors,a9 as mergeIf,aa as uid,ab as debounce,ac as retinaScale,ad as clearCanvas,ae as setsEqual,af as _elementsEqual,ag as _isClickEvent,ah as _isBetween,ai as _readValueToProps,aj as _updateBezierControlPoints,ak as _computeSegments,al as _boundSegments,am as _steppedInterpolation,an as _bezierInterpolation,ao as _pointInLine,ap as _steppedLineTo,aq as _bezierCurveTo,ar as drawPoint,as as addRoundedRectPath,at as toTRBL,au as toTRBLCorners,av as _boundSegment,aw as _normalizeAngle,ax as getRtlAdapter,ay as overrideTextDirection,az as _textX,aA as restoreTextDirection,aB as noop,aC as distanceBetweenPoints,aD as _setMinAndMaxByKey,aE as niceNum,aF as almostWhole,aG as almostEquals,aH as _decimalPlaces,aI as _longestText,aJ as _filterBetween,aK as _lookup}from"./chunks/helpers.segment.js";export{d as defaults}from"./chunks/helpers.segment.js";class Animator{constructor(){this._request=null,this._charts=new Map,this._running=!1,this._lastDate=void 0}_notify(e,i,a,t){const s=i.listeners[t],r=i.duration;s.forEach(t=>t({chart:e,initial:i.initial,numSteps:r,currentStep:Math.min(a-i.start,r)}))}_refresh(){this._request||(this._running=!0,this._request=requestAnimFrame.call(window,()=>{this._update(),this._request=null,this._running&&this._refresh()}))}_update(n=Date.now()){let o=0;this._charts.forEach((a,s)=>{if(a.running&&a.items.length){const r=a.items;let t=r.length-1,e=!1,i;for(;0<=t;--t)i=r[t],i._active?(i._total>a.duration&&(a.duration=i._total),i.tick(n),e=!0):(r[t]=r[r.length-1],r.pop());e&&(s.draw(),this._notify(s,a,n,"progress")),r.length||(a.running=!1,this._notify(s,a,n,"complete"),a.initial=!1),o+=r.length}}),this._lastDate=n,0===o&&(this._running=!1)}_getAnims(t){const e=this._charts;let i=e.get(t);return i||(i={running:!1,initial:!0,items:[],listeners:{complete:[],progress:[]}},e.set(t,i)),i}listen(t,e,i){this._getAnims(t).listeners[e].push(i)}add(t,e){e&&e.length&&this._getAnims(t).items.push(...e)}has(t){return 0Math.max(t,e._duration),0),this._refresh())}running(t){if(!this._running)return!1;t=this._charts.get(t);return!!(t&&t.running&&t.items.length)}stop(e){const i=this._charts.get(e);if(i&&i.items.length){const a=i.items;let t=a.length-1;for(;0<=t;--t)a[t].cancel();i.items=[],this._notify(e,i,Date.now(),"complete")}}remove(t){return this._charts.delete(t)}}var animator=new Animator;const transparent="transparent",interpolators={boolean(t,e,i){return.5{i.push({res:t,rej:e})})}_notify(t){var e=t?"res":"rej";const i=this._promises||[];for(let t=0;t"onProgress"!==t&&"onComplete"!==t&&"fn"!==t}),defaults.set("animations",{colors:{type:"color",properties:colors},numbers:{type:"number",properties:numbers}}),defaults.describe("animations",{_fallback:"animation"}),defaults.set("transitions",{active:{animation:{duration:400}},resize:{animation:{duration:0}},show:{animations:{colors:{from:"transparent"},visible:{type:"boolean",duration:0}}},hide:{animations:{colors:{to:"transparent"},visible:{type:"boolean",easing:"linear",fn:t=>0|t}}}});class Animations{constructor(t,e){this._chart=t,this._properties=new Map,this.configure(e)}configure(s){if(isObject(s)){const r=this._properties;Object.getOwnPropertyNames(s).forEach(e=>{const t=s[e];if(isObject(t)){const i={};for(const a of animationOptions)i[a]=t[a];(isArray(t.properties)&&t.properties||[e]).forEach(t=>{t!==e&&r.has(t)||r.set(t,i)})}})}}_animateOptions(t,e){const i=e.options;e=resolveTargetOptions(t,i);if(!e)return[];e=this._createAnimations(e,i);return i.$shared&&awaitAll(t.options.$animations,i).then(()=>{t.options=i},()=>{}),e}_createAnimations(e,i){const a=this._properties,s=[],r=e.$animations||(e.$animations={});var t=Object.keys(i),n=Date.now();let o;for(o=t.length-1;0<=o;--o){const d=t[o];if("$"!==d.charAt(0))if("options"!==d){var l=i[d];let t=r[d];var h=a.get(d);if(t){if(h&&t.active()){t.update(h,l,n);continue}t.cancel()}h&&h.duration?(r[d]=t=new Animation(h,e,d,l),s.push(t)):e[d]=l}else s.push(...this._animateOptions(e,i))}return s}update(t,e){if(0!==this._properties.size){var i=this._createAnimations(t,e);return i.length?(animator.add(this._chart,i),!0):void 0}Object.assign(t,e)}}function awaitAll(e,t){const i=[];var a=Object.keys(t);for(let t=0;ti[t].axis===e).shift()}function createDatasetContext(t,e){return createContext(t,{active:!1,dataset:void 0,datasetIndex:e,index:e,mode:"default",type:"dataset"})}function createDataContext(t,e,i){return createContext(t,{active:!1,dataIndex:e,parsed:void 0,raw:void 0,element:i,index:e,mode:"default",type:"data"})}function clearStacks(t,e){var i=t.controller.index,a=t.vScale&&t.vScale.axis;if(a)for(const s of e=e||t._parsed){const r=s._stacks;if(!r||void 0===r[a]||void 0===r[a][i])return;delete r[a][i]}}const isDirectUpdateMode=t=>"reset"===t||"none"===t,cloneIfNotShared=(t,e)=>e?t:Object.assign({},t),createStack=(t,e,i)=>t&&!e.hidden&&e._stacked&&{keys:getSortedDatasetIndices(i,!0),values:null};class DatasetController{constructor(t,e){this.chart=t,this._ctx=t.ctx,this.index=e,this._cachedDataOpts={},this._cachedMeta=this.getMeta(),this._type=this._cachedMeta.type,this.options=void 0,this._parsing=!1,this._data=void 0,this._objectData=void 0,this._sharedOptions=void 0,this._drawStart=void 0,this._drawCount=void 0,this.enableOptionSharing=!1,this.$context=void 0,this._syncList=[],this.initialize()}initialize(){const t=this._cachedMeta;this.configure(),this.linkScales(),t._stacked=isStacked(t.vScale,t),this.addElements()}updateIndex(t){this.index!==t&&clearStacks(this._cachedMeta),this.index=t}linkScales(){var t=this.chart;const e=this._cachedMeta;var i=this.getDataset(),a=(t,e,i,a)=>"x"===t?e:"r"===t?a:i,s=e.xAxisID=valueOrDefault(i.xAxisID,getFirstScaleId(t,"x")),r=e.yAxisID=valueOrDefault(i.yAxisID,getFirstScaleId(t,"y")),n=e.rAxisID=valueOrDefault(i.rAxisID,getFirstScaleId(t,"r")),i=e.indexAxis,t=e.iAxisID=a(i,s,r,n),i=e.vAxisID=a(i,r,s,n);e.xScale=this.getScaleForId(s),e.yScale=this.getScaleForId(r),e.rScale=this.getScaleForId(n),e.iScale=this.getScaleForId(t),e.vScale=this.getScaleForId(i)}getDataset(){return this.chart.data.datasets[this.index]}getMeta(){return this.chart.getDatasetMeta(this.index)}getScaleForId(t){return this.chart.scales[t]}_getOtherScale(t){var e=this._cachedMeta;return t===e.iScale?e.vScale:e.iScale}reset(){this._update("reset")}_destroy(){var t=this._cachedMeta;this._data&&unlistenArrayEvents(this._data,this),t._stacked&&clearStacks(t)}_dataCheck(){const t=this.getDataset();var e=t.data||(t.data=[]),i=this._data;if(isObject(e))this._data=convertObjectDataToArray(e);else if(i!==e){if(i){unlistenArrayEvents(i,this);const a=this._cachedMeta;clearStacks(a),a._parsed=[]}e&&Object.isExtensible(e)&&listenArrayEvents(e,this),this._syncList=[],this._data=e}}addElements(){const t=this._cachedMeta;this._dataCheck(),this.datasetElementType&&(t.dataset=new this.datasetElementType)}buildOrUpdateElements(t){const e=this._cachedMeta;var i=this.getDataset();let a=!1;this._dataCheck();var s=e._stacked;e._stacked=isStacked(e.vScale,e),e.stack!==i.stack&&(a=!0,clearStacks(e),e.stack=i.stack),this._resyncElements(t),!a&&s===e._stacked||updateStacks(this,e._parsed)}configure(){const t=this.chart.config;var e=t.datasetScopeKeys(this._type),e=t.getOptionScopes(this.getDataset(),e,!0);this.options=t.createResolver(e,this.getContext()),this._parsing=this.options.parsing,this._cachedDataOpts={}}parse(t,e){const{_cachedMeta:i,_data:a}=this;var{iScale:s,_stacked:r}=i;const n=s.axis;let o=0===t&&e===a.length||i._sorted,l=0t||dthis.getContext(i,a),n);return h.$shared&&(h.$shared=o,s[r]=Object.freeze(cloneIfNotShared(h,o))),h}_resolveAnimations(t,e,i){var a=this.chart;const s=this._cachedDataOpts;var r=`animation-${e}`,n=s[r];if(n)return n;let o;if(!1!==a.options.animation){const l=this.chart.config;n=l.datasetAnimationScopeKeys(this._type,e),n=l.getOptionScopes(this.getDataset(),n);o=l.createResolver(n,this.getContext(t,i,e))}a=new Animations(a,o&&o.animations);return o&&o._cacheable&&(s[r]=Object.freeze(a)),a}getSharedOptions(t){if(t.$shared)return this._sharedOptions||(this._sharedOptions=Object.assign({},t))}includeOptions(t,e){return!e||isDirectUpdateMode(t)||this.chart._animationsDisabled}updateElement(t,e,i,a){isDirectUpdateMode(a)?Object.assign(t,i):this._resolveAnimations(e,a).update(t,i)}updateSharedOptions(t,e,i){t&&!isDirectUpdateMode(e)&&this._resolveAnimations(void 0,e).update(t,i)}_setStyle(t,e,i,a){t.active=a;var s=this.getStyle(e,a);this._resolveAnimations(e,i,a).update(t,{options:!a&&this.getSharedOptions(s)||s})}removeHoverStyle(t,e,i){this._setStyle(t,i,"active",!1)}setHoverStyle(t,e,i){this._setStyle(t,i,"active",!0)}_removeDatasetHoverStyle(){var t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!1)}_setDatasetHoverStyle(){var t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){var e,i,a,s=this._data,r=this._cachedMeta.data;for([e,i,a]of this._syncList)this[e](i,a);this._syncList=[];var n=r.length,r=s.length,s=Math.min(r,n);s&&this.parse(0,s),n{for(t.length+=e,n=t.length-1;n>=r;n--)t[n]=t[n-e]};for(o(s),n=t;nt-e))}return a._cache.$bar}function computeMinSampleSize(t){const e=t.iScale;var i=getAllScaleValues(e,t.type);let a=e._length,s,r,n,o;var l=()=>{32767!==n&&-32768!==n&&(defined(o)&&(a=Math.min(a,Math.abs(n-o)||a)),o=n)};for(s=0,r=i.length;sMath.abs(a)&&(n=a,o=t),e[i.axis]=o,e._custom={barStart:n,barEnd:o,start:s,end:r,min:t,max:a}}function parseValue(t,e,i,a){return isArray(t)?parseFloatBar(t,e,i,a):e[i.axis]=i.parse(t,a),e}function parseArrayOrPrimitive(t,e,i,a){const s=t.iScale;var r=t.vScale,n=s.getLabels(),o=s===r;const l=[];let h,d,c,u;for(d=(h=i)+a;h=i?1:-1)}function borderProps(t){let e,i,a,s,r;return a=t.horizontal?(e=t.base>t.x,i="left","right"):(e=t.base_angleBetween(t,u,g,!0)?1:Math.max(e,e*a,i,i*a),t=(t,e,i)=>_angleBetween(t,u,g,!0)?-1:Math.min(e,e*a,i,i*a),e=c(0,o,h),c=c(HALF_PI,l,d),h=t(PI,o,h),d=t(PI+HALF_PI,l,d);i=(e-h)/2,s=(c-d)/2,r=-(e+h)/2,n=-(c+d)/2}return{ratioX:i,ratioY:s,offsetX:r,offsetY:n}}BubbleController.id="bubble",BubbleController.defaults={datasetElementType:!1,dataElementType:"point",animations:{numbers:{type:"number",properties:["x","y","borderWidth","radius"]}}},BubbleController.overrides={scales:{x:{type:"linear"},y:{type:"linear"}},plugins:{tooltip:{callbacks:{title(){return""}}}}};class DoughnutController extends DatasetController{constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(a,s){const r=this.getDataset().data,n=this._cachedMeta;if(!1===this._parsing)n._parsed=r;else{let t=t=>+r[t];if(isObject(r[a])){const{key:o="value"}=this._parsing;t=t=>+resolveObjectKey(r[t],o)}let e,i;for(i=(e=a)+s;e"spacing"!==t,_indexable:t=>"spacing"!==t},DoughnutController.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(s){const t=s.data;if(t.labels.length&&t.datasets.length){const{labels:{pointStyle:r}}=s.legend.options;return t.labels.map((t,e)=>{const i=s.getDatasetMeta(0);var a=i.controller.getStyle(e);return{text:t,fillStyle:a.backgroundColor,strokeStyle:a.borderColor,lineWidth:a.borderWidth,pointStyle:r,hidden:!s.getDataVisibility(e),index:e}})}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title(){return""},label(t){let e=t.label;t=": "+t.formattedValue;return isArray(e)?(e=e.slice(),e[0]+=t):e+=t,e}}}}};class LineController extends DatasetController{initialize(){this.enableOptionSharing=!0,super.initialize()}update(t){var e=this._cachedMeta;const{dataset:i,data:a=[],_dataset:s}=e;var r=this.chart._animationsDisabled;let{start:n,count:o}=getStartAndCountOfVisiblePoints(e,a,r);this._drawStart=n,this._drawCount=o,scaleRangesChanged(e)&&(n=0,o=a.length),i._chart=this.chart,i._datasetIndex=this.index,i._decimated=!!s._decimated,i.points=a;const l=this.resolveDatasetElementOptions(t);this.options.showLine||(l.borderWidth=0),l.segment=this.options.segment,this.updateElement(i,void 0,{animated:!r,options:l},t),this.updateElements(a,n,o,t)}updateElements(e,i,a,s){var r="reset"===s;const{iScale:n,vScale:o,_stacked:l,_dataset:h}=this._cachedMeta;var t=this.resolveDataElementOptions(i,s),d=this.getSharedOptions(t),c=this.includeOptions(s,d),u=n.axis,g=o.axis,{spanGaps:p,segment:f}=this.options,m=isNumber(p)?p:Number.POSITIVE_INFINITY,v=this.chart._animationsDisabled||r||"none"===s;let x=0m,f&&(M.parsed=_,M.raw=h.data[t]),c&&(M.options=d||this.resolveDataElementOptions(t,b.active?"active":s)),v||this.updateElement(b,t,M,s),x=_}this.updateSharedOptions(d,s,t)}getMaxOverflow(){var t=this._cachedMeta,e=t.dataset,i=e.options&&e.options.borderWidth||0;const a=t.data||[];if(!a.length)return i;e=a[0].size(this.resolveDataElementOptions(0)),t=a[a.length-1].size(this.resolveDataElementOptions(a.length-1));return Math.max(i,e,t)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}}function getStartAndCountOfVisiblePoints(t,e,i){var a=e.length;let s=0,r=a;if(t._sorted){const{iScale:d,_parsed:c}=t;var n=d.axis,{min:o,max:l,minDefined:h,maxDefined:t}=d.getUserBounds();h&&(s=_limitValue(Math.min(_lookupByKey(c,d.axis,o).lo,i?a:_lookupByKey(e,n,d.getPixelForValue(o)).lo),0,a-1)),r=t?_limitValue(Math.max(_lookupByKey(c,d.axis,l).hi+1,i?0:_lookupByKey(e,n,d.getPixelForValue(l)).hi+1),s,a)-s:a-s}return{start:s,count:r}}function scaleRangesChanged(t){var{xScale:e,yScale:i,_scaleRanges:a}=t,s={xmin:e.min,xmax:e.max,ymin:i.min,ymax:i.max};if(!a)return t._scaleRanges=s,!0;i=a.xmin!==e.min||a.xmax!==e.max||a.ymin!==i.min||a.ymax!==i.max;return Object.assign(a,s),i}LineController.id="line",LineController.defaults={datasetElementType:"line",dataElementType:"point",showLine:!0,spanGaps:!1},LineController.overrides={scales:{_index_:{type:"category"},_value_:{type:"linear"}}};class PolarAreaController extends DatasetController{constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){var e=this._cachedMeta,i=this.chart,a=i.data.labels||[],i=formatNumber(e._parsed[t].r,i.options.locale);return{label:a[t]||"",value:i}}update(t){var e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}_updateRadius(){const t=this.chart;var e=t.chartArea,i=t.options,e=Math.min(e.right-e.left,e.bottom-e.top),e=Math.max(e/2,0),i=(e-Math.max(i.cutoutPercentage?e/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=e-i*this.index,this.innerRadius=this.outerRadius-i}updateElements(a,t,e,s){var r="reset"===s;const n=this.chart;var o=this.getDataset(),l=n.options.animation;const h=this._cachedMeta.rScale;var d=h.xCenter,c=h.yCenter,u=h.getIndexAngle(0)-.5*PI;let g=u,p;var f=360/this.countVisibleElements();for(p=0;p{!isNaN(i.data[e])&&this.chart.getDataVisibility(e)&&a++}),a}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?toRadians(this.resolveDataElementOptions(t,e).angle||i):0}}PolarAreaController.id="polarArea",PolarAreaController.defaults={dataElementType:"arc",animation:{animateRotate:!0,animateScale:!0},animations:{numbers:{type:"number",properties:["x","y","startAngle","endAngle","innerRadius","outerRadius"]}},indexAxis:"r",startAngle:0},PolarAreaController.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(s){const t=s.data;if(t.labels.length&&t.datasets.length){const{labels:{pointStyle:r}}=s.legend.options;return t.labels.map((t,e)=>{const i=s.getDatasetMeta(0);var a=i.controller.getStyle(e);return{text:t,fillStyle:a.backgroundColor,strokeStyle:a.borderColor,lineWidth:a.borderWidth,pointStyle:r,hidden:!s.getDataVisibility(e),index:e}})}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title(){return""},label(t){return t.chart.data.labels[t.dataIndex]+": "+t.formattedValue}}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};class PieController extends DoughnutController{}PieController.id="pie",PieController.defaults={cutout:0,rotation:0,circumference:360,radius:"100%"};class RadarController extends DatasetController{getLabelAndValue(t){const e=this._cachedMeta.vScale;var i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}update(t){const e=this._cachedMeta,i=e.dataset;var a=e.data||[],s=e.iScale.getLabels();if(i.points=a,"resize"!==t){const r=this.resolveDatasetElementOptions(t);this.options.showLine||(r.borderWidth=0);s={_loop:!0,_fullLoop:s.length===a.length,options:r};this.updateElement(i,void 0,s,t)}this.updateElements(a,0,a.length,t)}updateElements(e,i,a,s){var r=this.getDataset();const n=this._cachedMeta.rScale;var o="reset"===s;for(let t=i;t{t[o](s[n],a)&&r.push({element:t,datasetIndex:e,index:i}),t.inRange(s.x,s.y,a)&&(l=!0)}),i.intersect&&!l?[]:r}var Interaction={modes:{index(t,e,i,a){var s=getRelativePosition(e,t),e=i.axis||"x";const r=i.intersect?getIntersectItems(t,s,e,a):getNearestItems(t,s,e,!1,a),n=[];return r.length?(t.getSortedVisibleDatasetMetas().forEach(t=>{var e=r[0].index,i=t.data[e];i&&!i.skip&&n.push({element:i,datasetIndex:t.index,index:e})}),n):[]},dataset(t,e,i,a){var s=getRelativePosition(e,t),e=i.axis||"xy";let r=i.intersect?getIntersectItems(t,s,e,a):getNearestItems(t,s,e,!1,a);if(0t.pos===e)}function filterDynamicPositionByAxis(t,e){return t.filter(t=>-1===STATIC_POSITIONS.indexOf(t.pos)&&t.box.axis===e)}function sortByWeight(t,a){return t.sort((t,e)=>{var i=a?e:t,e=a?t:e;return i.weight===e.weight?i.index-e.index:i.weight-e.weight})}function wrapBoxes(t){const e=[];let i,a,s,r,n,o;for(i=0,a=(t||[]).length;it.box.fullSize),!0);const a=sortByWeight(filterByPosition(e,"left"),!0),s=sortByWeight(filterByPosition(e,"right")),r=sortByWeight(filterByPosition(e,"top"),!0);var n=sortByWeight(filterByPosition(e,"bottom")),o=filterDynamicPositionByAxis(e,"x"),t=filterDynamicPositionByAxis(e,"y");return{fullSize:i,leftAndTop:a.concat(r),rightAndBottom:s.concat(t).concat(n).concat(o),chartArea:filterByPosition(e,"chartArea"),vertical:a.concat(s).concat(t),horizontal:r.concat(n).concat(o)}}function getCombinedMax(t,e,i,a){return Math.max(t[i],e[i])+Math.max(t[a],e[a])}function updateMaxPadding(t,e){t.top=Math.max(t.top,e.top),t.left=Math.max(t.left,e.left),t.bottom=Math.max(t.bottom,e.bottom),t.right=Math.max(t.right,e.right)}function updateDims(t,e,i,a){const{pos:s,box:r}=i;var n=t.maxPadding;if(!isObject(s)){i.size&&(t[s]-=i.size);const l=a[i.stack]||{size:0,count:1};l.size=Math.max(l.size,i.horizontal?r.height:r.width),i.size=l.size/l.count,t[s]+=i.size}r.getPadding&&updateMaxPadding(n,r.getPadding());var o=Math.max(0,e.outerWidth-getCombinedMax(n,t,"left","right")),a=Math.max(0,e.outerHeight-getCombinedMax(n,t,"top","bottom")),e=o!==t.w,n=a!==t.h;return t.w=o,t.h=a,i.horizontal?{same:e,other:n}:{same:n,other:e}}function handleMaxPadding(i){const a=i.maxPadding;function t(t){var e=Math.max(a[t]-i[t],0);return i[t]+=e,e}i.y+=t("top"),i.x+=t("left"),t("right"),t("bottom")}function getMargins(t,i){const a=i.maxPadding;function e(t){const e={left:0,top:0,right:0,bottom:0};return t.forEach(t=>{e[t]=Math.max(i[t],a[t])}),e}return e(t?["left","right"]:["top","bottom"])}function fitBoxes(t,e,i,a){const s=[];let r,n,o,l,h,d;for(r=0,n=t.length,h=0;r{"function"==typeof t.beforeLayout&&t.beforeLayout()});var h=d.reduce((t,e)=>e.box.options&&!1===e.box.options.display?t:t+1,0)||1,e=Object.freeze({outerWidth:t,outerHeight:e,padding:s,availableWidth:r,availableHeight:n,vBoxMaxWidth:r/2/h,hBoxMaxHeight:n/2}),h=Object.assign({},s);updateMaxPadding(h,toPadding(a));const c=Object.assign({maxPadding:h,w:r,h:n,x:s.left,y:s.top},s);s=setLayoutDims(d.concat(l),e);fitBoxes(o.fullSize,c,e,s),fitBoxes(d,c,e,s),fitBoxes(l,c,e,s)&&fitBoxes(d,c,e,s),handleMaxPadding(c),placeBoxes(o.leftAndTop,c,e,s),c.x+=c.w,c.y+=c.h,placeBoxes(o.rightAndBottom,c,e,s),i.chartArea={left:c.left,top:c.top,right:c.left+c.w,bottom:c.top+c.h,height:c.h,width:c.w},each(o.chartArea,t=>{const e=t.box;Object.assign(e,i.chartArea),e.update(c.w,c.h,{left:0,top:0,right:0,bottom:0})})}}};class BasePlatform{acquireContext(t,e){}releaseContext(t){return!1}addEventListener(t,e,i){}removeEventListener(t,e,i){}getDevicePixelRatio(){return 1}getMaximumSize(t,e,i,a){return e=Math.max(0,e||t.width),i=i||t.height,{width:e,height:Math.max(0,a?Math.floor(e/a):i)}}isAttached(t){return!0}updateConfig(t){}}class BasicPlatform extends BasePlatform{acquireContext(t){return t&&t.getContext&&t.getContext("2d")||null}updateConfig(t){t.options.animation=!1}}const EXPANDO_KEY="$chartjs",EVENT_TYPES={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup",pointerenter:"mouseenter",pointerdown:"mousedown",pointermove:"mousemove",pointerup:"mouseup",pointerleave:"mouseout",pointerout:"mouseout"},isNullOrEmpty=t=>null===t||""===t;function initCanvas(t,e){const i=t.style;var a=t.getAttribute("height"),s=t.getAttribute("width");return t[EXPANDO_KEY]={initial:{height:a,width:s,style:{display:i.display,height:i.height,width:i.width}}},i.display=i.display||"block",i.boxSizing=i.boxSizing||"border-box",!isNullOrEmpty(s)||void 0!==(s=readUsedSize(t,"width"))&&(t.width=s),isNullOrEmpty(a)&&(""===t.style.height?t.height=t.width/(e||2):void 0!==(e=readUsedSize(t,"height"))&&(t.height=e)),t}const eventListenerOptions=!!supportsEventListenerOptions&&{passive:!0};function addListener(t,e,i){t.addEventListener(e,i,eventListenerOptions)}function removeListener(t,e,i){t.canvas.removeEventListener(e,i,eventListenerOptions)}function fromNativeEvent(t,e){var i=EVENT_TYPES[t.type]||t.type,{x:a,y:s}=getRelativePosition$1(t,e);return{type:i,chart:e,native:t,x:void 0!==a?a:null,y:void 0!==s?s:null}}function nodeListContains(t,e){for(const i of t)if(i===e||i.contains(e))return!0}function createAttachObserver(t,e,a){const s=t.canvas,i=new MutationObserver(t=>{let e=!1;for(const i of t)e=e||nodeListContains(i.addedNodes,s),e=e&&!nodeListContains(i.removedNodes,s);e&&a()});return i.observe(document,{childList:!0,subtree:!0}),i}function createDetachObserver(t,e,a){const s=t.canvas,i=new MutationObserver(t=>{let e=!1;for(const i of t)e=e||nodeListContains(i.removedNodes,s),e=e&&!nodeListContains(i.addedNodes,s);e&&a()});return i.observe(document,{childList:!0,subtree:!0}),i}const drpListeningCharts=new Map;let oldDevicePixelRatio=0;function onWindowResize(){const i=window.devicePixelRatio;i!==oldDevicePixelRatio&&(oldDevicePixelRatio=i,drpListeningCharts.forEach((t,e)=>{e.currentDevicePixelRatio!==i&&t()}))}function listenDevicePixelRatioChanges(t,e){drpListeningCharts.size||window.addEventListener("resize",onWindowResize),drpListeningCharts.set(t,e)}function unlistenDevicePixelRatioChanges(t){drpListeningCharts.delete(t),drpListeningCharts.size||window.removeEventListener("resize",onWindowResize)}function createResizeObserver(t,e,a){var i=t.canvas;const s=i&&_getParentNode(i);if(s){const r=throttled((t,e)=>{var i=s.clientWidth;a(t,e),i{var e=t[0],t=e.contentRect.width,e=e.contentRect.height;0===t&&0===e||r(t,e)});return n.observe(s),listenDevicePixelRatioChanges(t,r),n}}function releaseObserver(t,e,i){i&&i.disconnect(),"resize"===e&&unlistenDevicePixelRatioChanges(t)}function createProxyAndListen(e,t,i){var a=e.canvas,s=throttled(t=>{null!==e.ctx&&i(fromNativeEvent(t,e))},e,t=>{t=t[0];return[t,t.offsetX,t.offsetY]});return addListener(a,t,s),s}class DomPlatform extends BasePlatform{acquireContext(t,e){var i=t&&t.getContext&&t.getContext("2d");return i&&i.canvas===t?(initCanvas(t,e),i):null}releaseContext(t){const i=t.canvas;if(!i[EXPANDO_KEY])return!1;const a=i[EXPANDO_KEY].initial;["height","width"].forEach(t=>{var e=a[t];isNullOrUndef(e)?i.removeAttribute(t):i.setAttribute(t,e)});const e=a.style||{};return Object.keys(e).forEach(t=>{i.style[t]=e[t]}),i.width=i.width,delete i[EXPANDO_KEY],!0}addEventListener(t,e,i){this.removeEventListener(t,e);const a=t.$proxies||(t.$proxies={});const s={attach:createAttachObserver,detach:createDetachObserver,resize:createResizeObserver}[e]||createProxyAndListen;a[e]=s(t,e,i)}removeEventListener(t,e){const i=t.$proxies||(t.$proxies={});var a=i[e];if(a){const s={attach:releaseObserver,detach:releaseObserver,resize:releaseObserver}[e]||removeListener;s(t,e,a),i[e]=void 0}}getDevicePixelRatio(){return window.devicePixelRatio}getMaximumSize(t,e,i,a){return getMaximumSize(t,e,i,a)}isAttached(t){t=_getParentNode(t);return!(!t||!t.isConnected)}}function _detectPlatform(t){return!_isDomSupported()||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas?BasicPlatform:DomPlatform}class Element{constructor(){this.x=void 0,this.y=void 0,this.active=!1,this.options=void 0,this.$animations=void 0}tooltipPosition(t){var{x:e,y:t}=this.getProps(["x","y"],t);return{x:e,y:t}}hasValue(){return isNumber(this.x)&&isNumber(this.y)}getProps(t,e){const i=this.$animations;if(!e||!i)return this;const a={};return t.forEach(t=>{a[t]=i[t]&&i[t].active()?i[t]._to:this[t]}),a}}Element.defaults={},Element.defaultRoutes=void 0;const formatters={values(t){return isArray(t)?t:""+t},numeric(t,e,i){if(0===t)return"0";var a,s=this.chart.options.locale;let r,n=t;1e.lineWidth,tickColor:(t,e)=>e.color,offset:!1,borderDash:[],borderDashOffset:0,borderWidth:1},title:{display:!1,text:"",padding:{top:4,bottom:4}},ticks:{minRotation:0,maxRotation:50,mirror:!1,textStrokeWidth:0,textStrokeColor:"",padding:3,display:!0,autoSkip:!0,autoSkipPadding:3,labelOffset:0,callback:Ticks.formatters.values,minor:{},major:{},align:"center",crossAlign:"near",showLabelBackdrop:!1,backdropColor:"rgba(255, 255, 255, 0.75)",backdropPadding:2}}),defaults.route("scale.ticks","color","","color"),defaults.route("scale.grid","color","","borderColor"),defaults.route("scale.grid","borderColor","","borderColor"),defaults.route("scale.title","color","","color"),defaults.describe("scale",{_fallback:!1,_scriptable:t=>!t.startsWith("before")&&!t.startsWith("after")&&"callback"!==t&&"parser"!==t,_indexable:t=>"borderDash"!==t&&"tickBorderDash"!==t}),defaults.describe("scales",{_fallback:"scale"}),defaults.describe("scale.ticks",{_scriptable:t=>"backdropPadding"!==t&&"callback"!==t,_indexable:t=>"backdropPadding"!==t});const reverseAlign=t=>"left"===t?"right":"right"===t?"left":t,offsetFromEdge=(t,e,i)=>"top"===e||"left"===e?t[e]+i:t[e]-i;function sample(t,e){const i=[];var a=t.length/e,s=t.length;let r=0;for(;rn+1e-6)))return o}function garbageCollect(t,s){each(t,t=>{const e=t.gc;var i=e.length/2;let a;if(ss?s:a,s=r&&a>s?a:s,{min:finiteOrDefault(a,finiteOrDefault(s,a)),max:finiteOrDefault(s,finiteOrDefault(a,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){var t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){callback(this.options.beforeUpdate,[this])}update(t,e,i){var{beginAtZero:a,grace:s,ticks:r}=this.options,n=r.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=_addGrace(this,s,a),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();a=n({width:s[t]||0,height:r[t]||0});return{first:y(0),last:y(e-1),widest:y(b),highest:y(_),widths:s,heights:r}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){var e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);t=this._startPixel+t*this._length;return _int16Range(this._alignToPixels?_alignPixel(this.chart,t,0):t)}getDecimalForPixel(t){t=(t-this._startPixel)/this._length;return this._reversePixels?1-t:t}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){var{min:t,max:e}=this;return t<0&&e<0?e:0t.value===e);return 0<=a?t.setContext(this.getContext(a)).lineWidth:0}drawGrid(t){var e=this.options.grid;const a=this.ctx;var i=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let s,r;var n=(t,e,i)=>{i.width&&i.color&&(a.save(),a.lineWidth=i.width,a.strokeStyle=i.color,a.setLineDash(i.borderDash||[]),a.lineDashOffset=i.borderDashOffset,a.beginPath(),a.moveTo(t.x,t.y),a.lineTo(e.x,e.y),a.stroke(),a.restore())};if(e.display)for(s=0,r=i.length;s{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:t+1,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){var e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID";const a=[];let s,r;for(s=0,r=e.length;s{const e=t.split(".");var i=e.pop(),a=[n].concat(e).join(".");const s=o[t].split(".");var r=s.pop(),t=s.join(".");defaults.route(a,i,t,r)})}function isIChartComponent(t){return"id"in t&&"defaults"in t}class Registry{constructor(){this.controllers=new TypedRegistry(DatasetController,"datasets",!0),this.elements=new TypedRegistry(Element,"elements"),this.plugins=new TypedRegistry(Object,"plugins"),this.scales=new TypedRegistry(Scale,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(i,t,a){[...t].forEach(t=>{const e=a||this._getRegistryForType(t);a||e.isForType(t)||e===this.plugins&&t.id?this._exec(i,e,t):each(t,t=>{var e=a||this._getRegistryForType(t);this._exec(i,e,t)})})}_exec(t,e,i){var a=_capitalize(t);callback(i["before"+a],[],i),e[t](i),callback(i["after"+a],[],i)}_getRegistryForType(e){for(let t=0;tt.filter(e=>!i.some(t=>e.plugin.id===t.plugin.id));this._notify(a(e,i),t,"stop"),this._notify(a(i,e),t,"start")}}function allPlugins(t){const e=[];var i=Object.keys(registry.plugins.items);for(let t=0;t{var e=n[t];if(!isObject(e))return console.error(`Invalid scale configuration for scale: ${t}`);if(e._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${t}`);var i=determineAxis(t,e),a=getDefaultScaleIDFromAxis(i,o),s=r.scales||{};l[i]=l[i]||t,h[t]=mergeIf(Object.create(null),[{axis:i},e,s[i],s[a]])}),e.data.datasets.forEach(a=>{var t=a.type||e.type;const s=a.indexAxis||getIndexAxis(t,i),r=(overrides[t]||{}).scales||{};Object.keys(r).forEach(t=>{var e=getAxisFromDefaultScaleID(t,s),i=a[e+"AxisID"]||l[e]||e;h[i]=h[i]||Object.create(null),mergeIf(h[i],[{axis:e},n[i],r[t]])})}),Object.keys(h).forEach(t=>{t=h[t];mergeIf(t,[defaults.scales[t.type],defaults.scale])}),h}function initOptions(t){const e=t.options||(t.options={});e.plugins=valueOrDefault(e.plugins,{}),e.scales=mergeScaleConfig(t,e)}function initData(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}function initConfig(t){return(t=t||{}).data=initData(t.data),initOptions(t),t}const keyCache=new Map,keysCached=new Set;function cachedKeys(t,e){let i=keyCache.get(t);return i||(i=e(),keyCache.set(t,i),keysCached.add(i)),i}const addIfFound=(t,e,i)=>{i=resolveObjectKey(e,i);void 0!==i&&t.add(i)};class Config{constructor(t){this._config=initConfig(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=initData(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){var t=this._config;this.clearCache(),initOptions(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return cachedKeys(t,()=>[[`datasets.${t}`,""]])}datasetAnimationScopeKeys(t,e){return cachedKeys(`${t}.transition.${e}`,()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]])}datasetElementScopeKeys(t,e){return cachedKeys(`${t}-${e}`,()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]])}pluginScopeKeys(t){const e=t.id;return cachedKeys(`${this.type}-plugin-${e}`,()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]])}_cachedScopes(t,e){const i=this._scopeCache;let a=i.get(t);return a&&!e||(a=new Map,i.set(t,a)),a}getOptionScopes(e,t,i){const{options:a,type:s}=this,r=this._cachedScopes(e,i);i=r.get(t);if(i)return i;const n=new Set;t.forEach(t=>{e&&(n.add(e),t.forEach(t=>addIfFound(n,e,t))),t.forEach(t=>addIfFound(n,a,t)),t.forEach(t=>addIfFound(n,overrides[s]||{},t)),t.forEach(t=>addIfFound(n,defaults,t)),t.forEach(t=>addIfFound(n,descriptors,t))});const o=Array.from(n);return 0===o.length&&o.push(Object.create(null)),keysCached.has(t)&&r.set(t,o),o}chartOptionScopes(){var{options:t,type:e}=this;return[t,overrides[e]||{},defaults.datasets[e]||{},{type:e},defaults,descriptors]}resolveNamedOptions(t,e,i,a=[""]){const s={$shared:!0};var{resolver:r,subPrefixes:a}=getResolver(this._resolverCache,t,a);let n=r;needContext(r,e)&&(s.$shared=!1,i=isFunction(i)?i():i,a=this.createResolver(t,i,a),n=_attachContext(r,i,a));for(const o of e)s[o]=n[o];return s}createResolver(t,e,i=[""],a){var i=getResolver(this._resolverCache,t,i)["resolver"];return isObject(e)?_attachContext(i,e,void 0,a):i}}function getResolver(t,e,i){let a=t.get(e);a||(a=new Map,t.set(e,a));t=i.join();let s=a.get(t);return s||(e=_createResolver(e,i),s={resolver:e,subPrefixes:i.filter(t=>!t.toLowerCase().includes("hover"))},a.set(t,s)),s}const hasFunction=i=>isObject(i)&&Object.getOwnPropertyNames(i).reduce((t,e)=>t||isFunction(i[e]),!1);function needContext(t,e){const{isScriptable:i,isIndexable:a}=_descriptors(t);for(const o of e){var s=i(o),r=a(o),n=(r||s)&&t[o];if(s&&(isFunction(n)||hasFunction(n))||r&&isArray(n))return!0}return!1}var version="3.7.1";const KNOWN_POSITIONS=["top","bottom","left","right","chartArea"];function positionIsHorizontal(t,e){return"top"===t||"bottom"===t||-1===KNOWN_POSITIONS.indexOf(t)&&"x"===e}function compare2Level(i,a){return function(t,e){return t[i]===e[i]?t[a]-e[a]:t[i]-e[i]}}function onAnimationsComplete(t){const e=t.chart;var i=e.options.animation;e.notifyPlugins("afterRender"),callback(i&&i.onComplete,[t],e)}function onAnimationProgress(t){var e=t.chart,i=e.options.animation;callback(i&&i.onProgress,[t],e)}function getCanvas(t){return _isDomSupported()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t=t&&t.canvas?t.canvas:t}const instances={},getChart=t=>{const e=getCanvas(t);return Object.values(instances).filter(t=>t.canvas===e).pop()};function moveNumericKeys(t,e,i){for(const r of Object.keys(t)){var a,s=+r;e<=s&&(a=t[r],delete t[r],(0this.update(t),r.resizeDelay||0),this._dataChanges=[],instances[this.id]=this,e&&t?(animator.listen(this,"complete",onAnimationsComplete),animator.listen(this,"progress",onAnimationProgress),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){var{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:a,_aspectRatio:s}=this;return isNullOrUndef(t)?e&&s?s:a?i/a:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():retinaScale(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return clearCanvas(this.canvas,this.ctx),this}stop(){return animator.stop(this),this}resize(t,e){animator.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){var i=this.options,a=this.canvas,s=i.maintainAspectRatio&&this.aspectRatio,t=this.platform.getMaximumSize(a,t,e,s),e=i.devicePixelRatio||this.platform.getDevicePixelRatio(),s=this.width?"resize":"attach";this.width=t.width,this.height=t.height,this._aspectRatio=this.aspectRatio,retinaScale(this,e,!0)&&(this.notifyPlugins("resize",{size:t}),callback(i.onResize,[this,t],this),this.attached&&this._doResize(s)&&this.render())}ensureScalesHaveIDs(){var t=this.options.scales||{};each(t,(t,e)=>{t.id=e})}buildOrUpdateScales(){const o=this.options,a=o.scales,l=this.scales,h=Object.keys(l).reduce((t,e)=>(t[e]=!1,t),{});let t=[];a&&(t=t.concat(Object.keys(a).map(t=>{var e=a[t],i=determineAxis(t,e),t="r"===i,i="x"===i;return{options:e,dposition:t?"chartArea":i?"bottom":"left",dtype:t?"radialLinear":i?"category":"linear"}}))),each(t,t=>{const e=t.options;var i=e.id,a=determineAxis(i,e),s=valueOrDefault(e.type,t.dtype);void 0!==e.position&&positionIsHorizontal(e.position,a)===positionIsHorizontal(t.dposition)||(e.position=t.dposition),h[i]=!0;let r=null;if(i in l&&l[i].type===s)r=l[i];else{const n=registry.getScale(s);r=new n({id:i,type:s,ctx:this.ctx,chart:this}),l[r.id]=r}r.init(e,o)}),each(h,(t,e)=>{t||delete l[e]}),each(l,t=>{layouts.configure(this,t,t.options),layouts.addBox(this,t)})}_updateMetasets(){const t=this._metasets;var e=this.data.datasets.length,i=t.length;if(t.sort((t,e)=>t.index-e.index),ei.length&&delete this._stacks,t.forEach((e,t)=>{0===i.filter(t=>t===e._dataset).length&&this._destroyDatasetMeta(t)})}buildOrUpdateControllers(){const e=[];var i=this.data.datasets;let a,t;for(this._removeUnreferencedMetasets(),a=0,t=i.length;a{this.getDatasetMeta(e).controller.reset()},this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();var a=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!a.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1!==this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0})){const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let i=0;for(let t=0,e=this.data.datasets.length;t{t.reset()}),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(compare2Level("z","_idx"));var{_active:a,_lastEvent:t}=this;t?this._eventHandler(t,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}}_updateScales(){each(this.scales,t=>{layouts.removeBox(this,t)}),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){var t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);setsEqual(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){var t,e,i,a=this["_hiddenIndices"];for({method:t,start:e,count:i}of this._getUniformDataChanges()||[]){var s="_removeElements"===t?-i:i;moveNumericKeys(a,e,s)}}_getUniformDataChanges(){const t=this._dataChanges;if(t&&t.length){this._dataChanges=[];var e=this.data.datasets.length,i=e=>new Set(t.filter(t=>t[0]===e).map((t,e)=>e+","+t.splice(1).join(","))),a=i(0);for(let t=1;tt.split(",")).map(t=>({method:t[1],start:+t[2],count:+t[3]}))}}_updateLayout(t){if(!1!==this.notifyPlugins("beforeLayout",{cancelable:!0})){layouts.update(this,this.width,this.height,t);t=this.chartArea;const e=t.width<=0||t.height<=0;this._layers=[],each(this.boxes,t=>{e&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))},this),this._layers.forEach((t,e)=>{t._idx=e}),this.notifyPlugins("afterLayout")}}_updateDatasets(i){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:i,cancelable:!0})){for(let t=0,e=this.data.datasets.length;tt&&t._dataset===e).pop();return a||(a={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(a)),a}getContext(){return this.$context||(this.$context=createContext(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){var e=this.data.datasets[t];if(!e)return!1;t=this.getDatasetMeta(t);return"boolean"==typeof t.hidden?!t.hidden:!e.hidden}setDatasetVisibility(t,e){const i=this.getDatasetMeta(t);i.hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(e,t,i){const a=i?"show":"hide",s=this.getDatasetMeta(e),r=s.controller._resolveAnimations(void 0,a);defined(t)?(s.data[t].hidden=!i,this.update()):(this.setDatasetVisibility(e,i),r.update(s,{visible:i}),this.update(t=>t.datasetIndex===e?a:void 0))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),animator.remove(this),t=0,e=this.data.datasets.length;t{a.addEventListener(this,t,e),i[t]=e},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};each(this.options.events,t=>e(t,s))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const i=this._responsiveListeners,a=this.platform,t=(t,e)=>{a.addEventListener(this,t,e),i[t]=e},e=(t,e)=>{i[t]&&(a.removeEventListener(this,t,e),delete i[t])},s=(t,e)=>{this.canvas&&this.resize(t,e)};let r;const n=()=>{e("attach",n),this.attached=!0,this.resize(),t("resize",s),t("detach",r)};r=()=>{this.attached=!1,e("resize",s),this._stop(),this._resize(0,0),t("attach",n)},(a.isAttached(this.canvas)?n:r)()}unbindEvents(){each(this._listeners,(t,e)=>{this.platform.removeEventListener(this,e,t)}),this._listeners={},each(this._responsiveListeners,(t,e)=>{this.platform.removeEventListener(this,e,t)}),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){var a=i?"set":"remove";let s,r,n,o;for("dataset"===e&&(s=this.getDatasetMeta(t[0].datasetIndex),s.controller["_"+a+"DatasetHoverStyle"]()),n=0,o=t.length;n{var i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}});_elementsEqual(t,e)||(this._active=t,this._lastEvent=null,this._updateHoverStyles(t,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}_updateHoverStyles(t,e,i){var a=this.options.hover,s=(t,i)=>t.filter(e=>!i.some(t=>e.datasetIndex===t.datasetIndex&&e.index===t.index)),r=s(e,t),e=i?t:s(t,e);r.length&&this.updateHoverStyle(r,a.mode,!1),e.length&&a.mode&&this.updateHoverStyle(e,a.mode,!0)}_eventHandler(e,t){const i={event:e,replay:t,cancelable:!0,inChartArea:_isPointInArea(e,this.chartArea,this._minPadding)};var a=t=>(t.options.events||this.options.events).includes(e.native.type);if(!1!==this.notifyPlugins("beforeEvent",i,a)){t=this._handleEvent(e,t,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,a),(t||i.changed)&&this.render(),this}}_handleEvent(t,e,i){var{_active:a=[],options:s}=this,r=this._getActiveElements(t,a,i,e),n=_isClickEvent(t),o=determineLastEvent(t,this._lastEvent,i,n);i&&(this._lastEvent=null,callback(s.onHover,[t,r,this],this),n&&callback(s.onClick,[t,r,this],this));t=!_elementsEqual(r,a);return(t||e)&&(this._active=r,this._updateHoverStyles(r,a,e)),this._lastEvent=o,t}_getActiveElements(t,e,i,a){if("mouseout"===t.type)return[];if(!i)return e;e=this.options.hover;return this.getElementsAtEventForMode(t,e.mode,e,a)}}const invalidatePlugins=()=>each(Chart.instances,t=>t._plugins.invalidate()),enumerable=!0;function clipArc(t,e,i){var{startAngle:a,pixelMargin:s,x:r,y:n,outerRadius:o,innerRadius:l}=e,e=s/o;t.beginPath(),t.arc(r,n,o,a-e,i+e),s{var e=(i-Math.min(r,t))*a/2;return _limitValue(t,0,Math.min(r,e))};return{outerStart:e(s.outerStart),outerEnd:e(s.outerEnd),innerStart:_limitValue(s.innerStart,0,t),innerEnd:_limitValue(s.innerEnd,0,t)}}function rThetaToXY(t,e,i,a){return{x:i+t*Math.cos(e),y:a+t*Math.sin(e)}}function pathArc(t,e,i,a,s){var{x:r,y:n,startAngle:o,pixelMargin:l,innerRadius:h}=e,d=Math.max(e.outerRadius+a+i-l,0),c=0{registry.add(...t),invalidatePlugins()}},unregister:{enumerable:enumerable,value:(...t)=>{registry.remove(...t),invalidatePlugins()}}});class ArcElement extends Element{constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){var a=this.getProps(["x","y"],i),{angle:s,distance:r}=getAngleFromPoint(a,{x:t,y:e}),{startAngle:n,endAngle:o,innerRadius:a,outerRadius:t,circumference:e}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),i=this.options.spacing/2,o=valueOrDefault(e,o-n)>=TAU||_angleBetween(s,n,o),i=_isBetween(r,a+i,t+i);return o&&i}getCenterPoint(t){var{x:e,y:i,startAngle:a,endAngle:s,innerRadius:r,outerRadius:n}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius","circumference"],t),{offset:o,spacing:t}=this.options,s=(a+s)/2,o=(r+n+t+o)/2;return{x:e+Math.cos(s)*o,y:i+Math.sin(s)*o}}tooltipPosition(t){return this.getCenterPoint(t)}draw(e){var{options:i,circumference:a}=this,s=(i.offset||0)/2,r=(i.spacing||0)/2;if(this.pixelMargin="inner"===i.borderAlign?.33:0,this.fullCircles=a>TAU?Math.floor(a/TAU):0,!(0===a||this.innerRadius<0||this.outerRadius<0)){e.save();let t=0;s&&(t=s/2,a=(this.startAngle+this.endAngle)/2,e.translate(Math.cos(a)*t,Math.sin(a)*t),this.circumference>=PI&&(t=s)),e.fillStyle=i.backgroundColor,e.strokeStyle=i.borderColor;i=drawArc(e,this,t,r);drawBorder(e,this,t,r,i),e.restore()}}}function setStyle(t,e,i=e){t.lineCap=valueOrDefault(i.borderCapStyle,e.borderCapStyle),t.setLineDash(valueOrDefault(i.borderDash,e.borderDash)),t.lineDashOffset=valueOrDefault(i.borderDashOffset,e.borderDashOffset),t.lineJoin=valueOrDefault(i.borderJoinStyle,e.borderJoinStyle),t.lineWidth=valueOrDefault(i.borderWidth,e.borderWidth),t.strokeStyle=valueOrDefault(i.borderColor,e.borderColor)}function lineTo(t,e,i){t.lineTo(i.x,i.y)}function getLineMethod(t){return t.stepped?_steppedLineTo:t.tension||"monotone"===t.cubicInterpolationMode?_bezierCurveTo:lineTo}function pathVars(t,e,i={}){var a=t.length,{start:s=0,end:r=a-1}=i,{start:n,end:o}=e,t=Math.max(s,n),i=Math.min(r,o);return{count:a,start:t,loop:e.loop,ilen:i(n+(h?o-t:t))%r,S=()=>{f!==m&&(t.lineTo(d,m),t.lineTo(d,f),t.lineTo(d,v))};for(l&&(g=s[y(0)],t.moveTo(g.x,g.y)),u=0;u<=o;++u)g=s[y(u)],g.skip||(x=g.x,b=g.y,(_=0|x)===p?(bm&&(m=b),d=(c*d+x)/++c):(S(),t.lineTo(x,b),p=_,c=0,f=m=b),v=b);S()}function _getSegmentMethod(t){var e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?fastPathSegment:pathSegment}function _getInterpolationMethod(t){return t.stepped?_steppedInterpolation:t.tension||"monotone"===t.cubicInterpolationMode?_bezierInterpolation:_pointInLine}function strokePathWithCache(t,e,i,a){let s=e._path;s||(s=e._path=new Path2D,e.path(s,i,a)&&s.closePath()),setStyle(t,e.options),t.stroke(s)}function strokePathDirect(t,e,i,a){var{segments:s,options:r}=e;const n=_getSegmentMethod(e);for(const o of s)setStyle(t,r,o.style),t.beginPath(),n(t,e,o,{start:i,end:i+a-1})&&t.closePath(),t.stroke()}ArcElement.id="arc",ArcElement.defaults={borderAlign:"center",borderColor:"#fff",borderJoinStyle:void 0,borderRadius:0,borderWidth:2,offset:0,spacing:0,angle:void 0},ArcElement.defaultRoutes={backgroundColor:"backgroundColor"};const usePath2D="function"==typeof Path2D;function draw(t,e,i,a){(usePath2D&&!e.options.segment?strokePathWithCache:strokePathDirect)(t,e,i,a)}class LineElement extends Element{constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){var i,a=this.options;!a.tension&&"monotone"!==a.cubicInterpolationMode||a.stepped||this._pointsUpdated||(i=a.spanGaps?this._loop:this._fullLoop,_updateBezierControlPoints(this._points,a,t,i,e),this._pointsUpdated=!0)}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=_computeSegments(this,this.options.segment))}first(){var t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){var t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(i,a){var s=this.options,r=i[a],n=this.points,o=_boundSegments(this,{property:a,start:r,end:r});if(o.length){const c=[],u=_getInterpolationMethod(s);let t,e;for(t=0,e=o.length;t"borderDash"!==t&&"fill"!==t};class PointElement extends Element{constructor(t){super(),this.options=void 0,this.parsed=void 0,this.skip=void 0,this.stop=void 0,t&&Object.assign(this,t)}inRange(t,e,i){var a=this.options,{x:s,y:i}=this.getProps(["x","y"],i);return Math.pow(t-s,2)+Math.pow(e-i,2)u&&(u=g,c=a[i],p=i);n[l++]=c,h=p}return n[l++]=a[t],n}function minMaxDecimation(t,e,i,a){let s=0,r=0,n,o,l,h,d,c,u,g,p,f;const m=[];var v=t[e].x,x=t[e+i-1].x-v;for(n=e;nf&&(f=h,u=n),s=(r*s+o.x)/++r):(b=n-1,isNullOrUndef(c)||isNullOrUndef(u)||(_=Math.min(c,u),y=Math.max(c,u),_!==g&&_!==b&&m.push({...t[_],x:s}),y!==g&&y!==b&&m.push({...t[y],x:s})),0{cleanDecimatedDataset(t)})}function getStartAndCountOfVisiblePointsSimplified(t,e){var i=e.length;let a=0,s;const r=t["iScale"];var{min:n,max:o,minDefined:l,maxDefined:t}=r.getUserBounds();return l&&(a=_limitValue(_lookupByKey(e,r.axis,n).lo,0,i-1)),s=t?_limitValue(_lookupByKey(e,r.axis,o).hi+1,a,i)-a:i-a,{start:a,count:s}}var plugin_decimation={id:"decimation",defaults:{algorithm:"min-max",enabled:!1},beforeElementsUpdate:(o,t,l)=>{if(l.enabled){const h=o.width;o.data.datasets.forEach((e,t)=>{var{_data:i,indexAxis:a}=e,t=o.getDatasetMeta(t),s=i||e.data;if("y"!==resolve([a,o.options.indexAxis])&&"line"===t.type){a=o.scales[t.xAxisID];if(("linear"===a.type||"time"===a.type)&&!o.options.parsing){var{start:r,count:n}=getStartAndCountOfVisiblePointsSimplified(t,s);if(n<=(l.threshold||4*h))cleanDecimatedDataset(e);else{isNullOrUndef(i)&&(e._data=s,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}}));let t;switch(l.algorithm){case"lttb":t=lttbDecimation(s,r,n,h,l);break;case"min-max":t=minMaxDecimation(s,r,n,h);break;default:throw new Error(`Unsupported decimation algorithm '${l.algorithm}'`)}e._decimated=t}}}})}else cleanDecimatedData(o)},destroy(t){cleanDecimatedData(t)}};function getLineByIndex(t,e){var i=t.getDatasetMeta(e);return i&&t.isDatasetVisible(e)?i.dataset:null}function parseFillOption(t){var e=t.options,t=e.fill;let i=valueOrDefault(t&&t.target,t);return void 0===i&&(i=!!e.backgroundColor),!1!==i&&null!==i&&(!0===i?"origin":i)}function decodeFill(t,e,i){t=parseFillOption(t);if(isObject(t))return!isNaN(t.value)&&t;let a=parseFloat(t);return isNumberFinite(a)&&Math.floor(a)===a?("-"!==t[0]&&"+"!==t[0]||(a=e+a),!(a===e||a<0||a>=i)&&a):0<=["origin","start","end","stack","shape"].indexOf(t)&&t}function computeLinearBoundary(t){const{scale:e={},fill:i}=t;let a=null;return"start"===i?a=e.bottom:"end"===i?a=e.top:isObject(i)?a=e.getPixelForValue(i.value):e.getBasePixel&&(a=e.getBasePixel()),isNumberFinite(a)?{x:(t=e.isHorizontal())?a:null,y:t?null:a}:null}class simpleArc{constructor(t){this.x=t.x,this.y=t.y,this.radius=t.radius}pathSegment(t,e,i){var{x:a,y:s,radius:r}=this;return e=e||{start:0,end:TAU},t.arc(a,s,r,e.end,e.start,!0),!i.bounds}interpolate(t){var{x:e,y:i,radius:a}=this,t=t.angle;return{x:e+Math.cos(t)*a,y:i+Math.sin(t)*a,angle:t}}}function computeCircularBoundary(t){const{scale:e,fill:i}=t;var a=e.options,s=e.getLabels().length;const r=[];var n=a.reverse?e.max:e.min,t=a.reverse?e.min:e.max;let o,l,h;if(h="start"===i?n:"end"===i?t:isObject(i)?i.value:e.getBaseValue(),a.grid.circular)return l=e.getPointPositionForValue(0,n),new simpleArc({x:l.x,y:l.y,radius:e.getDistanceFromCenterForValue(h)});for(o=0;o{e=findSegmentEnd(t,e,s);t=s[t],e=s[e];null!==a?(r.push({x:t.x,y:a}),r.push({x:e.x,y:a})):null!==i&&(r.push({x:i,y:t.y}),r.push({x:i,y:e.y}))}),r}function buildStackLine(t){var{scale:e,index:i,line:t}=t,a=[],s=t.segments,r=t.points;const n=getLinesBelow(e,i);n.push(createBoundaryLine({x:null,y:e.bottom},t));for(let t=0;t{let{boxHeight:i=e,boxWidth:a=e}=t;return t.usePointStyle&&(i=Math.min(i,e),a=Math.min(a,e)),{boxWidth:a,boxHeight:i,itemHeight:Math.max(e,i)}},itemsEqual=(t,e)=>null!==t&&null!==e&&t.datasetIndex===e.datasetIndex&&t.index===e.index;class Legend extends Element{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const i=this.options.labels||{};let t=callback(i.generateLabels,[this.chart],this)||[];i.filter&&(t=t.filter(t=>i.filter(t,this.chart.data))),i.sort&&(t=t.sort((t,e)=>i.sort(t,e,this.chart.data))),this.options.reverse&&t.reverse(),this.legendItems=t}fit(){const{options:i,ctx:a}=this;if(i.display){var s=i.labels,r=toFont(s.font),n=r.size,o=this._computeTitleHeight(),{boxWidth:l,itemHeight:s}=getBoxSize(s,n);let t,e;a.font=r.string,this.isHorizontal()?(t=this.maxWidth,e=this._fitRows(o,n,l,s)+10):(e=this.maxHeight,t=this._fitCols(o,n,l,s)+10),this.width=Math.min(t,i.maxWidth||this.maxWidth),this.height=Math.min(e,i.maxHeight||this.maxHeight)}else this.width=this.height=0}_fitRows(t,i,a,s){const{ctx:r,maxWidth:n,options:{labels:{padding:o}}}=this,l=this.legendHitBoxes=[],h=this.lineWidths=[0],d=s+o;let c=t;r.textAlign="left",r.textBaseline="middle";let u=-1,g=-d;return this.legendItems.forEach((t,e)=>{t=a+i/2+r.measureText(t.text).width;(0===e||h[h.length-1]+t+2*o>n)&&(c+=d,h[h.length-(0{t=a+i/2+r.measureText(t.text).width;0h&&(d+=c+n,l.push({width:c,height:u}),g+=c+n,p++,c=u=0),o[e]={left:g,top:u,col:p,width:t,height:s},c=Math.max(c,t),u+=s+n}),d+=c,l.push({width:c,height:u}),d}adjustHitBoxes(){if(this.options.display){var i=this._computeTitleHeight(),{legendHitBoxes:a,options:{align:s,labels:{padding:r},rtl:t}}=this;const n=getRtlAdapter(t,this.left,this.width);if(this.isHorizontal()){let t=0,e=_alignStartEnd(s,this.left+r,this.right-this.lineWidths[t]);for(const o of a)t!==o.row&&(t=o.row,e=_alignStartEnd(s,this.left+r,this.right-this.lineWidths[t])),o.top+=this.top+i+r,o.left=n.leftForLtr(n.x(e),o.width),e+=o.width+r}else{let t=0,e=_alignStartEnd(s,this.top+i+r,this.bottom-this.columnSizes[t].height);for(const l of a)l.col!==t&&(t=l.col,e=_alignStartEnd(s,this.top+i+r,this.bottom-this.columnSizes[t].height)),l.top=e,l.left+=this.left+r,l.left=n.leftForLtr(n.x(l.left),l.width),e+=l.height+r}}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){var t;this.options.display&&(t=this.ctx,clipArea(t,this),this._draw(),unclipArea(t))}_draw(){const{options:u,columnSizes:g,lineWidths:p,ctx:f}=this,{align:m,labels:v}=u,x=defaults.color,b=getRtlAdapter(u.rtl,this.left,this.width),_=toFont(v.font),{color:y,padding:S}=v,k=_.size,M=k/2;let P;this.drawTitle(),f.textAlign=b.textAlign("left"),f.textBaseline="middle",f.lineWidth=.5,f.font=_.string;const{boxWidth:D,boxHeight:w,itemHeight:C}=getBoxSize(v,k),A=this.isHorizontal(),L=this._computeTitleHeight();P=A?{x:_alignStartEnd(m,this.left+S,this.right-p[0]),y:this.top+S+L,line:0}:{x:this.left+S,y:_alignStartEnd(m,this.top+L+S,this.bottom-g[0].height),line:0},overrideTextDirection(this.ctx,u.textDirection);const O=C+S;this.legendItems.forEach((t,e)=>{f.strokeStyle=t.fontColor||y,f.fillStyle=t.fontColor||y;var i=f.measureText(t.text).width,a=b.textAlign(t.textAlign||(t.textAlign=v.textAlign)),s=D+M+i;let r=P.x,n=P.y;b.setWidth(this.width),A?0this.right&&(n=P.y+=O,P.line++,r=P.x=_alignStartEnd(m,this.left+S,this.right-p[P.line])):0this.bottom&&(r=P.x=r+g[P.line].width+S,P.line++,n=P.y=_alignStartEnd(m,this.top+L+S,this.bottom-g[P.line].height));var o,l,h,d,c=b.x(r);o=c,l=n,h=t,isNaN(D)||D<=0||isNaN(w)||w<0||(f.save(),d=valueOrDefault(h.lineWidth,1),f.fillStyle=valueOrDefault(h.fillStyle,x),f.lineCap=valueOrDefault(h.lineCap,"butt"),f.lineDashOffset=valueOrDefault(h.lineDashOffset,0),f.lineJoin=valueOrDefault(h.lineJoin,"miter"),f.lineWidth=d,f.strokeStyle=valueOrDefault(h.strokeStyle,x),f.setLineDash(valueOrDefault(h.lineDash,[])),v.usePointStyle?(i={radius:D*Math.SQRT2/2,pointStyle:h.pointStyle,rotation:h.rotation,borderWidth:d},e=b.xPlus(o,D/2),c=l+M,drawPoint(f,i,e,c)):(l=l+Math.max((k-w)/2,0),o=b.leftForLtr(o,D),h=toTRBLCorners(h.borderRadius),f.beginPath(),Object.values(h).some(t=>0!==t)?addRoundedRectPath(f,{x:o,y:l,w:D,h:w,radius:h}):f.rect(o,l,D,w),f.fill(),0!==d&&f.stroke()),f.restore()),r=_textX(a,r+D+M,A?r+s:this.right,u.rtl),d=b.x(r),a=n,t=t,renderText(f,t.text,d,a+C/2,_,{strikethrough:t.hidden,textAlign:b.textAlign(t.textAlign)}),A?P.x+=s+S:P.y+=O}),restoreTextDirection(this.ctx,u.textDirection)}drawTitle(){var a=this.options,s=a.title,r=toFont(s.font),n=toPadding(s.padding);if(s.display){const h=getRtlAdapter(a.rtl,this.left,this.width),d=this.ctx;var o=s.position,l=r.size/2,n=n.top+l;let t,e=this.left,i=this.width;this.isHorizontal()?(i=Math.max(...this.lineWidths),t=this.top+n,e=_alignStartEnd(a.align,e,this.right-i)):(l=this.columnSizes.reduce((t,e)=>Math.max(t,e.height),0),t=n+_alignStartEnd(a.align,this.top,this.bottom-l-a.labels.padding-this._computeTitleHeight()));a=_alignStartEnd(o,e,e+i);d.textAlign=h.textAlign(_toLeftRightCenter(o)),d.textBaseline="middle",d.strokeStyle=s.color,d.fillStyle=s.color,d.font=r.string,renderText(d,s.text,a,t,r)}}_computeTitleHeight(){var t=this.options.title,e=toFont(t.font),i=toPadding(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,a,s;if(_isBetween(t,this.left,this.right)&&_isBetween(e,this.top,this.bottom))for(s=this.legendHitBoxes,i=0;it.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const a=t.data.datasets,{labels:{usePointStyle:s,pointStyle:r,textAlign:n,color:o}}=t.legend.options;return t._getSortedDatasetMetas().map(t=>{var e=t.controller.getStyle(s?0:void 0),i=toPadding(e.borderWidth);return{text:a[t.index].label,fillStyle:e.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:e.borderCapStyle,lineDash:e.borderDash,lineDashOffset:e.borderDashOffset,lineJoin:e.borderJoinStyle,lineWidth:(i.width+i.height)/4,strokeStyle:e.borderColor,pointStyle:r||e.pointStyle,rotation:e.rotation,textAlign:n||e.textAlign,borderRadius:0,datasetIndex:t.index}},this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class Title extends Element{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){var i=this.options;this.left=0,this.top=0,i.display?(this.width=this.right=t,this.height=this.bottom=e,e=isArray(i.text)?i.text.length:1,this._padding=toPadding(i.padding),i=e*toFont(i.font).lineHeight+this._padding.height,this.isHorizontal()?this.height=i:this.width=i):this.width=this.height=this.right=this.bottom=0}isHorizontal(){var t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){var{top:e,left:i,bottom:a,right:s,options:r}=this,n=r.align;let o=0,l,h,d;return l=this.isHorizontal()?(h=_alignStartEnd(n,i,s),d=e+t,s-i):(o="left"===r.position?(h=i+t,d=_alignStartEnd(n,a,e),-.5*PI):(h=s-t,d=_alignStartEnd(n,e,a),.5*PI),a-e),{titleX:h,titleY:d,maxWidth:l,rotation:o}}draw(){var t,e,i,a,s,r=this.ctx,n=this.options;n.display&&(s=(t=toFont(n.font)).lineHeight/2+this._padding.top,{titleX:e,titleY:i,maxWidth:a,rotation:s}=this._drawArgs(s),renderText(r,n.text,0,0,t,{color:n.color,maxWidth:a,rotation:s,textAlign:_toLeftRightCenter(n.align),textBaseline:"middle",translation:[e,i]}))}}function createTitle(t,e){var i=new Title({ctx:t.ctx,options:e,chart:t});layouts.configure(t,i,e),layouts.addBox(t,i),t.titleBlock=i}var plugin_title={id:"title",_element:Title,start(t,e,i){createTitle(t,i)},stop(t){var e=t.titleBlock;layouts.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const a=t.titleBlock;layouts.configure(t,a,i),a.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const map=new WeakMap;var plugin_subtitle={id:"subtitle",start(t,e,i){var a=new Title({ctx:t.ctx,options:i,chart:t});layouts.configure(t,a,i),layouts.addBox(t,a),map.set(t,a)},stop(t){layouts.removeBox(t,map.get(t)),map.delete(t)},beforeUpdate(t,e,i){const a=map.get(t);layouts.configure(t,a,i),a.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const positioners={average(t){if(!t.length)return!1;let e,i,a=0,s=0,r=0;for(e=0,i=t.length;et+e.before.length+e.lines.length+e.after.length,0);v+=t.beforeBody.length+t.afterBody.length,c&&(f+=c*h.lineHeight+(c-1)*e.titleSpacing+e.titleMarginBottom),v&&(o=e.displayColors?Math.max(o,l.lineHeight):l.lineHeight,f+=g*o+(v-g)*l.lineHeight+(v-1)*e.bodySpacing),u&&(f+=e.footerMarginTop+u*d.lineHeight+(u-1)*e.footerSpacing);let x=0;function b(t){m=Math.max(m,i.measureText(t).width+x)}return i.save(),i.font=h.string,each(t.title,b),i.font=l.string,each(t.beforeBody.concat(t.afterBody),b),x=e.displayColors?n+2+e.boxPadding:0,each(a,t=>{each(t.before,b),each(t.lines,b),each(t.after,b)}),x=0,i.font=d.string,each(t.footer,b),i.restore(),m+=p.width,{width:m,height:f}}function determineYAlign(t,e){var{y:i,height:e}=e;return it.height-e/2?"bottom":"center"}function doesNotFitWithAlign(t,e,i,a){var{x:s,width:a}=a,i=i.caretSize+i.caretPadding;return"left"===t&&s+a+i>e.width||("right"===t&&s-a-i<0||void 0)}function determineXAlign(t,e,i,a){var{x:s,width:r}=i,{width:n,chartArea:{left:o,right:l}}=t;let h="center";return"center"===a?h=s<=(o+l)/2?"left":"right":s<=r/2?h="left":n-r/2<=s&&(h="right"),doesNotFitWithAlign(h,t,e,i)&&(h="center"),h}function determineAlignment(t,e,i){var a=i.yAlign||e.yAlign||determineYAlign(t,i);return{xAlign:i.xAlign||e.xAlign||determineXAlign(t,e,i,a),yAlign:a}}function alignX(t,e){let{x:i,width:a}=t;return"right"===e?i-=a:"center"===e&&(i-=a/2),i}function alignY(t,e,i){let{y:a,height:s}=t;return"top"===e?a+=i:a-="bottom"===e?s+i:s/2,a}function getBackgroundPoint(t,e,i,a){var{caretSize:s,caretPadding:r,cornerRadius:n}=t,{xAlign:o,yAlign:l}=i,h=s+r,{topLeft:d,topRight:t,bottomLeft:i,bottomRight:r}=toTRBLCorners(n);let c=alignX(e,o);n=alignY(e,l,h);return"center"===l?"left"===o?c+=h:"right"===o&&(c-=h):"left"===o?c-=Math.max(d,i)+s:"right"===o&&(c+=Math.max(t,r)+s),{x:_limitValue(c,0,a.width-e.width),y:_limitValue(n,0,a.height-e.height)}}function getAlignedX(t,e,i){i=toPadding(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-i.right:t.x+i.left}function getBeforeAfterBodyLines(t){return pushOrConcat([],splitNewlines(t))}function createTooltipContext(t,e,i){return createContext(t,{tooltip:e,tooltipItems:i,type:"tooltip"})}function overrideCallbacks(t,e){e=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return e?t.override(e):t}class Tooltip extends Element{constructor(t){super(),this.opacity=0,this._active=[],this._eventPosition=void 0,this._size=void 0,this._cachedAnimations=void 0,this._tooltipItems=[],this.$animations=void 0,this.$context=void 0,this.chart=t.chart||t._chart,this._chart=this.chart,this.options=t.options,this.dataPoints=void 0,this.title=void 0,this.beforeBody=void 0,this.body=void 0,this.afterBody=void 0,this.footer=void 0,this.xAlign=void 0,this.yAlign=void 0,this.x=void 0,this.y=void 0,this.height=void 0,this.width=void 0,this.caretX=void 0,this.caretY=void 0,this.labelColors=void 0,this.labelPointStyles=void 0,this.labelTextColors=void 0}initialize(t){this.options=t,this._cachedAnimations=void 0,this.$context=void 0}_resolveAnimations(){var t=this._cachedAnimations;if(t)return t;var e=this.chart,t=this.options.setContext(this.getContext()),e=t.enabled&&e.options.animation&&t.animations,t=new Animations(this.chart,e);return e._cacheable&&(this._cachedAnimations=Object.freeze(t)),t}getContext(){return this.$context||(this.$context=createTooltipContext(this.chart.getContext(),this,this._tooltipItems))}getTitle(t,e){const i=e["callbacks"];var a=i.beforeTitle.apply(this,[t]),s=i.title.apply(this,[t]),e=i.afterTitle.apply(this,[t]),t=pushOrConcat(t=[],splitNewlines(a));return t=pushOrConcat(t,splitNewlines(s)),t=pushOrConcat(t,splitNewlines(e))}getBeforeBody(t,e){return getBeforeAfterBodyLines(e.callbacks.beforeBody.apply(this,[t]))}getBody(t,e){const a=e["callbacks"],s=[];return each(t,t=>{var e={before:[],lines:[],after:[]};const i=overrideCallbacks(a,t);pushOrConcat(e.before,splitNewlines(i.beforeLabel.call(this,t))),pushOrConcat(e.lines,i.label.call(this,t)),pushOrConcat(e.after,splitNewlines(i.afterLabel.call(this,t))),s.push(e)}),s}getAfterBody(t,e){return getBeforeAfterBodyLines(e.callbacks.afterBody.apply(this,[t]))}getFooter(t,e){const i=e["callbacks"];var a=i.beforeFooter.apply(this,[t]),s=i.footer.apply(this,[t]),e=i.afterFooter.apply(this,[t]),t=pushOrConcat(t=[],splitNewlines(a));return t=pushOrConcat(t,splitNewlines(s)),t=pushOrConcat(t,splitNewlines(e))}_createItems(a){var t=this._active;const s=this.chart.data,i=[],r=[],n=[];let e=[],o,l;for(o=0,l=t.length;oa.filter(t,e,i,s))),a.itemSort&&(e=e.sort((t,e)=>a.itemSort(t,e,s))),each(e,t=>{const e=overrideCallbacks(a.callbacks,t);i.push(e.labelColor.call(this,t)),r.push(e.labelPointStyle.call(this,t)),n.push(e.labelTextColor.call(this,t))}),this.labelColors=i,this.labelPointStyles=r,this.labelTextColors=n,this.dataPoints=e,e}update(t,e){const i=this.options.setContext(this.getContext());var a,s,r,n=this._active;let o,l=[];n.length?(a=positioners[i.position].call(this,n,this._eventPosition),l=this._createItems(i),this.title=this.getTitle(l,i),this.beforeBody=this.getBeforeBody(l,i),this.body=this.getBody(l,i),this.afterBody=this.getAfterBody(l,i),this.footer=this.getFooter(l,i),s=this._size=getTooltipSize(this,i),r=Object.assign({},a,s),n=determineAlignment(this.chart,i,r),r=getBackgroundPoint(i,r,n,this.chart),this.xAlign=n.xAlign,this.yAlign=n.yAlign,o={opacity:1,x:r.x,y:r.y,width:s.width,height:s.height,caretX:a.x,caretY:a.y}):0!==this.opacity&&(o={opacity:0}),this._tooltipItems=l,this.$context=void 0,o&&this._resolveAnimations().update(this,o),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,a){a=this.getCaretPosition(t,i,a);e.lineTo(a.x1,a.y1),e.lineTo(a.x2,a.y2),e.lineTo(a.x3,a.y3)}getCaretPosition(t,e,i){var{xAlign:a,yAlign:s}=this,{caretSize:r,cornerRadius:n}=i,{topLeft:o,topRight:l,bottomLeft:h,bottomRight:d}=toTRBLCorners(n),{x:i,y:n}=t,{width:t,height:e}=e;let c,u,g,p,f,m;return"center"===s?(f=n+e/2,m="left"===a?(c=i,u=c-r,p=f+r,f-r):(c=i+t,u=c+r,p=f-r,f+r),g=c):(u="left"===a?i+Math.max(o,h)+r:"right"===a?i+t-Math.max(l,d)-r:this.caretX,g="top"===s?(p=n,f=p-r,c=u-r,u+r):(p=n+e,f=p+r,c=u+r,u-r),m=p),{x1:c,x2:u,x3:g,y1:p,y2:f,y3:m}}drawTitle(t,e,i){var a=this.title,s=a.length;let r,n,o;if(s){const l=getRtlAdapter(i.rtl,this.x,this.width);for(t.x=getAlignedX(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",r=toFont(i.titleFont),n=i.titleSpacing,e.fillStyle=i.titleColor,e.font=r.string,o=0;o0!==t)?(t.beginPath(),t.fillStyle=s.multiKeyBackground,addRoundedRectPath(t,{x:r,y:e,w:h,h:l,radius:d}),t.fill(),t.stroke(),t.fillStyle=n.backgroundColor,t.beginPath(),addRoundedRectPath(t,{x:u,y:e+1,w:h-2,h:l-2,radius:d}),t.fill()):(t.fillStyle=s.multiKeyBackground,t.fillRect(r,e,h,l),t.strokeRect(r,e,h,l),t.fillStyle=n.backgroundColor,t.fillRect(u,e+1,h-2,l-2))),t.fillStyle=this.labelTextColors[i]}drawBody(e,i,t){var a=this["body"];const{bodySpacing:s,bodyAlign:r,displayColors:n,boxHeight:o,boxWidth:l,boxPadding:h}=t;var d=toFont(t.bodyFont);let c=d.lineHeight,u=0;const g=getRtlAdapter(t.rtl,this.x,this.width);function p(t){i.fillText(t,g.x(e.x+u),e.y+c/2),e.y+=c+s}var f=g.textAlign(r);let m,v,x,b,_,y,S;for(i.textAlign=r,i.textBaseline="middle",i.font=d.string,e.x=getAlignedX(this,f,t),i.fillStyle=t.bodyColor,each(this.beforeBody,p),u=n&&"right"!==f?"center"===r?l/2+h:l+2+h:0,b=0,y=a.length;b{var i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}),t=!_elementsEqual(i,a),i=this._positionChanged(a,e);(t||i)&&(this._active=a,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;var a=this.options,s=this._active||[],r=this._getActiveElements(t,s,e,i),i=this._positionChanged(r,t),i=e||!_elementsEqual(r,s)||i;return i&&(this._active=r,(a.enabled||a.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),i}_getActiveElements(t,e,i,a){var s=this.options;if("mouseout"===t.type)return[];if(!a)return e;const r=this.chart.getElementsAtEventForMode(t,s.mode,s,i);return s.reverse&&r.reverse(),r}_positionChanged(t,e){var{caretX:i,caretY:a,options:s}=this,e=positioners[s.position].call(this,t,e);return!1!==e&&(i!==e.x||a!==e.y)}}Tooltip.positioners=positioners;var plugin_tooltip={id:"tooltip",_element:Tooltip,positioners:positioners,afterInit(t,e,i){i&&(t.tooltip=new Tooltip({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip;var i={tooltip:e};!1!==t.notifyPlugins("beforeTooltipDraw",i)&&(e&&e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i))},afterEvent(t,e){var i;t.tooltip&&(i=e.replay,t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0))},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:{beforeTitle:noop,title(t){if(0"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]},plugins=Object.freeze({__proto__:null,Decimation:plugin_decimation,Filler:plugin_filler,Legend:plugin_legend,SubTitle:plugin_subtitle,Title:plugin_title,Tooltip:plugin_tooltip});const addIfString=(t,e,i,a)=>("string"==typeof e?(i=t.push(e)-1,a.unshift({index:i,label:e})):isNaN(e)&&(i=null),i);function findOrAddLabel(t,e,i,a){var s=t.indexOf(e);return-1===s?addIfString(t,e,i,a):s!==t.lastIndexOf(e)?i:s}const validIndex=(t,e)=>null===t?null:_limitValue(Math.round(t),0,e);class CategoryScale extends Scale{constructor(t){super(t),this._startValue=void 0,this._valueRange=0,this._addedLabels=[]}init(t){var e=this._addedLabels;if(e.length){const s=this.getLabels();for(var{index:i,label:a}of e)s[i]===a&&s.splice(i,1);this._addedLabels=[]}super.init(t)}parse(t,e){if(isNullOrUndef(t))return null;var i=this.getLabels();return e=isFinite(e)&&i[e]===t?e:findOrAddLabel(i,t,valueOrDefault(e,t),this._addedLabels),validIndex(e,i.length-1)}determineDataLimits(){var{minDefined:t,maxDefined:e}=this.getUserBounds();let{min:i,max:a}=this.getMinMax(!0);"ticks"===this.options.bounds&&(t||(i=0),e||(a=this.getLabels().length-1)),this.min=i,this.max=a}buildTicks(){var e=this.min,i=this.max,t=this.options.offset;const a=[];let s=this.getLabels();s=0===e&&i===s.length-1?s:s.slice(e,i+1),this._valueRange=Math.max(s.length-(t?0:1),1),this._startValue=this.min-(t?.5:0);for(let t=e;t<=i;t++)a.push({value:t});return a}getLabelForValue(t){var e=this.getLabels();return 0<=t&&te.length-1?null:this.getPixelForValue(e[t].value)}getValueForPixel(t){return Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange)}getBasePixel(){return this.bottom}}function generateTicks$1(t,e){const i=[];var{bounds:a,step:s,min:r,max:n,precision:o,count:l,maxTicks:h,maxDigits:d,includeBounds:c}=t,u=s||1,g=h-1,{min:p,max:f}=e,m=!isNullOrUndef(r),v=!isNullOrUndef(n),e=!isNullOrUndef(l),d=(f-p)/(d+1);let x=niceNum((f-p)/g/u)*u,b,_,y,S;if(x<1e-14&&!m&&!v)return[{value:p},{value:f}];S=Math.ceil(f/x)-Math.floor(p/x),S>g&&(x=niceNum(S*x/g/u)*u),isNullOrUndef(o)||(b=Math.pow(10,o),x=Math.ceil(x*b)/b),y="ticks"===a?(_=Math.floor(p/x)*x,Math.ceil(f/x)*x):(_=p,f),m&&v&&s&&almostWhole((n-r)/s,x/1e3)?(S=Math.round(Math.min((n-r)/x,h)),x=(n-r)/S,_=r,y=n):e?(_=m?r:_,y=v?n:y,S=l-1,x=(y-_)/S):(S=(y-_)/x,S=almostEquals(S,Math.round(S),x/1e3)?Math.round(S):Math.ceil(S));l=Math.max(_decimalPlaces(x),_decimalPlaces(_));b=Math.pow(10,isNullOrUndef(o)?l:o),_=Math.round(_*b)/b,y=Math.round(y*b)/b;let k=0;for(m&&(c&&_!==r?(i.push({value:r}),_s=i?s:t,l=t=>r=a?r:t;if(e&&(t=sign(s),n=sign(r),t<0&&n<0?l(0):0=Number.MAX_SAFE_INTEGER||s<=Number.MIN_SAFE_INTEGER)&&(t=Math.abs(.05*r)),l(r+t),e||o(s-t)}this.min=s,this.max=r}getTickLimit(){let{maxTicksLimit:t,stepSize:e}=this.options.ticks,i;return e?(i=Math.ceil(this.max/e)-Math.floor(this.min/e)+1,1e3a=e?a:t,r=t=>s=i?s:t,n=(t,e)=>Math.pow(10,Math.floor(log10(t))+e);a===s&&(a<=0?(t(1),r(10)):(t(n(a,-1)),r(n(s,1)))),a<=0&&t(n(s,-1)),s<=0&&r(n(a,1)),this._zero&&this.min!==this._suggestedMin&&a===n(this.min,0)&&t(n(a,-1)),this.min=a,this.max=s}buildTicks(){var t=this.options;const e=generateTicks({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&_setMinAndMaxByKey(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":formatNumber(t,this.chart.options.locale,this.options.ticks.format)}configure(){var t=this.min;super.configure(),this._startValue=log10(t),this._valueRange=log10(this.max)-log10(t)}getPixelForValue(t){return null===(t=void 0===t||0===t?this.min:t)||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(log10(t)-this._startValue)/this._valueRange)}getValueForPixel(t){t=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+t*this._valueRange)}}function getTickBackdropHeight(t){var e=t.ticks;if(e.display&&t.display){t=toPadding(e.backdropPadding);return valueOrDefault(e.font&&e.font.size,defaults.font.size)+t.height}return 0}function measureLabelSize(t,e,i){return i=isArray(i)?i:[i],{w:_longestText(t,e.string,i),h:i.length*e.lineHeight}}function determineLimits(t,e,i,a,s){return t===a||t===s?{start:e-i/2,end:e+i/2}:te.r&&(n=(a.end-e.r)/r,t.r=Math.max(t.r,e.r+n)),s.starte.b&&(o=(s.end-e.b)/i,t.b=Math.max(t.b,e.b+o))}function buildPointLabelItems(e,i,a){const s=[];var r=e._pointLabels.length,t=e.options,n=getTickBackdropHeight(t)/2,o=e.drawingArea,l=t.pointLabels.centerPointLabels?PI/r:0;for(let t=0;t{e=callback(this.options.pointLabels.callback,[t,e],this);return e||0===e?e:""}).filter((t,e)=>this.chart.getDataVisibility(e))}fit(){var t=this.options;t.display&&t.pointLabels.display?fitWithPointLabels(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,a){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-a)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,a))}getIndexAngle(t){var e=TAU/(this._pointLabels.length||1),i=this.options.startAngle||0;return _normalizeAngle(t*e+toRadians(i))}getDistanceFromCenterForValue(t){if(isNullOrUndef(t))return NaN;var e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if(isNullOrUndef(t))return NaN;t/=this.drawingArea/(this.max-this.min);return this.options.reverse?this.max-t:this.min+t}getPointLabelContext(t){var e=this._pointLabels||[];if(0<=t&&t{0!==e&&(n=this.getDistanceFromCenterForValue(t.value),e=a.setContext(this.getContext(e-1)),drawRadiusLine(this,e,n,s))}),i.display){for(t.save(),r=s-1;0<=r;r--){var l=i.setContext(this.getPointLabelContext(r)),{color:h,lineWidth:d}=l;d&&h&&(t.lineWidth=d,t.strokeStyle=h,t.setLineDash(l.borderDash),t.lineDashOffset=l.borderDashOffset,n=this.getDistanceFromCenterForValue(e.ticks.reverse?this.min:this.max),o=this.getPointPosition(r,n),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(o.x,o.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const n=this.ctx,o=this.options,l=o.ticks;if(l.display){var t=this.getIndexAngle(0);let s,r;n.save(),n.translate(this.xCenter,this.yCenter),n.rotate(t),n.textAlign="center",n.textBaseline="middle",this.ticks.forEach((t,e)=>{var i,a;0===e&&!o.reverse||(i=l.setContext(this.getContext(e)),a=toFont(i.font),s=this.getDistanceFromCenterForValue(this.ticks[e].value),i.showLabelBackdrop&&(n.font=a.string,r=n.measureText(t.label).width,n.fillStyle=i.backdropColor,e=toPadding(i.backdropPadding),n.fillRect(-r/2-e.left,-s-a.size/2-e.top,r+e.width,a.size+e.height)),renderText(n,t.label,0,-s,a,{color:i.color}))}),n.restore()}}drawTitle(){}}RadialLinearScale.id="radialLinear",RadialLinearScale.defaults={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,lineWidth:1,borderDash:[],borderDashOffset:0},grid:{circular:!1},startAngle:0,ticks:{showLabelBackdrop:!0,callback:Ticks.formatters.numeric},pointLabels:{backdropColor:void 0,backdropPadding:2,display:!0,font:{size:10},callback(t){return t},padding:5,centerPointLabels:!1}},RadialLinearScale.defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"};const INTERVALS={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!(RadialLinearScale.descriptors={angleLines:{_fallback:"grid"}}),size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},UNITS=Object.keys(INTERVALS);function sorter(t,e){return t-e}function parse(t,e){if(isNullOrUndef(e))return null;const i=t._adapter,{parser:a,round:s,isoWeekday:r}=t._parseOpts;let n=e;return"function"==typeof a&&(n=a(n)),isNumberFinite(n)||(n="string"==typeof a?i.parse(n,a):i.parse(n)),null===n?null:(s&&(n="week"!==s||!isNumber(r)&&!0!==r?i.startOf(n,s):i.startOf(n,"isoWeek",r)),+n)}function determineUnitForAutoTicks(e,i,a,s){var r=UNITS.length;for(let t=UNITS.indexOf(e);t=UNITS.indexOf(a);t--){var n=UNITS[t];if(INTERVALS[n].common&&e._adapter.diff(r,s,n)>=i-1)return n}return UNITS[a?UNITS.indexOf(a):0]}function determineMajorUnit(i){for(let t=UNITS.indexOf(i)+1,e=UNITS.length;t=e?i[a]:i[s]]=!0):t[e]=!0}function setMajorTicks(t,e,i,a){const s=t._adapter;var t=+s.startOf(e[0].value,a),r=e[e.length-1].value;let n,o;for(n=t;n<=r;n=+s.add(n,1,a))0<=(o=i[n])&&(e[o].major=!0);return e}function ticksFromTimestamps(t,e,i){const a=[],s={};var r=e.length;let n,o;for(n=0;n1e5*n)throw new Error(e+" and "+i+" are too far apart with stepSize of "+n+" "+r);var u="data"===a.ticks.source&&this.getDataTimestamps();for(d=h,c=0;dt-e).map(t=>+t)}getLabelForValue(t){const e=this._adapter;var i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}_tickFormatFunction(t,e,i,a){var s=this.options,r=s.time.displayFormats,n=this._unit,o=this._majorUnit,l=n&&r[n],n=o&&r[o],r=i[e],r=o&&n&&r&&r.major,l=this._adapter.format(t,a||(r?n:l)),s=s.ticks.callback;return s?callback(s,[l,e,i],this):l}generateTickLabels(t){let e,i,a;for(e=0,i=t.length;e=t[a].pos&&e<=t[s].pos&&({lo:a,hi:s}=_lookupByKey(t,"pos",e)),{pos:r,time:o}=t[a],{pos:n,time:l}=t[s]):(e>=t[a].time&&e<=t[s].time&&({lo:a,hi:s}=_lookupByKey(t,"time",e)),{time:r,pos:o}=t[a],{time:n,pos:l}=t[s]);t=n-r;return t?o+(l-o)*(e-r)/t:o}TimeScale.id="time",TimeScale.defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",major:{enabled:!1}}};class TimeSeriesScale extends TimeScale{constructor(t){super(t),this._table=[],this._minPos=void 0,this._tableRange=void 0}initOffsets(){var t=this._getTimestampsForTable(),e=this._table=this.buildLookupTable(t);this._minPos=interpolate(e,this.min),this._tableRange=interpolate(e,this.max)-this._minPos,super.initOffsets(t)}buildLookupTable(t){var{min:e,max:i}=this;const a=[],s=[];let r,n,o,l,h;for(r=0,n=t.length;r=e&&l<=i&&a.push(l);if(a.length<2)return[{time:e,pos:0},{time:i,pos:1}];for(r=0,n=a.length;r Array.prototype.slice.call(args)); + let ticking = false; + let args = []; + return function(...rest) { + args = updateArgs(rest); + if (!ticking) { + ticking = true; + requestAnimFrame.call(window, () => { + ticking = false; + fn.apply(thisArg, args); + }); + } + }; +} +function debounce(fn, delay) { + let timeout; + return function(...args) { + if (delay) { + clearTimeout(timeout); + timeout = setTimeout(fn, delay, args); + } else { + fn.apply(this, args); + } + return delay; + }; +} +const _toLeftRightCenter = (align) => align === 'start' ? 'left' : align === 'end' ? 'right' : 'center'; +const _alignStartEnd = (align, start, end) => align === 'start' ? start : align === 'end' ? end : (start + end) / 2; +const _textX = (align, left, right, rtl) => { + const check = rtl ? 'left' : 'right'; + return align === check ? right : align === 'center' ? (left + right) / 2 : left; +}; + +class Animator { + constructor() { + this._request = null; + this._charts = new Map(); + this._running = false; + this._lastDate = undefined; + } + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach(fn => fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; + } + this._running = true; + this._request = requestAnimFrame.call(window, () => { + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } + }); + } + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart) => { + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw = false; + let item; + for (; i >= 0; --i) { + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw) { + chart.draw(); + this._notify(chart, anims, date, 'progress'); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, 'complete'); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; + } + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); + } + return anims; + } + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); + } + add(chart, items) { + if (!items || !items.length) { + return; + } + this._getAnims(chart).items.push(...items); + } + has(chart) { + return this._getAnims(chart).items.length > 0; + } + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0); + this._refresh(); + } + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; + } + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for (; i >= 0; --i) { + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), 'complete'); + } + remove(chart) { + return this._charts.delete(chart); + } +} +var animator = new Animator(); + +/*! + * @kurkle/color v0.1.9 + * https://github.com/kurkle/color#readme + * (c) 2020 Jukka Kurkela + * Released under the MIT License + */ +const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15}; +const hex = '0123456789ABCDEF'; +const h1 = (b) => hex[b & 0xF]; +const h2 = (b) => hex[(b & 0xF0) >> 4] + hex[b & 0xF]; +const eq = (b) => (((b & 0xF0) >> 4) === (b & 0xF)); +function isShort(v) { + return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); +} +function hexParse(str) { + var len = str.length; + var ret; + if (str[0] === '#') { + if (len === 4 || len === 5) { + ret = { + r: 255 & map$1[str[1]] * 17, + g: 255 & map$1[str[2]] * 17, + b: 255 & map$1[str[3]] * 17, + a: len === 5 ? map$1[str[4]] * 17 : 255 + }; + } else if (len === 7 || len === 9) { + ret = { + r: map$1[str[1]] << 4 | map$1[str[2]], + g: map$1[str[3]] << 4 | map$1[str[4]], + b: map$1[str[5]] << 4 | map$1[str[6]], + a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255 + }; + } + } + return ret; +} +function hexString(v) { + var f = isShort(v) ? h1 : h2; + return v + ? '#' + f(v.r) + f(v.g) + f(v.b) + (v.a < 255 ? f(v.a) : '') + : v; +} +function round(v) { + return v + 0.5 | 0; +} +const lim = (v, l, h) => Math.max(Math.min(v, h), l); +function p2b(v) { + return lim(round(v * 2.55), 0, 255); +} +function n2b(v) { + return lim(round(v * 255), 0, 255); +} +function b2n(v) { + return lim(round(v / 2.55) / 100, 0, 1); +} +function n2p(v) { + return lim(round(v * 100), 0, 100); +} +const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; +function rgbParse(str) { + const m = RGB_RE.exec(str); + let a = 255; + let r, g, b; + if (!m) { + return; + } + if (m[7] !== r) { + const v = +m[7]; + a = 255 & (m[8] ? p2b(v) : v * 255); + } + r = +m[1]; + g = +m[3]; + b = +m[5]; + r = 255 & (m[2] ? p2b(r) : r); + g = 255 & (m[4] ? p2b(g) : g); + b = 255 & (m[6] ? p2b(b) : b); + return { + r: r, + g: g, + b: b, + a: a + }; +} +function rgbString(v) { + return v && ( + v.a < 255 + ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` + : `rgb(${v.r}, ${v.g}, ${v.b})` + ); +} +const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; +function hsl2rgbn(h, s, l) { + const a = s * Math.min(l, 1 - l); + const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); + return [f(0), f(8), f(4)]; +} +function hsv2rgbn(h, s, v) { + const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); + return [f(5), f(3), f(1)]; +} +function hwb2rgbn(h, w, b) { + const rgb = hsl2rgbn(h, 1, 0.5); + let i; + if (w + b > 1) { + i = 1 / (w + b); + w *= i; + b *= i; + } + for (i = 0; i < 3; i++) { + rgb[i] *= 1 - w - b; + rgb[i] += w; + } + return rgb; +} +function rgb2hsl(v) { + const range = 255; + const r = v.r / range; + const g = v.g / range; + const b = v.b / range; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (max + min) / 2; + let h, s, d; + if (max !== min) { + d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + h = max === r + ? ((g - b) / d) + (g < b ? 6 : 0) + : max === g + ? (b - r) / d + 2 + : (r - g) / d + 4; + h = h * 60 + 0.5; + } + return [h | 0, s || 0, l]; +} +function calln(f, a, b, c) { + return ( + Array.isArray(a) + ? f(a[0], a[1], a[2]) + : f(a, b, c) + ).map(n2b); +} +function hsl2rgb(h, s, l) { + return calln(hsl2rgbn, h, s, l); +} +function hwb2rgb(h, w, b) { + return calln(hwb2rgbn, h, w, b); +} +function hsv2rgb(h, s, v) { + return calln(hsv2rgbn, h, s, v); +} +function hue(h) { + return (h % 360 + 360) % 360; +} +function hueParse(str) { + const m = HUE_RE.exec(str); + let a = 255; + let v; + if (!m) { + return; + } + if (m[5] !== v) { + a = m[6] ? p2b(+m[5]) : n2b(+m[5]); + } + const h = hue(+m[2]); + const p1 = +m[3] / 100; + const p2 = +m[4] / 100; + if (m[1] === 'hwb') { + v = hwb2rgb(h, p1, p2); + } else if (m[1] === 'hsv') { + v = hsv2rgb(h, p1, p2); + } else { + v = hsl2rgb(h, p1, p2); + } + return { + r: v[0], + g: v[1], + b: v[2], + a: a + }; +} +function rotate(v, deg) { + var h = rgb2hsl(v); + h[0] = hue(h[0] + deg); + h = hsl2rgb(h); + v.r = h[0]; + v.g = h[1]; + v.b = h[2]; +} +function hslString(v) { + if (!v) { + return; + } + const a = rgb2hsl(v); + const h = a[0]; + const s = n2p(a[1]); + const l = n2p(a[2]); + return v.a < 255 + ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` + : `hsl(${h}, ${s}%, ${l}%)`; +} +const map$1$1 = { + x: 'dark', + Z: 'light', + Y: 're', + X: 'blu', + W: 'gr', + V: 'medium', + U: 'slate', + A: 'ee', + T: 'ol', + S: 'or', + B: 'ra', + C: 'lateg', + D: 'ights', + R: 'in', + Q: 'turquois', + E: 'hi', + P: 'ro', + O: 'al', + N: 'le', + M: 'de', + L: 'yello', + F: 'en', + K: 'ch', + G: 'arks', + H: 'ea', + I: 'ightg', + J: 'wh' +}; +const names = { + OiceXe: 'f0f8ff', + antiquewEte: 'faebd7', + aqua: 'ffff', + aquamarRe: '7fffd4', + azuY: 'f0ffff', + beige: 'f5f5dc', + bisque: 'ffe4c4', + black: '0', + blanKedOmond: 'ffebcd', + Xe: 'ff', + XeviTet: '8a2be2', + bPwn: 'a52a2a', + burlywood: 'deb887', + caMtXe: '5f9ea0', + KartYuse: '7fff00', + KocTate: 'd2691e', + cSO: 'ff7f50', + cSnflowerXe: '6495ed', + cSnsilk: 'fff8dc', + crimson: 'dc143c', + cyan: 'ffff', + xXe: '8b', + xcyan: '8b8b', + xgTMnPd: 'b8860b', + xWay: 'a9a9a9', + xgYF: '6400', + xgYy: 'a9a9a9', + xkhaki: 'bdb76b', + xmagFta: '8b008b', + xTivegYF: '556b2f', + xSange: 'ff8c00', + xScEd: '9932cc', + xYd: '8b0000', + xsOmon: 'e9967a', + xsHgYF: '8fbc8f', + xUXe: '483d8b', + xUWay: '2f4f4f', + xUgYy: '2f4f4f', + xQe: 'ced1', + xviTet: '9400d3', + dAppRk: 'ff1493', + dApskyXe: 'bfff', + dimWay: '696969', + dimgYy: '696969', + dodgerXe: '1e90ff', + fiYbrick: 'b22222', + flSOwEte: 'fffaf0', + foYstWAn: '228b22', + fuKsia: 'ff00ff', + gaRsbSo: 'dcdcdc', + ghostwEte: 'f8f8ff', + gTd: 'ffd700', + gTMnPd: 'daa520', + Way: '808080', + gYF: '8000', + gYFLw: 'adff2f', + gYy: '808080', + honeyMw: 'f0fff0', + hotpRk: 'ff69b4', + RdianYd: 'cd5c5c', + Rdigo: '4b0082', + ivSy: 'fffff0', + khaki: 'f0e68c', + lavFMr: 'e6e6fa', + lavFMrXsh: 'fff0f5', + lawngYF: '7cfc00', + NmoncEffon: 'fffacd', + ZXe: 'add8e6', + ZcSO: 'f08080', + Zcyan: 'e0ffff', + ZgTMnPdLw: 'fafad2', + ZWay: 'd3d3d3', + ZgYF: '90ee90', + ZgYy: 'd3d3d3', + ZpRk: 'ffb6c1', + ZsOmon: 'ffa07a', + ZsHgYF: '20b2aa', + ZskyXe: '87cefa', + ZUWay: '778899', + ZUgYy: '778899', + ZstAlXe: 'b0c4de', + ZLw: 'ffffe0', + lime: 'ff00', + limegYF: '32cd32', + lRF: 'faf0e6', + magFta: 'ff00ff', + maPon: '800000', + VaquamarRe: '66cdaa', + VXe: 'cd', + VScEd: 'ba55d3', + VpurpN: '9370db', + VsHgYF: '3cb371', + VUXe: '7b68ee', + VsprRggYF: 'fa9a', + VQe: '48d1cc', + VviTetYd: 'c71585', + midnightXe: '191970', + mRtcYam: 'f5fffa', + mistyPse: 'ffe4e1', + moccasR: 'ffe4b5', + navajowEte: 'ffdead', + navy: '80', + Tdlace: 'fdf5e6', + Tive: '808000', + TivedBb: '6b8e23', + Sange: 'ffa500', + SangeYd: 'ff4500', + ScEd: 'da70d6', + pOegTMnPd: 'eee8aa', + pOegYF: '98fb98', + pOeQe: 'afeeee', + pOeviTetYd: 'db7093', + papayawEp: 'ffefd5', + pHKpuff: 'ffdab9', + peru: 'cd853f', + pRk: 'ffc0cb', + plum: 'dda0dd', + powMrXe: 'b0e0e6', + purpN: '800080', + YbeccapurpN: '663399', + Yd: 'ff0000', + Psybrown: 'bc8f8f', + PyOXe: '4169e1', + saddNbPwn: '8b4513', + sOmon: 'fa8072', + sandybPwn: 'f4a460', + sHgYF: '2e8b57', + sHshell: 'fff5ee', + siFna: 'a0522d', + silver: 'c0c0c0', + skyXe: '87ceeb', + UXe: '6a5acd', + UWay: '708090', + UgYy: '708090', + snow: 'fffafa', + sprRggYF: 'ff7f', + stAlXe: '4682b4', + tan: 'd2b48c', + teO: '8080', + tEstN: 'd8bfd8', + tomato: 'ff6347', + Qe: '40e0d0', + viTet: 'ee82ee', + JHt: 'f5deb3', + wEte: 'ffffff', + wEtesmoke: 'f5f5f5', + Lw: 'ffff00', + LwgYF: '9acd32' +}; +function unpack() { + const unpacked = {}; + const keys = Object.keys(names); + const tkeys = Object.keys(map$1$1); + let i, j, k, ok, nk; + for (i = 0; i < keys.length; i++) { + ok = nk = keys[i]; + for (j = 0; j < tkeys.length; j++) { + k = tkeys[j]; + nk = nk.replace(k, map$1$1[k]); + } + k = parseInt(names[ok], 16); + unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF]; + } + return unpacked; +} +let names$1; +function nameParse(str) { + if (!names$1) { + names$1 = unpack(); + names$1.transparent = [0, 0, 0, 0]; + } + const a = names$1[str.toLowerCase()]; + return a && { + r: a[0], + g: a[1], + b: a[2], + a: a.length === 4 ? a[3] : 255 + }; +} +function modHSL(v, i, ratio) { + if (v) { + let tmp = rgb2hsl(v); + tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); + tmp = hsl2rgb(tmp); + v.r = tmp[0]; + v.g = tmp[1]; + v.b = tmp[2]; + } +} +function clone$1(v, proto) { + return v ? Object.assign(proto || {}, v) : v; +} +function fromObject(input) { + var v = {r: 0, g: 0, b: 0, a: 255}; + if (Array.isArray(input)) { + if (input.length >= 3) { + v = {r: input[0], g: input[1], b: input[2], a: 255}; + if (input.length > 3) { + v.a = n2b(input[3]); + } + } + } else { + v = clone$1(input, {r: 0, g: 0, b: 0, a: 1}); + v.a = n2b(v.a); + } + return v; +} +function functionParse(str) { + if (str.charAt(0) === 'r') { + return rgbParse(str); + } + return hueParse(str); +} +class Color { + constructor(input) { + if (input instanceof Color) { + return input; + } + const type = typeof input; + let v; + if (type === 'object') { + v = fromObject(input); + } else if (type === 'string') { + v = hexParse(input) || nameParse(input) || functionParse(input); + } + this._rgb = v; + this._valid = !!v; + } + get valid() { + return this._valid; + } + get rgb() { + var v = clone$1(this._rgb); + if (v) { + v.a = b2n(v.a); + } + return v; + } + set rgb(obj) { + this._rgb = fromObject(obj); + } + rgbString() { + return this._valid ? rgbString(this._rgb) : this._rgb; + } + hexString() { + return this._valid ? hexString(this._rgb) : this._rgb; + } + hslString() { + return this._valid ? hslString(this._rgb) : this._rgb; + } + mix(color, weight) { + const me = this; + if (color) { + const c1 = me.rgb; + const c2 = color.rgb; + let w2; + const p = weight === w2 ? 0.5 : weight; + const w = 2 * p - 1; + const a = c1.a - c2.a; + const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + w2 = 1 - w1; + c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5; + c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5; + c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5; + c1.a = p * c1.a + (1 - p) * c2.a; + me.rgb = c1; + } + return me; + } + clone() { + return new Color(this.rgb); + } + alpha(a) { + this._rgb.a = n2b(a); + return this; + } + clearer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 - ratio; + return this; + } + greyscale() { + const rgb = this._rgb; + const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); + rgb.r = rgb.g = rgb.b = val; + return this; + } + opaquer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 + ratio; + return this; + } + negate() { + const v = this._rgb; + v.r = 255 - v.r; + v.g = 255 - v.g; + v.b = 255 - v.b; + return this; + } + lighten(ratio) { + modHSL(this._rgb, 2, ratio); + return this; + } + darken(ratio) { + modHSL(this._rgb, 2, -ratio); + return this; + } + saturate(ratio) { + modHSL(this._rgb, 1, ratio); + return this; + } + desaturate(ratio) { + modHSL(this._rgb, 1, -ratio); + return this; + } + rotate(deg) { + rotate(this._rgb, deg); + return this; + } +} +function index_esm(input) { + return new Color(input); +} + +const isPatternOrGradient = (value) => value instanceof CanvasGradient || value instanceof CanvasPattern; +function color(value) { + return isPatternOrGradient(value) ? value : index_esm(value); +} +function getHoverColor(value) { + return isPatternOrGradient(value) + ? value + : index_esm(value).saturate(0.5).darken(0.1).hexString(); +} + +function noop() {} +const uid = (function() { + let id = 0; + return function() { + return id++; + }; +}()); +function isNullOrUndef(value) { + return value === null || typeof value === 'undefined'; +} +function isArray(value) { + if (Array.isArray && Array.isArray(value)) { + return true; + } + const type = Object.prototype.toString.call(value); + if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { + return true; + } + return false; +} +function isObject(value) { + return value !== null && Object.prototype.toString.call(value) === '[object Object]'; +} +const isNumberFinite = (value) => (typeof value === 'number' || value instanceof Number) && isFinite(+value); +function finiteOrDefault(value, defaultValue) { + return isNumberFinite(value) ? value : defaultValue; +} +function valueOrDefault(value, defaultValue) { + return typeof value === 'undefined' ? defaultValue : value; +} +const toPercentage = (value, dimension) => + typeof value === 'string' && value.endsWith('%') ? + parseFloat(value) / 100 + : value / dimension; +const toDimension = (value, dimension) => + typeof value === 'string' && value.endsWith('%') ? + parseFloat(value) / 100 * dimension + : +value; +function callback(fn, args, thisArg) { + if (fn && typeof fn.call === 'function') { + return fn.apply(thisArg, args); + } +} +function each(loopable, fn, thisArg, reverse) { + let i, len, keys; + if (isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + fn.call(thisArg, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[i], i); + } + } + } else if (isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } +} +function _elementsEqual(a0, a1) { + let i, ilen, v0, v1; + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + for (i = 0, ilen = a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { + return false; + } + } + return true; +} +function clone(source) { + if (isArray(source)) { + return source.map(clone); + } + if (isObject(source)) { + const target = Object.create(null); + const keys = Object.keys(source); + const klen = keys.length; + let k = 0; + for (; k < klen; ++k) { + target[keys[k]] = clone(source[keys[k]]); + } + return target; + } + return source; +} +function isValidKey(key) { + return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1; +} +function _merger(key, target, source, options) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + merge(tval, sval, options); + } else { + target[key] = clone(sval); + } +} +function merge(target, source, options) { + const sources = isArray(source) ? source : [source]; + const ilen = sources.length; + if (!isObject(target)) { + return target; + } + options = options || {}; + const merger = options.merger || _merger; + for (let i = 0; i < ilen; ++i) { + source = sources[i]; + if (!isObject(source)) { + continue; + } + const keys = Object.keys(source); + for (let k = 0, klen = keys.length; k < klen; ++k) { + merger(keys[k], target, source, options); + } + } + return target; +} +function mergeIf(target, source) { + return merge(target, source, {merger: _mergerIf}); +} +function _mergerIf(key, target, source) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + mergeIf(tval, sval); + } else if (!Object.prototype.hasOwnProperty.call(target, key)) { + target[key] = clone(sval); + } +} +function _deprecated(scope, value, previous, current) { + if (value !== undefined) { + console.warn(scope + ': "' + previous + + '" is deprecated. Please use "' + current + '" instead'); + } +} +const emptyString = ''; +const dot = '.'; +function indexOfDotOrLength(key, start) { + const idx = key.indexOf(dot, start); + return idx === -1 ? key.length : idx; +} +function resolveObjectKey(obj, key) { + if (key === emptyString) { + return obj; + } + let pos = 0; + let idx = indexOfDotOrLength(key, pos); + while (obj && idx > pos) { + obj = obj[key.substr(pos, idx - pos)]; + pos = idx + 1; + idx = indexOfDotOrLength(key, pos); + } + return obj; +} +function _capitalize(str) { + return str.charAt(0).toUpperCase() + str.slice(1); +} +const defined = (value) => typeof value !== 'undefined'; +const isFunction = (value) => typeof value === 'function'; +const setsEqual = (a, b) => { + if (a.size !== b.size) { + return false; + } + for (const item of a) { + if (!b.has(item)) { + return false; + } + } + return true; +}; +function _isClickEvent(e) { + return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu'; +} + +const overrides = Object.create(null); +const descriptors = Object.create(null); +function getScope$1(node, key) { + if (!key) { + return node; + } + const keys = key.split('.'); + for (let i = 0, n = keys.length; i < n; ++i) { + const k = keys[i]; + node = node[k] || (node[k] = Object.create(null)); + } + return node; +} +function set(root, scope, values) { + if (typeof scope === 'string') { + return merge(getScope$1(root, scope), values); + } + return merge(getScope$1(root, ''), scope); +} +class Defaults { + constructor(_descriptors) { + this.animation = undefined; + this.backgroundColor = 'rgba(0,0,0,0.1)'; + this.borderColor = 'rgba(0,0,0,0.1)'; + this.color = '#666'; + this.datasets = {}; + this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio(); + this.elements = {}; + this.events = [ + 'mousemove', + 'mouseout', + 'click', + 'touchstart', + 'touchmove' + ]; + this.font = { + family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + size: 12, + style: 'normal', + lineHeight: 1.2, + weight: null + }; + this.hover = {}; + this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor); + this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor); + this.hoverColor = (ctx, options) => getHoverColor(options.color); + this.indexAxis = 'x'; + this.interaction = { + mode: 'nearest', + intersect: true + }; + this.maintainAspectRatio = true; + this.onHover = null; + this.onClick = null; + this.parsing = true; + this.plugins = {}; + this.responsive = true; + this.scale = undefined; + this.scales = {}; + this.showLine = true; + this.drawActiveElementsOnTop = true; + this.describe(_descriptors); + } + set(scope, values) { + return set(this, scope, values); + } + get(scope) { + return getScope$1(this, scope); + } + describe(scope, values) { + return set(descriptors, scope, values); + } + override(scope, values) { + return set(overrides, scope, values); + } + route(scope, name, targetScope, targetName) { + const scopeObject = getScope$1(this, scope); + const targetScopeObject = getScope$1(this, targetScope); + const privateName = '_' + name; + Object.defineProperties(scopeObject, { + [privateName]: { + value: scopeObject[name], + writable: true + }, + [name]: { + enumerable: true, + get() { + const local = this[privateName]; + const target = targetScopeObject[targetName]; + if (isObject(local)) { + return Object.assign({}, target, local); + } + return valueOrDefault(local, target); + }, + set(value) { + this[privateName] = value; + } + } + }); + } +} +var defaults = new Defaults({ + _scriptable: (name) => !name.startsWith('on'), + _indexable: (name) => name !== 'events', + hover: { + _fallback: 'interaction' + }, + interaction: { + _scriptable: false, + _indexable: false, + } +}); + +const PI = Math.PI; +const TAU = 2 * PI; +const PITAU = TAU + PI; +const INFINITY = Number.POSITIVE_INFINITY; +const RAD_PER_DEG = PI / 180; +const HALF_PI = PI / 2; +const QUARTER_PI = PI / 4; +const TWO_THIRDS_PI = PI * 2 / 3; +const log10 = Math.log10; +const sign = Math.sign; +function niceNum(range) { + const roundedRange = Math.round(range); + range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range; + const niceRange = Math.pow(10, Math.floor(log10(range))); + const fraction = range / niceRange; + const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; + return niceFraction * niceRange; +} +function _factorize(value) { + const result = []; + const sqrt = Math.sqrt(value); + let i; + for (i = 1; i < sqrt; i++) { + if (value % i === 0) { + result.push(i); + result.push(value / i); + } + } + if (sqrt === (sqrt | 0)) { + result.push(sqrt); + } + result.sort((a, b) => a - b).pop(); + return result; +} +function isNumber(n) { + return !isNaN(parseFloat(n)) && isFinite(n); +} +function almostEquals(x, y, epsilon) { + return Math.abs(x - y) < epsilon; +} +function almostWhole(x, epsilon) { + const rounded = Math.round(x); + return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x); +} +function _setMinAndMaxByKey(array, target, property) { + let i, ilen, value; + for (i = 0, ilen = array.length; i < ilen; i++) { + value = array[i][property]; + if (!isNaN(value)) { + target.min = Math.min(target.min, value); + target.max = Math.max(target.max, value); + } + } +} +function toRadians(degrees) { + return degrees * (PI / 180); +} +function toDegrees(radians) { + return radians * (180 / PI); +} +function _decimalPlaces(x) { + if (!isNumberFinite(x)) { + return; + } + let e = 1; + let p = 0; + while (Math.round(x * e) / e !== x) { + e *= 10; + p++; + } + return p; +} +function getAngleFromPoint(centrePoint, anglePoint) { + const distanceFromXCenter = anglePoint.x - centrePoint.x; + const distanceFromYCenter = anglePoint.y - centrePoint.y; + const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + if (angle < (-0.5 * PI)) { + angle += TAU; + } + return { + angle, + distance: radialDistanceFromCenter + }; +} +function distanceBetweenPoints(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); +} +function _angleDiff(a, b) { + return (a - b + PITAU) % TAU - PI; +} +function _normalizeAngle(a) { + return (a % TAU + TAU) % TAU; +} +function _angleBetween(angle, start, end, sameAngleIsFullCircle) { + const a = _normalizeAngle(angle); + const s = _normalizeAngle(start); + const e = _normalizeAngle(end); + const angleToStart = _normalizeAngle(s - a); + const angleToEnd = _normalizeAngle(e - a); + const startToAngle = _normalizeAngle(a - s); + const endToAngle = _normalizeAngle(a - e); + return a === s || a === e || (sameAngleIsFullCircle && s === e) + || (angleToStart > angleToEnd && startToAngle < endToAngle); +} +function _limitValue(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +function _int16Range(value) { + return _limitValue(value, -32768, 32767); +} +function _isBetween(value, start, end, epsilon = 1e-6) { + return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon; +} + +function toFontString(font) { + if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { + return null; + } + return (font.style ? font.style + ' ' : '') + + (font.weight ? font.weight + ' ' : '') + + font.size + 'px ' + + font.family; +} +function _measureText(ctx, data, gc, longest, string) { + let textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; +} +function _longestText(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + let data = cache.data = cache.data || {}; + let gc = cache.garbageCollect = cache.garbageCollect || []; + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + ctx.save(); + ctx.font = font; + let longest = 0; + const ilen = arrayOfThings.length; + let i, j, jlen, thing, nestedThing; + for (i = 0; i < ilen; i++) { + thing = arrayOfThings[i]; + if (thing !== undefined && thing !== null && isArray(thing) !== true) { + longest = _measureText(ctx, data, gc, longest, thing); + } else if (isArray(thing)) { + for (j = 0, jlen = thing.length; j < jlen; j++) { + nestedThing = thing[j]; + if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) { + longest = _measureText(ctx, data, gc, longest, nestedThing); + } + } + } + } + ctx.restore(); + const gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for (i = 0; i < gcLen; i++) { + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; +} +function _alignPixel(chart, pixel, width) { + const devicePixelRatio = chart.currentDevicePixelRatio; + const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; + return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; +} +function clearCanvas(canvas, ctx) { + ctx = ctx || canvas.getContext('2d'); + ctx.save(); + ctx.resetTransform(); + ctx.clearRect(0, 0, canvas.width, canvas.height); + ctx.restore(); +} +function drawPoint(ctx, options, x, y) { + let type, xOffset, yOffset, size, cornerRadius; + const style = options.pointStyle; + const rotation = options.rotation; + const radius = options.radius; + let rad = (rotation || 0) * RAD_PER_DEG; + if (style && typeof style === 'object') { + type = style.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rad); + ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); + ctx.restore(); + return; + } + } + if (isNaN(radius) || radius <= 0) { + return; + } + ctx.beginPath(); + switch (style) { + default: + ctx.arc(x, y, radius, 0, TAU); + ctx.closePath(); + break; + case 'triangle': + ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + ctx.closePath(); + break; + case 'rectRounded': + cornerRadius = radius * 0.516; + size = radius - cornerRadius; + xOffset = Math.cos(rad + QUARTER_PI) * size; + yOffset = Math.sin(rad + QUARTER_PI) * size; + ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); + ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); + ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); + ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); + ctx.closePath(); + break; + case 'rect': + if (!rotation) { + size = Math.SQRT1_2 * radius; + ctx.rect(x - size, y - size, 2 * size, 2 * size); + break; + } + rad += QUARTER_PI; + case 'rectRot': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + yOffset, y - xOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.lineTo(x - yOffset, y + xOffset); + ctx.closePath(); + break; + case 'crossRot': + rad += QUARTER_PI; + case 'cross': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + break; + case 'star': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + rad += QUARTER_PI; + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + break; + case 'line': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + break; + case 'dash': + ctx.moveTo(x, y); + ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); + break; + } + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } +} +function _isPointInArea(point, area, margin) { + margin = margin || 0.5; + return !area || (point && point.x > area.left - margin && point.x < area.right + margin && + point.y > area.top - margin && point.y < area.bottom + margin); +} +function clipArea(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); +} +function unclipArea(ctx) { + ctx.restore(); +} +function _steppedLineTo(ctx, previous, target, flip, mode) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + if (mode === 'middle') { + const midpoint = (previous.x + target.x) / 2.0; + ctx.lineTo(midpoint, previous.y); + ctx.lineTo(midpoint, target.y); + } else if (mode === 'after' !== !!flip) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); +} +function _bezierCurveTo(ctx, previous, target, flip) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + ctx.bezierCurveTo( + flip ? previous.cp1x : previous.cp2x, + flip ? previous.cp1y : previous.cp2y, + flip ? target.cp2x : target.cp1x, + flip ? target.cp2y : target.cp1y, + target.x, + target.y); +} +function renderText(ctx, text, x, y, font, opts = {}) { + const lines = isArray(text) ? text : [text]; + const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ''; + let i, line; + ctx.save(); + ctx.font = font.string; + setRenderOpts(ctx, opts); + for (i = 0; i < lines.length; ++i) { + line = lines[i]; + if (stroke) { + if (opts.strokeColor) { + ctx.strokeStyle = opts.strokeColor; + } + if (!isNullOrUndef(opts.strokeWidth)) { + ctx.lineWidth = opts.strokeWidth; + } + ctx.strokeText(line, x, y, opts.maxWidth); + } + ctx.fillText(line, x, y, opts.maxWidth); + decorateText(ctx, x, y, line, opts); + y += font.lineHeight; + } + ctx.restore(); +} +function setRenderOpts(ctx, opts) { + if (opts.translation) { + ctx.translate(opts.translation[0], opts.translation[1]); + } + if (!isNullOrUndef(opts.rotation)) { + ctx.rotate(opts.rotation); + } + if (opts.color) { + ctx.fillStyle = opts.color; + } + if (opts.textAlign) { + ctx.textAlign = opts.textAlign; + } + if (opts.textBaseline) { + ctx.textBaseline = opts.textBaseline; + } +} +function decorateText(ctx, x, y, line, opts) { + if (opts.strikethrough || opts.underline) { + const metrics = ctx.measureText(line); + const left = x - metrics.actualBoundingBoxLeft; + const right = x + metrics.actualBoundingBoxRight; + const top = y - metrics.actualBoundingBoxAscent; + const bottom = y + metrics.actualBoundingBoxDescent; + const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; + ctx.strokeStyle = ctx.fillStyle; + ctx.beginPath(); + ctx.lineWidth = opts.decorationWidth || 2; + ctx.moveTo(left, yDecoration); + ctx.lineTo(right, yDecoration); + ctx.stroke(); + } +} +function addRoundedRectPath(ctx, rect) { + const {x, y, w, h, radius} = rect; + ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true); + ctx.lineTo(x, y + h - radius.bottomLeft); + ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); + ctx.lineTo(x + w - radius.bottomRight, y + h); + ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); + ctx.lineTo(x + w, y + radius.topRight); + ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); + ctx.lineTo(x + radius.topLeft, y); +} + +function _lookup(table, value, cmp) { + cmp = cmp || ((index) => table[index] < value); + let hi = table.length - 1; + let lo = 0; + let mid; + while (hi - lo > 1) { + mid = (lo + hi) >> 1; + if (cmp(mid)) { + lo = mid; + } else { + hi = mid; + } + } + return {lo, hi}; +} +const _lookupByKey = (table, key, value) => + _lookup(table, value, index => table[index][key] < value); +const _rlookupByKey = (table, key, value) => + _lookup(table, value, index => table[index][key] >= value); +function _filterBetween(values, min, max) { + let start = 0; + let end = values.length; + while (start < end && values[start] < min) { + start++; + } + while (end > start && values[end - 1] > max) { + end--; + } + return start > 0 || end < values.length + ? values.slice(start, end) + : values; +} +const arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; +function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [listener] + } + }); + arrayEvents.forEach((key) => { + const method = '_onData' + _capitalize(key); + const base = array[key]; + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value(...args) { + const res = base.apply(this, args); + array._chartjs.listeners.forEach((object) => { + if (typeof object[method] === 'function') { + object[method](...args); + } + }); + return res; + } + }); + }); +} +function unlistenArrayEvents(array, listener) { + const stub = array._chartjs; + if (!stub) { + return; + } + const listeners = stub.listeners; + const index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + if (listeners.length > 0) { + return; + } + arrayEvents.forEach((key) => { + delete array[key]; + }); + delete array._chartjs; +} +function _arrayUnique(items) { + const set = new Set(); + let i, ilen; + for (i = 0, ilen = items.length; i < ilen; ++i) { + set.add(items[i]); + } + if (set.size === ilen) { + return items; + } + return Array.from(set); +} + +function _isDomSupported() { + return typeof window !== 'undefined' && typeof document !== 'undefined'; +} +function _getParentNode(domNode) { + let parent = domNode.parentNode; + if (parent && parent.toString() === '[object ShadowRoot]') { + parent = parent.host; + } + return parent; +} +function parseMaxStyle(styleValue, node, parentProperty) { + let valueInPixels; + if (typeof styleValue === 'string') { + valueInPixels = parseInt(styleValue, 10); + if (styleValue.indexOf('%') !== -1) { + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + return valueInPixels; +} +const getComputedStyle = (element) => window.getComputedStyle(element, null); +function getStyle(el, property) { + return getComputedStyle(el).getPropertyValue(property); +} +const positions = ['top', 'right', 'bottom', 'left']; +function getPositionedStyle(styles, style, suffix) { + const result = {}; + suffix = suffix ? '-' + suffix : ''; + for (let i = 0; i < 4; i++) { + const pos = positions[i]; + result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0; + } + result.width = result.left + result.right; + result.height = result.top + result.bottom; + return result; +} +const useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot); +function getCanvasPosition(evt, canvas) { + const e = evt.native || evt; + const touches = e.touches; + const source = touches && touches.length ? touches[0] : e; + const {offsetX, offsetY} = source; + let box = false; + let x, y; + if (useOffsetPos(offsetX, offsetY, e.target)) { + x = offsetX; + y = offsetY; + } else { + const rect = canvas.getBoundingClientRect(); + x = source.clientX - rect.left; + y = source.clientY - rect.top; + box = true; + } + return {x, y, box}; +} +function getRelativePosition$1(evt, chart) { + const {canvas, currentDevicePixelRatio} = chart; + const style = getComputedStyle(canvas); + const borderBox = style.boxSizing === 'border-box'; + const paddings = getPositionedStyle(style, 'padding'); + const borders = getPositionedStyle(style, 'border', 'width'); + const {x, y, box} = getCanvasPosition(evt, canvas); + const xOffset = paddings.left + (box && borders.left); + const yOffset = paddings.top + (box && borders.top); + let {width, height} = chart; + if (borderBox) { + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + return { + x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), + y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) + }; +} +function getContainerSize(canvas, width, height) { + let maxWidth, maxHeight; + if (width === undefined || height === undefined) { + const container = _getParentNode(canvas); + if (!container) { + width = canvas.clientWidth; + height = canvas.clientHeight; + } else { + const rect = container.getBoundingClientRect(); + const containerStyle = getComputedStyle(container); + const containerBorder = getPositionedStyle(containerStyle, 'border', 'width'); + const containerPadding = getPositionedStyle(containerStyle, 'padding'); + width = rect.width - containerPadding.width - containerBorder.width; + height = rect.height - containerPadding.height - containerBorder.height; + maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth'); + maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight'); + } + } + return { + width, + height, + maxWidth: maxWidth || INFINITY, + maxHeight: maxHeight || INFINITY + }; +} +const round1 = v => Math.round(v * 10) / 10; +function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { + const style = getComputedStyle(canvas); + const margins = getPositionedStyle(style, 'margin'); + const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY; + const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY; + const containerSize = getContainerSize(canvas, bbWidth, bbHeight); + let {width, height} = containerSize; + if (style.boxSizing === 'content-box') { + const borders = getPositionedStyle(style, 'border', 'width'); + const paddings = getPositionedStyle(style, 'padding'); + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + width = Math.max(0, width - margins.width); + height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height); + width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); + height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); + if (width && !height) { + height = round1(width / 2); + } + return { + width, + height + }; +} +function retinaScale(chart, forceRatio, forceStyle) { + const pixelRatio = forceRatio || 1; + const deviceHeight = Math.floor(chart.height * pixelRatio); + const deviceWidth = Math.floor(chart.width * pixelRatio); + chart.height = deviceHeight / pixelRatio; + chart.width = deviceWidth / pixelRatio; + const canvas = chart.canvas; + if (canvas.style && (forceStyle || (!canvas.style.height && !canvas.style.width))) { + canvas.style.height = `${chart.height}px`; + canvas.style.width = `${chart.width}px`; + } + if (chart.currentDevicePixelRatio !== pixelRatio + || canvas.height !== deviceHeight + || canvas.width !== deviceWidth) { + chart.currentDevicePixelRatio = pixelRatio; + canvas.height = deviceHeight; + canvas.width = deviceWidth; + chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); + return true; + } + return false; +} +const supportsEventListenerOptions = (function() { + let passiveSupported = false; + try { + const options = { + get passive() { + passiveSupported = true; + return false; + } + }; + window.addEventListener('test', null, options); + window.removeEventListener('test', null, options); + } catch (e) { + } + return passiveSupported; +}()); +function readUsedSize(element, property) { + const value = getStyle(element, property); + const matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? +matches[1] : undefined; +} + +function getRelativePosition(e, chart) { + if ('native' in e) { + return { + x: e.x, + y: e.y + }; + } + return getRelativePosition$1(e, chart); +} +function evaluateAllVisibleItems(chart, handler) { + const metasets = chart.getSortedVisibleDatasetMetas(); + let index, data, element; + for (let i = 0, ilen = metasets.length; i < ilen; ++i) { + ({index, data} = metasets[i]); + for (let j = 0, jlen = data.length; j < jlen; ++j) { + element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} +function binarySearch(metaset, axis, value, intersect) { + const {controller, data, _sorted} = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { + const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; + if (!intersect) { + return lookupMethod(data, axis, value); + } else if (controller._sharedOptions) { + const el = data[0]; + const range = typeof el.getRange === 'function' && el.getRange(axis); + if (range) { + const start = lookupMethod(data, axis, value - range); + const end = lookupMethod(data, axis, value + range); + return {lo: start.lo, hi: end.hi}; + } + } + } + return {lo: 0, hi: data.length - 1}; +} +function optimizedEvaluateItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for (let i = 0, ilen = metasets.length; i < ilen; ++i) { + const {index, data} = metasets[i]; + const {lo, hi} = binarySearch(metasets[i], axis, value, intersect); + for (let j = lo; j <= hi; ++j) { + const element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} +function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf('x') !== -1; + const useY = axis.indexOf('y') !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} +function getIntersectItems(chart, position, axis, useFinalPosition) { + const items = []; + if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index) { + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({element, datasetIndex, index}); + } + }; + optimizedEvaluateItems(chart, axis, position, evaluationFunc, true); + return items; +} +function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index) { + const {startAngle, endAngle} = element.getProps(['startAngle', 'endAngle'], useFinalPosition); + const {angle} = getAngleFromPoint(element, {x: position.x, y: position.y}); + if (_angleBetween(angle, startAngle, endAngle)) { + items.push({element, datasetIndex, index}); + } + } + optimizedEvaluateItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index) { + const inRange = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = _isPointInArea(center, chart.chartArea, chart._minPadding); + if (!pointInArea && !inRange) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [{element, datasetIndex, index}]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({element, datasetIndex, index}); + } + } + optimizedEvaluateItems(chart, axis, position, evaluationFunc); + return items; +} +function getNearestItems(chart, position, axis, intersect, useFinalPosition) { + if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { + return []; + } + return axis === 'r' && !intersect + ? getNearestRadialItems(chart, position, axis, useFinalPosition) + : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition); +} +function getAxisItems(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const items = []; + const axis = options.axis; + const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; + let intersectsItem = false; + evaluateAllVisibleItems(chart, (element, datasetIndex, index) => { + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({element, datasetIndex, index}); + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + intersectsItem = true; + } + }); + if (options.intersect && !intersectsItem) { + return []; + } + return items; +} +var Interaction = { + modes: { + index(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'x'; + const items = options.intersect + ? getIntersectItems(chart, position, axis, useFinalPosition) + : getNearestItems(chart, position, axis, false, useFinalPosition); + const elements = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta) => { + const index = items[0].index; + const element = meta.data[index]; + if (element && !element.skip) { + elements.push({element, datasetIndex: meta.index, index}); + } + }); + return elements; + }, + dataset(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + let items = options.intersect + ? getIntersectItems(chart, position, axis, useFinalPosition) : + getNearestItems(chart, position, axis, false, useFinalPosition); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data = chart.getDatasetMeta(datasetIndex).data; + items = []; + for (let i = 0; i < data.length; ++i) { + items.push({element: data[i], datasetIndex, index: i}); + } + } + return items; + }, + point(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + return getIntersectItems(chart, position, axis, useFinalPosition); + }, + nearest(chart, e, options, useFinalPosition) { + const position = getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition); + }, + x(chart, e, options, useFinalPosition) { + return getAxisItems(chart, e, {axis: 'x', intersect: options.intersect}, useFinalPosition); + }, + y(chart, e, options, useFinalPosition) { + return getAxisItems(chart, e, {axis: 'y', intersect: options.intersect}, useFinalPosition); + } + } +}; + +const LINE_HEIGHT = new RegExp(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); +const FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/); +function toLineHeight(value, size) { + const matches = ('' + value).match(LINE_HEIGHT); + if (!matches || matches[1] === 'normal') { + return size * 1.2; + } + value = +matches[2]; + switch (matches[3]) { + case 'px': + return value; + case '%': + value /= 100; + break; + } + return size * value; +} +const numberOrZero = v => +v || 0; +function _readValueToProps(value, props) { + const ret = {}; + const objProps = isObject(props); + const keys = objProps ? Object.keys(props) : props; + const read = isObject(value) + ? objProps + ? prop => valueOrDefault(value[prop], value[props[prop]]) + : prop => value[prop] + : () => value; + for (const prop of keys) { + ret[prop] = numberOrZero(read(prop)); + } + return ret; +} +function toTRBL(value) { + return _readValueToProps(value, {top: 'y', right: 'x', bottom: 'y', left: 'x'}); +} +function toTRBLCorners(value) { + return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']); +} +function toPadding(value) { + const obj = toTRBL(value); + obj.width = obj.left + obj.right; + obj.height = obj.top + obj.bottom; + return obj; +} +function toFont(options, fallback) { + options = options || {}; + fallback = fallback || defaults.font; + let size = valueOrDefault(options.size, fallback.size); + if (typeof size === 'string') { + size = parseInt(size, 10); + } + let style = valueOrDefault(options.style, fallback.style); + if (style && !('' + style).match(FONT_STYLE)) { + console.warn('Invalid font style specified: "' + style + '"'); + style = ''; + } + const font = { + family: valueOrDefault(options.family, fallback.family), + lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), + size, + style, + weight: valueOrDefault(options.weight, fallback.weight), + string: '' + }; + font.string = toFontString(font); + return font; +} +function resolve(inputs, context, index, info) { + let cacheable = true; + let i, ilen, value; + for (i = 0, ilen = inputs.length; i < ilen; ++i) { + value = inputs[i]; + if (value === undefined) { + continue; + } + if (context !== undefined && typeof value === 'function') { + value = value(context); + cacheable = false; + } + if (index !== undefined && isArray(value)) { + value = value[index % value.length]; + cacheable = false; + } + if (value !== undefined) { + if (info && !cacheable) { + info.cacheable = false; + } + return value; + } + } +} +function _addGrace(minmax, grace, beginAtZero) { + const {min, max} = minmax; + const change = toDimension(grace, (max - min) / 2); + const keepZero = (value, add) => beginAtZero && value === 0 ? 0 : value + add; + return { + min: keepZero(min, -Math.abs(change)), + max: keepZero(max, change) + }; +} +function createContext(parentContext, context) { + return Object.assign(Object.create(parentContext), context); +} + +const STATIC_POSITIONS = ['left', 'top', 'right', 'bottom']; +function filterByPosition(array, position) { + return array.filter(v => v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b) => { + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? + v0.index - v1.index : + v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { + box = boxes[i]; + ({position: pos, options: {stack, stackWeight = 1}} = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && (pos + stack), + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts) { + const stacks = {}; + for (const wrap of layouts) { + const {stack, pos, stackWeight} = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0}); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} +function setLayoutDims(layouts, params) { + const stacks = buildStacks(layouts); + const {vBoxMaxWidth, hBoxMaxHeight} = params; + let i, ilen, layout; + for (i = 0, ilen = layouts.length; i < ilen; ++i) { + layout = layouts[i]; + const {fullSize} = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const {pos, box} = layout; + const maxPadding = chartArea.maxPadding; + if (!isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || {size: 0, count: 1}; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal + ? {same: widthChanged, other: heightChanged} + : {same: heightChanged, other: widthChanged}; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions) { + const margin = {left: 0, top: 0, right: 0, bottom: 0}; + positions.forEach((pos) => { + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal + ? marginForPositions(['left', 'right']) + : marginForPositions(['top', 'bottom']); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) { + layout = boxes[i]; + box = layout.box; + box.update( + layout.width || chartArea.w, + layout.height || chartArea.h, + getMargins(layout.horizontal, chartArea) + ); + const {same, other} = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let {x, y} = chartArea; + for (const layout of boxes) { + const box = layout.box; + const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1}; + const weight = (layout.stackWeight / stack.weight) || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +defaults.set('layout', { + autoPadding: true, + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } +}); +var layouts = { + addBox(chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [{ + z: 0, + draw(chartArea) { + item.draw(chartArea); + } + }]; + }; + chart.boxes.push(item); + }, + removeBox(chart, layoutItem) { + const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + configure(chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update(chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + each(chart.boxes, box => { + if (typeof box.beforeLayout === 'function') { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) => + wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w, + }; + each(boxes.chartArea, (layout) => { + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, {left: 0, top: 0, right: 0, bottom: 0}); + }); + } +}; + +function _createResolver(scopes, prefixes = [''], rootScopes = scopes, fallback, getTarget = () => scopes[0]) { + if (!defined(fallback)) { + fallback = _resolve('_fallback', scopes); + } + const cache = { + [Symbol.toStringTag]: 'Object', + _cacheable: true, + _scopes: scopes, + _rootScopes: rootScopes, + _fallback: fallback, + _getTarget: getTarget, + override: (scope) => _createResolver([scope, ...scopes], prefixes, rootScopes, fallback), + }; + return new Proxy(cache, { + deleteProperty(target, prop) { + delete target[prop]; + delete target._keys; + delete scopes[0][prop]; + return true; + }, + get(target, prop) { + return _cached(target, prop, + () => _resolveWithPrefixes(prop, prefixes, scopes, target)); + }, + getOwnPropertyDescriptor(target, prop) { + return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); + }, + getPrototypeOf() { + return Reflect.getPrototypeOf(scopes[0]); + }, + has(target, prop) { + return getKeysFromAllScopes(target).includes(prop); + }, + ownKeys(target) { + return getKeysFromAllScopes(target); + }, + set(target, prop, value) { + const storage = target._storage || (target._storage = getTarget()); + target[prop] = storage[prop] = value; + delete target._keys; + return true; + } + }); +} +function _attachContext(proxy, context, subProxy, descriptorDefaults) { + const cache = { + _cacheable: false, + _proxy: proxy, + _context: context, + _subProxy: subProxy, + _stack: new Set(), + _descriptors: _descriptors(proxy, descriptorDefaults), + setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults), + override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) + }; + return new Proxy(cache, { + deleteProperty(target, prop) { + delete target[prop]; + delete proxy[prop]; + return true; + }, + get(target, prop, receiver) { + return _cached(target, prop, + () => _resolveWithContext(target, prop, receiver)); + }, + getOwnPropertyDescriptor(target, prop) { + return target._descriptors.allKeys + ? Reflect.has(proxy, prop) ? {enumerable: true, configurable: true} : undefined + : Reflect.getOwnPropertyDescriptor(proxy, prop); + }, + getPrototypeOf() { + return Reflect.getPrototypeOf(proxy); + }, + has(target, prop) { + return Reflect.has(proxy, prop); + }, + ownKeys() { + return Reflect.ownKeys(proxy); + }, + set(target, prop, value) { + proxy[prop] = value; + delete target[prop]; + return true; + } + }); +} +function _descriptors(proxy, defaults = {scriptable: true, indexable: true}) { + const {_scriptable = defaults.scriptable, _indexable = defaults.indexable, _allKeys = defaults.allKeys} = proxy; + return { + allKeys: _allKeys, + scriptable: _scriptable, + indexable: _indexable, + isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable, + isIndexable: isFunction(_indexable) ? _indexable : () => _indexable + }; +} +const readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name; +const needsSubResolver = (prop, value) => isObject(value) && prop !== 'adapters' && + (Object.getPrototypeOf(value) === null || value.constructor === Object); +function _cached(target, prop, resolve) { + if (Object.prototype.hasOwnProperty.call(target, prop)) { + return target[prop]; + } + const value = resolve(); + target[prop] = value; + return value; +} +function _resolveWithContext(target, prop, receiver) { + const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; + let value = _proxy[prop]; + if (isFunction(value) && descriptors.isScriptable(prop)) { + value = _resolveScriptable(prop, value, target, receiver); + } + if (isArray(value) && value.length) { + value = _resolveArray(prop, value, target, descriptors.isIndexable); + } + if (needsSubResolver(prop, value)) { + value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors); + } + return value; +} +function _resolveScriptable(prop, value, target, receiver) { + const {_proxy, _context, _subProxy, _stack} = target; + if (_stack.has(prop)) { + throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop); + } + _stack.add(prop); + value = value(_context, _subProxy || receiver); + _stack.delete(prop); + if (needsSubResolver(prop, value)) { + value = createSubResolver(_proxy._scopes, _proxy, prop, value); + } + return value; +} +function _resolveArray(prop, value, target, isIndexable) { + const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; + if (defined(_context.index) && isIndexable(prop)) { + value = value[_context.index % value.length]; + } else if (isObject(value[0])) { + const arr = value; + const scopes = _proxy._scopes.filter(s => s !== arr); + value = []; + for (const item of arr) { + const resolver = createSubResolver(scopes, _proxy, prop, item); + value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors)); + } + } + return value; +} +function resolveFallback(fallback, prop, value) { + return isFunction(fallback) ? fallback(prop, value) : fallback; +} +const getScope = (key, parent) => key === true ? parent + : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined; +function addScopes(set, parentScopes, key, parentFallback, value) { + for (const parent of parentScopes) { + const scope = getScope(key, parent); + if (scope) { + set.add(scope); + const fallback = resolveFallback(scope._fallback, key, value); + if (defined(fallback) && fallback !== key && fallback !== parentFallback) { + return fallback; + } + } else if (scope === false && defined(parentFallback) && key !== parentFallback) { + return null; + } + } + return false; +} +function createSubResolver(parentScopes, resolver, prop, value) { + const rootScopes = resolver._rootScopes; + const fallback = resolveFallback(resolver._fallback, prop, value); + const allScopes = [...parentScopes, ...rootScopes]; + const set = new Set(); + set.add(value); + let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value); + if (key === null) { + return false; + } + if (defined(fallback) && fallback !== prop) { + key = addScopesFromKey(set, allScopes, fallback, key, value); + if (key === null) { + return false; + } + } + return _createResolver(Array.from(set), [''], rootScopes, fallback, + () => subGetTarget(resolver, prop, value)); +} +function addScopesFromKey(set, allScopes, key, fallback, item) { + while (key) { + key = addScopes(set, allScopes, key, fallback, item); + } + return key; +} +function subGetTarget(resolver, prop, value) { + const parent = resolver._getTarget(); + if (!(prop in parent)) { + parent[prop] = {}; + } + const target = parent[prop]; + if (isArray(target) && isObject(value)) { + return value; + } + return target; +} +function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { + let value; + for (const prefix of prefixes) { + value = _resolve(readKey(prefix, prop), scopes); + if (defined(value)) { + return needsSubResolver(prop, value) + ? createSubResolver(scopes, proxy, prop, value) + : value; + } + } +} +function _resolve(key, scopes) { + for (const scope of scopes) { + if (!scope) { + continue; + } + const value = scope[key]; + if (defined(value)) { + return value; + } + } +} +function getKeysFromAllScopes(target) { + let keys = target._keys; + if (!keys) { + keys = target._keys = resolveKeysFromAllScopes(target._scopes); + } + return keys; +} +function resolveKeysFromAllScopes(scopes) { + const set = new Set(); + for (const scope of scopes) { + for (const key of Object.keys(scope).filter(k => !k.startsWith('_'))) { + set.add(key); + } + } + return Array.from(set); +} + +const EPSILON = Number.EPSILON || 1e-14; +const getPoint = (points, i) => i < points.length && !points[i].skip && points[i]; +const getValueAxis = (indexAxis) => indexAxis === 'x' ? 'y' : 'x'; +function splineCurve(firstPoint, middlePoint, afterPoint, t) { + const previous = firstPoint.skip ? middlePoint : firstPoint; + const current = middlePoint; + const next = afterPoint.skip ? middlePoint : afterPoint; + const d01 = distanceBetweenPoints(current, previous); + const d12 = distanceBetweenPoints(next, current); + let s01 = d01 / (d01 + d12); + let s12 = d12 / (d01 + d12); + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + const fa = t * s01; + const fb = t * s12; + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; +} +function monotoneAdjust(points, deltaK, mK) { + const pointsLen = points.length; + let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; + let pointAfter = getPoint(points, 0); + for (let i = 0; i < pointsLen - 1; ++i) { + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent || !pointAfter) { + continue; + } + if (almostEquals(deltaK[i], 0, EPSILON)) { + mK[i] = mK[i + 1] = 0; + continue; + } + alphaK = mK[i] / deltaK[i]; + betaK = mK[i + 1] / deltaK[i]; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + tauK = 3 / Math.sqrt(squaredMagnitude); + mK[i] = alphaK * tauK * deltaK[i]; + mK[i + 1] = betaK * tauK * deltaK[i]; + } +} +function monotoneCompute(points, mK, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + let delta, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for (let i = 0; i < pointsLen; ++i) { + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + const iPixel = pointCurrent[indexAxis]; + const vPixel = pointCurrent[valueAxis]; + if (pointBefore) { + delta = (iPixel - pointBefore[indexAxis]) / 3; + pointCurrent[`cp1${indexAxis}`] = iPixel - delta; + pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; + } + if (pointAfter) { + delta = (pointAfter[indexAxis] - iPixel) / 3; + pointCurrent[`cp2${indexAxis}`] = iPixel + delta; + pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; + } + } +} +function splineCurveMonotone(points, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + const deltaK = Array(pointsLen).fill(0); + const mK = Array(pointsLen); + let i, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for (i = 0; i < pointsLen; ++i) { + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + if (pointAfter) { + const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; + deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; + } + mK[i] = !pointBefore ? deltaK[i] + : !pointAfter ? deltaK[i - 1] + : (sign(deltaK[i - 1]) !== sign(deltaK[i])) ? 0 + : (deltaK[i - 1] + deltaK[i]) / 2; + } + monotoneAdjust(points, deltaK, mK); + monotoneCompute(points, mK, indexAxis); +} +function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); +} +function capBezierPoints(points, area) { + let i, ilen, point, inArea, inAreaPrev; + let inAreaNext = _isPointInArea(points[0], area); + for (i = 0, ilen = points.length; i < ilen; ++i) { + inAreaPrev = inArea; + inArea = inAreaNext; + inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); + if (!inArea) { + continue; + } + point = points[i]; + if (inAreaPrev) { + point.cp1x = capControlPoint(point.cp1x, area.left, area.right); + point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); + } + if (inAreaNext) { + point.cp2x = capControlPoint(point.cp2x, area.left, area.right); + point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); + } + } +} +function _updateBezierControlPoints(points, options, area, loop, indexAxis) { + let i, ilen, point, controlPoints; + if (options.spanGaps) { + points = points.filter((pt) => !pt.skip); + } + if (options.cubicInterpolationMode === 'monotone') { + splineCurveMonotone(points, indexAxis); + } else { + let prev = loop ? points[points.length - 1] : points[0]; + for (i = 0, ilen = points.length; i < ilen; ++i) { + point = points[i]; + controlPoints = splineCurve( + prev, + point, + points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], + options.tension + ); + point.cp1x = controlPoints.previous.x; + point.cp1y = controlPoints.previous.y; + point.cp2x = controlPoints.next.x; + point.cp2y = controlPoints.next.y; + prev = point; + } + } + if (options.capBezierPoints) { + capBezierPoints(points, area); + } +} + +const atEdge = (t) => t === 0 || t === 1; +const elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); +const elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; +const effects = { + linear: t => t, + easeInQuad: t => t * t, + easeOutQuad: t => -t * (t - 2), + easeInOutQuad: t => ((t /= 0.5) < 1) + ? 0.5 * t * t + : -0.5 * ((--t) * (t - 2) - 1), + easeInCubic: t => t * t * t, + easeOutCubic: t => (t -= 1) * t * t + 1, + easeInOutCubic: t => ((t /= 0.5) < 1) + ? 0.5 * t * t * t + : 0.5 * ((t -= 2) * t * t + 2), + easeInQuart: t => t * t * t * t, + easeOutQuart: t => -((t -= 1) * t * t * t - 1), + easeInOutQuart: t => ((t /= 0.5) < 1) + ? 0.5 * t * t * t * t + : -0.5 * ((t -= 2) * t * t * t - 2), + easeInQuint: t => t * t * t * t * t, + easeOutQuint: t => (t -= 1) * t * t * t * t + 1, + easeInOutQuint: t => ((t /= 0.5) < 1) + ? 0.5 * t * t * t * t * t + : 0.5 * ((t -= 2) * t * t * t * t + 2), + easeInSine: t => -Math.cos(t * HALF_PI) + 1, + easeOutSine: t => Math.sin(t * HALF_PI), + easeInOutSine: t => -0.5 * (Math.cos(PI * t) - 1), + easeInExpo: t => (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)), + easeOutExpo: t => (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1, + easeInOutExpo: t => atEdge(t) ? t : t < 0.5 + ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) + : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), + easeInCirc: t => (t >= 1) ? t : -(Math.sqrt(1 - t * t) - 1), + easeOutCirc: t => Math.sqrt(1 - (t -= 1) * t), + easeInOutCirc: t => ((t /= 0.5) < 1) + ? -0.5 * (Math.sqrt(1 - t * t) - 1) + : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), + easeInElastic: t => atEdge(t) ? t : elasticIn(t, 0.075, 0.3), + easeOutElastic: t => atEdge(t) ? t : elasticOut(t, 0.075, 0.3), + easeInOutElastic(t) { + const s = 0.1125; + const p = 0.45; + return atEdge(t) ? t : + t < 0.5 + ? 0.5 * elasticIn(t * 2, s, p) + : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); + }, + easeInBack(t) { + const s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + easeOutBack(t) { + const s = 1.70158; + return (t -= 1) * t * ((s + 1) * t + s) + 1; + }, + easeInOutBack(t) { + let s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + easeInBounce: t => 1 - effects.easeOutBounce(1 - t), + easeOutBounce(t) { + const m = 7.5625; + const d = 2.75; + if (t < (1 / d)) { + return m * t * t; + } + if (t < (2 / d)) { + return m * (t -= (1.5 / d)) * t + 0.75; + } + if (t < (2.5 / d)) { + return m * (t -= (2.25 / d)) * t + 0.9375; + } + return m * (t -= (2.625 / d)) * t + 0.984375; + }, + easeInOutBounce: t => (t < 0.5) + ? effects.easeInBounce(t * 2) * 0.5 + : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5, +}; + +function _pointInLine(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: p1.y + t * (p2.y - p1.y) + }; +} +function _steppedInterpolation(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y + : mode === 'after' ? t < 1 ? p1.y : p2.y + : t > 0 ? p2.y : p1.y + }; +} +function _bezierInterpolation(p1, p2, t, mode) { + const cp1 = {x: p1.cp2x, y: p1.cp2y}; + const cp2 = {x: p2.cp1x, y: p2.cp1y}; + const a = _pointInLine(p1, cp1, t); + const b = _pointInLine(cp1, cp2, t); + const c = _pointInLine(cp2, p2, t); + const d = _pointInLine(a, b, t); + const e = _pointInLine(b, c, t); + return _pointInLine(d, e, t); +} + +const intlCache = new Map(); +function getNumberFormat(locale, options) { + options = options || {}; + const cacheKey = locale + JSON.stringify(options); + let formatter = intlCache.get(cacheKey); + if (!formatter) { + formatter = new Intl.NumberFormat(locale, options); + intlCache.set(cacheKey, formatter); + } + return formatter; +} +function formatNumber(num, locale, options) { + return getNumberFormat(locale, options).format(num); +} + +const getRightToLeftAdapter = function(rectX, width) { + return { + x(x) { + return rectX + rectX + width - x; + }, + setWidth(w) { + width = w; + }, + textAlign(align) { + if (align === 'center') { + return align; + } + return align === 'right' ? 'left' : 'right'; + }, + xPlus(x, value) { + return x - value; + }, + leftForLtr(x, itemWidth) { + return x - itemWidth; + }, + }; +}; +const getLeftToRightAdapter = function() { + return { + x(x) { + return x; + }, + setWidth(w) { + }, + textAlign(align) { + return align; + }, + xPlus(x, value) { + return x + value; + }, + leftForLtr(x, _itemWidth) { + return x; + }, + }; +}; +function getRtlAdapter(rtl, rectX, width) { + return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); +} +function overrideTextDirection(ctx, direction) { + let style, original; + if (direction === 'ltr' || direction === 'rtl') { + style = ctx.canvas.style; + original = [ + style.getPropertyValue('direction'), + style.getPropertyPriority('direction'), + ]; + style.setProperty('direction', direction, 'important'); + ctx.prevTextDirection = original; + } +} +function restoreTextDirection(ctx, original) { + if (original !== undefined) { + delete ctx.prevTextDirection; + ctx.canvas.style.setProperty('direction', original[0], original[1]); + } +} + +function propertyFn(property) { + if (property === 'angle') { + return { + between: _angleBetween, + compare: _angleDiff, + normalize: _normalizeAngle, + }; + } + return { + between: _isBetween, + compare: (a, b) => a - b, + normalize: x => x + }; +} +function normalizeSegment({start, end, count, loop, style}) { + return { + start: start % count, + end: end % count, + loop: loop && (end - start + 1) % count === 0, + style + }; +} +function getSegment(segment, points, bounds) { + const {property, start: startBound, end: endBound} = bounds; + const {between, normalize} = propertyFn(property); + const count = points.length; + let {start, end, loop} = segment; + let i, ilen; + if (loop) { + start += count; + end += count; + for (i = 0, ilen = count; i < ilen; ++i) { + if (!between(normalize(points[start % count][property]), startBound, endBound)) { + break; + } + start--; + end--; + } + start %= count; + end %= count; + } + if (end < start) { + end += count; + } + return {start, end, loop, style: segment.style}; +} +function _boundSegment(segment, points, bounds) { + if (!bounds) { + return [segment]; + } + const {property, start: startBound, end: endBound} = bounds; + const count = points.length; + const {compare, between, normalize} = propertyFn(property); + const {start, end, loop, style} = getSegment(segment, points, bounds); + const result = []; + let inside = false; + let subStart = null; + let value, point, prevValue; + const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; + const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value); + const shouldStart = () => inside || startIsBefore(); + const shouldStop = () => !inside || endIsBefore(); + for (let i = start, prev = start; i <= end; ++i) { + point = points[i % count]; + if (point.skip) { + continue; + } + value = normalize(point[property]); + if (value === prevValue) { + continue; + } + inside = between(value, startBound, endBound); + if (subStart === null && shouldStart()) { + subStart = compare(value, startBound) === 0 ? i : prev; + } + if (subStart !== null && shouldStop()) { + result.push(normalizeSegment({start: subStart, end: i, loop, count, style})); + subStart = null; + } + prev = i; + prevValue = value; + } + if (subStart !== null) { + result.push(normalizeSegment({start: subStart, end, loop, count, style})); + } + return result; +} +function _boundSegments(line, bounds) { + const result = []; + const segments = line.segments; + for (let i = 0; i < segments.length; i++) { + const sub = _boundSegment(segments[i], line.points, bounds); + if (sub.length) { + result.push(...sub); + } + } + return result; +} +function findStartAndEnd(points, count, loop, spanGaps) { + let start = 0; + let end = count - 1; + if (loop && !spanGaps) { + while (start < count && !points[start].skip) { + start++; + } + } + while (start < count && points[start].skip) { + start++; + } + start %= count; + if (loop) { + end += start; + } + while (end > start && points[end % count].skip) { + end--; + } + end %= count; + return {start, end}; +} +function solidSegments(points, start, max, loop) { + const count = points.length; + const result = []; + let last = start; + let prev = points[start]; + let end; + for (end = start + 1; end <= max; ++end) { + const cur = points[end % count]; + if (cur.skip || cur.stop) { + if (!prev.skip) { + loop = false; + result.push({start: start % count, end: (end - 1) % count, loop}); + start = last = cur.stop ? end : null; + } + } else { + last = end; + if (prev.skip) { + start = end; + } + } + prev = cur; + } + if (last !== null) { + result.push({start: start % count, end: last % count, loop}); + } + return result; +} +function _computeSegments(line, segmentOptions) { + const points = line.points; + const spanGaps = line.options.spanGaps; + const count = points.length; + if (!count) { + return []; + } + const loop = !!line._loop; + const {start, end} = findStartAndEnd(points, count, loop, spanGaps); + if (spanGaps === true) { + return splitByStyles(line, [{start, end, loop}], points, segmentOptions); + } + const max = end < start ? end + count : end; + const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; + return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); +} +function splitByStyles(line, segments, points, segmentOptions) { + if (!segmentOptions || !segmentOptions.setContext || !points) { + return segments; + } + return doSplitByStyles(line, segments, points, segmentOptions); +} +function doSplitByStyles(line, segments, points, segmentOptions) { + const chartContext = line._chart.getContext(); + const baseStyle = readStyle(line.options); + const {_datasetIndex: datasetIndex, options: {spanGaps}} = line; + const count = points.length; + const result = []; + let prevStyle = baseStyle; + let start = segments[0].start; + let i = start; + function addStyle(s, e, l, st) { + const dir = spanGaps ? -1 : 1; + if (s === e) { + return; + } + s += count; + while (points[s % count].skip) { + s -= dir; + } + while (points[e % count].skip) { + e += dir; + } + if (s % count !== e % count) { + result.push({start: s % count, end: e % count, loop: l, style: st}); + prevStyle = st; + start = e % count; + } + } + for (const segment of segments) { + start = spanGaps ? start : segment.start; + let prev = points[start % count]; + let style; + for (i = start + 1; i <= segment.end; i++) { + const pt = points[i % count]; + style = readStyle(segmentOptions.setContext(createContext(chartContext, { + type: 'segment', + p0: prev, + p1: pt, + p0DataIndex: (i - 1) % count, + p1DataIndex: i % count, + datasetIndex + }))); + if (styleChanged(style, prevStyle)) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + prev = pt; + prevStyle = style; + } + if (start < i - 1) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + } + return result; +} +function readStyle(options) { + return { + backgroundColor: options.backgroundColor, + borderCapStyle: options.borderCapStyle, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderJoinStyle: options.borderJoinStyle, + borderWidth: options.borderWidth, + borderColor: options.borderColor + }; +} +function styleChanged(style, prevStyle) { + return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle); +} + +var helpers = /*#__PURE__*/Object.freeze({ +__proto__: null, +easingEffects: effects, +color: color, +getHoverColor: getHoverColor, +noop: noop, +uid: uid, +isNullOrUndef: isNullOrUndef, +isArray: isArray, +isObject: isObject, +isFinite: isNumberFinite, +finiteOrDefault: finiteOrDefault, +valueOrDefault: valueOrDefault, +toPercentage: toPercentage, +toDimension: toDimension, +callback: callback, +each: each, +_elementsEqual: _elementsEqual, +clone: clone, +_merger: _merger, +merge: merge, +mergeIf: mergeIf, +_mergerIf: _mergerIf, +_deprecated: _deprecated, +resolveObjectKey: resolveObjectKey, +_capitalize: _capitalize, +defined: defined, +isFunction: isFunction, +setsEqual: setsEqual, +_isClickEvent: _isClickEvent, +toFontString: toFontString, +_measureText: _measureText, +_longestText: _longestText, +_alignPixel: _alignPixel, +clearCanvas: clearCanvas, +drawPoint: drawPoint, +_isPointInArea: _isPointInArea, +clipArea: clipArea, +unclipArea: unclipArea, +_steppedLineTo: _steppedLineTo, +_bezierCurveTo: _bezierCurveTo, +renderText: renderText, +addRoundedRectPath: addRoundedRectPath, +_lookup: _lookup, +_lookupByKey: _lookupByKey, +_rlookupByKey: _rlookupByKey, +_filterBetween: _filterBetween, +listenArrayEvents: listenArrayEvents, +unlistenArrayEvents: unlistenArrayEvents, +_arrayUnique: _arrayUnique, +_createResolver: _createResolver, +_attachContext: _attachContext, +_descriptors: _descriptors, +splineCurve: splineCurve, +splineCurveMonotone: splineCurveMonotone, +_updateBezierControlPoints: _updateBezierControlPoints, +_isDomSupported: _isDomSupported, +_getParentNode: _getParentNode, +getStyle: getStyle, +getRelativePosition: getRelativePosition$1, +getMaximumSize: getMaximumSize, +retinaScale: retinaScale, +supportsEventListenerOptions: supportsEventListenerOptions, +readUsedSize: readUsedSize, +fontString: fontString, +requestAnimFrame: requestAnimFrame, +throttled: throttled, +debounce: debounce, +_toLeftRightCenter: _toLeftRightCenter, +_alignStartEnd: _alignStartEnd, +_textX: _textX, +_pointInLine: _pointInLine, +_steppedInterpolation: _steppedInterpolation, +_bezierInterpolation: _bezierInterpolation, +formatNumber: formatNumber, +toLineHeight: toLineHeight, +_readValueToProps: _readValueToProps, +toTRBL: toTRBL, +toTRBLCorners: toTRBLCorners, +toPadding: toPadding, +toFont: toFont, +resolve: resolve, +_addGrace: _addGrace, +createContext: createContext, +PI: PI, +TAU: TAU, +PITAU: PITAU, +INFINITY: INFINITY, +RAD_PER_DEG: RAD_PER_DEG, +HALF_PI: HALF_PI, +QUARTER_PI: QUARTER_PI, +TWO_THIRDS_PI: TWO_THIRDS_PI, +log10: log10, +sign: sign, +niceNum: niceNum, +_factorize: _factorize, +isNumber: isNumber, +almostEquals: almostEquals, +almostWhole: almostWhole, +_setMinAndMaxByKey: _setMinAndMaxByKey, +toRadians: toRadians, +toDegrees: toDegrees, +_decimalPlaces: _decimalPlaces, +getAngleFromPoint: getAngleFromPoint, +distanceBetweenPoints: distanceBetweenPoints, +_angleDiff: _angleDiff, +_normalizeAngle: _normalizeAngle, +_angleBetween: _angleBetween, +_limitValue: _limitValue, +_int16Range: _int16Range, +_isBetween: _isBetween, +getRtlAdapter: getRtlAdapter, +overrideTextDirection: overrideTextDirection, +restoreTextDirection: restoreTextDirection, +_boundSegment: _boundSegment, +_boundSegments: _boundSegments, +_computeSegments: _computeSegments +}); + +class BasePlatform { + acquireContext(canvas, aspectRatio) {} + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) {} + removeEventListener(chart, type, listener) {} + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +} + +class BasicPlatform extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext('2d') || null; + } + updateConfig(config) { + config.options.animation = false; + } +} + +const EXPANDO_KEY = '$chartjs'; +const EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; +const isNullOrEmpty = value => value === null || value === ''; +function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute('height'); + const renderWidth = canvas.getAttribute('width'); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || 'block'; + style.boxSizing = style.boxSizing || 'border-box'; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === '') { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = readUsedSize(canvas, 'height'); + if (displayHeight !== undefined) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +const eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const {x, y} = getRelativePosition$1(event, chart); + return { + type, + chart, + native: event, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null, + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList) { + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver(entries => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, {childList: true, subtree: true}); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver(entries => { + let trigger = false; + for (const entry of entries) { + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, {childList: true, subtree: true}); + return observer; +} +const drpListeningCharts = new Map(); +let oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart) => { + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener('resize', onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener('resize', onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && _getParentNode(canvas); + if (!container) { + return; + } + const resize = throttled((width, height) => { + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver(entries => { + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === 'resize') { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = throttled((event) => { + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart, (args) => { + const event = args[0]; + return [event, event.offsetX, event.offsetY]; + }); + addListener(canvas, type, proxy); + return proxy; +} +class DomPlatform extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext('2d'); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + ['height', 'width'].forEach((prop) => { + const value = initial[prop]; + if (isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key) => { + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = undefined; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = _getParentNode(canvas); + return !!(container && container.isConnected); + } +} + +function _detectPlatform(canvas) { + if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) { + return BasicPlatform; + } + return DomPlatform; +} + +var platforms = /*#__PURE__*/Object.freeze({ +__proto__: null, +_detectPlatform: _detectPlatform, +BasePlatform: BasePlatform, +BasicPlatform: BasicPlatform, +DomPlatform: DomPlatform +}); + +const transparent = 'transparent'; +const interpolators = { + boolean(from, to, factor) { + return factor > 0.5 ? to : from; + }, + color(from, to, factor) { + const c0 = color(from || transparent); + const c1 = c0.valid && color(to || transparent); + return c1 && c1.valid + ? c1.mix(c0, factor).hexString() + : to; + }, + number(from, to, factor) { + return from + (to - from) * factor; + } +}; +class Animation { + constructor(cfg, target, prop, to) { + const currentValue = target[prop]; + to = resolve([cfg.to, to, currentValue, cfg.from]); + const from = resolve([cfg.from, currentValue, to]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from]; + this._easing = effects[cfg.easing] || effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from; + this._to = to; + this._promises = undefined; + } + active() { + return this._active; + } + update(cfg, to, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = resolve([cfg.to, to, currentValue, cfg.from]); + this._from = resolve([cfg.from, currentValue, to]); + } + } + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } + } + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from = this._from; + const loop = this._loop; + const to = this._to; + let factor; + this._active = from !== to && (loop || (elapsed < duration)); + if (!this._active) { + this._target[prop] = to; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from; + return; + } + factor = (elapsed / duration) % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from, to, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej) => { + promises.push({res, rej}); + }); + } + _notify(resolved) { + const method = resolved ? 'res' : 'rej'; + const promises = this._promises || []; + for (let i = 0; i < promises.length; i++) { + promises[i][method](); + } + } +} + +const numbers = ['x', 'y', 'borderWidth', 'radius', 'tension']; +const colors = ['color', 'borderColor', 'backgroundColor']; +defaults.set('animation', { + delay: undefined, + duration: 1000, + easing: 'easeOutQuart', + fn: undefined, + from: undefined, + loop: undefined, + to: undefined, + type: undefined, +}); +const animationOptions = Object.keys(defaults.animation); +defaults.describe('animation', { + _fallback: false, + _indexable: false, + _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn', +}); +defaults.set('animations', { + colors: { + type: 'color', + properties: colors + }, + numbers: { + type: 'number', + properties: numbers + }, +}); +defaults.describe('animations', { + _fallback: 'animation', +}); +defaults.set('transitions', { + active: { + animation: { + duration: 400 + } + }, + resize: { + animation: { + duration: 0 + } + }, + show: { + animations: { + colors: { + from: 'transparent' + }, + visible: { + type: 'boolean', + duration: 0 + }, + } + }, + hide: { + animations: { + colors: { + to: 'transparent' + }, + visible: { + type: 'boolean', + easing: 'linear', + fn: v => v | 0 + }, + } + } +}); +class Animations { + constructor(chart, config) { + this._chart = chart; + this._properties = new Map(); + this.configure(config); + } + configure(config) { + if (!isObject(config)) { + return; + } + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach(key => { + const cfg = config[key]; + if (!isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions) { + resolved[option] = cfg[option]; + } + (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => { + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); + } + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; + } + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(() => { + target.options = newOptions; + }, () => { + }); + } + return animations; + } + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for (i = props.length - 1; i >= 0; --i) { + const prop = props[i]; + if (prop.charAt(0) === '$') { + continue; + } + if (prop === 'options') { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; + } + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } + } +} +function awaitAll(animations, properties) { + const running = []; + const keys = Object.keys(properties); + for (let i = 0; i < keys.length; i++) { + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } + } + return Promise.all(running); +} +function resolveTargetOptions(target, newOptions) { + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, {$shared: false, $animations: {}}); + } + return options; +} + +function scaleClip(scale, allowedOverflow) { + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === undefined ? allowedOverflow : 0; + const max = opts.max === undefined ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; +} +function defaultClip(xScale, yScale, allowedOverflow) { + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; +} +function toClip(value) { + let t, r, b, l; + if (isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; +} +function getSortedDatasetIndices(chart, filterVisible) { + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + keys.push(metasets[i].index); + } + return keys; +} +function applyStack(stack, value, dsIndex, options = {}) { + const keys = stack.keys; + const singleMode = options.mode === 'single'; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; + } + for (i = 0, ilen = keys.length; i < ilen; ++i) { + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) { + value += otherValue; + } + } + return value; +} +function convertObjectDataToArray(data) { + const keys = Object.keys(data); + const adata = new Array(keys.length); + let i, ilen, key; + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + adata[i] = { + x: key, + y: data[key] + }; + } + return adata; +} +function isStacked(scale, meta) { + const stacked = scale && scale.options.stacked; + return stacked || (stacked === undefined && meta.stack !== undefined); +} +function getStackKey(indexScale, valueScale, meta) { + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; +} +function getUserBounds(scale) { + const {min, max, minDefined, maxDefined} = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; +} +function getOrCreateStack(stacks, stackKey, indexValue) { + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); +} +function getLastIndexInStack(stack, vScale, positive, type) { + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) { + const value = stack[meta.index]; + if ((positive && value > 0) || (!positive && value < 0)) { + return meta.index; + } + } + return null; +} +function updateStacks(controller, parsed) { + const {chart, _cachedMeta: meta} = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const {iScale, vScale, index: datasetIndex} = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for (let i = 0; i < ilen; ++i) { + const item = parsed[i]; + const {[iAxis]: index, [vAxis]: value} = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + } +} +function getFirstScaleId(chart, axis) { + const scales = chart.scales; + return Object.keys(scales).filter(key => scales[key].axis === axis).shift(); +} +function createDatasetContext(parent, index) { + return createContext(parent, + { + active: false, + dataset: undefined, + datasetIndex: index, + index, + mode: 'default', + type: 'dataset' + } + ); +} +function createDataContext(parent, index, element) { + return createContext(parent, { + active: false, + dataIndex: index, + parsed: undefined, + raw: undefined, + element, + index, + mode: 'default', + type: 'data' + }); +} +function clearStacks(meta, items) { + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items) { + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { + return; + } + delete stacks[axis][datasetIndex]; + } +} +const isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none'; +const cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached); +const createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked + && {keys: getSortedDatasetIndices(chart, true), values: null}; +class DatasetController { + constructor(chart, datasetIndex) { + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = undefined; + this._parsing = false; + this._data = undefined; + this._objectData = undefined; + this._sharedOptions = undefined; + this._drawStart = undefined; + this._drawCount = undefined; + this.enableOptionSharing = false; + this.$context = undefined; + this._syncList = []; + this.initialize(); + } + initialize() { + const meta = this._cachedMeta; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + } + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); + } + this.index = datasetIndex; + } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y; + const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); + const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); + const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); + } + getDataset() { + return this.chart.data.datasets[this.index]; + } + getMeta() { + return this.chart.getDatasetMeta(this.index); + } + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; + } + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale + ? meta.vScale + : meta.iScale; + } + reset() { + this._update('reset'); + } + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + unlistenArrayEvents(this._data, this); + } + if (meta._stacked) { + clearStacks(meta); + } + } + _dataCheck() { + const dataset = this.getDataset(); + const data = dataset.data || (dataset.data = []); + const _data = this._data; + if (isObject(data)) { + this._data = convertObjectDataToArray(data); + } else if (_data !== data) { + if (_data) { + unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; + } + if (data && Object.isExtensible(data)) { + listenArrayEvents(data, this); + } + this._syncList = []; + this._data = data; + } + } + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); + } + } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } + } + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; + } + parse(start, count) { + const {_cachedMeta: meta, _data: data} = this; + const {iScale, _stacked} = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data; + meta._sorted = true; + parsed = data; + } else { + if (isArray(data[start])) { + parsed = this.parseArrayData(meta, data, start, count); + } else if (isObject(data[start])) { + parsed = this.parseObjectData(meta, data, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data, start, count); + } + const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]); + for (i = 0; i < count; ++i) { + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } + } + parsePrimitiveData(meta, data, start, count) { + const {iScale, vScale} = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index], index), + [vAxis]: vScale.parse(data[index], index) + }; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const {xScale, yScale} = meta; + const parsed = new Array(count); + let i, ilen, index, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(item[0], index), + y: yScale.parse(item[1], index) + }; + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const {xScale, yScale} = meta; + const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for (i = 0, ilen = count; i < ilen; ++i) { + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(resolveObjectKey(item, xAxisKey), index), + y: yScale.parse(resolveObjectKey(item, yAxisKey), index) + }; + } + return parsed; + } + getParsed(index) { + return this._cachedMeta._parsed[index]; + } + getDataElement(index) { + return this._cachedMeta.data[index]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis] + }; + return applyStack(stack, value, meta.index, {mode}); + } + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); + } + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY}; + const {min: otherMin, max: otherMax} = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for (i = 0; i < ilen; ++i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for (i = ilen - 1; i >= 0; --i) { + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; + } + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for (i = 0, ilen = parsed.length; i < ilen; ++i) { + value = parsed[i][scale.axis]; + if (isNumberFinite(value)) { + values.push(value); + } + } + return values; + } + getMaxOverflow() { + return false; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index); + return { + label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', + value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' + }; + } + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || 'default'); + meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); + } + update(mode) {} + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || (elements.length - start); + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for (i = start; i < start + count; ++i) { + const element = elements[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for (i = 0; i < active.length; ++i) { + active[i].draw(ctx, area); + } + } + getStyle(index, active) { + const mode = active ? 'active' : 'default'; + return index === undefined && this._cachedMeta.dataset + ? this.resolveDatasetElementOptions(mode) + : this.resolveDataElementOptions(index || 0, mode); + } + getContext(index, active, mode) { + const dataset = this.getDataset(); + let context; + if (index >= 0 && index < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index]; + context = element.$context || + (element.$context = createDataContext(this.getContext(), index, element)); + context.parsed = this.getParsed(index); + context.raw = dataset.data[index]; + context.index = context.dataIndex = index; + } else { + context = this.$context || + (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; + } + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); + } + resolveDataElementOptions(index, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index); + } + _resolveElementOptions(elementType, mode = 'default', index) { + const active = mode === 'active'; + const cache = this._cachedDataOpts; + const cacheKey = elementType + '-' + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && defined(index); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, '']; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names = Object.keys(defaults.elements[elementType]); + const context = () => this.getContext(index, active); + const values = config.resolveNamedOptions(scopes, names, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; + } + _resolveAnimations(index, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; + } + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); + } + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; + } + updateElement(element, index, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index, mode).update(element, properties); + } + } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); + } + } + _setStyle(element, index, mode, active) { + element.active = active; + const options = this.getStyle(index, active); + this._resolveAnimations(index, mode, active).update(element, { + options: (!active && this.getSharedOptions(options)) || options + }); + } + removeHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', false); + } + setHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', true); + } + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', false); + } + } + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', true); + } + } + _resyncElements(resetNewElements) { + const data = this._data; + const elements = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList) { + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements.length; + const numData = data.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } + } + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data = meta.data; + const end = start + count; + let i; + const move = (arr) => { + arr.length += count; + for (i = arr.length - 1; i >= end; i--) { + arr[i] = arr[i - count]; + } + }; + move(data); + for (i = start; i < end; ++i) { + data[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data, start, count, 'reset'); + } + } + updateElements(element, start, count, mode) {} + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); + } + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([this.index, ...args]); + } + _onDataPush() { + const count = arguments.length; + this._sync(['_insertElements', this.getDataset().data.length - count, count]); + } + _onDataPop() { + this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]); + } + _onDataShift() { + this._sync(['_removeElements', 0, 1]); + } + _onDataSplice(start, count) { + if (count) { + this._sync(['_removeElements', start, count]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync(['_insertElements', start, newCount]); + } + } + _onDataUnshift() { + this._sync(['_insertElements', 0, arguments.length]); + } +} +DatasetController.defaults = {}; +DatasetController.prototype.datasetElementType = null; +DatasetController.prototype.dataElementType = null; + +class Element { + constructor() { + this.x = undefined; + this.y = undefined; + this.active = false; + this.options = undefined; + this.$animations = undefined; + } + tooltipPosition(useFinalPosition) { + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return {x, y}; + } + hasValue() { + return isNumber(this.x) && isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + return this; + } + const ret = {}; + props.forEach(prop => { + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +} +Element.defaults = {}; +Element.defaultRoutes = undefined; + +const formatters = { + values(value) { + return isArray(value) ? value : '' + value; + }, + numeric(tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const locale = this.chart.options.locale; + let notation; + let delta = tickValue; + if (ticks.length > 1) { + const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); + if (maxTick < 1e-4 || maxTick > 1e+15) { + notation = 'scientific'; + } + delta = calculateDelta(tickValue, ticks); + } + const logDelta = log10(Math.abs(delta)); + const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); + const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal}; + Object.assign(options, this.options.ticks.format); + return formatNumber(tickValue, locale, options); + }, + logarithmic(tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue)))); + if (remain === 1 || remain === 2 || remain === 5) { + return formatters.numeric.call(this, tickValue, index, ticks); + } + return ''; + } +}; +function calculateDelta(tickValue, ticks) { + let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; + if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { + delta = tickValue - Math.floor(tickValue); + } + return delta; +} +var Ticks = {formatters}; + +defaults.set('scale', { + display: true, + offset: false, + reverse: false, + beginAtZero: false, + bounds: 'ticks', + grace: 0, + grid: { + display: true, + lineWidth: 1, + drawBorder: true, + drawOnChartArea: true, + drawTicks: true, + tickLength: 8, + tickWidth: (_ctx, options) => options.lineWidth, + tickColor: (_ctx, options) => options.color, + offset: false, + borderDash: [], + borderDashOffset: 0.0, + borderWidth: 1 + }, + title: { + display: false, + text: '', + padding: { + top: 4, + bottom: 4 + } + }, + ticks: { + minRotation: 0, + maxRotation: 50, + mirror: false, + textStrokeWidth: 0, + textStrokeColor: '', + padding: 3, + display: true, + autoSkip: true, + autoSkipPadding: 3, + labelOffset: 0, + callback: Ticks.formatters.values, + minor: {}, + major: {}, + align: 'center', + crossAlign: 'near', + showLabelBackdrop: false, + backdropColor: 'rgba(255, 255, 255, 0.75)', + backdropPadding: 2, + } +}); +defaults.route('scale.ticks', 'color', '', 'color'); +defaults.route('scale.grid', 'color', '', 'borderColor'); +defaults.route('scale.grid', 'borderColor', '', 'borderColor'); +defaults.route('scale.title', 'color', '', 'color'); +defaults.describe('scale', { + _fallback: false, + _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', + _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash', +}); +defaults.describe('scales', { + _fallback: 'scale', +}); +defaults.describe('scale.ticks', { + _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback', + _indexable: (name) => name !== 'backdropPadding', +}); + +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} +function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = _factorize(evenMajorSpacing); + for (let i = 0, ilen = factors.length - 1; i < ilen; i++) { + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} +function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (ticks[i].major) { + result.push(i); + } + } + return result; +} +function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for (i = 0; i < ticks.length; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} +function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = valueOrDefault(majorStart, 0); + const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while (next < 0) { + count++; + next = Math.round(start + count * spacing); + } + for (i = Math.max(start, 0); i < end; i++) { + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} +function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for (diff = arr[0], i = 1; i < len; ++i) { + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} + +const reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align; +const offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; +function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for (; i < len; i += increment) { + result.push(arr[Math.floor(i)]); + } + return result; +} +function getPixelForGridLine(scale, index, offsetGridLines) { + const length = scale.ticks.length; + const validIndex = Math.min(index, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; + } + lineValue += validIndex < index ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} +function garbageCollect(caches, length) { + each(caches, (cache) => { + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for (i = 0; i < gcLen; ++i) { + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} +function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} +function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = toFont(options.font, fallback); + const padding = toPadding(options.padding); + const lines = isArray(options.text) ? options.text.length : 1; + return (lines * font.lineHeight) + padding.height; +} +function createScaleContext(parent, scale) { + return createContext(parent, { + scale, + type: 'scale' + }); +} +function createTickContext(parent, index, tick) { + return createContext(parent, { + tick, + index, + type: 'tick' + }); +} +function titleAlign(align, position, reverse) { + let ret = _toLeftRightCenter(align); + if ((reverse && position !== 'right') || (!reverse && position === 'right')) { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const {top, left, bottom, right, chart} = scale; + const {chartArea, scales} = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === 'center') { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === 'center') { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = _alignStartEnd(align, bottom, top); + rotation = position === 'left' ? -HALF_PI : HALF_PI; + } + return {titleX, titleY, maxWidth, rotation}; +} +class Scale extends Element { + constructor(cfg) { + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = undefined; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = undefined; + this.maxHeight = undefined; + this.paddingTop = undefined; + this.paddingBottom = undefined; + this.paddingLeft = undefined; + this.paddingRight = undefined; + this.axis = undefined; + this.labelRotation = undefined; + this.min = undefined; + this.max = undefined; + this._range = undefined; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = undefined; + this._endPixel = undefined; + this._reversePixels = false; + this._userMax = undefined; + this._userMin = undefined; + this._suggestedMax = undefined; + this._suggestedMin = undefined; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = undefined; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index) { + return raw; + } + getUserBounds() { + let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this; + _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: finiteOrDefault(_userMin, _suggestedMin), + max: finiteOrDefault(_userMax, _suggestedMax), + minDefined: isNumberFinite(_userMin), + maxDefined: isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let {min, max, minDefined, maxDefined} = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return {min, max}; + } + const metas = this.getMatchingVisibleMetas(); + for (let i = 0, ilen = metas.length; i < ilen; ++i) { + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: finiteOrDefault(min, finiteOrDefault(max, min)), + max: finiteOrDefault(max, finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + callback(this.options.beforeUpdate, [this]); + } + update(maxWidth, maxHeight, margins) { + const {beginAtZero, grace, ticks: tickOpts} = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() + ? this.width + margins.left + margins.right + : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = _addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + callback(this.options.afterUpdate, [this]); + } + beforeSetDimensions() { + callback(this.options.beforeSetDimensions, [this]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + callback(this.options.afterSetDimensions, [this]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + callback(this.options[name], [this]); + } + beforeDataLimits() { + this._callHooks('beforeDataLimits'); + } + determineDataLimits() {} + afterDataLimits() { + this._callHooks('afterDataLimits'); + } + beforeBuildTicks() { + this._callHooks('beforeBuildTicks'); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks('afterBuildTicks'); + } + beforeTickToLabelConversion() { + callback(this.options.beforeTickToLabelConversion, [this]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + tick = ticks[i]; + tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this); + } + } + afterTickToLabelConversion() { + callback(this.options.afterTickToLabelConversion, [this]); + } + beforeCalculateLabelRotation() { + callback(this.options.beforeCalculateLabelRotation, [this]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = this.ticks.length; + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) + - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = toDegrees(Math.min( + Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), + Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)) + )); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + callback(this.options.afterCalculateLabelRotation, [this]); + } + beforeFit() { + callback(this.options.beforeFit, [this]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const {first, last, widest, highest} = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const {ticks: {align, padding}, position} = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== 'top' && this.axis === 'x'; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === 'start') { + paddingRight = last.width; + } else if (align === 'end') { + paddingLeft = first.width; + } else { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === 'start') { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === 'end') { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + callback(this.options.afterFit, [this]); + } + isHorizontal() { + const {axis, position} = this.options; + return position === 'top' || position === 'bottom' || axis === 'x'; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for (i = 0, ilen = ticks.length; i < ilen; i++) { + if (isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length); + } + return labelSizes; + } + _computeLabelSizes(ticks, length) { + const {ctx, _longestTextCache: caches} = this; + const widths = []; + const heights = []; + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for (i = 0; i < length; ++i) { + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || {data: {}, gc: []}; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!isNullOrUndef(label) && !isArray(label)) { + width = _measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (isArray(label)) { + for (j = 0, jlen = label.length; j < jlen; ++j) { + nestedLabel = label[j]; + if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { + width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0}); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights, + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index) { + return NaN; + } + getValueForPixel(pixel) {} + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const {min, max} = this; + return min < 0 && max < 0 ? max : + min > 0 && max > 0 ? min : + 0; + } + getContext(index) { + const ticks = this.ticks || []; + if (index >= 0 && index < ticks.length) { + const tick = ticks[index]; + return tick.$context || + (tick.$context = createTickContext(this.getContext(), index, tick)); + } + return this.$context || + (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() + ? h * cos > w * sin ? w / cos : h / sin + : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== 'auto') { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const {grid, position} = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = grid.setContext(this.getContext()); + const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return _alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === 'top') { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === 'bottom') { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === 'left') { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === 'right') { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === 'x') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === 'y') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for (i = 0; i < ticksLength; i += step) { + const optsAtIndex = grid.setContext(this.getContext(i)); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = grid.borderDash || []; + const borderDashOffset = optsAtIndex.borderDashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === undefined) { + continue; + } + alignedLineValue = _alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset, + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const {position, ticks: optionTicks} = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const {align, crossAlign, padding, mirror} = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = 'middle'; + if (position === 'top') { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'bottom') { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'left') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === 'right') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === 'x') { + if (position === 'center') { + y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === 'y') { + if (position === 'center') { + x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding; + } else if (isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === 'y') { + if (align === 'start') { + textBaseline = 'top'; + } else if (align === 'end') { + textBaseline = 'bottom'; + } + } + const labelSizes = this._getLabelSizes(); + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + if (isHorizontal) { + x = pixel; + if (position === 'top') { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = y + textOffset - labelPadding.top; + let left = x - labelPadding.left; + switch (textBaseline) { + case 'middle': + top -= height / 2; + break; + case 'bottom': + top -= height; + break; + } + switch (textAlign) { + case 'center': + left -= width / 2; + break; + case 'right': + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor, + }; + } + items.push({ + rotation, + label, + font, + color, + strokeColor, + strokeWidth, + textOffset, + textAlign, + textBaseline, + translation: [x, y], + backdrop, + }); + } + return items; + } + _getXAxisLabelAlignment() { + const {position, ticks} = this.options; + const rotation = -toRadians(this.labelRotation); + if (rotation) { + return position === 'top' ? 'left' : 'right'; + } + let align = 'center'; + if (ticks.align === 'start') { + align = 'left'; + } else if (ticks.align === 'end') { + align = 'right'; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const {position, ticks: {crossAlign, mirror, padding}} = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === 'left') { + if (mirror) { + x = this.right + padding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += (widest / 2); + } else { + textAlign = 'right'; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= (widest / 2); + } else { + textAlign = 'left'; + x = this.left; + } + } + } else if (position === 'right') { + if (mirror) { + x = this.left + padding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= (widest / 2); + } else { + textAlign = 'left'; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x = this.right; + } + } + } else { + textAlign = 'right'; + } + return {textAlign, x}; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === 'left' || position === 'right') { + return {top: 0, left: this.left, bottom: chart.height, right: this.right}; + } if (position === 'top' || position === 'bottom') { + return {top: this.top, left: 0, bottom: this.bottom, right: chart.width}; + } + } + drawBackground() { + const {ctx, options: {backgroundColor}, left, top, width, height} = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index = ticks.findIndex(t => t.value === value); + if (index >= 0) { + const opts = grid.setContext(this.getContext(index)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style) => { + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for (i = 0, ilen = items.length; i < ilen; ++i) { + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine( + {x: item.x1, y: item.y1}, + {x: item.x2, y: item.y2}, + item + ); + } + if (grid.drawTicks) { + drawLine( + {x: item.tx1, y: item.ty1}, + {x: item.tx2, y: item.ty2}, + { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + } + ); + } + } + } + } + drawBorder() { + const {chart, ctx, options: {grid}} = this; + const borderOpts = grid.setContext(this.getContext()); + const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.borderWidth; + ctx.strokeStyle = borderOpts.borderColor; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + clipArea(ctx, area); + } + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + let i, ilen; + for (i = 0, ilen = items.length; i < ilen; ++i) { + const item = items[i]; + const tickFont = item.font; + const label = item.label; + if (item.backdrop) { + ctx.fillStyle = item.backdrop.color; + ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height); + } + let y = item.textOffset; + renderText(ctx, label, 0, y, tickFont, item); + } + if (area) { + unclipArea(ctx); + } + } + drawTitle() { + const {ctx, options: {position, title, reverse}} = this; + if (!title.display) { + return; + } + const font = toFont(title.font); + const padding = toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === 'bottom' || position === 'center' || isObject(position)) { + offset += padding.bottom; + if (isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align); + renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: 'middle', + translation: [titleX, titleY], + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = valueOrDefault(opts.grid && opts.grid.z, -1); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [{ + z: tz, + draw: (chartArea) => { + this.draw(chartArea); + } + }]; + } + return [{ + z: gz, + draw: (chartArea) => { + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, { + z: gz + 1, + draw: () => { + this.drawBorder(); + } + }, { + z: tz, + draw: (chartArea) => { + this.drawLabels(chartArea); + } + }]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + 'AxisID'; + const result = []; + let i, ilen; + for (i = 0, ilen = metas.length; i < ilen; ++i) { + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index) { + const opts = this.options.ticks.setContext(this.getContext(index)); + return toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +} + +class TypedRegistry { + constructor(type, scope, override) { + this.type = type; + this.scope = scope; + this.override = override; + this.items = Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + '.' + id; + if (!id) { + throw new Error('class does not have id: ' + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in defaults[scope]) { + delete defaults[scope][id]; + if (this.override) { + delete overrides[id]; + } + } + } +} +function registerDefaults(item, scope, parentScope) { + const itemDefaults = merge(Object.create(null), [ + parentScope ? defaults.get(parentScope) : {}, + defaults.get(scope), + item.defaults + ]); + defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach(property => { + const propertyParts = property.split('.'); + const sourceName = propertyParts.pop(); + const sourceScope = [scope].concat(propertyParts).join('.'); + const parts = routes[property].split('.'); + const targetName = parts.pop(); + const targetScope = parts.join('.'); + defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return 'id' in proto && 'defaults' in proto; +} + +class Registry { + constructor() { + this.controllers = new TypedRegistry(DatasetController, 'datasets', true); + this.elements = new TypedRegistry(Element, 'elements'); + this.plugins = new TypedRegistry(Object, 'plugins'); + this.scales = new TypedRegistry(Scale, 'scales'); + this._typedRegistries = [this.controllers, this.scales, this.elements]; + } + add(...args) { + this._each('register', args); + } + remove(...args) { + this._each('unregister', args); + } + addControllers(...args) { + this._each('register', args, this.controllers); + } + addElements(...args) { + this._each('register', args, this.elements); + } + addPlugins(...args) { + this._each('register', args, this.plugins); + } + addScales(...args) { + this._each('register', args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, 'controller'); + } + getElement(id) { + return this._get(id, this.elements, 'element'); + } + getPlugin(id) { + return this._get(id, this.plugins, 'plugin'); + } + getScale(id) { + return this._get(id, this.scales, 'scale'); + } + removeControllers(...args) { + this._each('unregister', args, this.controllers); + } + removeElements(...args) { + this._each('unregister', args, this.elements); + } + removePlugins(...args) { + this._each('unregister', args, this.plugins); + } + removeScales(...args) { + this._each('unregister', args, this.scales); + } + _each(method, args, typedRegistry) { + [...args].forEach(arg => { + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) { + this._exec(method, reg, arg); + } else { + each(arg, item => { + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry, component) { + const camelMethod = _capitalize(method); + callback(component['before' + camelMethod], [], component); + registry[method](component); + callback(component['after' + camelMethod], [], component); + } + _getRegistryForType(type) { + for (let i = 0; i < this._typedRegistries.length; i++) { + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === undefined) { + throw new Error('"' + id + '" is not a registered ' + type + '.'); + } + return item; + } +} +var registry = new Registry(); + +class PluginService { + constructor() { + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === 'beforeInit') { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, 'install'); + } + const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors, chart, hook, args); + if (hook === 'afterDestroy') { + this._notify(descriptors, chart, 'stop'); + this._notify(this._init, chart, 'uninstall'); + } + return result; + } + _notify(descriptors, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors) { + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [chart, args, descriptor.options]; + if (callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = undefined; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = valueOrDefault(config.options && config.options.plugins, {}); + const plugins = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors = this._cache; + const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); + this._notify(diff(descriptors, previousDescriptors), chart, 'start'); + } +} +function allPlugins(config) { + const plugins = []; + const keys = Object.keys(registry.plugins.items); + for (let i = 0; i < keys.length; i++) { + plugins.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for (let i = 0; i < local.length; i++) { + const plugin = local[i]; + if (plugins.indexOf(plugin) === -1) { + plugins.push(plugin); + } + } + return plugins; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, plugins, options, all) { + const result = []; + const context = chart.getContext(); + for (let i = 0; i < plugins.length; i++) { + const plugin = plugins[i]; + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, plugin, opts, context) + }); + } + return result; +} +function pluginOpts(config, plugin, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + return config.createResolver(scopes, context, [''], {scriptable: false, indexable: false, allKeys: true}); +} + +function getIndexAxis(type, options) { + const datasetDefaults = defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === '_index_') { + axis = indexAxis; + } else if (id === '_value_') { + axis = indexAxis === 'x' ? 'y' : 'x'; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? '_index_' : '_value_'; +} +function axisFromPosition(position) { + if (position === 'top' || position === 'bottom') { + return 'x'; + } + if (position === 'left' || position === 'right') { + return 'y'; + } +} +function determineAxis(id, scaleOptions) { + if (id === 'x' || id === 'y') { + return id; + } + return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase(); +} +function mergeScaleConfig(config, options) { + const chartDefaults = overrides[config.type] || {scales: {}}; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const firstIDs = Object.create(null); + const scales = Object.create(null); + Object.keys(configScales).forEach(id => { + const scaleConf = configScales[id]; + if (!isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + firstIDs[axis] = firstIDs[axis] || id; + scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]); + }); + config.data.datasets.forEach(dataset => { + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach(defaultID => { + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis; + scales[id] = scales[id] || Object.create(null); + mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]); + }); + }); + Object.keys(scales).forEach(key => { + const scale = scales[key]; + mergeIf(scale, [defaults.scales[scale.type], defaults.scale]); + }); + return scales; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data) { + data = data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + return data; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +const keyCache = new Map(); +const keysCached = new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +const addIfFound = (set, obj, key) => { + const opts = resolveObjectKey(obj, key); + if (opts !== undefined) { + set.add(opts); + } +}; +class Config { + constructor(config) { + this._config = initConfig(config); + this._scopeCache = new Map(); + this._resolverCache = new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data) { + this._config.data = initData(data); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, + () => [[ + `datasets.${datasetType}`, + '' + ]]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, + () => [ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}`, + ], + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, + () => [[ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + '' + ]]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, + () => [[ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [], + ]]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const {options, type} = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = new Set(); + keyLists.forEach(keys => { + if (mainScope) { + scopes.add(mainScope); + keys.forEach(key => addIfFound(scopes, mainScope, key)); + } + keys.forEach(key => addIfFound(scopes, options, key)); + keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key)); + keys.forEach(key => addIfFound(scopes, defaults, key)); + keys.forEach(key => addIfFound(scopes, descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const {options, type} = this; + return [ + options, + overrides[type] || {}, + defaults.datasets[type] || {}, + {type}, + defaults, + descriptors + ]; + } + resolveNamedOptions(scopes, names, context, prefixes = ['']) { + const result = {$shared: true}; + const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names)) { + result.$shared = false; + context = isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = _attachContext(resolver, context, subResolver); + } + for (const prop of names) { + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [''], descriptorDefaults) { + const {resolver} = getResolver(this._resolverCache, scopes, prefixes); + return isObject(context) + ? _attachContext(resolver, context, undefined, descriptorDefaults) + : resolver; + } +} +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = _createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover')) + }; + cache.set(cacheKey, cached); + } + return cached; +} +const hasFunction = value => isObject(value) + && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false); +function needContext(proxy, names) { + const {isScriptable, isIndexable} = _descriptors(proxy); + for (const prop of names) { + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if ((scriptable && (isFunction(value) || hasFunction(value))) + || (indexable && isArray(value))) { + return true; + } + } + return false; +} + +var version = "3.7.1"; + +const KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea']; +function positionIsHorizontal(position, axis) { + return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'); +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] + ? a[l2] - b[l2] + : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins('afterRender'); + callback(animationOptions && animationOptions.onComplete, [context], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + callback(animationOptions && animationOptions.onProgress, [context], chart); +} +function getCanvas(item) { + if (_isDomSupported() && typeof item === 'string') { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +const instances = {}; +const getChart = (key) => { + const canvas = getCanvas(key); + return Object.values(instances).filter((c) => c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys) { + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} +function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === 'mouseout') { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +class Chart { + constructor(item, userConfig) { + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error( + 'Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + + ' must be destroyed before the canvas can be reused.' + ); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = undefined; + this.boxes = []; + this.currentDevicePixelRatio = undefined; + this.chartArea = undefined; + this._active = []; + this._lastEvent = undefined; + this._listeners = {}; + this._responsiveListeners = undefined; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = undefined; + this.$context = undefined; + this._doResize = debounce(mode => this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, 'complete', onAnimationsComplete); + animator.listen(this, 'progress', onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this; + if (!isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data) { + this.config.data = data; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + _initialize() { + this.notifyPlugins('beforeInit'); + if (this.options.responsive) { + this.resize(); + } else { + retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins('afterInit'); + return this; + } + clear() { + clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = {width, height}; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? 'resize' : 'attach'; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins('resize', {size: newSize}); + callback(options.onResize, [this, newSize], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + each(scalesOptions, (axisOptions, axisID) => { + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales = this.scales; + const updated = Object.keys(scales).reduce((obj, id) => { + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat( + Object.keys(scaleOpts).map((id) => { + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === 'r'; + const isHorizontal = axis === 'x'; + return { + options: scaleOptions, + dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', + dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' + }; + }) + ); + } + each(items, (item) => { + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + each(updated, (hasUpdated, id) => { + if (!hasUpdated) { + delete scales[id]; + } + }); + each(scales, (scale) => { + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b) => a.index - b.index); + if (numMeta > numData) { + for (let i = numData; i < numMeta; ++i) { + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); + } + _removeUnreferencedMetasets() { + const {_metasets: metasets, data: {datasets}} = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index) => { + if (datasets.filter(x => x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for (i = 0, ilen = datasets.length; i < ilen; i++) { + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = '' + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const {datasetElementType, dataElementType} = defaults.datasets[type]; + Object.assign(ControllerClass.prototype, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + each(this.data.datasets, (dataset, datasetIndex) => { + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins('reset'); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins('beforeElementsUpdate'); + let minPadding = 0; + for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) { + const {controller} = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + each(newControllers, (controller) => { + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins('afterUpdate', {mode}); + this._layers.sort(compare2Level('z', '_idx')); + const {_active, _lastEvent} = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + each(this.scales, (scale) => { + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const {_hiddenIndices} = this; + const changes = this._getUniformDataChanges() || []; + for (const {method, start, count} of changes) { + const move = method === '_removeElements' ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx) => new Set( + _dataChanges + .filter(c => c[0] === idx) + .map((c, i) => i + ',' + c.splice(1).join(',')) + ); + const changeSet = makeSet(0); + for (let i = 1; i < datasetCount; i++) { + if (!setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet) + .map(c => c.split(',')) + .map(a => ({method: a[1], start: +a[2], count: +a[3]})); + } + _updateLayout(minPadding) { + if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + each(this.boxes, (box) => { + if (noArea && box.position === 'chartArea') { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index) => { + item._idx = index; + }); + this.notifyPlugins('afterLayout'); + } + _updateDatasets(mode) { + if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) { + return; + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this.getDatasetMeta(i).controller.configure(); + } + for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode); + } + this.notifyPlugins('afterDatasetsUpdate', {mode}); + } + _updateDataset(index, mode) { + const meta = this.getDatasetMeta(index); + const args = {meta, index, mode, cancelable: true}; + if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins('afterDatasetUpdate', args); + } + render() { + if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({chart: this}); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const {width, height} = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) { + return; + } + const layers = this._layers; + for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for (; i < layers.length; ++i) { + layers[i].draw(this.chartArea); + } + this.notifyPlugins('afterDraw'); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + this._drawDataset(metasets[i]); + } + this.notifyPlugins('afterDatasetsDraw'); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = this.chartArea; + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetDraw', args) === false) { + return; + } + if (useClip) { + clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins('afterDatasetDraw', args); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter(x => x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'})); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index) { + this._hiddenIndices[index] = !this._hiddenIndices[index]; + } + getDataVisibility(index) { + return !this._hiddenIndices[index]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? 'show' : 'hide'; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(undefined, mode); + if (defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, {visible}); + this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins('beforeDestroy'); + const {canvas, ctx} = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + this.notifyPlugins('destroy'); + delete instances[this.id]; + this.notifyPlugins('afterDestroy'); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener) => { + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const listener = (e, x, y) => { + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + each(this.options.events, (type) => _add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener) => { + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const _remove = (type, listener) => { + if (listeners[type]) { + platform.removeEventListener(this, type, listener); + delete listeners[type]; + } + }; + const listener = (width, height) => { + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = () => { + _remove('attach', attached); + this.attached = true; + this.resize(); + _add('resize', listener); + _add('detach', detached); + }; + detached = () => { + this.attached = false; + _remove('resize', listener); + this._stop(); + this._resize(0, 0); + _add('attach', attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + each(this._listeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + each(this._responsiveListeners, (listener, type) => { + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = undefined; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? 'set' : 'remove'; + let meta, item, i, ilen; + if (mode === 'dataset') { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller['_' + prefix + 'DatasetHoverStyle'](); + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({datasetIndex, index}) => { + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('No dataset found at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index, + }; + }); + const changed = !_elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: _isPointInArea(e, this.chartArea, this._minPadding) + }; + const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins('afterEvent', args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const {_active: lastActive = [], options} = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = _isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + callback(options.onHover, [e, active, this], this); + if (isClick) { + callback(options.onClick, [e, active, this], this); + } + } + const changed = !_elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +} +const invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate()); +const enumerable = true; +Object.defineProperties(Chart, { + defaults: { + enumerable, + value: defaults + }, + instances: { + enumerable, + value: instances + }, + overrides: { + enumerable, + value: overrides + }, + registry: { + enumerable, + value: registry + }, + version: { + enumerable, + value: version + }, + getChart: { + enumerable, + value: getChart + }, + register: { + enumerable, + value: (...items) => { + registry.add(...items); + invalidatePlugins(); + } + }, + unregister: { + enumerable, + value: (...items) => { + registry.remove(...items); + invalidatePlugins(); + } + } +}); + +function abstract() { + throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); +} +class DateAdapter { + constructor(options) { + this.options = options || {}; + } + formats() { + return abstract(); + } + parse(value, format) { + return abstract(); + } + format(timestamp, format) { + return abstract(); + } + add(timestamp, amount, unit) { + return abstract(); + } + diff(a, b, unit) { + return abstract(); + } + startOf(timestamp, unit, weekday) { + return abstract(); + } + endOf(timestamp, unit) { + return abstract(); + } +} +DateAdapter.override = function(members) { + Object.assign(DateAdapter.prototype, members); +}; +var _adapters = { + _date: DateAdapter +}; + +function getAllScaleValues(scale, type) { + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) { + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b)); + } + return scale._cache.$bar; +} +function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = () => { + if (curr === 32767 || curr === -32768) { + return; + } + if (defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for (i = 0, ilen = values.length; i < ilen; ++i) { + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); + } + prev = undefined; + for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) { + curr = scale.getPixelForTick(i); + updateMinAndPrev(); + } + return min; +} +function computeFitCategoryTraits(index, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index] - (size / 2) + }; +} +function computeFlexCategoryTraits(index, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index]; + let prev = index > 0 ? pixels[index - 1] : null; + let next = index < pixels.length - 1 ? pixels[index + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; +} +function parseFloatBar(entry, item, vScale, i) { + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; +} +function parseValue(entry, item, vScale, i) { + if (isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; +} +function parseArrayOrPrimitive(meta, data, start, count) { + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for (i = start, ilen = start + count; i < ilen; ++i) { + entry = data[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; +} +function isFloatBar(custom) { + return custom && custom.barStart !== undefined && custom.barEnd !== undefined; +} +function barSign(size, vScale, actualBase) { + if (size !== 0) { + return sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); +} +function borderProps(properties) { + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = 'left'; + end = 'right'; + } else { + reverse = properties.base < properties.y; + start = 'bottom'; + end = 'top'; + } + if (reverse) { + top = 'end'; + bottom = 'start'; + } else { + top = 'start'; + bottom = 'end'; + } + return {start, end, reverse, top, bottom}; +} +function setBorderSkipped(properties, options, stack, index) { + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; + } + const {start, end, reverse, top, bottom} = borderProps(properties); + if (edge === 'middle' && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index) { + edge = top; + } else if ((stack._bottom || 0) === index) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; +} +function parseEdge(edge, a, b, reverse) { + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; +} +function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; +} +function startEnd(v, start, end) { + return v === 'start' ? start : v === 'end' ? end : v; +} +function setInflateAmount(properties, {inflateAmount}, ratio) { + properties.inflateAmount = inflateAmount === 'auto' + ? ratio === 1 ? 0.33 : 0 + : inflateAmount; +} +class BarController extends DatasetController { + parsePrimitiveData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseArrayData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseObjectData(meta, data, start, count) { + const {iScale, vScale} = meta; + const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; + const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for (i = start, ilen = start + count; i < ilen; ++i) { + obj = data[i]; + item = {}; + item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const {iScale, vScale} = meta; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const value = isFloatBar(custom) + ? '[' + custom.start + ', ' + custom.end + ']' + : '' + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: '' + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === 'reset'; + const {index, _cachedMeta: {vScale}} = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + this.updateSharedOptions(sharedOptions, mode, firstOpts); + for (let i = start; i < start + count; i++) { + const parsed = this.getParsed(i); + const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom), + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const metasets = iScale.getMatchingVisibleMetas(this._type); + const stacked = iScale.options.stacked; + const ilen = metasets.length; + const stacks = []; + let i, item; + for (i = 0; i < ilen; ++i) { + item = metasets[i]; + if (!item.controller.options.grouped) { + continue; + } + if (typeof dataIndex !== 'undefined') { + const val = item.controller.getParsed(dataIndex)[ + item.controller._cachedMeta.vScale.axis + ]; + if (isNullOrUndef(val) || isNaN(val)) { + continue; + } + } + if (stacked === false || stacks.indexOf(item.stack) === -1 || + (stacked === undefined && item.stack === undefined)) { + stacks.push(item.stack); + } + if (item.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(undefined); + } + return stacks; + } + _getStackCount(index) { + return this._getStacks(undefined, index).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index = (name !== undefined) + ? stacks.indexOf(name) + : -1; + return (index === -1) + ? stacks.length - 1 + : index; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for (i = 0, ilen = meta.data.length; i < ilen; ++i) { + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index) { + const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && sign(value) !== sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + head = base + size; + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; + const range = options.barThickness === 'flex' + ? computeFlexCategoryTraits(index, ruler, options, stackCount) + : computeFitCategoryTraits(index, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); + center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for (; i < ilen; ++i) { + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } + } +} +BarController.id = 'bar'; +BarController.defaults = { + datasetElementType: false, + dataElementType: 'bar', + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'base', 'width', 'height'] + } + } +}; +BarController.overrides = { + scales: { + _index_: { + type: 'category', + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: 'linear', + beginAtZero: true, + } + } +}; + +class BubbleController extends DatasetController { + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + parsePrimitiveData(meta, data, start, count) { + const parsed = super.parsePrimitiveData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const parsed = super.parseArrayData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const parsed = super.parseObjectData(meta, data, start, count); + for (let i = 0; i < parsed.length; i++) { + const item = data[start + i]; + parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data = this._cachedMeta.data; + let max = 0; + for (let i = data.length - 1; i >= 0; --i) { + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const {xScale, yScale} = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: meta.label, + value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const {iScale, vScale} = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + resolveDataElementOptions(index, mode) { + const parsed = this.getParsed(index); + let values = super.resolveDataElementOptions(index, mode); + if (values.$shared) { + values = Object.assign({}, values, {$shared: false}); + } + const radius = values.radius; + if (mode !== 'active') { + values.radius = 0; + } + values.radius += valueOrDefault(parsed && parsed._custom, radius); + return values; + } +} +BubbleController.id = 'bubble'; +BubbleController.defaults = { + datasetElementType: false, + dataElementType: 'point', + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'borderWidth', 'radius'] + } + } +}; +BubbleController.overrides = { + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + }, + plugins: { + tooltip: { + callbacks: { + title() { + return ''; + } + } + } + } +}; + +function getRatioAndOffset(rotation, circumference, cutout) { + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(HALF_PI, startY, endY); + const minX = calcMin(PI, startX, endX); + const minY = calcMin(PI + HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return {ratioX, ratioY, offsetX, offsetY}; +} +class DoughnutController extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.offsetX = undefined; + this.offsetY = undefined; + } + linkScales() {} + parse(start, count) { + const data = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data; + } else { + let getter = (i) => +data[i]; + if (isObject(data[start])) { + const {key = 'value'} = this._parsing; + getter = (i) => +resolveObjectKey(data[i], key); + } + let i, ilen; + for (i = start, ilen = start + count; i < ilen; ++i) { + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return toRadians(this.options.rotation - 90); + } + _getCircumference() { + return toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = TAU; + let max = -TAU; + for (let i = 0; i < this.chart.data.datasets.length; ++i) { + if (this.chart.isDatasetVisible(i)) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min, + }; + } + update(mode) { + const chart = this.chart; + const {chartArea} = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const {circumference, rotation} = this._getRotationExtents(); + const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + let startAngle = this._getRotation(); + let i; + for (i = 0; i < start; ++i) { + startAngle += this._circumference(i, reset); + } + for (i = start; i < start + count; ++i) { + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for (i = 0; i < metaData.length; i++) { + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index], chart.options.locale); + return { + label: labels[index] || '', + value, + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== 'inner') { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for (let i = 0, ilen = arcs.length; i < ilen; ++i) { + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for (let i = 0; i < datasetIndex; ++i) { + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +} +DoughnutController.id = 'doughnut'; +DoughnutController.defaults = { + datasetElementType: false, + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: false + }, + animations: { + numbers: { + type: 'number', + properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing'] + }, + }, + cutout: '50%', + rotation: 0, + circumference: 360, + radius: '100%', + spacing: 0, + indexAxis: 'r', +}; +DoughnutController.descriptors = { + _scriptable: (name) => name !== 'spacing', + _indexable: (name) => name !== 'spacing', +}; +DoughnutController.overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const {labels: {pointStyle}} = chart.legend.options; + return data.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + }, + tooltip: { + callbacks: { + title() { + return ''; + }, + label(tooltipItem) { + let dataLabel = tooltipItem.label; + const value = ': ' + tooltipItem.formattedValue; + if (isArray(dataLabel)) { + dataLabel = dataLabel.slice(); + dataLabel[0] += value; + } else { + dataLabel += value; + } + return dataLabel; + } + } + } + } +}; + +class LineController extends DatasetController { + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + update(mode) { + const meta = this._cachedMeta; + const {dataset: line, data: points = [], _dataset} = meta; + const animationsDisabled = this.chart._animationsDisabled; + let {start, count} = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const {iScale, vScale, _stacked, _dataset} = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const {spanGaps, segment} = this.options; + const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + let prevParsed = start > 0 && this.getParsed(start - 1); + for (let i = start; i < start + count; ++i) { + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && (parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data = meta.data || []; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); + } +} +LineController.id = 'line'; +LineController.defaults = { + datasetElementType: 'line', + dataElementType: 'point', + showLine: true, + spanGaps: false, +}; +LineController.overrides = { + scales: { + _index_: { + type: 'category', + }, + _value_: { + type: 'linear', + }, + } +}; +function getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { + const pointCount = points.length; + let start = 0; + let count = pointCount; + if (meta._sorted) { + const {iScale, _parsed} = meta; + const axis = iScale.axis; + const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(Math.min( + _lookupByKey(_parsed, iScale.axis, min).lo, + animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), + 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(Math.max( + _lookupByKey(_parsed, iScale.axis, max).hi + 1, + animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1), + start, pointCount) - start; + } else { + count = pointCount - start; + } + } + return {start, count}; +} +function scaleRangesChanged(meta) { + const {xScale, yScale, _scaleRanges} = meta; + const newRanges = { + xmin: xScale.min, + xmax: xScale.max, + ymin: yScale.min, + ymax: yScale.max + }; + if (!_scaleRanges) { + meta._scaleRanges = newRanges; + return true; + } + const changed = _scaleRanges.xmin !== xScale.min + || _scaleRanges.xmax !== xScale.max + || _scaleRanges.ymin !== yScale.min + || _scaleRanges.ymax !== yScale.max; + Object.assign(_scaleRanges, newRanges); + return changed; +} + +class PolarAreaController extends DatasetController { + constructor(chart, datasetIndex) { + super(chart, datasetIndex); + this.innerRadius = undefined; + this.outerRadius = undefined; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = formatNumber(meta._parsed[index].r, chart.options.locale); + return { + label: labels[index] || '', + value, + }; + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - (radiusLength * this.index); + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const dataset = this.getDataset(); + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for (i = 0; i < start; ++i) { + angle += this._computeAngle(i, mode, defaultAngle); + } + for (i = start; i < start + count; i++) { + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const dataset = this.getDataset(); + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index) => { + if (!isNaN(dataset.data[index]) && this.chart.getDataVisibility(index)) { + count++; + } + }); + return count; + } + _computeAngle(index, mode, defaultAngle) { + return this.chart.getDataVisibility(index) + ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) + : 0; + } +} +PolarAreaController.id = 'polarArea'; +PolarAreaController.defaults = { + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: true + }, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius'] + }, + }, + indexAxis: 'r', + startAngle: 0, +}; +PolarAreaController.overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels(chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const {labels: {pointStyle}} = chart.legend.options; + return data.labels.map((label, i) => { + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick(e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + }, + tooltip: { + callbacks: { + title() { + return ''; + }, + label(context) { + return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue; + } + } + } + }, + scales: { + r: { + type: 'radialLinear', + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } + } +}; + +class PieController extends DoughnutController { +} +PieController.id = 'pie'; +PieController.defaults = { + cutout: 0, + rotation: 0, + circumference: 360, + radius: '100%' +}; + +class RadarController extends DatasetController { + getLabelAndValue(index) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index); + return { + label: vScale.getLabels()[index], + value: '' + vScale.getLabelForValue(parsed[vScale.axis]) + }; + } + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== 'resize') { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, undefined, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const dataset = this.getDataset(); + const scale = this._cachedMeta.rScale; + const reset = mode === 'reset'; + for (let i = start; i < start + count; i++) { + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + const pointPosition = scale.getPointPositionForValue(i, dataset.data[i]); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +} +RadarController.id = 'radar'; +RadarController.defaults = { + datasetElementType: 'line', + dataElementType: 'point', + indexAxis: 'r', + showLine: true, + elements: { + line: { + fill: 'start' + } + }, +}; +RadarController.overrides = { + aspectRatio: 1, + scales: { + r: { + type: 'radialLinear', + } + } +}; + +class ScatterController extends LineController { +} +ScatterController.id = 'scatter'; +ScatterController.defaults = { + showLine: false, + fill: false +}; +ScatterController.overrides = { + interaction: { + mode: 'point' + }, + plugins: { + tooltip: { + callbacks: { + title() { + return ''; + }, + label(item) { + return '(' + item.label + ', ' + item.formattedValue + ')'; + } + } + } + }, + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } +}; + +var controllers = /*#__PURE__*/Object.freeze({ +__proto__: null, +BarController: BarController, +BubbleController: BubbleController, +DoughnutController: DoughnutController, +LineController: LineController, +PolarAreaController: PolarAreaController, +PieController: PieController, +RadarController: RadarController, +ScatterController: ScatterController +}); + +function clipArc(ctx, element, endAngle) { + const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element; + let angleMargin = pixelMargin / outerRadius; + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']); +} +function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + const computeOuterLimit = (val) => { + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: _limitValue(o.innerStart, 0, innerLimit), + innerEnd: _limitValue(o.innerEnd, 0, innerLimit), + }; +} +function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta), + }; +} +function pathArc(ctx, element, offset, spacing, end) { + const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha = end - start; + if (spacing) { + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha; + spacingOffset = (alpha - adjustedAngle) / 2; + } + const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius; + const angleOffset = (alpha - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle); + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); + } + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); + } + ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true); + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); + } + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing) { + const {fullCircles, startAngle, circumference} = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, startAngle + TAU); + for (let i = 0; i < fullCircles; ++i) { + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + circumference % TAU; + if (circumference % TAU === 0) { + endAngle += TAU; + } + } + } + pathArc(ctx, element, offset, spacing, endAngle); + ctx.fill(); + return endAngle; +} +function drawFullCircleBorders(ctx, element, inner) { + const {x, y, startAngle, pixelMargin, fullCircles} = element; + const outerRadius = Math.max(element.outerRadius - pixelMargin, 0); + const innerRadius = element.innerRadius + pixelMargin; + let i; + if (inner) { + clipArc(ctx, element, startAngle + TAU); + } + ctx.beginPath(); + ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true); + for (i = 0; i < fullCircles; ++i) { + ctx.stroke(); + } + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU); + for (i = 0; i < fullCircles; ++i) { + ctx.stroke(); + } +} +function drawBorder(ctx, element, offset, spacing, endAngle) { + const {options} = element; + const {borderWidth, borderJoinStyle} = options; + const inner = options.borderAlign === 'inner'; + if (!borderWidth) { + return; + } + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || 'round'; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || 'bevel'; + } + if (element.fullCircles) { + drawFullCircleBorders(ctx, element, inner); + } + if (inner) { + clipArc(ctx, element, endAngle); + } + pathArc(ctx, element, offset, spacing, endAngle); + ctx.stroke(); +} +class ArcElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.circumference = undefined; + this.startAngle = undefined; + this.endAngle = undefined; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps(['x', 'y'], useFinalPosition); + const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY}); + const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([ + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference' + ], useFinalPosition); + const rAdjust = this.options.spacing / 2; + const _circumference = valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle); + const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return (betweenAngles && withinRadius); + } + getCenterPoint(useFinalPosition) { + const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference', + ], useFinalPosition); + const {offset, spacing} = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const {options, circumference} = this; + const offset = (options.offset || 0) / 2; + const spacing = (options.spacing || 0) / 2; + this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0; + this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + let radiusOffset = 0; + if (offset) { + radiusOffset = offset / 2; + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset); + if (this.circumference >= PI) { + radiusOffset = offset; + } + } + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + const endAngle = drawArc(ctx, this, radiusOffset, spacing); + drawBorder(ctx, this, radiusOffset, spacing, endAngle); + ctx.restore(); + } +} +ArcElement.id = 'arc'; +ArcElement.defaults = { + borderAlign: 'center', + borderColor: '#fff', + borderJoinStyle: undefined, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: undefined, +}; +ArcElement.defaultRoutes = { + backgroundColor: 'backgroundColor' +}; + +function setStyle(ctx, options, style = options) { + ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); +} +function lineTo(ctx, previous, target) { + ctx.lineTo(target.x, target.y); +} +function getLineMethod(options) { + if (options.stepped) { + return _steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierCurveTo; + } + return lineTo; +} +function pathVars(points, segment, params = {}) { + const count = points.length; + const {start: paramsStart = 0, end: paramsEnd = count - 1} = params; + const {start: segmentStart, end: segmentEnd} = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; +} +function pathSegment(ctx, line, segment, params) { + const {points, options} = line; + const {count, start, loop, ilen} = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let {move = true, reverse} = params || {}; + let i, point, prev; + for (i = 0; i <= ilen; ++i) { + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; + } + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; +} +function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const {count, start, ilen} = pathVars(points, segment, params); + const {move = true, reverse} = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count; + const drawX = () => { + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); + } + for (i = 0; i <= ilen; ++i) { + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; + } + drawX(); +} +function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; +} +function _getInterpolationMethod(options) { + if (options.stepped) { + return _steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return _bezierInterpolation; + } + return _pointInLine; +} +function strokePathWithCache(ctx, line, start, count) { + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } + } + setStyle(ctx, line.options); + ctx.stroke(path); +} +function strokePathDirect(ctx, line, start, count) { + const {segments, options} = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments) { + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) { + ctx.closePath(); + } + ctx.stroke(); + } +} +const usePath2D = typeof Path2D === 'function'; +function draw(ctx, line, start, count) { + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } +} +class LineElement extends Element { + constructor(cfg) { + super(); + this.animated = true; + this.options = undefined; + this._chart = undefined; + this._loop = undefined; + this._fullLoop = undefined; + this._path = undefined; + this._points = undefined; + this._segments = undefined; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } + } + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; + } + get points() { + return this._points; + } + get segments() { + return this._segments || (this._segments = _computeSegments(this, this.options.segment)); + } + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; + } + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = _boundSegments(this, {property, start: value, end: value}); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for (i = 0, ilen = segments.length; i < ilen; ++i) { + const {start, end} = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || (this.points.length - start); + for (const segment of segments) { + loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1}); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = undefined; + } + } +} +LineElement.id = 'line'; +LineElement.defaults = { + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: 'miter', + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: 'default', + fill: false, + spanGaps: false, + stepped: false, + tension: 0, +}; +LineElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; +LineElement.descriptors = { + _scriptable: true, + _indexable: (name) => name !== 'borderDash' && name !== 'fill', +}; + +function inRange$1(el, pos, axis, useFinalPosition) { + const options = el.options; + const {[axis]: value} = el.getProps([axis], useFinalPosition); + return (Math.abs(pos - value) < options.radius + options.hitRadius); +} +class PointElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.parsed = undefined; + this.skip = undefined; + this.stop = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2)); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, 'x', useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, 'y', useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const {x, y} = this.getProps(['x', 'y'], useFinalPosition); + return {x, y}; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + return options.radius + options.hitRadius; + } +} +PointElement.id = 'point'; +PointElement.defaults = { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: 'circle', + radius: 3, + rotation: 0 +}; +PointElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; + +function getBarBounds(bar, useFinalPosition) { + const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return {left, top, right, bottom}; +} +function skipOrLimit(skip, value, min, max) { + return skip ? 0 : _limitValue(value, min, max); +} +function parseBorderWidth(bar, maxW, maxH) { + const value = bar.options.borderWidth; + const skip = bar.borderSkipped; + const o = toTRBL(value); + return { + t: skipOrLimit(skip.top, o.top, 0, maxH), + r: skipOrLimit(skip.right, o.right, 0, maxW), + b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip.left, o.left, 0, maxW) + }; +} +function parseBorderRadius(bar, maxW, maxH) { + const {enableBorderRadius} = bar.getProps(['enableBorderRadius']); + const value = bar.options.borderRadius; + const o = toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip = bar.borderSkipped; + const enableBorder = enableBorderRadius || isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) + }; +} +function boundingRects(bar) { + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)), + } + } + }; +} +function inRange(bar, x, y, useFinalPosition) { + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds + && (skipX || _isBetween(x, bounds.left, bounds.right)) + && (skipY || _isBetween(y, bounds.top, bounds.bottom)); +} +function hasRadius(radius) { + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; +} +function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); +} +function inflateRect(rect, amount, refRect = {}) { + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; +} +class BarElement extends Element { + constructor(cfg) { + super(); + this.options = undefined; + this.horizontal = undefined; + this.base = undefined; + this.width = undefined; + this.height = undefined; + this.inflateAmount = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const {inflateAmount, options: {borderColor, backgroundColor}} = this; + const {inner, outer} = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill('evenodd'); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === 'x' ? this.width / 2 : this.height / 2; + } +} +BarElement.id = 'bar'; +BarElement.defaults = { + borderSkipped: 'start', + borderWidth: 0, + borderRadius: 0, + inflateAmount: 'auto', + pointStyle: undefined +}; +BarElement.defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' +}; + +var elements = /*#__PURE__*/Object.freeze({ +__proto__: null, +ArcElement: ArcElement, +LineElement: LineElement, +PointElement: PointElement, +BarElement: BarElement +}); + +function lttbDecimation(data, start, count, availableWidth, options) { + const samples = options.samples || availableWidth; + if (samples >= count) { + return data.slice(start, start + count); + } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data[a]; + for (i = 0; i < samples - 2; i++) { + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for (j = avgRangeStart; j < avgRangeEnd; j++) { + avgX += data[j].x; + avgY += data[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const {x: pointAx, y: pointAy} = data[a]; + maxArea = area = -1; + for (j = rangeOffs; j < rangeTo; j++) { + area = 0.5 * Math.abs( + (pointAx - avgX) * (data[j].y - pointAy) - + (pointAx - data[j].x) * (avgY - pointAy) + ); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; + } + decimated[sampledIndex++] = data[endIndex]; + return decimated; +} +function minMaxDecimation(data, start, count, availableWidth) { + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data[start].x; + const xMax = data[endIndex].x; + const dx = xMax - xMin; + for (i = start; i < start + count; ++i) { + point = data[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex1], + x: avgX, + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; + } + } + return decimated; +} +function cleanDecimatedDataset(dataset) { + if (dataset._decimated) { + const data = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, 'data', {value: data}); + } +} +function cleanDecimatedData(chart) { + chart.data.datasets.forEach((dataset) => { + cleanDecimatedDataset(dataset); + }); +} +function getStartAndCountOfVisiblePointsSimplified(meta, points) { + const pointCount = points.length; + let start = 0; + let count; + const {iScale} = meta; + const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return {start, count}; +} +var plugin_decimation = { + id: 'decimation', + defaults: { + algorithm: 'min-max', + enabled: false, + }, + beforeElementsUpdate: (chart, args, options) => { + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex) => { + const {_data, indexAxis} = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data = _data || dataset.data; + if (resolve([indexAxis, chart.options.indexAxis]) === 'y') { + return; + } + if (meta.type !== 'line') { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== 'linear' && xAxis.type !== 'time') { + return; + } + if (chart.options.parsing) { + return; + } + let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (isNullOrUndef(_data)) { + dataset._data = data; + delete dataset.data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch (options.algorithm) { + case 'lttb': + decimated = lttbDecimation(data, start, count, availableWidth, options); + break; + case 'min-max': + decimated = minMaxDecimation(data, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; + }); + }, + destroy(chart) { + cleanDecimatedData(chart); + } +}; + +function getLineByIndex(chart, index) { + const meta = chart.getDatasetMeta(index); + const visible = meta && chart.isDatasetVisible(index); + return visible ? meta.dataset : null; +} +function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill = valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill === undefined) { + fill = !!options.backgroundColor; + } + if (fill === false || fill === null) { + return false; + } + if (fill === true) { + return 'origin'; + } + return fill; +} +function decodeFill(line, index, count) { + const fill = parseFillOption(line); + if (isObject(fill)) { + return isNaN(fill.value) ? false : fill; + } + let target = parseFloat(fill); + if (isNumberFinite(target) && Math.floor(target) === target) { + if (fill[0] === '-' || fill[0] === '+') { + target = index + target; + } + if (target === index || target < 0 || target >= count) { + return false; + } + return target; + } + return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill; +} +function computeLinearBoundary(source) { + const {scale = {}, fill} = source; + let target = null; + let horizontal; + if (fill === 'start') { + target = scale.bottom; + } else if (fill === 'end') { + target = scale.top; + } else if (isObject(fill)) { + target = scale.getPixelForValue(fill.value); + } else if (scale.getBasePixel) { + target = scale.getBasePixel(); + } + if (isNumberFinite(target)) { + horizontal = scale.isHorizontal(); + return { + x: horizontal ? target : null, + y: horizontal ? null : target + }; + } + return null; +} +class simpleArc { + constructor(opts) { + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; + } + pathSegment(ctx, bounds, opts) { + const {x, y, radius} = this; + bounds = bounds || {start: 0, end: TAU}; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; + } + interpolate(point) { + const {x, y, radius} = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; + } +} +function computeCircularBoundary(source) { + const {scale, fill} = source; + const options = scale.options; + const length = scale.getLabels().length; + const target = []; + const start = options.reverse ? scale.max : scale.min; + const end = options.reverse ? scale.min : scale.max; + let i, center, value; + if (fill === 'start') { + value = start; + } else if (fill === 'end') { + value = end; + } else if (isObject(fill)) { + value = fill.value; + } else { + value = scale.getBaseValue(); + } + if (options.grid.circular) { + center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); + } + for (i = 0; i < length; ++i) { + target.push(scale.getPointPositionForValue(i, value)); + } + return target; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function findSegmentEnd(start, end, points) { + for (;end > start; end--) { + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } + } + return end; +} +function pointsFromSegments(boundary, line) { + const {x = null, y = null} = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({start, end}) => { + end = findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({x: first.x, y}); + points.push({x: last.x, y}); + } else if (x !== null) { + points.push({x, y: first.y}); + points.push({x, y: last.y}); + } + }); + return points; +} +function buildStackLine(source) { + const {scale, index, line} = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index); + linesBelow.push(createBoundaryLine({x: null, y: scale.bottom}, line)); + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + for (let j = segment.start; j <= segment.end; j++) { + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({points, options: {}}); +} +function getLinesBelow(scale, index) { + const below = []; + const metas = scale.getMatchingVisibleMetas('line'); + for (let i = 0; i < metas.length; i++) { + const meta = metas[i]; + if (meta.index === index) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} +function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for (let j = 0; j < linesBelow.length; j++) { + const line = linesBelow[j]; + const {first, last, point} = findPoint(line, sourcePoint, 'x'); + if (!point || (first && last)) { + continue; + } + if (first) { + postponed.unshift(point); + } else { + points.push(point); + if (!last) { + break; + } + } + } + points.push(...postponed); +} +function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for (let i = 0; i < segments.length; i++) { + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (_isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; + } + } + return {first, last, point}; +} +function getTarget(source) { + const {chart, fill, line} = source; + if (isNumberFinite(fill)) { + return getLineByIndex(chart, fill); + } + if (fill === 'stack') { + return buildStackLine(source); + } + if (fill === 'shape') { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return createBoundaryLine(boundary, line); +} +function createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (isArray(boundary)) { + _loop = true; + points = boundary; + } else { + points = pointsFromSegments(boundary, line); + } + return points.length ? new LineElement({ + points, + options: {tension: 0}, + _loop, + _fullLoop: _loop + }) : null; +} +function resolveTarget(sources, index, propagate) { + const source = sources[index]; + let fill = source.fill; + const visited = [index]; + let target; + if (!propagate) { + return fill; + } + while (fill !== false && visited.indexOf(fill) === -1) { + if (!isNumberFinite(fill)) { + return fill; + } + target = sources[fill]; + if (!target) { + return false; + } + if (target.visible) { + return fill; + } + visited.push(fill); + fill = target.fill; + } + return false; +} +function _clip(ctx, target, clipY) { + const {segments, points} = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments) { + const {start, end} = segment; + const firstPoint = points[start]; + const lastPoint = points[findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, {move: lineLoop}); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === 'angle') { + start = _normalizeAngle(start); + end = _normalizeAngle(end); + } + return {property, start, end}; +} +function _getEdge(a, b, prop, fn) { + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; +} +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments) { + let {start, end} = segment; + end = findSegmentEnd(start, end, points); + const bounds = getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = _boundSegments(target, bounds); + for (const tgt of targetSegments) { + const subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = _boundSegment(segment, points, subBounds); + for (const fillSource of fillSources) { + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, 'start', Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, 'end', Math.min) + } + }); + } + } + } + return parts; +} +function clipBounds(ctx, scale, bounds) { + const {top, bottom} = scale.chart.chartArea; + const {property, start, end} = bounds || {}; + if (property === 'x') { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} +function _fill(ctx, cfg) { + const {line, target, property, color, scale} = cfg; + const segments = _segments(line, target, property); + for (const {source: src, target: tgt, start, end} of segments) { + const {style: {backgroundColor = color} = {}} = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true}); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? 'evenodd' : 'nonzero'); + ctx.restore(); + } +} +function doFill(ctx, cfg) { + const {line, target, above, below, area, scale} = cfg; + const property = line._loop ? 'angle' : cfg.axis; + ctx.save(); + if (property === 'x' && below !== above) { + _clip(ctx, target, area.top); + _fill(ctx, {line, target, color: above, scale, property}); + ctx.restore(); + ctx.save(); + _clip(ctx, target, area.bottom); + } + _fill(ctx, {line, target, color: below, scale, property}); + ctx.restore(); +} +function drawfill(ctx, source, area) { + const target = getTarget(source); + const {line, scale, axis} = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color = lineOpts.backgroundColor; + const {above = color, below = color} = fillOption || {}; + if (target && line.points.length) { + clipArea(ctx, area); + doFill(ctx, {line, target, above, below, area, scale, axis}); + unclipArea(ctx); + } +} +var plugin_filler = { + id: 'filler', + afterDatasetsUpdate(chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for (i = 0; i < count; ++i) { + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line, + }; + } + meta.$filler = source; + sources.push(source); + } + for (i = 0; i < count; ++i) { + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw(chart, _args, options) { + const draw = options.drawTime === 'beforeDraw'; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw) { + drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw(chart, _args, options) { + if (options.drawTime !== 'beforeDatasetsDraw') { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for (let i = metasets.length - 1; i >= 0; --i) { + const source = metasets[i].$filler; + if (source) { + drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw(chart, args, options) { + const source = args.meta.$filler; + if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') { + return; + } + drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: 'beforeDatasetDraw' + } +}; + +const getBoxSize = (labelOpts, fontSize) => { + let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +const itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +class Legend extends Element { + constructor(config) { + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = undefined; + this.columnSizes = undefined; + this.lineWidths = undefined; + this.maxHeight = undefined; + this.maxWidth = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.height = undefined; + this.width = undefined; + this._margins = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = callback(labelOpts.generateLabels, [this.chart], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const {options, ctx} = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const {ctx, maxWidth, options: {labels: {padding}}} = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [0]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i) => { + const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight}; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, fontSize, boxWidth, itemHeight) { + const {ctx, maxHeight, options: {labels: {padding}}} = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i) => { + const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({width: currentColWidth, height: currentColHeight}); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight}; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({width: currentColWidth, height: currentColHeight}); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this; + const rtlHelper = getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes) { + if (row !== hitbox.row) { + row = hitbox.row; + left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes) { + if (hitbox.col !== col) { + col = hitbox.col; + top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === 'top' || this.options.position === 'bottom'; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + clipArea(ctx, this); + this._draw(); + unclipArea(ctx); + } + } + _draw() { + const {options: opts, columnSizes, lineWidths, ctx} = this; + const {align, labels: labelOpts} = opts; + const defaultColor = defaults.color; + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = toFont(labelOpts.font); + const {color: fontColor, padding} = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign('left'); + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt'); + ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter'); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxWidth * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some(v => v !== 0)) { + addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius, + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i) => { + ctx.strokeStyle = legendItem.fontColor || fontColor; + ctx.fillStyle = legendItem.fontColor || fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else { + cursor.y += lineHeight; + } + }); + restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = _alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = _alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); + ctx.textBaseline = 'middle'; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = toFont(titleOpts.font); + const titlePadding = toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (_isBetween(x, this.left, this.right) + && _isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for (i = 0; i < lh.length; ++i) { + hitBox = lh[i]; + if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) + && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === 'mousemove') { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + callback(opts.onLeave, [e, previous, this], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + callback(opts.onHover, [e, hoveredItem, this], this); + } + } else if (hoveredItem) { + callback(opts.onClick, [e, hoveredItem, this], this); + } + } +} +function isListened(type, opts) { + if (type === 'mousemove' && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === 'click' || type === 'mouseup')) { + return true; + } + return false; +} +var plugin_legend = { + id: 'legend', + _element: Legend, + start(chart, _args, options) { + const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart}); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); + }, + stop(chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; + }, + beforeUpdate(chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate(chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent(chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: 'top', + align: 'center', + fullSize: true, + reverse: false, + weight: 1000, + onClick(e, legendItem, legend) { + const index = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index)) { + ci.hide(index); + legendItem.hidden = true; + } else { + ci.show(index); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx) => ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels(chart) { + const datasets = chart.data.datasets; + const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta) => { + const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); + const borderWidth = toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: 0, + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx) => ctx.chart.options.color, + display: false, + position: 'center', + text: '', + } + }, + descriptors: { + _scriptable: (name) => !name.startsWith('on'), + labels: { + _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name), + } + }, +}; + +class Title extends Element { + constructor(config) { + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = isArray(opts.text) ? opts.text.length : 1; + this._padding = toPadding(opts.padding); + const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } + } + isHorizontal() { + const pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + } + _drawArgs(offset) { + const {top, left, bottom, right, options} = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = _alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === 'left') { + titleX = left + offset; + titleY = _alignStartEnd(align, bottom, top); + rotation = PI * -0.5; + } else { + titleX = right - offset; + titleY = _alignStartEnd(align, top, bottom); + rotation = PI * 0.5; + } + maxWidth = bottom - top; + } + return {titleX, titleY, maxWidth, rotation}; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset); + renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: _toLeftRightCenter(opts.align), + textBaseline: 'middle', + translation: [titleX, titleY], + }); + } +} +function createTitle(chart, titleOpts) { + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} +var plugin_title = { + id: 'title', + _element: Title, + start(chart, _args, options) { + createTitle(chart, options); + }, + stop(chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate(chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'bold', + }, + fullSize: true, + padding: 10, + position: 'top', + text: '', + weight: 2000 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false, + }, +}; + +const map = new WeakMap(); +var plugin_subtitle = { + id: 'subtitle', + start(chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map.set(chart, title); + }, + stop(chart) { + layouts.removeBox(chart, map.get(chart)); + map.delete(chart); + }, + beforeUpdate(chart, _args, options) { + const title = map.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'normal', + }, + fullSize: true, + padding: 0, + position: 'top', + text: '', + weight: 1500 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false, + }, +}; + +const positioners = { + average(items) { + if (!items.length) { + return false; + } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest(items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for (i = 0, len = items.length; i < len; ++i) { + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; + } +}; +function pushOrConcat(base, toPush) { + if (toPush) { + if (isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + return base; +} +function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; +} +function createTooltipItem(chart, item) { + const {element, datasetIndex, index} = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const {label, value} = controller.getLabelAndValue(index); + return { + chart, + label, + parsed: controller.getParsed(index), + raw: chart.data.datasets[datasetIndex].data[index], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index, + datasetIndex, + element + }; +} +function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const {body, footer, title} = tooltip; + const {boxWidth, boxHeight} = options; + const bodyFont = toFont(options.bodyFont); + const titleFont = toFont(options.titleFont); + const footerFont = toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + + (titleLineCount - 1) * options.titleSpacing + + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + + footerLineCount * footerFont.lineHeight + + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0; + each(body, (bodyItem) => { + each(bodyItem.before, maxLineWidth); + each(bodyItem.lines, maxLineWidth); + each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return {width, height}; +} +function determineYAlign(chart, size) { + const {y, height} = size; + if (y < height / 2) { + return 'top'; + } else if (y > (chart.height - height / 2)) { + return 'bottom'; + } + return 'center'; +} +function doesNotFitWithAlign(xAlign, chart, options, size) { + const {x, width} = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === 'left' && x + width + caret > chart.width) { + return true; + } + if (xAlign === 'right' && x - width - caret < 0) { + return true; + } +} +function determineXAlign(chart, options, size, yAlign) { + const {x, width} = size; + const {width: chartWidth, chartArea: {left, right}} = chart; + let xAlign = 'center'; + if (yAlign === 'center') { + xAlign = x <= (left + right) / 2 ? 'left' : 'right'; + } else if (x <= width / 2) { + xAlign = 'left'; + } else if (x >= chartWidth - width / 2) { + xAlign = 'right'; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = 'center'; + } + return xAlign; +} +function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; +} +function alignX(size, xAlign) { + let {x, width} = size; + if (xAlign === 'right') { + x -= width; + } else if (xAlign === 'center') { + x -= (width / 2); + } + return x; +} +function alignY(size, yAlign, paddingAndSize) { + let {y, height} = size; + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= height + paddingAndSize; + } else { + y -= (height / 2); + } + return y; +} +function getBackgroundPoint(options, size, alignment, chart) { + const {caretSize, caretPadding, cornerRadius} = options; + const {xAlign, yAlign} = alignment; + const paddingAndSize = caretSize + caretPadding; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: _limitValue(x, 0, chart.width - size.width), + y: _limitValue(y, 0, chart.height - size.height) + }; +} +function getAlignedX(tooltip, align, options) { + const padding = toPadding(options.padding); + return align === 'center' + ? tooltip.x + tooltip.width / 2 + : align === 'right' + ? tooltip.x + tooltip.width - padding.right + : tooltip.x + padding.left; +} +function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); +} +function createTooltipContext(parent, tooltip, tooltipItems) { + return createContext(parent, { + tooltip, + tooltipItems, + type: 'tooltip' + }); +} +function overrideCallbacks(callbacks, context) { + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; +} +class Tooltip extends Element { + constructor(config) { + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = undefined; + this._size = undefined; + this._cachedAnimations = undefined; + this._tooltipItems = []; + this.$animations = undefined; + this.$context = undefined; + this.chart = config.chart || config._chart; + this._chart = this.chart; + this.options = config.options; + this.dataPoints = undefined; + this.title = undefined; + this.beforeBody = undefined; + this.body = undefined; + this.afterBody = undefined; + this.footer = undefined; + this.xAlign = undefined; + this.yAlign = undefined; + this.x = undefined; + this.y = undefined; + this.height = undefined; + this.width = undefined; + this.caretX = undefined; + this.caretY = undefined; + this.labelColors = undefined; + this.labelPointStyles = undefined; + this.labelTextColors = undefined; + } + initialize(options) { + this.options = options; + this._cachedAnimations = undefined; + this.$context = undefined; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || + (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const {callbacks} = options; + const beforeTitle = callbacks.beforeTitle.apply(this, [context]); + const title = callbacks.title.apply(this, [context]); + const afterTitle = callbacks.afterTitle.apply(this, [context]); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems])); + } + getBody(tooltipItems, options) { + const {callbacks} = options; + const bodyItems = []; + each(tooltipItems, (context) => { + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(this, context))); + pushOrConcat(bodyItem.lines, scoped.label.call(this, context)); + pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems])); + } + getFooter(tooltipItems, options) { + const {callbacks} = options; + const beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]); + const footer = callbacks.footer.apply(this, [tooltipItems]); + const afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for (i = 0, len = active.length; i < len; ++i) { + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data)); + } + each(tooltipItems, (context) => { + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(scoped.labelColor.call(this, context)); + labelPointStyles.push(scoped.labelPointStyle.call(this, context)); + labelTextColors.push(scoped.labelTextColor.call(this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = undefined; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, {chart: this.chart, tooltip: this, replay}); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const {xAlign, yAlign} = this; + const {caretSize, cornerRadius} = options; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius); + const {x: ptX, y: ptY} = tooltipPoint; + const {width, height} = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === 'center') { + y2 = ptY + (height / 2); + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === 'left') { + x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize); + } else if (xAlign === 'right') { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return {x1, x2, x3, y1, y2, y3}; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = 'middle'; + titleFont = toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColors = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const {boxHeight, boxWidth, boxPadding} = options; + const bodyFont = toFont(options.bodyFont); + const colorX = getAlignedX(this, 'left', options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColors.borderColor; + ctx.fillStyle = labelColors.backgroundColor; + drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = labelColors.borderWidth || 1; + ctx.strokeStyle = labelColors.borderColor; + ctx.setLineDash(labelColors.borderDash || []); + ctx.lineDashOffset = labelColors.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2); + const borderRadius = toTRBLCorners(labelColors.borderRadius); + if (Object.values(borderRadius).some(v => v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius, + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColors.backgroundColor; + ctx.beginPath(); + addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius, + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColors.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const {body} = this; + const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options; + const bodyFont = toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = 'middle'; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== 'right' + ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding) + : 0; + for (i = 0, ilen = body.length; i < ilen; ++i) { + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for (j = 0, jlen = lines.length; j < jlen; ++j) { + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = 'middle'; + footerFont = toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for (i = 0; i < length; ++i) { + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const {xAlign, yAlign} = this; + const {x, y} = pt; + const {width, height} = tooltipSize; + const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === 'top') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({datasetIndex, index}) => { + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('Cannot find a dataset at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index, + }; + }); + const changed = !_elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !_elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const {caretX, caretY, options} = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +} +Tooltip.positioners = positioners; +var plugin_tooltip = { + id: 'tooltip', + _element: Tooltip, + positioners, + afterInit(chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({chart, options}); + } + }, + beforeUpdate(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset(chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw(chart) { + const tooltip = chart.tooltip; + const args = { + tooltip + }; + if (chart.notifyPlugins('beforeTooltipDraw', args) === false) { + return; + } + if (tooltip) { + tooltip.draw(chart.ctx); + } + chart.notifyPlugins('afterTooltipDraw', args); + }, + afterEvent(chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: 'average', + backgroundColor: 'rgba(0,0,0,0.8)', + titleColor: '#fff', + titleFont: { + weight: 'bold', + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: 'left', + bodyColor: '#fff', + bodySpacing: 2, + bodyFont: { + }, + bodyAlign: 'left', + footerColor: '#fff', + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: 'bold', + }, + footerAlign: 'left', + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts) => opts.bodyFont.size, + boxWidth: (ctx, opts) => opts.bodyFont.size, + multiKeyBackground: '#fff', + displayColors: true, + boxPadding: 0, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + animation: { + duration: 400, + easing: 'easeOutQuart', + }, + animations: { + numbers: { + type: 'number', + properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'], + }, + opacity: { + easing: 'linear', + duration: 200 + } + }, + callbacks: { + beforeTitle: noop, + title(tooltipItems) { + if (tooltipItems.length > 0) { + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === 'dataset') { + return item.dataset.label || ''; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } + } + return ''; + }, + afterTitle: noop, + beforeBody: noop, + beforeLabel: noop, + label(tooltipItem) { + if (this && this.options && this.options.mode === 'dataset') { + return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; + } + let label = tooltipItem.dataset.label || ''; + if (label) { + label += ': '; + } + const value = tooltipItem.formattedValue; + if (!isNullOrUndef(value)) { + label += value; + } + return label; + }, + labelColor(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0, + }; + }, + labelTextColor() { + return this.options.bodyColor; + }, + labelPointStyle(tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + pointStyle: options.pointStyle, + rotation: options.rotation, + }; + }, + afterLabel: noop, + afterBody: noop, + beforeFooter: noop, + footer: noop, + afterFooter: noop + } + }, + defaultRoutes: { + bodyFont: 'font', + footerFont: 'font', + titleFont: 'font' + }, + descriptors: { + _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external', + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false, + }, + animation: { + _fallback: false + }, + animations: { + _fallback: 'animation' + } + }, + additionalOptionScopes: ['interaction'] +}; + +var plugins = /*#__PURE__*/Object.freeze({ +__proto__: null, +Decimation: plugin_decimation, +Filler: plugin_filler, +Legend: plugin_legend, +SubTitle: plugin_subtitle, +Title: plugin_title, +Tooltip: plugin_tooltip +}); + +const addIfString = (labels, raw, index, addedLabels) => { + if (typeof raw === 'string') { + index = labels.push(raw) - 1; + addedLabels.unshift({index, label: raw}); + } else if (isNaN(raw)) { + index = null; + } + return index; +}; +function findOrAddLabel(labels, raw, index, addedLabels) { + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index : first; +} +const validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max); +class CategoryScale extends Scale { + constructor(cfg) { + super(cfg); + this._startValue = undefined; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const {index, label} of added) { + if (labels[index] === label) { + labels.splice(index, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index = isFinite(index) && labels[index] === raw ? index + : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels); + return validIndex(index, labels.length - 1); + } + determineDataLimits() { + const {minDefined, maxDefined} = this.getUserBounds(); + let {min, max} = this.getMinMax(true); + if (this.options.bounds === 'ticks') { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for (let value = min; value <= max; value++) { + ticks.push({value}); + } + return ticks; + } + getLabelForValue(value) { + const labels = this.getLabels(); + if (value >= 0 && value < labels.length) { + return labels[value]; + } + return value; + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== 'number') { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +} +CategoryScale.id = 'category'; +CategoryScale.defaults = { + ticks: { + callback: CategoryScale.prototype.getLabelForValue + } +}; + +function generateTicks$1(generationOptions, dataRange) { + const ticks = []; + const MIN_SPACING = 1e-14; + const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const {min: rmin, max: rmax} = dataRange; + const minDefined = !isNullOrUndef(min); + const maxDefined = !isNullOrUndef(max); + const countDefined = !isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [{value: rmin}, {value: rmax}]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === 'ticks') { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; + } else { + niceMin = rmin; + niceMax = rmax; + } + if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; + } else { + numSpaces = (niceMax - niceMin) / spacing; + if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + } + const decimalPlaces = Math.max( + _decimalPlaces(spacing), + _decimalPlaces(niceMin) + ); + factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({value: min}); + if (niceMin < min) { + j++; + } + if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } + } + for (; j < numSpaces; ++j) { + ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor}); + } + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({value: max}); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({value: niceMax}); + } + return ticks; +} +function relativeLabelSize(value, minSpacing, {horizontal, minRotation}) { + const rad = toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; + const length = 0.75 * minSpacing * ('' + value).length; + return Math.min(minSpacing / ratio, length); +} +class LinearScaleBase extends Scale { + constructor(cfg) { + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._endValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + if (isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const {beginAtZero} = this.options; + const {minDefined, maxDefined} = this.getUserBounds(); + let {min, max} = this; + const setMin = v => (min = minDefined ? min : v); + const setMax = v => (max = maxDefined ? max : v); + if (beginAtZero) { + const minSign = sign(min); + const maxSign = sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = 1; + if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) { + offset = Math.abs(max * 0.05); + } + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let {maxTicksLimit, stepSize} = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1000) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1000; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } +} + +class LinearScale extends LinearScaleBase { + determineDataLimits() { + const {min, max} = this.getMinMax(true); + this.min = isNumberFinite(min) ? min : 0; + this.max = isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); + } + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +} +LinearScale.id = 'linear'; +LinearScale.defaults = { + ticks: { + callback: Ticks.formatters.numeric + } +}; + +function isMajor(tickVal) { + const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal)))); + return remain === 1; +} +function generateTicks(generationOptions, dataRange) { + const endExp = Math.floor(log10(dataRange.max)); + const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); + const ticks = []; + let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min)))); + let exp = Math.floor(log10(tickVal)); + let significand = Math.floor(tickVal / Math.pow(10, exp)); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + do { + ticks.push({value: tickVal, major: isMajor(tickVal)}); + ++significand; + if (significand === 10) { + significand = 1; + ++exp; + precision = exp >= 0 ? 1 : precision; + } + tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; + } while (exp < endExp || (exp === endExp && significand < endSignificand)); + const lastTick = finiteOrDefault(generationOptions.max, tickVal); + ticks.push({value: lastTick, major: isMajor(tickVal)}); + return ticks; +} +class LogarithmicScale extends Scale { + constructor(cfg) { + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]); + if (value === 0) { + this._zero = true; + return undefined; + } + return isNumberFinite(value) && value > 0 ? value : null; + } + determineDataLimits() { + const {min, max} = this.getMinMax(true); + this.min = isNumberFinite(min) ? Math.max(0, min) : null; + this.max = isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + this.handleTickRangeOptions(); + } + handleTickRangeOptions() { + const {minDefined, maxDefined} = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = v => (min = minDefined ? min : v); + const setMax = v => (max = maxDefined ? max : v); + const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m); + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(exp(min, -1)); + setMax(exp(max, +1)); + } + } + if (min <= 0) { + setMin(exp(max, -1)); + } + if (max <= 0) { + setMax(exp(min, +1)); + } + if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) { + setMin(exp(min, -1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === 'ticks') { + _setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === undefined + ? '0' + : formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = log10(start); + this._valueRange = log10(this.max) - log10(start); + } + getPixelForValue(value) { + if (value === undefined || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min + ? 0 + : (log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); + } +} +LogarithmicScale.id = 'logarithmic'; +LogarithmicScale.defaults = { + ticks: { + callback: Ticks.formatters.logarithmic, + major: { + enabled: true + } + } +}; + +function getTickBackdropHeight(opts) { + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = toPadding(tickOpts.backdropPadding); + return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; + } + return 0; +} +function measureLabelSize(ctx, font, label) { + label = isArray(label) ? label : [label]; + return { + w: _longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; +} +function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - (size / 2), + end: pos + (size / 2) + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } + return { + start: pos, + end: pos + size + }; +} +function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0; + for (let i = 0; i < valueCount; i++) { + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint( + orig.l - limits.l, + limits.r - orig.r, + orig.t - limits.t, + limits.b - orig.b + ); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); +} +function updateLimits(limits, orig, angle, hLimits, vLimits) { + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const extra = getTickBackdropHeight(opts) / 2; + const outerDistance = scale.drawingArea; + const additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0; + for (let i = 0; i < valueCount; i++) { + const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle); + const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI))); + const size = labelSizes[i]; + const y = yForAngle(pointLabelPosition.y, size.h, angle); + const textAlign = getTextAlignForAngle(angle); + const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); + items.push({ + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }); + } + return items; +} +function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + return 'right'; +} +function leftForTextAlign(x, w, align) { + if (align === 'right') { + x -= w; + } else if (align === 'center') { + x -= (w / 2); + } + return x; +} +function yForAngle(y, h, angle) { + if (angle === 90 || angle === 270) { + y -= (h / 2); + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabels(scale, labelCount) { + const {ctx, options: {pointLabels}} = scale; + for (let i = labelCount - 1; i >= 0; i--) { + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + const plFont = toFont(optsAtIndex.font); + const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i]; + const {backdropColor} = optsAtIndex; + if (!isNullOrUndef(backdropColor)) { + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillStyle = backdropColor; + ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height); + } + renderText( + ctx, + scale._pointLabels[i], + x, + y + (plFont.lineHeight / 2), + plFont, + { + color: optsAtIndex.color, + textAlign: textAlign, + textBaseline: 'middle' + } + ); + } +} +function pathRadiusLine(scale, radius, circular, labelCount) { + const {ctx} = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for (let i = 1; i < labelCount; i++) { + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + } +} +function drawRadiusLine(scale, gridLineOpts, radius, labelCount) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const {color, lineWidth} = gridLineOpts; + if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.setLineDash(gridLineOpts.borderDash); + ctx.lineDashOffset = gridLineOpts.borderDashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); +} +function createPointLabelContext(parent, index, label) { + return createContext(parent, { + label, + index, + type: 'pointLabel' + }); +} +class RadialLinearScale extends LinearScaleBase { + constructor(cfg) { + super(cfg); + this.xCenter = undefined; + this.yCenter = undefined; + this.drawingArea = undefined; + this._pointLabels = []; + this._pointLabelItems = []; + } + setDimensions() { + const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); + } + determineDataLimits() { + const {min, max} = this.getMinMax(false); + this.min = isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels() + .map((value, index) => { + const label = callback(this.options.pointLabels.callback, [value, index], this); + return label || label === 0 ? label : ''; + }) + .filter((v, i) => this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index) { + const angleMultiplier = TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return _normalizeAngle(index * angleMultiplier + toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index) { + const pointLabels = this._pointLabels || []; + if (index >= 0 && index < pointLabels.length) { + const pointLabel = pointLabels[index]; + return createPointLabelContext(this.getContext(), index, pointLabel); + } + } + getPointPosition(index, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index) { + return this.getPointPositionForValue(index || 0, this.getBaseValue()); + } + getPointLabelPosition(index) { + const {left, top, right, bottom} = this._pointLabelItems[index]; + return { + left, + top, + right, + bottom, + }; + } + drawBackground() { + const {backgroundColor, grid: {circular}} = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const {angleLines, grid} = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index) => { + if (index !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const optsAtIndex = grid.setContext(this.getContext(index - 1)); + drawRadiusLine(this, optsAtIndex, offset, labelCount); + } + }); + } + if (angleLines.display) { + ctx.save(); + for (i = labelCount - 1; i >= 0; i--) { + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const {color, lineWidth} = optsAtIndex; + if (!lineWidth || !color) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() {} + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + this.ticks.forEach((tick, index) => { + if (index === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index)); + const tickFont = toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = toPadding(optsAtIndex.backdropPadding); + ctx.fillRect( + -width / 2 - padding.left, + -offset - tickFont.size / 2 - padding.top, + width + padding.width, + tickFont.size + padding.height + ); + } + renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color, + }); + }); + ctx.restore(); + } + drawTitle() {} +} +RadialLinearScale.id = 'radialLinear'; +RadialLinearScale.defaults = { + display: true, + animate: true, + position: 'chartArea', + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0.0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: undefined, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback(label) { + return label; + }, + padding: 5, + centerPointLabels: false + } +}; +RadialLinearScale.defaultRoutes = { + 'angleLines.color': 'borderColor', + 'pointLabels.color': 'color', + 'ticks.color': 'color' +}; +RadialLinearScale.descriptors = { + angleLines: { + _fallback: 'grid' + } +}; + +const INTERVALS = { + millisecond: {common: true, size: 1, steps: 1000}, + second: {common: true, size: 1000, steps: 60}, + minute: {common: true, size: 60000, steps: 60}, + hour: {common: true, size: 3600000, steps: 24}, + day: {common: true, size: 86400000, steps: 30}, + week: {common: false, size: 604800000, steps: 4}, + month: {common: true, size: 2.628e9, steps: 12}, + quarter: {common: false, size: 7.884e9, steps: 4}, + year: {common: true, size: 3.154e10} +}; +const UNITS = (Object.keys(INTERVALS)); +function sorter(a, b) { + return a - b; +} +function parse(scale, input) { + if (isNullOrUndef(input)) { + return null; + } + const adapter = scale._adapter; + const {parser, round, isoWeekday} = scale._parseOpts; + let value = input; + if (typeof parser === 'function') { + value = parser(value); + } + if (!isNumberFinite(value)) { + value = typeof parser === 'string' + ? adapter.parse(value, parser) + : adapter.parse(value); + } + if (value === null) { + return null; + } + if (round) { + value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) + ? adapter.startOf(value, 'isoWeek', isoWeekday) + : adapter.startOf(value, round); + } + return +value; +} +function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} +function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} +function determineMajorUnit(unit) { + for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} +function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const {lo, hi} = _lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} +function setMajorTicks(scale, ticks, map, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index; + for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { + index = map[major]; + if (index >= 0) { + ticks[index].major = true; + } + } + return ticks; +} +function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map = {}; + const ilen = values.length; + let i, value; + for (i = 0; i < ilen; ++i) { + value = values[i]; + map[value] = i; + ticks.push({ + value, + major: false + }); + } + return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit); +} +class TimeScale extends Scale { + constructor(props) { + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = 'day'; + this._majorUnit = undefined; + this._offsets = {}; + this._normalized = false; + this._parseOpts = undefined; + } + init(scaleOpts, opts) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new _adapters._date(scaleOpts.adapters.date); + mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; + } + parse(raw, index) { + if (raw === undefined) { + return null; + } + return parse(this, raw); + } + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; + } + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || 'day'; + let {min, max, minDefined, maxDefined} = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { + _applyBounds(this.getMinMax(false)); + } + } + min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); + } + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return {min, max}; + } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === 'ticks' && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = _filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip + ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) + : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined + : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); + } + initOffsets(timestamps) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = _limitValue(start, 0, limit); + end = _limitValue(end, 0, limit); + this._offsets = {start, end, factor: 1 / (start + 1 + end)}; + } + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = valueOrDefault(timeOpts.stepSize, 1); + const weekday = minor === 'week' ? timeOpts.isoWeekday : false; + const hasWeekday = isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, 'isoWeek', weekday); + } + first = +adapter.startOf(first, hasWeekday ? 'day' : minor); + if (adapter.diff(max, min, minor) > 100000 * stepSize) { + throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + } + const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); + for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) { + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === 'ticks' || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort((a, b) => a - b).map(x => +x); + } + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); + } + _tickFormatFunction(time, index, ticks, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index]; + const major = majorUnit && majorFormat && tick && tick.major; + const label = this._adapter.format(time, format || (major ? majorFormat : minorFormat)); + const formatter = options.ticks.callback; + return formatter ? callback(formatter, [label, index, ticks], this) : label; + } + generateTickLabels(ticks) { + let i, ilen, tick; + for (i = 0, ilen = ticks.length; i < ilen; ++i) { + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } + } + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); + } + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); + } + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation), + h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation) + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return (this._cache.data = metas[0].controller.getAllParsedValues(this)); + } + for (i = 0, ilen = metas.length; i < ilen; ++i) { + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return (this._cache.data = this.normalize(timestamps)); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for (i = 0, ilen = labels.length; i < ilen; ++i) { + timestamps.push(parse(this, labels[i])); + } + return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps)); + } + normalize(values) { + return _arrayUnique(values.sort(sorter)); + } +} +TimeScale.id = 'time'; +TimeScale.defaults = { + bounds: 'data', + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: 'millisecond', + displayFormats: {} + }, + ticks: { + source: 'auto', + major: { + enabled: false + } + } +}; + +function interpolate(table, val, reverse) { + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({lo, hi} = _lookupByKey(table, 'pos', val)); + } + ({pos: prevSource, time: prevTarget} = table[lo]); + ({pos: nextSource, time: nextTarget} = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({lo, hi} = _lookupByKey(table, 'time', val)); + } + ({time: prevSource, pos: prevTarget} = table[lo]); + ({time: nextSource, pos: nextTarget} = table[hi]); + } + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; +} +class TimeSeriesScale extends TimeScale { + constructor(props) { + super(props); + this._table = []; + this._minPos = undefined; + this._tableRange = undefined; + } + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate(table, this.min); + this._tableRange = interpolate(table, this.max) - this._minPos; + super.initOffsets(timestamps); + } + buildLookupTable(timestamps) { + const {min, max} = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for (i = 0, ilen = timestamps.length; i < ilen; ++i) { + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + {time: min, pos: 0}, + {time: max, pos: 1} + ]; + } + for (i = 0, ilen = items.length; i < ilen; ++i) { + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({time: curr, pos: i / (ilen - 1)}); + } + } + return table; + } + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data.length && label.length) { + timestamps = this.normalize(data.concat(label)); + } else { + timestamps = data.length ? data : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; + } + getDecimalForValue(value) { + return (interpolate(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate(this._table, decimal * this._tableRange + this._minPos, true); + } +} +TimeSeriesScale.id = 'timeseries'; +TimeSeriesScale.defaults = TimeScale.defaults; + +var scales = /*#__PURE__*/Object.freeze({ +__proto__: null, +CategoryScale: CategoryScale, +LinearScale: LinearScale, +LogarithmicScale: LogarithmicScale, +RadialLinearScale: RadialLinearScale, +TimeScale: TimeScale, +TimeSeriesScale: TimeSeriesScale +}); + +Chart.register(controllers, scales, elements, plugins); +Chart.helpers = {...helpers}; +Chart._adapters = _adapters; +Chart.Animation = Animation; +Chart.Animations = Animations; +Chart.animator = animator; +Chart.controllers = registry.controllers.items; +Chart.DatasetController = DatasetController; +Chart.Element = Element; +Chart.elements = elements; +Chart.Interaction 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0.75)",backdropPadding:2}}),bt.route("scale.ticks","color","","color"),bt.route("scale.grid","color","","borderColor"),bt.route("scale.grid","borderColor","","borderColor"),bt.route("scale.title","color","","color"),bt.describe("scale",{_fallback:!1,_scriptable:t=>!t.startsWith("before")&&!t.startsWith("after")&&"callback"!==t&&"parser"!==t,_indexable:t=>"borderDash"!==t&&"tickBorderDash"!==t}),bt.describe("scales",{_fallback:"scale"}),bt.describe("scale.ticks",{_scriptable:t=>"backdropPadding"!==t&&"callback"!==t,_indexable:t=>"backdropPadding"!==t});const Ls=(t,e,i)=>"top"===e||"left"===e?t[e]+i:t[e]-i;function Rs(t,e){const i=[],s=t.length/e,n=t.length;let o=0;for(;oa+r)))return h}function Is(t){return t.drawTicks?t.tickLength:0}function zs(t,e){if(!t.display)return 0;const i=He(t.font,e),s=Ne(t.padding);return(Y(t.text)?t.text.length:1)*i.lineHeight+s.height}function Fs(t,e,i){let n=s(t);return(i&&"right"!==e||!i&&"right"===e)&&(n=(t=>"left"===t?"right":"right"===t?"left":t)(n)),n}class Bs extends Ds{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=q(t,Number.POSITIVE_INFINITY),e=q(e,Number.NEGATIVE_INFINITY),i=q(i,Number.POSITIVE_INFINITY),s=q(s,Number.NEGATIVE_INFINITY),{min:q(t,i),max:q(e,s),minDefined:X(t),maxDefined:X(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;rs?s:i,s=n&&i>s?i:s,{min:q(i,q(s,i)),max:q(s,q(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){J(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=$e(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=jt(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Is(t.grid)-e.padding-zs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=zt(Math.min(Math.asin(jt((h.highest.height+6)/o,-1,1)),Math.asin(jt(a/r,-1,1))-Math.asin(jt(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){J(this.options.afterCalculateLabelRotation,[this])}beforeFit(){J(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=zs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Is(n)+o):(t.height=this.maxHeight,t.width=Is(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=It(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){J(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n({width:n[t]||0,height:o[t]||0});return{first:v(0),last:v(e-1),widest:v(_),highest:v(y),widths:n,heights:o}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return $t(this._alignToPixels?Kt(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&ta*s?a/i:r/s:r*s0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:o}=s,a=n.offset,r=this.isHorizontal(),l=this.ticks.length+(a?1:0),h=Is(n),c=[],d=n.setContext(this.getContext()),u=d.drawBorder?d.borderWidth:0,f=u/2,g=function(t){return Kt(i,t,u)};let p,m,x,b,_,y,v,w,M,k,S,P;if("top"===o)p=g(this.bottom),y=this.bottom-h,w=p-f,k=g(t.top)+f,P=t.bottom;else if("bottom"===o)p=g(this.top),k=t.top,P=g(t.bottom)-f,y=p+f,w=this.top+h;else if("left"===o)p=g(this.right),_=this.right-h,v=p-f,M=g(t.left)+f,S=t.right;else if("right"===o)p=g(this.left),M=t.left,S=g(t.right)-f,_=p+f,v=this.left+h;else if("x"===e){if("center"===o)p=g((t.top+t.bottom)/2+.5);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}k=t.top,P=t.bottom,y=p+f,w=y+h}else if("y"===e){if("center"===o)p=g((t.left+t.right)/2);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}_=p-f,v=_-h,M=t.left,S=t.right}const D=K(s.ticks.maxTicksLimit,l),C=Math.max(1,Math.ceil(l/D));for(m=0;me.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:i+1,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){const e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID",s=[];let n,o;for(n=0,o=e.length;n{const s=i.split("."),n=s.pop(),o=[t].concat(s).join("."),a=e[i].split("."),r=a.pop(),l=a.join(".");bt.route(o,n,l,r)}))}(e,t.defaultRoutes);t.descriptors&&bt.describe(e,t.descriptors)}(t,o,i),this.override&&bt.override(t.id,t.overrides)),o}get(t){return this.items[t]}unregister(t){const e=this.items,i=t.id,s=this.scope;i in e&&delete e[i],s&&i in bt[s]&&(delete bt[s][i],this.override&&delete gt[i])}}var Ws=new class{constructor(){this.controllers=new Vs(Ps,"datasets",!0),this.elements=new Vs(Ds,"elements"),this.plugins=new Vs(Object,"plugins"),this.scales=new Vs(Bs,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):Q(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=ht(t);J(i["before"+s],[],i),e[t](i),J(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;et.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function Hs(t,e){return e||!1!==t?!0===t?{}:t:null}function js(t,e,i,s){const n=t.pluginScopeKeys(e),o=t.getOptionScopes(i,n);return t.createResolver(o,s,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function $s(t,e){const i=bt.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function Ys(t,e){return"x"===t||"y"===t?t:e.axis||("top"===(i=e.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.charAt(0).toLowerCase();var i}function Us(t){const e=t.options||(t.options={});e.plugins=K(e.plugins,{}),e.scales=function(t,e){const i=gt[t.type]||{scales:{}},s=e.scales||{},n=$s(t.type,e),o=Object.create(null),a=Object.create(null);return Object.keys(s).forEach((t=>{const e=s[t];if(!U(e))return console.error(`Invalid scale configuration for scale: ${t}`);if(e._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${t}`);const r=Ys(t,e),l=function(t,e){return t===e?"_index_":"_value_"}(r,n),h=i.scales||{};o[r]=o[r]||t,a[t]=ot(Object.create(null),[{axis:r},e,h[r],h[l]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,r=i.indexAxis||$s(n,e),l=(gt[n]||{}).scales||{};Object.keys(l).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,r),n=i[e+"AxisID"]||o[e]||e;a[n]=a[n]||Object.create(null),ot(a[n],[{axis:e},s[n],l[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];ot(e,[bt.scales[e.type],bt.scale])})),a}(t,e)}function Xs(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const qs=new Map,Ks=new Set;function Gs(t,e){let i=qs.get(t);return i||(i=e(),qs.set(t,i),Ks.add(i)),i}const Zs=(t,e,i)=>{const s=lt(e,i);void 0!==s&&t.add(s)};class Js{constructor(t){this._config=function(t){return(t=t||{}).data=Xs(t.data),Us(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=Xs(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),Us(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return Gs(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return Gs(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return Gs(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return Gs(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>Zs(r,t,e)))),e.forEach((t=>Zs(r,s,t))),e.forEach((t=>Zs(r,gt[n]||{},t))),e.forEach((t=>Zs(r,bt,t))),e.forEach((t=>Zs(r,pt,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),Ks.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,gt[e]||{},bt.datasets[e]||{},{type:e},bt,pt]}resolveNamedOptions(t,e,i,s=[""]){const n={$shared:!0},{resolver:o,subPrefixes:a}=Qs(this._resolverCache,t,s);let r=o;if(function(t,e){const{isScriptable:i,isIndexable:s}=ri(t);for(const n of e){const e=i(n),o=s(n),a=(o||e)&&t[n];if(e&&(dt(a)||tn(a))||o&&Y(a))return!0}return!1}(o,e)){n.$shared=!1;r=ai(o,i=dt(i)?i():i,this.createResolver(t,i,a))}for(const t of e)n[t]=r[t];return n}createResolver(t,e,i=[""],s){const{resolver:n}=Qs(this._resolverCache,t,i);return U(e)?ai(n,e,void 0,s):n}}function Qs(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:oi(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const tn=t=>U(t)&&Object.getOwnPropertyNames(t).reduce(((e,i)=>e||dt(t[i])),!1);const en=["top","bottom","left","right","chartArea"];function sn(t,e){return"top"===t||"bottom"===t||-1===en.indexOf(t)&&"x"===e}function nn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function on(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),J(i&&i.onComplete,[t],e)}function an(t){const e=t.chart,i=e.options.animation;J(i&&i.onProgress,[t],e)}function rn(t){return ge()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const ln={},hn=t=>{const e=rn(t);return Object.values(ln).filter((t=>t.canvas===e)).pop()};function cn(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}class dn{constructor(t,e){const s=this.config=new Js(e),n=rn(t),o=hn(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas can be reused.");const r=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||ls(n)),this.platform.updateConfig(s);const l=this.platform.acquireContext(n,r.aspectRatio),h=l&&l.canvas,c=h&&h.height,d=h&&h.width;this.id=j(),this.ctx=l,this.canvas=h,this.width=d,this.height=c,this._options=r,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new Ns,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=i((t=>this.update(t)),r.resizeDelay||0),this._dataChanges=[],ln[this.id]=this,l&&h?(a.listen(this,"complete",on),a.listen(this,"progress",an),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:s,_aspectRatio:n}=this;return $(t)?e&&n?n:s?i/s:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Gt(this.canvas,this.ctx),this}stop(){return a.stop(this),this}resize(t,e){a.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),J(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){Q(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=Ys(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),Q(n,(e=>{const n=e.options,o=n.id,a=Ys(o,n),r=K(n.type,e.dtype);void 0!==n.position&&sn(n.position,a)===sn(e.dposition)||(n.position=e.dposition),s[o]=!0;let l=null;if(o in i&&i[o].type===r)l=i[o];else{l=new(Ws.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[l.id]=l}l.init(n,t)})),Q(s,((t,e)=>{t||delete i[e]})),Q(i,(t=>{ni.configure(this,t,t.options),ni.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;te.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(nn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){Q(this.scales,(t=>{ni.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);ut(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){cn(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;tt.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;ni.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],Q(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i=t._clip,s=!i.disabled,n=this.chartArea,o={meta:t,index:t.index,cancelable:!0};!1!==this.notifyPlugins("beforeDatasetDraw",o)&&(s&&Qt(e,{left:!1===i.left?0:n.left-i.left,right:!1===i.right?this.width:n.right+i.right,top:!1===i.top?0:n.top-i.top,bottom:!1===i.bottom?this.height:n.bottom+i.bottom}),t.controller.draw(),s&&te(e),o.cancelable=!1,this.notifyPlugins("afterDatasetDraw",o))}getElementsAtEventForMode(t,e,i,s){const n=Ee.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ye(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);ct(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),a.remove(this),t=0,e=this.data.datasets.length;t{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};Q(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){Q(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},Q(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!tt(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:Jt(t,this.chartArea,this._minPadding)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=ft(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,J(n.onHover,[t,a,this],this),r&&J(n.onClick,[t,a,this],this));const h=!tt(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}const un=()=>Q(dn.instances,(t=>t._plugins.invalidate())),fn=!0;function gn(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}Object.defineProperties(dn,{defaults:{enumerable:fn,value:bt},instances:{enumerable:fn,value:ln},overrides:{enumerable:fn,value:gt},registry:{enumerable:fn,value:Ws},version:{enumerable:fn,value:"3.7.1"},getChart:{enumerable:fn,value:hn},register:{enumerable:fn,value:(...t)=>{Ws.add(...t),un()}},unregister:{enumerable:fn,value:(...t)=>{Ws.remove(...t),un()}}});class pn{constructor(t){this.options=t||{}}formats(){return gn()}parse(t,e){return gn()}format(t,e){return gn()}add(t,e,i){return gn()}diff(t,e,i){return gn()}startOf(t,e,i){return gn()}endOf(t,e){return gn()}}pn.override=function(t){Object.assign(pn.prototype,t)};var mn={_date:pn};function xn(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;et-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(ct(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;sMath.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function _n(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;ht.x,i="left",s="right"):(e=t.base=i?1:-1)}(c,e,o)*n,d===o&&(p-=c/2),h=p+c),p===e.getPixelForValue(o)){const t=Ct(c)*e.getLineWidthForValue(o)/2;p+=t,c-=t}return{size:c,base:p,head:h,center:h+c/2}}_calculateBarIndexPixels(t,e){const i=e.scale,s=this.options,n=s.skipNull,o=K(s.maxBarThickness,1/0);let a,r;if(e.grouped){const i=n?this._getStackCount(t):e.stackCount,l="flex"===s.barThickness?function(t,e,i,s){const n=e.pixels,o=n[t];let a=t>0?n[t-1]:null,r=t=0;--i)e=Math.max(e,t[i].size(this.resolveDataElementOptions(i))/2);return e>0&&e}getLabelAndValue(t){const e=this._cachedMeta,{xScale:i,yScale:s}=e,n=this.getParsed(t),o=i.getLabelForValue(n.x),a=s.getLabelForValue(n.y),r=n._custom;return{label:e.label,value:"("+o+", "+a+(r?", "+r:"")+")"}}update(t){const e=this._cachedMeta.data;this.updateElements(e,0,e.length,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a}=this._cachedMeta,r=this.resolveDataElementOptions(e,s),l=this.getSharedOptions(r),h=this.includeOptions(s,l),c=o.axis,d=a.axis;for(let r=e;r""}}}};class Dn extends Ps{constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,o,a=t=>+i[t];if(U(i[t])){const{key:t="value"}=this._parsing;a=e=>+lt(i[e],t)}for(n=t,o=t+e;nHt(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>Ht(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(kt,c,u),x=g(_t,h,d),b=g(_t+kt,c,u);s=(p-x)/2,n=(m-b)/2,o=-(p+x)/2,a=-(m+b)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(c,h,r),p=(i.width-o)/d,m=(i.height-o)/u,x=Math.max(Math.min(p,m)/2,0),b=Z(this.options.radius,x),_=(b-Math.max(b*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=f*b,this.offsetY=g*b,s.total=this.calculateTotal(),this.outerRadius=b-_*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-_*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/yt)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,f=this.resolveDataElementOptions(e,s),g=this.getSharedOptions(f),p=this.includeOptions(s,g);let m,x=this._getRotation();for(m=0;m0&&!isNaN(t)?yt*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s"spacing"!==t,_indexable:t=>"spacing"!==t},Dn.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label(t){let e=t.label;const i=": "+t.formattedValue;return Y(e)?(e=e.slice(),e[0]+=i):e+=i,e}}}}};class Cn extends Ps{initialize(){this.enableOptionSharing=!0,super.initialize()}update(t){const e=this._cachedMeta,{dataset:i,data:s=[],_dataset:n}=e,o=this.chart._animationsDisabled;let{start:a,count:r}=function(t,e,i){const s=e.length;let n=0,o=s;if(t._sorted){const{iScale:a,_parsed:r}=t,l=a.axis,{min:h,max:c,minDefined:d,maxDefined:u}=a.getUserBounds();d&&(n=jt(Math.min(re(r,a.axis,h).lo,i?s:re(e,l,a.getPixelForValue(h)).lo),0,s-1)),o=u?jt(Math.max(re(r,a.axis,c).hi+1,i?0:re(e,l,a.getPixelForValue(c)).hi+1),n,s)-n:s-n}return{start:n,count:o}}(e,s,o);this._drawStart=a,this._drawCount=r,function(t){const{xScale:e,yScale:i,_scaleRanges:s}=t,n={xmin:e.min,xmax:e.max,ymin:i.min,ymax:i.max};if(!s)return t._scaleRanges=n,!0;const o=s.xmin!==e.min||s.xmax!==e.max||s.ymin!==i.min||s.ymax!==i.max;return Object.assign(s,n),o}(e)&&(a=0,r=s.length),i._chart=this.chart,i._datasetIndex=this.index,i._decimated=!!n._decimated,i.points=s;const l=this.resolveDatasetElementOptions(t);this.options.showLine||(l.borderWidth=0),l.segment=this.options.segment,this.updateElement(i,void 0,{animated:!o,options:l},t),this.updateElements(s,a,r,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a,_stacked:r,_dataset:l}=this._cachedMeta,h=this.resolveDataElementOptions(e,s),c=this.getSharedOptions(h),d=this.includeOptions(s,c),u=o.axis,f=a.axis,{spanGaps:g,segment:p}=this.options,m=Tt(g)?g:Number.POSITIVE_INFINITY,x=this.chart._animationsDisabled||n||"none"===s;let b=e>0&&this.getParsed(e-1);for(let h=e;h0&&i[u]-b[u]>m,p&&(g.parsed=i,g.raw=l.data[h]),d&&(g.options=c||this.resolveDataElementOptions(h,e.active?"active":s)),x||this.updateElement(e,h,g,s),b=i}this.updateSharedOptions(c,s,h)}getMaxOverflow(){const t=this._cachedMeta,e=t.dataset,i=e.options&&e.options.borderWidth||0,s=t.data||[];if(!s.length)return i;const n=s[0].size(this.resolveDataElementOptions(0)),o=s[s.length-1].size(this.resolveDataElementOptions(s.length-1));return Math.max(i,n,o)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}}Cn.id="line",Cn.defaults={datasetElementType:"line",dataElementType:"point",showLine:!0,spanGaps:!1},Cn.overrides={scales:{_index_:{type:"category"},_value_:{type:"linear"}}};class On extends Ps{constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t].r,i.options.locale);return{label:s[t]||"",value:n}}update(t){const e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=this.getDataset(),r=o.options.animation,l=this._cachedMeta.rScale,h=l.xCenter,c=l.yCenter,d=l.getIndexAngle(0)-.5*_t;let u,f=d;const g=360/this.countVisibleElements();for(u=0;u{!isNaN(t.data[s])&&this.chart.getDataVisibility(s)&&i++})),i}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?It(this.resolveDataElementOptions(t,e).angle||i):0}}On.id="polarArea",On.defaults={dataElementType:"arc",animation:{animateRotate:!0,animateScale:!0},animations:{numbers:{type:"number",properties:["x","y","startAngle","endAngle","innerRadius","outerRadius"]}},indexAxis:"r",startAngle:0},On.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label:t=>t.chart.data.labels[t.dataIndex]+": "+t.formattedValue}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};class An extends Dn{}An.id="pie",An.defaults={cutout:0,rotation:0,circumference:360,radius:"100%"};class Tn extends Ps{getLabelAndValue(t){const e=this._cachedMeta.vScale,i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}update(t){const e=this._cachedMeta,i=e.dataset,s=e.data||[],n=e.iScale.getLabels();if(i.points=s,"resize"!==t){const e=this.resolveDatasetElementOptions(t);this.options.showLine||(e.borderWidth=0);const o={_loop:!0,_fullLoop:n.length===s.length,options:e};this.updateElement(i,void 0,o,t)}this.updateElements(s,0,s.length,t)}updateElements(t,e,i,s){const n=this.getDataset(),o=this._cachedMeta.rScale,a="reset"===s;for(let r=e;r"",label:t=>"("+t.label+", "+t.formattedValue+")"}}},scales:{x:{type:"linear"},y:{type:"linear"}}};var Rn=Object.freeze({__proto__:null,BarController:Sn,BubbleController:Pn,DoughnutController:Dn,LineController:Cn,PolarAreaController:On,PieController:An,RadarController:Tn,ScatterController:Ln});function En(t,e,i){const{startAngle:s,pixelMargin:n,x:o,y:a,outerRadius:r,innerRadius:l}=e;let h=n/r;t.beginPath(),t.arc(o,a,r,s-h,i+h),l>n?(h=n/l,t.arc(o,a,l,i+h,s-h,!0)):t.arc(o,a,n,i+kt,s-kt),t.closePath(),t.clip()}function In(t,e,i,s){const n=Be(t.options.borderRadius,["outerStart","outerEnd","innerStart","innerEnd"]);const o=(i-e)/2,a=Math.min(o,s*e/2),r=t=>{const e=(i-Math.min(o,t))*s/2;return jt(t,0,Math.min(o,e))};return{outerStart:r(n.outerStart),outerEnd:r(n.outerEnd),innerStart:jt(n.innerStart,0,a),innerEnd:jt(n.innerEnd,0,a)}}function zn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function Fn(t,e,i,s,n){const{x:o,y:a,startAngle:r,pixelMargin:l,innerRadius:h}=e,c=Math.max(e.outerRadius+s+i-l,0),d=h>0?h+s+i+l:0;let u=0;const f=n-r;if(s){const t=((h>0?h-s:0)+(c>0?c-s:0))/2;u=(f-(0!==t?f*t/(t+s):f))/2}const g=(f-Math.max(.001,f*c-i/_t)/c)/2,p=r+g+u,m=n-g-u,{outerStart:x,outerEnd:b,innerStart:_,innerEnd:y}=In(e,d,c,m-p),v=c-x,w=c-b,M=p+x/v,k=m-b/w,S=d+_,P=d+y,D=p+_/S,C=m-y/P;if(t.beginPath(),t.arc(o,a,c,M,k),b>0){const e=zn(w,k,o,a);t.arc(e.x,e.y,b,k,m+kt)}const O=zn(P,m,o,a);if(t.lineTo(O.x,O.y),y>0){const e=zn(P,C,o,a);t.arc(e.x,e.y,y,m+kt,C+Math.PI)}if(t.arc(o,a,d,m-y/d,p+_/d,!0),_>0){const e=zn(S,D,o,a);t.arc(e.x,e.y,_,D+Math.PI,p-kt)}const A=zn(v,p,o,a);if(t.lineTo(A.x,A.y),x>0){const e=zn(v,M,o,a);t.arc(e.x,e.y,x,p-kt,M)}t.closePath()}function Bn(t,e,i,s,n){const{options:o}=e,{borderWidth:a,borderJoinStyle:r}=o,l="inner"===o.borderAlign;a&&(l?(t.lineWidth=2*a,t.lineJoin=r||"round"):(t.lineWidth=a,t.lineJoin=r||"bevel"),e.fullCircles&&function(t,e,i){const{x:s,y:n,startAngle:o,pixelMargin:a,fullCircles:r}=e,l=Math.max(e.outerRadius-a,0),h=e.innerRadius+a;let c;for(i&&En(t,e,o+yt),t.beginPath(),t.arc(s,n,h,o+yt,o,!0),c=0;c=yt||Ht(n,a,r),f=Yt(o,l+d,h+d);return u&&f}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius","circumference"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/2,n=(e.spacing||0)/2;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>yt?Math.floor(i/yt):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();let o=0;if(s){o=s/2;const e=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(e)*o,Math.sin(e)*o),this.circumference>=_t&&(o=s)}t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor;const a=function(t,e,i,s){const{fullCircles:n,startAngle:o,circumference:a}=e;let r=e.endAngle;if(n){Fn(t,e,i,s,o+yt);for(let e=0;er&&o>r;return{count:s,start:l,loop:e.loop,ilen:h(a+(h?r-t:t))%o,_=()=>{f!==g&&(t.lineTo(m,g),t.lineTo(m,f),t.lineTo(m,p))};for(l&&(d=n[b(0)],t.moveTo(d.x,d.y)),c=0;c<=r;++c){if(d=n[b(c)],d.skip)continue;const e=d.x,i=d.y,s=0|e;s===u?(ig&&(g=i),m=(x*m+e)/++x):(_(),t.lineTo(e,i),u=s,x=0,f=g=i),p=i}_()}function Yn(t){const e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?$n:jn}Vn.id="arc",Vn.defaults={borderAlign:"center",borderColor:"#fff",borderJoinStyle:void 0,borderRadius:0,borderWidth:2,offset:0,spacing:0,angle:void 0},Vn.defaultRoutes={backgroundColor:"backgroundColor"};const Un="function"==typeof Path2D;function Xn(t,e,i,s){Un&&!e.options.segment?function(t,e,i,s){let n=e._path;n||(n=e._path=new Path2D,e.path(n,i,s)&&n.closePath()),Wn(t,e.options),t.stroke(n)}(t,e,i,s):function(t,e,i,s){const{segments:n,options:o}=e,a=Yn(e);for(const r of n)Wn(t,o,r.style),t.beginPath(),a(t,e,r,{start:i,end:i+s-1})&&t.closePath(),t.stroke()}(t,e,i,s)}class qn extends Ds{constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;ki(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=Ni(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Wi(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?Ai:t.tension||"monotone"===t.cubicInterpolationMode?Ti:Oi}(i);let l,h;for(l=0,h=o.length;l"borderDash"!==t&&"fill"!==t};class Gn extends Ds{constructor(t){super(),this.options=void 0,this.parsed=void 0,this.skip=void 0,this.stop=void 0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.options,{x:n,y:o}=this.getProps(["x","y"],i);return Math.pow(t-n,2)+Math.pow(e-o,2){oo(t)}))}var ro={id:"decimation",defaults:{algorithm:"min-max",enabled:!1},beforeElementsUpdate:(t,e,i)=>{if(!i.enabled)return void ao(t);const s=t.width;t.data.datasets.forEach(((e,n)=>{const{_data:o,indexAxis:a}=e,r=t.getDatasetMeta(n),l=o||e.data;if("y"===je([a,t.options.indexAxis]))return;if("line"!==r.type)return;const h=t.scales[r.xAxisID];if("linear"!==h.type&&"time"!==h.type)return;if(t.options.parsing)return;let{start:c,count:d}=function(t,e){const i=e.length;let s,n=0;const{iScale:o}=t,{min:a,max:r,minDefined:l,maxDefined:h}=o.getUserBounds();return l&&(n=jt(re(e,o.axis,a).lo,0,i-1)),s=h?jt(re(e,o.axis,r).hi+1,n,i)-n:i-n,{start:n,count:s}}(r,l);if(d<=(i.threshold||4*s))return void oo(e);let u;switch($(o)&&(e._data=l,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}})),i.algorithm){case"lttb":u=function(t,e,i,s,n){const o=n.samples||s;if(o>=i)return t.slice(e,e+i);const a=[],r=(i-2)/(o-2);let l=0;const h=e+i-1;let c,d,u,f,g,p=e;for(a[l++]=t[p],c=0;cu&&(u=f,d=t[s],g=s);a[l++]=d,p=g}return a[l++]=t[h],a}(l,c,d,s,i);break;case"min-max":u=function(t,e,i,s){let n,o,a,r,l,h,c,d,u,f,g=0,p=0;const m=[],x=e+i-1,b=t[e].x,_=t[x].x-b;for(n=e;nf&&(f=r,c=n),g=(p*g+o.x)/++p;else{const i=n-1;if(!$(h)&&!$(c)){const e=Math.min(h,c),s=Math.max(h,c);e!==d&&e!==i&&m.push({...t[e],x:g}),s!==d&&s!==i&&m.push({...t[s],x:g})}n>0&&i!==d&&m.push(t[i]),m.push(o),l=e,p=0,u=f=r,h=c=d=n}}return m}(l,c,d,s);break;default:throw new Error(`Unsupported decimation algorithm '${i.algorithm}'`)}e._decimated=u}))},destroy(t){ao(t)}};function lo(t,e,i){const s=function(t){const e=t.options,i=e.fill;let s=K(i&&i.target,i);return void 0===s&&(s=!!e.backgroundColor),!1!==s&&null!==s&&(!0===s?"origin":s)}(t);if(U(s))return!isNaN(s.value)&&s;let n=parseFloat(s);return X(n)&&Math.floor(n)===n?("-"!==s[0]&&"+"!==s[0]||(n=e+n),!(n===e||n<0||n>=i)&&n):["origin","start","end","stack","shape"].indexOf(s)>=0&&s}class ho{constructor(t){this.x=t.x,this.y=t.y,this.radius=t.radius}pathSegment(t,e,i){const{x:s,y:n,radius:o}=this;return e=e||{start:0,end:yt},t.arc(s,n,o,e.end,e.start,!0),!i.bounds}interpolate(t){const{x:e,y:i,radius:s}=this,n=t.angle;return{x:e+Math.cos(n)*s,y:i+Math.sin(n)*s,angle:n}}}function co(t){return(t.scale||{}).getPointPositionForValue?function(t){const{scale:e,fill:i}=t,s=e.options,n=e.getLabels().length,o=[],a=s.reverse?e.max:e.min,r=s.reverse?e.min:e.max;let l,h,c;if(c="start"===i?a:"end"===i?r:U(i)?i.value:e.getBaseValue(),s.grid.circular)return h=e.getPointPositionForValue(0,a),new ho({x:h.x,y:h.y,radius:e.getDistanceFromCenterForValue(c)});for(l=0;lt;e--){const t=i[e];if(!isNaN(t.x)&&!isNaN(t.y))break}return e}function fo(t,e,i){const s=[];for(let n=0;n{e=uo(t,e,n);const a=n[t],r=n[e];null!==s?(o.push({x:a.x,y:s}),o.push({x:r.x,y:s})):null!==i&&(o.push({x:i,y:a.y}),o.push({x:i,y:r.y}))})),o}(t,e),i.length?new qn({points:i,options:{tension:0},_loop:s,_fullLoop:s}):null}function xo(t,e,i){let s=t[e].fill;const n=[e];let o;if(!i)return s;for(;!1!==s&&-1===n.indexOf(s);){if(!X(s))return s;if(o=t[s],!o)return!1;if(o.visible)return s;n.push(s),s=o.fill}return!1}function bo(t,e,i){const{segments:s,points:n}=e;let o=!0,a=!1;t.beginPath();for(const r of s){const{start:s,end:l}=r,h=n[s],c=n[uo(s,l,n)];o?(t.moveTo(h.x,h.y),o=!1):(t.lineTo(h.x,i),t.lineTo(h.x,h.y)),a=!!e.pathSegment(t,r,{move:a}),a?t.closePath():t.lineTo(c.x,i)}t.lineTo(e.first().x,i),t.closePath(),t.clip()}function _o(t,e,i,s){if(s)return;let n=e[t],o=i[t];return"angle"===t&&(n=Nt(n),o=Nt(o)),{property:t,start:n,end:o}}function yo(t,e,i,s){return t&&e?s(t[i],e[i]):t?t[i]:e?e[i]:0}function vo(t,e,i){const{top:s,bottom:n}=e.chart.chartArea,{property:o,start:a,end:r}=i||{};"x"===o&&(t.beginPath(),t.rect(a,s,r-a,n-s),t.clip())}function wo(t,e,i,s){const n=e.interpolate(i,s);n&&t.lineTo(n.x,n.y)}function Mo(t,e){const{line:i,target:s,property:n,color:o,scale:a}=e,r=function(t,e,i){const s=t.segments,n=t.points,o=e.points,a=[];for(const t of s){let{start:s,end:r}=t;r=uo(s,r,n);const l=_o(i,n[s],n[r],t.loop);if(!e.segments){a.push({source:t,target:l,start:n[s],end:n[r]});continue}const h=Wi(e,l);for(const e of h){const s=_o(i,o[e.start],o[e.end],e.loop),r=Vi(t,n,s);for(const t of r)a.push({source:t,target:e,start:{[i]:yo(l,s,"start",Math.max)},end:{[i]:yo(l,s,"end",Math.min)}})}}return a}(i,s,n);for(const{source:e,target:l,start:h,end:c}of r){const{style:{backgroundColor:r=o}={}}=e,d=!0!==s;t.save(),t.fillStyle=r,vo(t,a,d&&_o(n,h,c)),t.beginPath();const u=!!i.pathSegment(t,e);let f;if(d){u?t.closePath():wo(t,s,c,n);const e=!!s.pathSegment(t,l,{move:u,reverse:!0});f=u&&e,f||wo(t,s,h,n)}t.closePath(),t.fill(f?"evenodd":"nonzero"),t.restore()}}function ko(t,e,i){const s=po(e),{line:n,scale:o,axis:a}=e,r=n.options,l=r.fill,h=r.backgroundColor,{above:c=h,below:d=h}=l||{};s&&n.points.length&&(Qt(t,i),function(t,e){const{line:i,target:s,above:n,below:o,area:a,scale:r}=e,l=i._loop?"angle":e.axis;t.save(),"x"===l&&o!==n&&(bo(t,s,a.top),Mo(t,{line:i,target:s,color:n,scale:r,property:l}),t.restore(),t.save(),bo(t,s,a.bottom)),Mo(t,{line:i,target:s,color:o,scale:r,property:l}),t.restore()}(t,{line:n,target:s,above:c,below:d,area:i,scale:o,axis:a}),te(t))}var So={id:"filler",afterDatasetsUpdate(t,e,i){const s=(t.data.datasets||[]).length,n=[];let o,a,r,l;for(a=0;a=0;--e){const i=n[e].$filler;i&&(i.line.updateControlPoints(o,i.axis),s&&ko(t.ctx,i,o))}},beforeDatasetsDraw(t,e,i){if("beforeDatasetsDraw"!==i.drawTime)return;const s=t.getSortedVisibleDatasetMetas();for(let e=s.length-1;e>=0;--e){const i=s[e].$filler;i&&ko(t.ctx,i,t.chartArea)}},beforeDatasetDraw(t,e,i){const s=e.meta.$filler;s&&!1!==s.fill&&"beforeDatasetDraw"===i.drawTime&&ko(t.ctx,s,t.chartArea)},defaults:{propagate:!0,drawTime:"beforeDatasetDraw"}};const Po=(t,e)=>{let{boxHeight:i=e,boxWidth:s=e}=t;return t.usePointStyle&&(i=Math.min(i,e),s=Math.min(s,e)),{boxWidth:s,boxHeight:i,itemHeight:Math.max(e,i)}};class Do extends Ds{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const t=this.options.labels||{};let e=J(t.generateLabels,[this.chart],this)||[];t.filter&&(e=e.filter((e=>t.filter(e,this.chart.data)))),t.sort&&(e=e.sort(((e,i)=>t.sort(e,i,this.chart.data)))),this.options.reverse&&e.reverse(),this.legendItems=e}fit(){const{options:t,ctx:e}=this;if(!t.display)return void(this.width=this.height=0);const i=t.labels,s=He(i.font),n=s.size,o=this._computeTitleHeight(),{boxWidth:a,itemHeight:r}=Po(i,n);let l,h;e.font=s.string,this.isHorizontal()?(l=this.maxWidth,h=this._fitRows(o,n,a,r)+10):(h=this.maxHeight,l=this._fitCols(o,n,a,r)+10),this.width=Math.min(l,t.maxWidth||this.maxWidth),this.height=Math.min(h,t.maxHeight||this.maxHeight)}_fitRows(t,e,i,s){const{ctx:n,maxWidth:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.lineWidths=[0],h=s+a;let c=t;n.textAlign="left",n.textBaseline="middle";let d=-1,u=-h;return this.legendItems.forEach(((t,f)=>{const g=i+e/2+n.measureText(t.text).width;(0===f||l[l.length-1]+g+2*a>o)&&(c+=h,l[l.length-(f>0?0:1)]=0,u+=h,d++),r[f]={left:0,top:u,row:d,width:g,height:s},l[l.length-1]+=g+a})),c}_fitCols(t,e,i,s){const{ctx:n,maxHeight:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.columnSizes=[],h=o-t;let c=a,d=0,u=0,f=0,g=0;return this.legendItems.forEach(((t,o)=>{const p=i+e/2+n.measureText(t.text).width;o>0&&u+s+2*a>h&&(c+=d+a,l.push({width:d,height:u}),f+=d+a,g++,d=u=0),r[o]={left:f,top:u,col:g,width:p,height:s},d=Math.max(d,p),u+=s+a})),c+=d,l.push({width:d,height:u}),c}adjustHitBoxes(){if(!this.options.display)return;const t=this._computeTitleHeight(),{legendHitBoxes:e,options:{align:i,labels:{padding:s},rtl:o}}=this,a=Ei(o,this.left,this.width);if(this.isHorizontal()){let o=0,r=n(i,this.left+s,this.right-this.lineWidths[o]);for(const l of e)o!==l.row&&(o=l.row,r=n(i,this.left+s,this.right-this.lineWidths[o])),l.top+=this.top+t+s,l.left=a.leftForLtr(a.x(r),l.width),r+=l.width+s}else{let o=0,r=n(i,this.top+t+s,this.bottom-this.columnSizes[o].height);for(const l of e)l.col!==o&&(o=l.col,r=n(i,this.top+t+s,this.bottom-this.columnSizes[o].height)),l.top=r,l.left+=this.left+s,l.left=a.leftForLtr(a.x(l.left),l.width),r+=l.height+s}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){if(this.options.display){const t=this.ctx;Qt(t,this),this._draw(),te(t)}}_draw(){const{options:t,columnSizes:e,lineWidths:i,ctx:s}=this,{align:a,labels:r}=t,l=bt.color,h=Ei(t.rtl,this.left,this.width),c=He(r.font),{color:d,padding:u}=r,f=c.size,g=f/2;let p;this.drawTitle(),s.textAlign=h.textAlign("left"),s.textBaseline="middle",s.lineWidth=.5,s.font=c.string;const{boxWidth:m,boxHeight:x,itemHeight:b}=Po(r,f),_=this.isHorizontal(),y=this._computeTitleHeight();p=_?{x:n(a,this.left+u,this.right-i[0]),y:this.top+u+y,line:0}:{x:this.left+u,y:n(a,this.top+y+u,this.bottom-e[0].height),line:0},Ii(this.ctx,t.textDirection);const v=b+u;this.legendItems.forEach(((w,M)=>{s.strokeStyle=w.fontColor||d,s.fillStyle=w.fontColor||d;const k=s.measureText(w.text).width,S=h.textAlign(w.textAlign||(w.textAlign=r.textAlign)),P=m+g+k;let D=p.x,C=p.y;h.setWidth(this.width),_?M>0&&D+P+u>this.right&&(C=p.y+=v,p.line++,D=p.x=n(a,this.left+u,this.right-i[p.line])):M>0&&C+v>this.bottom&&(D=p.x=D+e[p.line].width+u,p.line++,C=p.y=n(a,this.top+y+u,this.bottom-e[p.line].height));!function(t,e,i){if(isNaN(m)||m<=0||isNaN(x)||x<0)return;s.save();const n=K(i.lineWidth,1);if(s.fillStyle=K(i.fillStyle,l),s.lineCap=K(i.lineCap,"butt"),s.lineDashOffset=K(i.lineDashOffset,0),s.lineJoin=K(i.lineJoin,"miter"),s.lineWidth=n,s.strokeStyle=K(i.strokeStyle,l),s.setLineDash(K(i.lineDash,[])),r.usePointStyle){const o={radius:m*Math.SQRT2/2,pointStyle:i.pointStyle,rotation:i.rotation,borderWidth:n},a=h.xPlus(t,m/2);Zt(s,o,a,e+g)}else{const o=e+Math.max((f-x)/2,0),a=h.leftForLtr(t,m),r=We(i.borderRadius);s.beginPath(),Object.values(r).some((t=>0!==t))?oe(s,{x:a,y:o,w:m,h:x,radius:r}):s.rect(a,o,m,x),s.fill(),0!==n&&s.stroke()}s.restore()}(h.x(D),C,w),D=o(S,D+m+g,_?D+P:this.right,t.rtl),function(t,e,i){se(s,i.text,t,e+b/2,c,{strikethrough:i.hidden,textAlign:h.textAlign(i.textAlign)})}(h.x(D),C,w),_?p.x+=P+u:p.y+=v})),zi(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=He(e.font),o=Ne(e.padding);if(!e.display)return;const a=Ei(t.rtl,this.left,this.width),r=this.ctx,l=e.position,h=i.size/2,c=o.top+h;let d,u=this.left,f=this.width;if(this.isHorizontal())f=Math.max(...this.lineWidths),d=this.top+c,u=n(t.align,u,this.right-f);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);d=c+n(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const g=n(l,u,u+f);r.textAlign=a.textAlign(s(l)),r.textBaseline="middle",r.strokeStyle=e.color,r.fillStyle=e.color,r.font=i.string,se(r,e.text,g,d,i)}_computeTitleHeight(){const t=this.options.title,e=He(t.font),i=Ne(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,s,n;if(Yt(t,this.left,this.right)&&Yt(e,this.top,this.bottom))for(n=this.legendHitBoxes,i=0;it.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const e=t.data.datasets,{labels:{usePointStyle:i,pointStyle:s,textAlign:n,color:o}}=t.legend.options;return t._getSortedDatasetMetas().map((t=>{const a=t.controller.getStyle(i?0:void 0),r=Ne(a.borderWidth);return{text:e[t.index].label,fillStyle:a.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:a.borderCapStyle,lineDash:a.borderDash,lineDashOffset:a.borderDashOffset,lineJoin:a.borderJoinStyle,lineWidth:(r.width+r.height)/4,strokeStyle:a.borderColor,pointStyle:s||a.pointStyle,rotation:a.rotation,textAlign:n||a.textAlign,borderRadius:0,datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class Oo extends Ds{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return void(this.width=this.height=this.right=this.bottom=0);this.width=this.right=t,this.height=this.bottom=e;const s=Y(i.text)?i.text.length:1;this._padding=Ne(i.padding);const n=s*He(i.font).lineHeight+this._padding.height;this.isHorizontal()?this.height=n:this.width=n}isHorizontal(){const t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){const{top:e,left:i,bottom:s,right:o,options:a}=this,r=a.align;let l,h,c,d=0;return this.isHorizontal()?(h=n(r,i,o),c=e+t,l=o-i):("left"===a.position?(h=i+t,c=n(r,s,e),d=-.5*_t):(h=o-t,c=n(r,e,s),d=.5*_t),l=s-e),{titleX:h,titleY:c,maxWidth:l,rotation:d}}draw(){const t=this.ctx,e=this.options;if(!e.display)return;const i=He(e.font),n=i.lineHeight/2+this._padding.top,{titleX:o,titleY:a,maxWidth:r,rotation:l}=this._drawArgs(n);se(t,e.text,0,0,i,{color:e.color,maxWidth:r,rotation:l,textAlign:s(e.align),textBaseline:"middle",translation:[o,a]})}}var Ao={id:"title",_element:Oo,start(t,e,i){!function(t,e){const i=new Oo({ctx:t.ctx,options:e,chart:t});ni.configure(t,i,e),ni.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;ni.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const To=new WeakMap;var Lo={id:"subtitle",start(t,e,i){const s=new Oo({ctx:t.ctx,options:i,chart:t});ni.configure(t,s,i),ni.addBox(t,s),To.set(t,s)},stop(t){ni.removeBox(t,To.get(t)),To.delete(t)},beforeUpdate(t,e,i){const s=To.get(t);ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Ro={average(t){if(!t.length)return!1;let e,i,s=0,n=0,o=0;for(e=0,i=t.length;e-1?t.split("\n"):t}function zo(t,e){const{element:i,datasetIndex:s,index:n}=e,o=t.getDatasetMeta(s).controller,{label:a,value:r}=o.getLabelAndValue(n);return{chart:t,label:a,parsed:o.getParsed(n),raw:t.data.datasets[s].data[n],formattedValue:r,dataset:o.getDataset(),dataIndex:n,datasetIndex:s,element:i}}function Fo(t,e){const i=t.chart.ctx,{body:s,footer:n,title:o}=t,{boxWidth:a,boxHeight:r}=e,l=He(e.bodyFont),h=He(e.titleFont),c=He(e.footerFont),d=o.length,u=n.length,f=s.length,g=Ne(e.padding);let p=g.height,m=0,x=s.reduce(((t,e)=>t+e.before.length+e.lines.length+e.after.length),0);if(x+=t.beforeBody.length+t.afterBody.length,d&&(p+=d*h.lineHeight+(d-1)*e.titleSpacing+e.titleMarginBottom),x){p+=f*(e.displayColors?Math.max(r,l.lineHeight):l.lineHeight)+(x-f)*l.lineHeight+(x-1)*e.bodySpacing}u&&(p+=e.footerMarginTop+u*c.lineHeight+(u-1)*e.footerSpacing);let b=0;const _=function(t){m=Math.max(m,i.measureText(t).width+b)};return i.save(),i.font=h.string,Q(t.title,_),i.font=l.string,Q(t.beforeBody.concat(t.afterBody),_),b=e.displayColors?a+2+e.boxPadding:0,Q(s,(t=>{Q(t.before,_),Q(t.lines,_),Q(t.after,_)})),b=0,i.font=c.string,Q(t.footer,_),i.restore(),m+=g.width,{width:m,height:p}}function Bo(t,e,i,s){const{x:n,width:o}=i,{width:a,chartArea:{left:r,right:l}}=t;let h="center";return"center"===s?h=n<=(r+l)/2?"left":"right":n<=o/2?h="left":n>=a-o/2&&(h="right"),function(t,e,i,s){const{x:n,width:o}=s,a=i.caretSize+i.caretPadding;return"left"===t&&n+o+a>e.width||"right"===t&&n-o-a<0||void 0}(h,t,e,i)&&(h="center"),h}function Vo(t,e,i){const s=i.yAlign||e.yAlign||function(t,e){const{y:i,height:s}=e;return it.height-s/2?"bottom":"center"}(t,i);return{xAlign:i.xAlign||e.xAlign||Bo(t,e,i,s),yAlign:s}}function Wo(t,e,i,s){const{caretSize:n,caretPadding:o,cornerRadius:a}=t,{xAlign:r,yAlign:l}=i,h=n+o,{topLeft:c,topRight:d,bottomLeft:u,bottomRight:f}=We(a);let g=function(t,e){let{x:i,width:s}=t;return"right"===e?i-=s:"center"===e&&(i-=s/2),i}(e,r);const p=function(t,e,i){let{y:s,height:n}=t;return"top"===e?s+=i:s-="bottom"===e?n+i:n/2,s}(e,l,h);return"center"===l?"left"===r?g+=h:"right"===r&&(g-=h):"left"===r?g-=Math.max(c,u)+n:"right"===r&&(g+=Math.max(d,f)+n),{x:jt(g,0,s.width-e.width),y:jt(p,0,s.height-e.height)}}function No(t,e,i){const s=Ne(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-s.right:t.x+s.left}function Ho(t){return Eo([],Io(t))}function jo(t,e){const i=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return i?t.override(i):t}class $o extends Ds{constructor(t){super(),this.opacity=0,this._active=[],this._eventPosition=void 0,this._size=void 0,this._cachedAnimations=void 0,this._tooltipItems=[],this.$animations=void 0,this.$context=void 0,this.chart=t.chart||t._chart,this._chart=this.chart,this.options=t.options,this.dataPoints=void 0,this.title=void 0,this.beforeBody=void 0,this.body=void 0,this.afterBody=void 0,this.footer=void 0,this.xAlign=void 0,this.yAlign=void 0,this.x=void 0,this.y=void 0,this.height=void 0,this.width=void 0,this.caretX=void 0,this.caretY=void 0,this.labelColors=void 0,this.labelPointStyles=void 0,this.labelTextColors=void 0}initialize(t){this.options=t,this._cachedAnimations=void 0,this.$context=void 0}_resolveAnimations(){const t=this._cachedAnimations;if(t)return t;const e=this.chart,i=this.options.setContext(this.getContext()),s=i.enabled&&e.options.animation&&i.animations,n=new gs(this.chart,s);return s._cacheable&&(this._cachedAnimations=Object.freeze(n)),n}getContext(){return this.$context||(this.$context=(t=this.chart.getContext(),e=this,i=this._tooltipItems,Ye(t,{tooltip:e,tooltipItems:i,type:"tooltip"})));var t,e,i}getTitle(t,e){const{callbacks:i}=e,s=i.beforeTitle.apply(this,[t]),n=i.title.apply(this,[t]),o=i.afterTitle.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}getBeforeBody(t,e){return Ho(e.callbacks.beforeBody.apply(this,[t]))}getBody(t,e){const{callbacks:i}=e,s=[];return Q(t,(t=>{const e={before:[],lines:[],after:[]},n=jo(i,t);Eo(e.before,Io(n.beforeLabel.call(this,t))),Eo(e.lines,n.label.call(this,t)),Eo(e.after,Io(n.afterLabel.call(this,t))),s.push(e)})),s}getAfterBody(t,e){return Ho(e.callbacks.afterBody.apply(this,[t]))}getFooter(t,e){const{callbacks:i}=e,s=i.beforeFooter.apply(this,[t]),n=i.footer.apply(this,[t]),o=i.afterFooter.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}_createItems(t){const e=this._active,i=this.chart.data,s=[],n=[],o=[];let a,r,l=[];for(a=0,r=e.length;at.filter(e,s,n,i)))),t.itemSort&&(l=l.sort(((e,s)=>t.itemSort(e,s,i)))),Q(l,(e=>{const i=jo(t.callbacks,e);s.push(i.labelColor.call(this,e)),n.push(i.labelPointStyle.call(this,e)),o.push(i.labelTextColor.call(this,e))})),this.labelColors=s,this.labelPointStyles=n,this.labelTextColors=o,this.dataPoints=l,l}update(t,e){const i=this.options.setContext(this.getContext()),s=this._active;let n,o=[];if(s.length){const t=Ro[i.position].call(this,s,this._eventPosition);o=this._createItems(i),this.title=this.getTitle(o,i),this.beforeBody=this.getBeforeBody(o,i),this.body=this.getBody(o,i),this.afterBody=this.getAfterBody(o,i),this.footer=this.getFooter(o,i);const e=this._size=Fo(this,i),a=Object.assign({},t,e),r=Vo(this.chart,i,a),l=Wo(i,a,r,this.chart);this.xAlign=r.xAlign,this.yAlign=r.yAlign,n={opacity:1,x:l.x,y:l.y,width:e.width,height:e.height,caretX:t.x,caretY:t.y}}else 0!==this.opacity&&(n={opacity:0});this._tooltipItems=o,this.$context=void 0,n&&this._resolveAnimations().update(this,n),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,s){const n=this.getCaretPosition(t,i,s);e.lineTo(n.x1,n.y1),e.lineTo(n.x2,n.y2),e.lineTo(n.x3,n.y3)}getCaretPosition(t,e,i){const{xAlign:s,yAlign:n}=this,{caretSize:o,cornerRadius:a}=i,{topLeft:r,topRight:l,bottomLeft:h,bottomRight:c}=We(a),{x:d,y:u}=t,{width:f,height:g}=e;let p,m,x,b,_,y;return"center"===n?(_=u+g/2,"left"===s?(p=d,m=p-o,b=_+o,y=_-o):(p=d+f,m=p+o,b=_-o,y=_+o),x=p):(m="left"===s?d+Math.max(r,h)+o:"right"===s?d+f-Math.max(l,c)-o:this.caretX,"top"===n?(b=u,_=b-o,p=m-o,x=m+o):(b=u+g,_=b+o,p=m+o,x=m-o),y=b),{x1:p,x2:m,x3:x,y1:b,y2:_,y3:y}}drawTitle(t,e,i){const s=this.title,n=s.length;let o,a,r;if(n){const l=Ei(i.rtl,this.x,this.width);for(t.x=No(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",o=He(i.titleFont),a=i.titleSpacing,e.fillStyle=i.titleColor,e.font=o.string,r=0;r0!==t))?(t.beginPath(),t.fillStyle=n.multiKeyBackground,oe(t,{x:e,y:g,w:l,h:r,radius:a}),t.fill(),t.stroke(),t.fillStyle=o.backgroundColor,t.beginPath(),oe(t,{x:i,y:g+1,w:l-2,h:r-2,radius:a}),t.fill()):(t.fillStyle=n.multiKeyBackground,t.fillRect(e,g,l,r),t.strokeRect(e,g,l,r),t.fillStyle=o.backgroundColor,t.fillRect(i,g+1,l-2,r-2))}t.fillStyle=this.labelTextColors[i]}drawBody(t,e,i){const{body:s}=this,{bodySpacing:n,bodyAlign:o,displayColors:a,boxHeight:r,boxWidth:l,boxPadding:h}=i,c=He(i.bodyFont);let d=c.lineHeight,u=0;const f=Ei(i.rtl,this.x,this.width),g=function(i){e.fillText(i,f.x(t.x+u),t.y+d/2),t.y+=d+n},p=f.textAlign(o);let m,x,b,_,y,v,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=No(this,p,i),e.fillStyle=i.bodyColor,Q(this.beforeBody,g),u=a&&"right"!==p?"center"===o?l/2+h:l+2+h:0,_=0,v=s.length;_0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Ro[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Fo(this,t),a=Object.assign({},i,this._size),r=Vo(e,t,a),l=Wo(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const o=Ne(e.padding),a=this.title.length||this.beforeBody.length||this.body.length||this.afterBody.length||this.footer.length;e.enabled&&a&&(t.save(),t.globalAlpha=i,this.drawBackground(n,t,s,e),Ii(t,e.textDirection),n.y+=o.top,this.drawTitle(n,t,e),this.drawBody(n,t,e),this.drawFooter(n,t,e),zi(t,e.textDirection),t.restore())}getActiveElements(){return this._active||[]}setActiveElements(t,e){const i=this._active,s=t.map((({datasetIndex:t,index:e})=>{const i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}})),n=!tt(i,s),o=this._positionChanged(s,e);(n||o)&&(this._active=s,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;const s=this.options,n=this._active||[],o=this._getActiveElements(t,n,e,i),a=this._positionChanged(o,t),r=e||!tt(o,n)||a;return r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e;const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Ro[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}$o.positioners=Ro;var Yo={id:"tooltip",_element:$o,positioners:Ro,afterInit(t,e,i){i&&(t.tooltip=new $o({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip,i={tooltip:e};!1!==t.notifyPlugins("beforeTooltipDraw",i)&&(e&&e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i))},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:{beforeTitle:H,title(t){if(t.length>0){const e=t[0],i=e.chart.data.labels,s=i?i.length:0;if(this&&this.options&&"dataset"===this.options.mode)return e.dataset.label||"";if(e.label)return e.label;if(s>0&&e.dataIndex"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]},Uo=Object.freeze({__proto__:null,Decimation:ro,Filler:So,Legend:Co,SubTitle:Lo,Title:Ao,Tooltip:Yo});function Xo(t,e,i,s){const n=t.indexOf(e);if(-1===n)return((t,e,i,s)=>("string"==typeof e?(i=t.push(e)-1,s.unshift({index:i,label:e})):isNaN(e)&&(i=null),i))(t,e,i,s);return n!==t.lastIndexOf(e)?i:n}class qo extends Bs{constructor(t){super(t),this._startValue=void 0,this._valueRange=0,this._addedLabels=[]}init(t){const e=this._addedLabels;if(e.length){const t=this.getLabels();for(const{index:i,label:s}of e)t[i]===s&&t.splice(i,1);this._addedLabels=[]}super.init(t)}parse(t,e){if($(t))return null;const i=this.getLabels();return((t,e)=>null===t?null:jt(Math.round(t),0,e))(e=isFinite(e)&&i[e]===t?e:Xo(i,t,K(e,t),this._addedLabels),i.length-1)}determineDataLimits(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let{min:i,max:s}=this.getMinMax(!0);"ticks"===this.options.bounds&&(t||(i=0),e||(s=this.getLabels().length-1)),this.min=i,this.max=s}buildTicks(){const t=this.min,e=this.max,i=this.options.offset,s=[];let n=this.getLabels();n=0===t&&e===n.length-1?n:n.slice(t,e+1),this._valueRange=Math.max(n.length-(i?0:1),1),this._startValue=this.min-(i?.5:0);for(let i=t;i<=e;i++)s.push({value:i});return s}getLabelForValue(t){const e=this.getLabels();return t>=0&&te.length-1?null:this.getPixelForValue(e[t].value)}getValueForPixel(t){return Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange)}getBasePixel(){return this.bottom}}function Ko(t,e,{horizontal:i,minRotation:s}){const n=It(s),o=(i?Math.sin(n):Math.cos(n))||.001,a=.75*e*(""+t).length;return Math.min(e/o,a)}qo.id="category",qo.defaults={ticks:{callback:qo.prototype.getLabelForValue}};class Go extends Bs{constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._endValue=void 0,this._valueRange=0}parse(t,e){return $(t)||("number"==typeof t||t instanceof Number)&&!isFinite(+t)?null:+t}handleTickRangeOptions(){const{beginAtZero:t}=this.options,{minDefined:e,maxDefined:i}=this.getUserBounds();let{min:s,max:n}=this;const o=t=>s=e?s:t,a=t=>n=i?n:t;if(t){const t=Ct(s),e=Ct(n);t<0&&e<0?a(0):t>0&&e>0&&o(0)}if(s===n){let e=1;(n>=Number.MAX_SAFE_INTEGER||s<=Number.MIN_SAFE_INTEGER)&&(e=Math.abs(.05*n)),a(n+e),t||o(s-e)}this.min=s,this.max=n}getTickLimit(){const t=this.options.ticks;let e,{maxTicksLimit:i,stepSize:s}=t;return s?(e=Math.ceil(this.max/s)-Math.floor(this.min/s)+1,e>1e3&&(console.warn(`scales.${this.id}.ticks.stepSize: ${s} would result generating up to ${e} ticks. Limiting to 1000.`),e=1e3)):(e=this.computeTickLimit(),i=i||11),i&&(e=Math.min(i,e)),e}computeTickLimit(){return Number.POSITIVE_INFINITY}buildTicks(){const t=this.options,e=t.ticks;let i=this.getTickLimit();i=Math.max(2,i);const s=function(t,e){const i=[],{bounds:s,step:n,min:o,max:a,precision:r,count:l,maxTicks:h,maxDigits:c,includeBounds:d}=t,u=n||1,f=h-1,{min:g,max:p}=e,m=!$(o),x=!$(a),b=!$(l),_=(p-g)/(c+1);let y,v,w,M,k=Ot((p-g)/f/u)*u;if(k<1e-14&&!m&&!x)return[{value:g},{value:p}];M=Math.ceil(p/k)-Math.floor(g/k),M>f&&(k=Ot(M*k/f/u)*u),$(r)||(y=Math.pow(10,r),k=Math.ceil(k*y)/y),"ticks"===s?(v=Math.floor(g/k)*k,w=Math.ceil(p/k)*k):(v=g,w=p),m&&x&&n&&Rt((a-o)/n,k/1e3)?(M=Math.round(Math.min((a-o)/k,h)),k=(a-o)/M,v=o,w=a):b?(v=m?o:v,w=x?a:w,M=l-1,k=(w-v)/M):(M=(w-v)/k,M=Lt(M,Math.round(M),k/1e3)?Math.round(M):Math.ceil(M));const S=Math.max(Ft(k),Ft(v));y=Math.pow(10,$(r)?S:r),v=Math.round(v*y)/y,w=Math.round(w*y)/y;let P=0;for(m&&(d&&v!==o?(i.push({value:o}),v0?i:null;this._zero=!0}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=X(t)?Math.max(0,t):null,this.max=X(e)?Math.max(0,e):null,this.options.beginAtZero&&(this._zero=!0),this.handleTickRangeOptions()}handleTickRangeOptions(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let i=this.min,s=this.max;const n=e=>i=t?i:e,o=t=>s=e?s:t,a=(t,e)=>Math.pow(10,Math.floor(Dt(t))+e);i===s&&(i<=0?(n(1),o(10)):(n(a(i,-1)),o(a(s,1)))),i<=0&&n(a(s,-1)),s<=0&&o(a(i,1)),this._zero&&this.min!==this._suggestedMin&&i===a(this.min,0)&&n(a(i,-1)),this.min=i,this.max=s}buildTicks(){const t=this.options,e=function(t,e){const i=Math.floor(Dt(e.max)),s=Math.ceil(e.max/Math.pow(10,i)),n=[];let o=q(t.min,Math.pow(10,Math.floor(Dt(e.min)))),a=Math.floor(Dt(o)),r=Math.floor(o/Math.pow(10,a)),l=a<0?Math.pow(10,Math.abs(a)):1;do{n.push({value:o,major:Jo(o)}),++r,10===r&&(r=1,++a,l=a>=0?1:l),o=Math.round(r*Math.pow(10,a)*l)/l}while(an?{start:e-i,end:e}:{start:e,end:e+i}}function ia(t){const e={l:t.left+t._padding.left,r:t.right-t._padding.right,t:t.top+t._padding.top,b:t.bottom-t._padding.bottom},i=Object.assign({},e),s=[],n=[],o=t._pointLabels.length,a=t.options.pointLabels,r=a.centerPointLabels?_t/o:0;for(let d=0;de.r&&(r=(s.end-e.r)/o,t.r=Math.max(t.r,e.r+r)),n.starte.b&&(l=(n.end-e.b)/a,t.b=Math.max(t.b,e.b+l))}function na(t){return 0===t||180===t?"center":t<180?"left":"right"}function oa(t,e,i){return"right"===i?t-=e:"center"===i&&(t-=e/2),t}function aa(t,e,i){return 90===i||270===i?t-=e/2:(i>270||i<90)&&(t-=e),t}function ra(t,e,i,s){const{ctx:n}=t;if(i)n.arc(t.xCenter,t.yCenter,e,0,yt);else{let i=t.getPointPosition(0,e);n.moveTo(i.x,i.y);for(let o=1;o{const i=J(this.options.pointLabels.callback,[t,e],this);return i||0===i?i:""})).filter(((t,e)=>this.chart.getDataVisibility(e)))}fit(){const t=this.options;t.display&&t.pointLabels.display?ia(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,s){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-s)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,s))}getIndexAngle(t){return Nt(t*(yt/(this._pointLabels.length||1))+It(this.options.startAngle||0))}getDistanceFromCenterForValue(t){if($(t))return NaN;const e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if($(t))return NaN;const e=t/(this.drawingArea/(this.max-this.min));return this.options.reverse?this.max-e:this.min+e}getPointLabelContext(t){const e=this._pointLabels||[];if(t>=0&&t=0;n--){const e=s.setContext(t.getPointLabelContext(n)),o=He(e.font),{x:a,y:r,textAlign:l,left:h,top:c,right:d,bottom:u}=t._pointLabelItems[n],{backdropColor:f}=e;if(!$(f)){const t=Ne(e.backdropPadding);i.fillStyle=f,i.fillRect(h-t.left,c-t.top,d-h+t.width,u-c+t.height)}se(i,t._pointLabels[n],a,r+o.lineHeight/2,o,{color:e.color,textAlign:l,textBaseline:"middle"})}}(this,n),s.display&&this.ticks.forEach(((t,e)=>{if(0!==e){a=this.getDistanceFromCenterForValue(t.value);!function(t,e,i,s){const n=t.ctx,o=e.circular,{color:a,lineWidth:r}=e;!o&&!s||!a||!r||i<0||(n.save(),n.strokeStyle=a,n.lineWidth=r,n.setLineDash(e.borderDash),n.lineDashOffset=e.borderDashOffset,n.beginPath(),ra(t,i,o,s),n.closePath(),n.stroke(),n.restore())}(this,s.setContext(this.getContext(e-1)),a,n)}})),i.display){for(t.save(),o=n-1;o>=0;o--){const s=i.setContext(this.getPointLabelContext(o)),{color:n,lineWidth:l}=s;l&&n&&(t.lineWidth=l,t.strokeStyle=n,t.setLineDash(s.borderDash),t.lineDashOffset=s.borderDashOffset,a=this.getDistanceFromCenterForValue(e.ticks.reverse?this.min:this.max),r=this.getPointPosition(o,a),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(r.x,r.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const t=this.ctx,e=this.options,i=e.ticks;if(!i.display)return;const s=this.getIndexAngle(0);let n,o;t.save(),t.translate(this.xCenter,this.yCenter),t.rotate(s),t.textAlign="center",t.textBaseline="middle",this.ticks.forEach(((s,a)=>{if(0===a&&!e.reverse)return;const r=i.setContext(this.getContext(a)),l=He(r.font);if(n=this.getDistanceFromCenterForValue(this.ticks[a].value),r.showLabelBackdrop){t.font=l.string,o=t.measureText(s.label).width,t.fillStyle=r.backdropColor;const e=Ne(r.backdropPadding);t.fillRect(-o/2-e.left,-n-l.size/2-e.top,o+e.width,l.size+e.height)}se(t,s.label,0,-n,l,{color:r.color})})),t.restore()}drawTitle(){}}la.id="radialLinear",la.defaults={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,lineWidth:1,borderDash:[],borderDashOffset:0},grid:{circular:!1},startAngle:0,ticks:{showLabelBackdrop:!0,callback:Os.formatters.numeric},pointLabels:{backdropColor:void 0,backdropPadding:2,display:!0,font:{size:10},callback:t=>t,padding:5,centerPointLabels:!1}},la.defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"},la.descriptors={angleLines:{_fallback:"grid"}};const ha={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},ca=Object.keys(ha);function da(t,e){return t-e}function ua(t,e){if($(e))return null;const i=t._adapter,{parser:s,round:n,isoWeekday:o}=t._parseOpts;let a=e;return"function"==typeof s&&(a=s(a)),X(a)||(a="string"==typeof s?i.parse(a,s):i.parse(a)),null===a?null:(n&&(a="week"!==n||!Tt(o)&&!0!==o?i.startOf(a,n):i.startOf(a,"isoWeek",o)),+a)}function fa(t,e,i,s){const n=ca.length;for(let o=ca.indexOf(t);o=e?i[s]:i[n]]=!0}}else t[e]=!0}function pa(t,e,i){const s=[],n={},o=e.length;let a,r;for(a=0;a=0&&(e[l].major=!0);return e}(t,s,n,i):s}class ma extends Bs{constructor(t){super(t),this._cache={data:[],labels:[],all:[]},this._unit="day",this._majorUnit=void 0,this._offsets={},this._normalized=!1,this._parseOpts=void 0}init(t,e){const i=t.time||(t.time={}),s=this._adapter=new mn._date(t.adapters.date);ot(i.displayFormats,s.formats()),this._parseOpts={parser:i.parser,round:i.round,isoWeekday:i.isoWeekday},super.init(t),this._normalized=e.normalized}parse(t,e){return void 0===t?null:ua(this,t)}beforeLayout(){super.beforeLayout(),this._cache={data:[],labels:[],all:[]}}determineDataLimits(){const t=this.options,e=this._adapter,i=t.time.unit||"day";let{min:s,max:n,minDefined:o,maxDefined:a}=this.getUserBounds();function r(t){o||isNaN(t.min)||(s=Math.min(s,t.min)),a||isNaN(t.max)||(n=Math.max(n,t.max))}o&&a||(r(this._getLabelBounds()),"ticks"===t.bounds&&"labels"===t.ticks.source||r(this.getMinMax(!1))),s=X(s)&&!isNaN(s)?s:+e.startOf(Date.now(),i),n=X(n)&&!isNaN(n)?n:+e.endOf(Date.now(),i)+1,this.min=Math.min(s,n-1),this.max=Math.max(s+1,n)}_getLabelBounds(){const t=this.getLabelTimestamps();let e=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;return t.length&&(e=t[0],i=t[t.length-1]),{min:e,max:i}}buildTicks(){const t=this.options,e=t.time,i=t.ticks,s="labels"===i.source?this.getLabelTimestamps():this._generate();"ticks"===t.bounds&&s.length&&(this.min=this._userMin||s[0],this.max=this._userMax||s[s.length-1]);const n=this.min,o=he(s,n,this.max);return this._unit=e.unit||(i.autoSkip?fa(e.minUnit,this.min,this.max,this._getLabelCapacity(n)):function(t,e,i,s,n){for(let o=ca.length-1;o>=ca.indexOf(i);o--){const i=ca[o];if(ha[i].common&&t._adapter.diff(n,s,i)>=e-1)return i}return ca[i?ca.indexOf(i):0]}(this,o.length,e.minUnit,this.min,this.max)),this._majorUnit=i.major.enabled&&"year"!==this._unit?function(t){for(let e=ca.indexOf(t)+1,i=ca.length;e1e5*a)throw new Error(e+" and "+i+" are too far apart with stepSize of "+a+" "+o);const f="data"===s.ticks.source&&this.getDataTimestamps();for(c=u,d=0;ct-e)).map((t=>+t))}getLabelForValue(t){const e=this._adapter,i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}_tickFormatFunction(t,e,i,s){const n=this.options,o=n.time.displayFormats,a=this._unit,r=this._majorUnit,l=a&&o[a],h=r&&o[r],c=i[e],d=r&&h&&c&&c.major,u=this._adapter.format(t,s||(d?h:l)),f=n.ticks.callback;return f?J(f,[u,e,i],this):u}generateTickLabels(t){let e,i,s;for(e=0,i=t.length;e0?a:1}getDataTimestamps(){let t,e,i=this._cache.data||[];if(i.length)return i;const s=this.getMatchingVisibleMetas();if(this._normalized&&s.length)return this._cache.data=s[0].controller.getAllParsedValues(this);for(t=0,e=s.length;t=t[r].pos&&e<=t[l].pos&&({lo:r,hi:l}=re(t,"pos",e)),({pos:s,time:o}=t[r]),({pos:n,time:a}=t[l])):(e>=t[r].time&&e<=t[l].time&&({lo:r,hi:l}=re(t,"time",e)),({time:s,pos:o}=t[r]),({time:n,pos:a}=t[l]));const h=n-s;return h?o+(a-o)*(e-s)/h:o}ma.id="time",ma.defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",major:{enabled:!1}}};class ba extends ma{constructor(t){super(t),this._table=[],this._minPos=void 0,this._tableRange=void 0}initOffsets(){const t=this._getTimestampsForTable(),e=this._table=this.buildLookupTable(t);this._minPos=xa(e,this.min),this._tableRange=xa(e,this.max)-this._minPos,super.initOffsets(t)}buildLookupTable(t){const{min:e,max:i}=this,s=[],n=[];let o,a,r,l,h;for(o=0,a=t.length;o=e&&l<=i&&s.push(l);if(s.length<2)return[{time:e,pos:0},{time:i,pos:1}];for(o=0,a=s.length;o { + var ctx = document.getElementById(id).getContext('2d'); + //let currentDate = new Date(); + //console.log(currentDate + " - Calling setup..."); + //console.log(id); + if (window['chart-' + id] instanceof Chart) { + //window.myChart.destroy(); + window['chart-' + id].destroy(); + //console.log("Chart " + id + " destroyed!"); + } + + window['chart-' + id] = new Chart(ctx, config); + //console.log("Chart " + id + " created!"); + //console.log(window['chart-' + id]); +} diff --git a/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.js b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.js new file mode 100644 index 0000000..778290a --- /dev/null +++ b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.js @@ -0,0 +1,91 @@ +/*! + * chartjs-adapter-luxon v1.1.0 + * https://www.chartjs.org + * (c) 2021 chartjs-adapter-luxon Contributors + * Released under the MIT license + */ +import { _adapters } from 'chart.js'; +import { DateTime } from 'luxon'; + +const FORMATS = { + datetime: DateTime.DATETIME_MED_WITH_SECONDS, + millisecond: 'h:mm:ss.SSS a', + second: DateTime.TIME_WITH_SECONDS, + minute: DateTime.TIME_SIMPLE, + hour: {hour: 'numeric'}, + day: {day: 'numeric', month: 'short'}, + week: 'DD', + month: {month: 'short', year: 'numeric'}, + quarter: "'Q'q - yyyy", + year: {year: 'numeric'} +}; + +_adapters._date.override({ + _id: 'luxon', // DEBUG + + /** + * @private + */ + _create: function(time) { + return DateTime.fromMillis(time, this.options); + }, + + formats: function() { + return FORMATS; + }, + + parse: function(value, format) { + const options = this.options; + + if (value === null || typeof value === 'undefined') { + return null; + } + + const type = typeof value; + if (type === 'number') { + value = this._create(value); + } else if (type === 'string') { + if (typeof format === 'string') { + value = DateTime.fromFormat(value, format, options); + } else { + value = DateTime.fromISO(value, options); + } + } else if (value instanceof Date) { + value = DateTime.fromJSDate(value, options); + } else if (type === 'object' && !(value instanceof DateTime)) { + value = DateTime.fromObject(value); + } + + return value.isValid ? value.valueOf() : null; + }, + + format: function(time, format) { + const datetime = this._create(time); + return typeof format === 'string' + ? datetime.toFormat(format, this.options) + : datetime.toLocaleString(format); + }, + + add: function(time, amount, unit) { + const args = {}; + args[unit] = amount; + return this._create(time).plus(args).valueOf(); + }, + + diff: function(max, min, unit) { + return this._create(max).diff(this._create(min)).as(unit).valueOf(); + }, + + startOf: function(time, unit, weekday) { + if (unit === 'isoWeek') { + weekday = Math.trunc(Math.min(Math.max(0, weekday), 6)); + const dateTime = this._create(time); + return dateTime.minus({days: (dateTime.weekday - weekday + 7) % 7}).startOf('day').valueOf(); + } + return unit ? this._create(time).startOf(unit).valueOf() : time; + }, + + endOf: function(time, unit) { + return this._create(time).endOf(unit).valueOf(); + } +}); diff --git a/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.min.js b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.min.js new file mode 100644 index 0000000..e0f6dd8 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.esm.min.js @@ -0,0 +1 @@ +import{_adapters}from"chart.js";import{DateTime}from"luxon";const FORMATS={datetime:DateTime.DATETIME_MED_WITH_SECONDS,millisecond:"h:mm:ss.SSS a",second:DateTime.TIME_WITH_SECONDS,minute:DateTime.TIME_SIMPLE,hour:{hour:"numeric"},day:{day:"numeric",month:"short"},week:"DD",month:{month:"short",year:"numeric"},quarter:"'Q'q - yyyy",year:{year:"numeric"}};_adapters._date.override({_id:"luxon",_create:function(t){return DateTime.fromMillis(t,this.options)},formats:function(){return FORMATS},parse:function(t,e){var r=this.options;if(null==t)return null;var a=typeof t;return"number"==a?t=this._create(t):"string"==a?t="string"==typeof e?DateTime.fromFormat(t,e,r):DateTime.fromISO(t,r):t instanceof Date?t=DateTime.fromJSDate(t,r):"object"!=a||t instanceof DateTime||(t=DateTime.fromObject(t)),t.isValid?t.valueOf():null},format:function(t,e){const r=this._create(t);return"string"==typeof e?r.toFormat(e,this.options):r.toLocaleString(e)},add:function(t,e,r){const a={};return a[r]=e,this._create(t).plus(a).valueOf()},diff:function(t,e,r){return this._create(t).diff(this._create(e)).as(r).valueOf()},startOf:function(t,e,r){if("isoWeek"!==e)return e?this._create(t).startOf(e).valueOf():t;{r=Math.trunc(Math.min(Math.max(0,r),6));const a=this._create(t);return a.minus({days:(a.weekday-r+7)%7}).startOf("day").valueOf()}},endOf:function(t,e){return this._create(t).endOf(e).valueOf()}}); \ No newline at end of file diff --git a/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.js b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.js new file mode 100644 index 0000000..149df05 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.js @@ -0,0 +1,96 @@ +/*! + * chartjs-adapter-luxon v1.1.0 + * https://www.chartjs.org + * (c) 2021 chartjs-adapter-luxon Contributors + * Released under the MIT license + */ +(function (global, factory) { +typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('chart.js'), require('luxon')) : +typeof define === 'function' && define.amd ? define(['chart.js', 'luxon'], factory) : +(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Chart, global.luxon)); +}(this, (function (chart_js, luxon) { 'use strict'; + +const FORMATS = { + datetime: luxon.DateTime.DATETIME_MED_WITH_SECONDS, + millisecond: 'h:mm:ss.SSS a', + second: luxon.DateTime.TIME_WITH_SECONDS, + minute: luxon.DateTime.TIME_SIMPLE, + hour: {hour: 'numeric'}, + day: {day: 'numeric', month: 'short'}, + week: 'DD', + month: {month: 'short', year: 'numeric'}, + quarter: "'Q'q - yyyy", + year: {year: 'numeric'} +}; + +chart_js._adapters._date.override({ + _id: 'luxon', // DEBUG + + /** + * @private + */ + _create: function(time) { + return luxon.DateTime.fromMillis(time, this.options); + }, + + formats: function() { + return FORMATS; + }, + + parse: function(value, format) { + const options = this.options; + + if (value === null || typeof value === 'undefined') { + return null; + } + + const type = typeof value; + if (type === 'number') { + value = this._create(value); + } else if (type === 'string') { + if (typeof format === 'string') { + value = luxon.DateTime.fromFormat(value, format, options); + } else { + value = luxon.DateTime.fromISO(value, options); + } + } else if (value instanceof Date) { + value = luxon.DateTime.fromJSDate(value, options); + } else if (type === 'object' && !(value instanceof luxon.DateTime)) { + value = luxon.DateTime.fromObject(value); + } + + return value.isValid ? value.valueOf() : null; + }, + + format: function(time, format) { + const datetime = this._create(time); + return typeof format === 'string' + ? datetime.toFormat(format, this.options) + : datetime.toLocaleString(format); + }, + + add: function(time, amount, unit) { + const args = {}; + args[unit] = amount; + return this._create(time).plus(args).valueOf(); + }, + + diff: function(max, min, unit) { + return this._create(max).diff(this._create(min)).as(unit).valueOf(); + }, + + startOf: function(time, unit, weekday) { + if (unit === 'isoWeek') { + weekday = Math.trunc(Math.min(Math.max(0, weekday), 6)); + const dateTime = this._create(time); + return dateTime.minus({days: (dateTime.weekday - weekday + 7) % 7}).startOf('day').valueOf(); + } + return unit ? this._create(time).startOf(unit).valueOf() : time; + }, + + endOf: function(time, unit) { + return this._create(time).endOf(unit).valueOf(); + } +}); + +}))); diff --git a/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.min.js b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.min.js new file mode 100644 index 0000000..b105f83 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/chartjs-adapter-luxon/chartjs-adapter-luxon.min.js @@ -0,0 +1,7 @@ +/*! + * chartjs-adapter-luxon v1.1.0 + * https://www.chartjs.org + * (c) 2021 chartjs-adapter-luxon Contributors + * Released under the MIT license + */ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(require("chart.js"),require("luxon")):"function"==typeof define&&define.amd?define(["chart.js","luxon"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).Chart,e.luxon)}(this,(function(e,t){"use strict";const n={datetime:t.DateTime.DATETIME_MED_WITH_SECONDS,millisecond:"h:mm:ss.SSS a",second:t.DateTime.TIME_WITH_SECONDS,minute:t.DateTime.TIME_SIMPLE,hour:{hour:"numeric"},day:{day:"numeric",month:"short"},week:"DD",month:{month:"short",year:"numeric"},quarter:"'Q'q - yyyy",year:{year:"numeric"}};e._adapters._date.override({_id:"luxon",_create:function(e){return t.DateTime.fromMillis(e,this.options)},formats:function(){return n},parse:function(e,n){const r=this.options;if(null==e)return null;const i=typeof e;return"number"===i?e=this._create(e):"string"===i?e="string"==typeof n?t.DateTime.fromFormat(e,n,r):t.DateTime.fromISO(e,r):e instanceof Date?e=t.DateTime.fromJSDate(e,r):"object"!==i||e instanceof t.DateTime||(e=t.DateTime.fromObject(e)),e.isValid?e.valueOf():null},format:function(e,t){const n=this._create(e);return"string"==typeof t?n.toFormat(t,this.options):n.toLocaleString(t)},add:function(e,t,n){const r={};return r[n]=t,this._create(e).plus(r).valueOf()},diff:function(e,t,n){return this._create(e).diff(this._create(t)).as(n).valueOf()},startOf:function(e,t,n){if("isoWeek"===t){n=Math.trunc(Math.min(Math.max(0,n),6));const t=this._create(e);return t.minus({days:(t.weekday-n+7)%7}).startOf("day").valueOf()}return t?this._create(e).startOf(t).valueOf():e},endOf:function(e,t){return this._create(e).endOf(t).valueOf()}})})); diff --git a/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js b/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js new file mode 100644 index 0000000..785c4ae --- /dev/null +++ b/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js @@ -0,0 +1,8488 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } +} + +function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + return Constructor; +} + +function _extends() { + _extends = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; + }; + + return _extends.apply(this, arguments); +} + +function _inheritsLoose(subClass, superClass) { + subClass.prototype = Object.create(superClass.prototype); + subClass.prototype.constructor = subClass; + + _setPrototypeOf(subClass, superClass); +} + +function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); +} + +function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + + return _setPrototypeOf(o, p); +} + +function _isNativeReflectConstruct() { + if (typeof Reflect === "undefined" || !Reflect.construct) return false; + if (Reflect.construct.sham) return false; + if (typeof Proxy === "function") return true; + + try { + Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); + return true; + } catch (e) { + return false; + } +} + +function _construct(Parent, args, Class) { + if (_isNativeReflectConstruct()) { + _construct = Reflect.construct; + } else { + _construct = function _construct(Parent, args, Class) { + var a = [null]; + a.push.apply(a, args); + var Constructor = Function.bind.apply(Parent, a); + var instance = new Constructor(); + if (Class) _setPrototypeOf(instance, Class.prototype); + return instance; + }; + } + + return _construct.apply(null, arguments); +} + +function _isNativeFunction(fn) { + return Function.toString.call(fn).indexOf("[native code]") !== -1; +} + +function _wrapNativeSuper(Class) { + var _cache = typeof Map === "function" ? new Map() : undefined; + + _wrapNativeSuper = function _wrapNativeSuper(Class) { + if (Class === null || !_isNativeFunction(Class)) return Class; + + if (typeof Class !== "function") { + throw new TypeError("Super expression must either be null or a function"); + } + + if (typeof _cache !== "undefined") { + if (_cache.has(Class)) return _cache.get(Class); + + _cache.set(Class, Wrapper); + } + + function Wrapper() { + return _construct(Class, arguments, _getPrototypeOf(this).constructor); + } + + Wrapper.prototype = Object.create(Class.prototype, { + constructor: { + value: Wrapper, + enumerable: false, + writable: true, + configurable: true + } + }); + return _setPrototypeOf(Wrapper, Class); + }; + + return _wrapNativeSuper(Class); +} + +function _objectWithoutPropertiesLoose(source, excluded) { + if (source == null) return {}; + var target = {}; + var sourceKeys = Object.keys(source); + var key, i; + + for (i = 0; i < sourceKeys.length; i++) { + key = sourceKeys[i]; + if (excluded.indexOf(key) >= 0) continue; + target[key] = source[key]; + } + + return target; +} + +function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); +} + +function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + + return arr2; +} + +function _createForOfIteratorHelperLoose(o, allowArrayLike) { + var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; + if (it) return (it = it.call(o)).next.bind(it); + + if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { + if (it) o = it; + var i = 0; + return function () { + if (i >= o.length) return { + done: true + }; + return { + done: false, + value: o[i++] + }; + }; + } + + throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); +} + +// these aren't really private, but nor are they really useful to document + +/** + * @private + */ +var LuxonError = /*#__PURE__*/function (_Error) { + _inheritsLoose(LuxonError, _Error); + + function LuxonError() { + return _Error.apply(this, arguments) || this; + } + + return LuxonError; +}( /*#__PURE__*/_wrapNativeSuper(Error)); +/** + * @private + */ + + +var InvalidDateTimeError = /*#__PURE__*/function (_LuxonError) { + _inheritsLoose(InvalidDateTimeError, _LuxonError); + + function InvalidDateTimeError(reason) { + return _LuxonError.call(this, "Invalid DateTime: " + reason.toMessage()) || this; + } + + return InvalidDateTimeError; +}(LuxonError); +/** + * @private + */ + +var InvalidIntervalError = /*#__PURE__*/function (_LuxonError2) { + _inheritsLoose(InvalidIntervalError, _LuxonError2); + + function InvalidIntervalError(reason) { + return _LuxonError2.call(this, "Invalid Interval: " + reason.toMessage()) || this; + } + + return InvalidIntervalError; +}(LuxonError); +/** + * @private + */ + +var InvalidDurationError = /*#__PURE__*/function (_LuxonError3) { + _inheritsLoose(InvalidDurationError, _LuxonError3); + + function InvalidDurationError(reason) { + return _LuxonError3.call(this, "Invalid Duration: " + reason.toMessage()) || this; + } + + return InvalidDurationError; +}(LuxonError); +/** + * @private + */ + +var ConflictingSpecificationError = /*#__PURE__*/function (_LuxonError4) { + _inheritsLoose(ConflictingSpecificationError, _LuxonError4); + + function ConflictingSpecificationError() { + return _LuxonError4.apply(this, arguments) || this; + } + + return ConflictingSpecificationError; +}(LuxonError); +/** + * @private + */ + +var InvalidUnitError = /*#__PURE__*/function (_LuxonError5) { + _inheritsLoose(InvalidUnitError, _LuxonError5); + + function InvalidUnitError(unit) { + return _LuxonError5.call(this, "Invalid unit " + unit) || this; + } + + return InvalidUnitError; +}(LuxonError); +/** + * @private + */ + +var InvalidArgumentError = /*#__PURE__*/function (_LuxonError6) { + _inheritsLoose(InvalidArgumentError, _LuxonError6); + + function InvalidArgumentError() { + return _LuxonError6.apply(this, arguments) || this; + } + + return InvalidArgumentError; +}(LuxonError); +/** + * @private + */ + +var ZoneIsAbstractError = /*#__PURE__*/function (_LuxonError7) { + _inheritsLoose(ZoneIsAbstractError, _LuxonError7); + + function ZoneIsAbstractError() { + return _LuxonError7.call(this, "Zone is an abstract class") || this; + } + + return ZoneIsAbstractError; +}(LuxonError); + +/** + * @private + */ +var n = "numeric", + s = "short", + l = "long"; +var DATE_SHORT = { + year: n, + month: n, + day: n +}; +var DATE_MED = { + year: n, + month: s, + day: n +}; +var DATE_MED_WITH_WEEKDAY = { + year: n, + month: s, + day: n, + weekday: s +}; +var DATE_FULL = { + year: n, + month: l, + day: n +}; +var DATE_HUGE = { + year: n, + month: l, + day: n, + weekday: l +}; +var TIME_SIMPLE = { + hour: n, + minute: n +}; +var TIME_WITH_SECONDS = { + hour: n, + minute: n, + second: n +}; +var TIME_WITH_SHORT_OFFSET = { + hour: n, + minute: n, + second: n, + timeZoneName: s +}; +var TIME_WITH_LONG_OFFSET = { + hour: n, + minute: n, + second: n, + timeZoneName: l +}; +var TIME_24_SIMPLE = { + hour: n, + minute: n, + hourCycle: "h23" +}; +var TIME_24_WITH_SECONDS = { + hour: n, + minute: n, + second: n, + hourCycle: "h23" +}; +var TIME_24_WITH_SHORT_OFFSET = { + hour: n, + minute: n, + second: n, + hourCycle: "h23", + timeZoneName: s +}; +var TIME_24_WITH_LONG_OFFSET = { + hour: n, + minute: n, + second: n, + hourCycle: "h23", + timeZoneName: l +}; +var DATETIME_SHORT = { + year: n, + month: n, + day: n, + hour: n, + minute: n +}; +var DATETIME_SHORT_WITH_SECONDS = { + year: n, + month: n, + day: n, + hour: n, + minute: n, + second: n +}; +var DATETIME_MED = { + year: n, + month: s, + day: n, + hour: n, + minute: n +}; +var DATETIME_MED_WITH_SECONDS = { + year: n, + month: s, + day: n, + hour: n, + minute: n, + second: n +}; +var DATETIME_MED_WITH_WEEKDAY = { + year: n, + month: s, + day: n, + weekday: s, + hour: n, + minute: n +}; +var DATETIME_FULL = { + year: n, + month: l, + day: n, + hour: n, + minute: n, + timeZoneName: s +}; +var DATETIME_FULL_WITH_SECONDS = { + year: n, + month: l, + day: n, + hour: n, + minute: n, + second: n, + timeZoneName: s +}; +var DATETIME_HUGE = { + year: n, + month: l, + day: n, + weekday: l, + hour: n, + minute: n, + timeZoneName: l +}; +var DATETIME_HUGE_WITH_SECONDS = { + year: n, + month: l, + day: n, + weekday: l, + hour: n, + minute: n, + second: n, + timeZoneName: l +}; + +/** + * @private + */ +// TYPES + +function isUndefined(o) { + return typeof o === "undefined"; +} +function isNumber(o) { + return typeof o === "number"; +} +function isInteger(o) { + return typeof o === "number" && o % 1 === 0; +} +function isString(o) { + return typeof o === "string"; +} +function isDate(o) { + return Object.prototype.toString.call(o) === "[object Date]"; +} // CAPABILITIES + +function hasRelative() { + try { + return typeof Intl !== "undefined" && !!Intl.RelativeTimeFormat; + } catch (e) { + return false; + } +} // OBJECTS AND ARRAYS + +function maybeArray(thing) { + return Array.isArray(thing) ? thing : [thing]; +} +function bestBy(arr, by, compare) { + if (arr.length === 0) { + return undefined; + } + + return arr.reduce(function (best, next) { + var pair = [by(next), next]; + + if (!best) { + return pair; + } else if (compare(best[0], pair[0]) === best[0]) { + return best; + } else { + return pair; + } + }, null)[1]; +} +function pick(obj, keys) { + return keys.reduce(function (a, k) { + a[k] = obj[k]; + return a; + }, {}); +} +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} // NUMBERS AND STRINGS + +function integerBetween(thing, bottom, top) { + return isInteger(thing) && thing >= bottom && thing <= top; +} // x % n but takes the sign of n instead of x + +function floorMod(x, n) { + return x - n * Math.floor(x / n); +} +function padStart(input, n) { + if (n === void 0) { + n = 2; + } + + var isNeg = input < 0; + var padded; + + if (isNeg) { + padded = "-" + ("" + -input).padStart(n, "0"); + } else { + padded = ("" + input).padStart(n, "0"); + } + + return padded; +} +function parseInteger(string) { + if (isUndefined(string) || string === null || string === "") { + return undefined; + } else { + return parseInt(string, 10); + } +} +function parseFloating(string) { + if (isUndefined(string) || string === null || string === "") { + return undefined; + } else { + return parseFloat(string); + } +} +function parseMillis(fraction) { + // Return undefined (instead of 0) in these cases, where fraction is not set + if (isUndefined(fraction) || fraction === null || fraction === "") { + return undefined; + } else { + var f = parseFloat("0." + fraction) * 1000; + return Math.floor(f); + } +} +function roundTo(number, digits, towardZero) { + if (towardZero === void 0) { + towardZero = false; + } + + var factor = Math.pow(10, digits), + rounder = towardZero ? Math.trunc : Math.round; + return rounder(number * factor) / factor; +} // DATE BASICS + +function isLeapYear(year) { + return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0); +} +function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; +} +function daysInMonth(year, month) { + var modMonth = floorMod(month - 1, 12) + 1, + modYear = year + (month - modMonth) / 12; + + if (modMonth === 2) { + return isLeapYear(modYear) ? 29 : 28; + } else { + return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][modMonth - 1]; + } +} // covert a calendar object to a local timestamp (epoch, but with the offset baked in) + +function objToLocalTS(obj) { + var d = Date.UTC(obj.year, obj.month - 1, obj.day, obj.hour, obj.minute, obj.second, obj.millisecond); // for legacy reasons, years between 0 and 99 are interpreted as 19XX; revert that + + if (obj.year < 100 && obj.year >= 0) { + d = new Date(d); + d.setUTCFullYear(d.getUTCFullYear() - 1900); + } + + return +d; +} +function weeksInWeekYear(weekYear) { + var p1 = (weekYear + Math.floor(weekYear / 4) - Math.floor(weekYear / 100) + Math.floor(weekYear / 400)) % 7, + last = weekYear - 1, + p2 = (last + Math.floor(last / 4) - Math.floor(last / 100) + Math.floor(last / 400)) % 7; + return p1 === 4 || p2 === 3 ? 53 : 52; +} +function untruncateYear(year) { + if (year > 99) { + return year; + } else return year > 60 ? 1900 + year : 2000 + year; +} // PARSING + +function parseZoneInfo(ts, offsetFormat, locale, timeZone) { + if (timeZone === void 0) { + timeZone = null; + } + + var date = new Date(ts), + intlOpts = { + hourCycle: "h23", + year: "numeric", + month: "2-digit", + day: "2-digit", + hour: "2-digit", + minute: "2-digit" + }; + + if (timeZone) { + intlOpts.timeZone = timeZone; + } + + var modified = _extends({ + timeZoneName: offsetFormat + }, intlOpts); + + var parsed = new Intl.DateTimeFormat(locale, modified).formatToParts(date).find(function (m) { + return m.type.toLowerCase() === "timezonename"; + }); + return parsed ? parsed.value : null; +} // signedOffset('-5', '30') -> -330 + +function signedOffset(offHourStr, offMinuteStr) { + var offHour = parseInt(offHourStr, 10); // don't || this because we want to preserve -0 + + if (Number.isNaN(offHour)) { + offHour = 0; + } + + var offMin = parseInt(offMinuteStr, 10) || 0, + offMinSigned = offHour < 0 || Object.is(offHour, -0) ? -offMin : offMin; + return offHour * 60 + offMinSigned; +} // COERCION + +function asNumber(value) { + var numericValue = Number(value); + if (typeof value === "boolean" || value === "" || Number.isNaN(numericValue)) throw new InvalidArgumentError("Invalid unit value " + value); + return numericValue; +} +function normalizeObject(obj, normalizer) { + var normalized = {}; + + for (var u in obj) { + if (hasOwnProperty(obj, u)) { + var v = obj[u]; + if (v === undefined || v === null) continue; + normalized[normalizer(u)] = asNumber(v); + } + } + + return normalized; +} +function formatOffset(offset, format) { + var hours = Math.trunc(Math.abs(offset / 60)), + minutes = Math.trunc(Math.abs(offset % 60)), + sign = offset >= 0 ? "+" : "-"; + + switch (format) { + case "short": + return "" + sign + padStart(hours, 2) + ":" + padStart(minutes, 2); + + case "narrow": + return "" + sign + hours + (minutes > 0 ? ":" + minutes : ""); + + case "techie": + return "" + sign + padStart(hours, 2) + padStart(minutes, 2); + + default: + throw new RangeError("Value format " + format + " is out of range for property format"); + } +} +function timeObject(obj) { + return pick(obj, ["hour", "minute", "second", "millisecond"]); +} +var ianaRegex = /[A-Za-z_+-]{1,256}(:?\/[A-Za-z0-9_+-]{1,256}(\/[A-Za-z0-9_+-]{1,256})?)?/; + +/** + * @private + */ + + +var monthsLong = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; +var monthsShort = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; +var monthsNarrow = ["J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"]; +function months(length) { + switch (length) { + case "narrow": + return [].concat(monthsNarrow); + + case "short": + return [].concat(monthsShort); + + case "long": + return [].concat(monthsLong); + + case "numeric": + return ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]; + + case "2-digit": + return ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"]; + + default: + return null; + } +} +var weekdaysLong = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]; +var weekdaysShort = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]; +var weekdaysNarrow = ["M", "T", "W", "T", "F", "S", "S"]; +function weekdays(length) { + switch (length) { + case "narrow": + return [].concat(weekdaysNarrow); + + case "short": + return [].concat(weekdaysShort); + + case "long": + return [].concat(weekdaysLong); + + case "numeric": + return ["1", "2", "3", "4", "5", "6", "7"]; + + default: + return null; + } +} +var meridiems = ["AM", "PM"]; +var erasLong = ["Before Christ", "Anno Domini"]; +var erasShort = ["BC", "AD"]; +var erasNarrow = ["B", "A"]; +function eras(length) { + switch (length) { + case "narrow": + return [].concat(erasNarrow); + + case "short": + return [].concat(erasShort); + + case "long": + return [].concat(erasLong); + + default: + return null; + } +} +function meridiemForDateTime(dt) { + return meridiems[dt.hour < 12 ? 0 : 1]; +} +function weekdayForDateTime(dt, length) { + return weekdays(length)[dt.weekday - 1]; +} +function monthForDateTime(dt, length) { + return months(length)[dt.month - 1]; +} +function eraForDateTime(dt, length) { + return eras(length)[dt.year < 0 ? 0 : 1]; +} +function formatRelativeTime(unit, count, numeric, narrow) { + if (numeric === void 0) { + numeric = "always"; + } + + if (narrow === void 0) { + narrow = false; + } + + var units = { + years: ["year", "yr."], + quarters: ["quarter", "qtr."], + months: ["month", "mo."], + weeks: ["week", "wk."], + days: ["day", "day", "days"], + hours: ["hour", "hr."], + minutes: ["minute", "min."], + seconds: ["second", "sec."] + }; + var lastable = ["hours", "minutes", "seconds"].indexOf(unit) === -1; + + if (numeric === "auto" && lastable) { + var isDay = unit === "days"; + + switch (count) { + case 1: + return isDay ? "tomorrow" : "next " + units[unit][0]; + + case -1: + return isDay ? "yesterday" : "last " + units[unit][0]; + + case 0: + return isDay ? "today" : "this " + units[unit][0]; + + } + } + + var isInPast = Object.is(count, -0) || count < 0, + fmtValue = Math.abs(count), + singular = fmtValue === 1, + lilUnits = units[unit], + fmtUnit = narrow ? singular ? lilUnits[1] : lilUnits[2] || lilUnits[1] : singular ? units[unit][0] : unit; + return isInPast ? fmtValue + " " + fmtUnit + " ago" : "in " + fmtValue + " " + fmtUnit; +} + +function stringifyTokens(splits, tokenToString) { + var s = ""; + + for (var _iterator = _createForOfIteratorHelperLoose(splits), _step; !(_step = _iterator()).done;) { + var token = _step.value; + + if (token.literal) { + s += token.val; + } else { + s += tokenToString(token.val); + } + } + + return s; +} + +var _macroTokenToFormatOpts = { + D: DATE_SHORT, + DD: DATE_MED, + DDD: DATE_FULL, + DDDD: DATE_HUGE, + t: TIME_SIMPLE, + tt: TIME_WITH_SECONDS, + ttt: TIME_WITH_SHORT_OFFSET, + tttt: TIME_WITH_LONG_OFFSET, + T: TIME_24_SIMPLE, + TT: TIME_24_WITH_SECONDS, + TTT: TIME_24_WITH_SHORT_OFFSET, + TTTT: TIME_24_WITH_LONG_OFFSET, + f: DATETIME_SHORT, + ff: DATETIME_MED, + fff: DATETIME_FULL, + ffff: DATETIME_HUGE, + F: DATETIME_SHORT_WITH_SECONDS, + FF: DATETIME_MED_WITH_SECONDS, + FFF: DATETIME_FULL_WITH_SECONDS, + FFFF: DATETIME_HUGE_WITH_SECONDS +}; +/** + * @private + */ + +var Formatter = /*#__PURE__*/function () { + Formatter.create = function create(locale, opts) { + if (opts === void 0) { + opts = {}; + } + + return new Formatter(locale, opts); + }; + + Formatter.parseFormat = function parseFormat(fmt) { + var current = null, + currentFull = "", + bracketed = false; + var splits = []; + + for (var i = 0; i < fmt.length; i++) { + var c = fmt.charAt(i); + + if (c === "'") { + if (currentFull.length > 0) { + splits.push({ + literal: bracketed, + val: currentFull + }); + } + + current = null; + currentFull = ""; + bracketed = !bracketed; + } else if (bracketed) { + currentFull += c; + } else if (c === current) { + currentFull += c; + } else { + if (currentFull.length > 0) { + splits.push({ + literal: false, + val: currentFull + }); + } + + currentFull = c; + current = c; + } + } + + if (currentFull.length > 0) { + splits.push({ + literal: bracketed, + val: currentFull + }); + } + + return splits; + }; + + Formatter.macroTokenToFormatOpts = function macroTokenToFormatOpts(token) { + return _macroTokenToFormatOpts[token]; + }; + + function Formatter(locale, formatOpts) { + this.opts = formatOpts; + this.loc = locale; + this.systemLoc = null; + } + + var _proto = Formatter.prototype; + + _proto.formatWithSystemDefault = function formatWithSystemDefault(dt, opts) { + if (this.systemLoc === null) { + this.systemLoc = this.loc.redefaultToSystem(); + } + + var df = this.systemLoc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.format(); + }; + + _proto.formatDateTime = function formatDateTime(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.format(); + }; + + _proto.formatDateTimeParts = function formatDateTimeParts(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.formatToParts(); + }; + + _proto.resolvedOptions = function resolvedOptions(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.resolvedOptions(); + }; + + _proto.num = function num(n, p) { + if (p === void 0) { + p = 0; + } + + // we get some perf out of doing this here, annoyingly + if (this.opts.forceSimple) { + return padStart(n, p); + } + + var opts = _extends({}, this.opts); + + if (p > 0) { + opts.padTo = p; + } + + return this.loc.numberFormatter(opts).format(n); + }; + + _proto.formatDateTimeFromString = function formatDateTimeFromString(dt, fmt) { + var _this = this; + + var knownEnglish = this.loc.listingMode() === "en", + useDateTimeFormatter = this.loc.outputCalendar && this.loc.outputCalendar !== "gregory", + string = function string(opts, extract) { + return _this.loc.extract(dt, opts, extract); + }, + formatOffset = function formatOffset(opts) { + if (dt.isOffsetFixed && dt.offset === 0 && opts.allowZ) { + return "Z"; + } + + return dt.isValid ? dt.zone.formatOffset(dt.ts, opts.format) : ""; + }, + meridiem = function meridiem() { + return knownEnglish ? meridiemForDateTime(dt) : string({ + hour: "numeric", + hourCycle: "h12" + }, "dayperiod"); + }, + month = function month(length, standalone) { + return knownEnglish ? monthForDateTime(dt, length) : string(standalone ? { + month: length + } : { + month: length, + day: "numeric" + }, "month"); + }, + weekday = function weekday(length, standalone) { + return knownEnglish ? weekdayForDateTime(dt, length) : string(standalone ? { + weekday: length + } : { + weekday: length, + month: "long", + day: "numeric" + }, "weekday"); + }, + maybeMacro = function maybeMacro(token) { + var formatOpts = Formatter.macroTokenToFormatOpts(token); + + if (formatOpts) { + return _this.formatWithSystemDefault(dt, formatOpts); + } else { + return token; + } + }, + era = function era(length) { + return knownEnglish ? eraForDateTime(dt, length) : string({ + era: length + }, "era"); + }, + tokenToString = function tokenToString(token) { + // Where possible: http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles + switch (token) { + // ms + case "S": + return _this.num(dt.millisecond); + + case "u": // falls through + + case "SSS": + return _this.num(dt.millisecond, 3); + // seconds + + case "s": + return _this.num(dt.second); + + case "ss": + return _this.num(dt.second, 2); + // fractional seconds + + case "uu": + return _this.num(Math.floor(dt.millisecond / 10), 2); + + case "uuu": + return _this.num(Math.floor(dt.millisecond / 100)); + // minutes + + case "m": + return _this.num(dt.minute); + + case "mm": + return _this.num(dt.minute, 2); + // hours + + case "h": + return _this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12); + + case "hh": + return _this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12, 2); + + case "H": + return _this.num(dt.hour); + + case "HH": + return _this.num(dt.hour, 2); + // offset + + case "Z": + // like +6 + return formatOffset({ + format: "narrow", + allowZ: _this.opts.allowZ + }); + + case "ZZ": + // like +06:00 + return formatOffset({ + format: "short", + allowZ: _this.opts.allowZ + }); + + case "ZZZ": + // like +0600 + return formatOffset({ + format: "techie", + allowZ: _this.opts.allowZ + }); + + case "ZZZZ": + // like EST + return dt.zone.offsetName(dt.ts, { + format: "short", + locale: _this.loc.locale + }); + + case "ZZZZZ": + // like Eastern Standard Time + return dt.zone.offsetName(dt.ts, { + format: "long", + locale: _this.loc.locale + }); + // zone + + case "z": + // like America/New_York + return dt.zoneName; + // meridiems + + case "a": + return meridiem(); + // dates + + case "d": + return useDateTimeFormatter ? string({ + day: "numeric" + }, "day") : _this.num(dt.day); + + case "dd": + return useDateTimeFormatter ? string({ + day: "2-digit" + }, "day") : _this.num(dt.day, 2); + // weekdays - standalone + + case "c": + // like 1 + return _this.num(dt.weekday); + + case "ccc": + // like 'Tues' + return weekday("short", true); + + case "cccc": + // like 'Tuesday' + return weekday("long", true); + + case "ccccc": + // like 'T' + return weekday("narrow", true); + // weekdays - format + + case "E": + // like 1 + return _this.num(dt.weekday); + + case "EEE": + // like 'Tues' + return weekday("short", false); + + case "EEEE": + // like 'Tuesday' + return weekday("long", false); + + case "EEEEE": + // like 'T' + return weekday("narrow", false); + // months - standalone + + case "L": + // like 1 + return useDateTimeFormatter ? string({ + month: "numeric", + day: "numeric" + }, "month") : _this.num(dt.month); + + case "LL": + // like 01, doesn't seem to work + return useDateTimeFormatter ? string({ + month: "2-digit", + day: "numeric" + }, "month") : _this.num(dt.month, 2); + + case "LLL": + // like Jan + return month("short", true); + + case "LLLL": + // like January + return month("long", true); + + case "LLLLL": + // like J + return month("narrow", true); + // months - format + + case "M": + // like 1 + return useDateTimeFormatter ? string({ + month: "numeric" + }, "month") : _this.num(dt.month); + + case "MM": + // like 01 + return useDateTimeFormatter ? string({ + month: "2-digit" + }, "month") : _this.num(dt.month, 2); + + case "MMM": + // like Jan + return month("short", false); + + case "MMMM": + // like January + return month("long", false); + + case "MMMMM": + // like J + return month("narrow", false); + // years + + case "y": + // like 2014 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year); + + case "yy": + // like 14 + return useDateTimeFormatter ? string({ + year: "2-digit" + }, "year") : _this.num(dt.year.toString().slice(-2), 2); + + case "yyyy": + // like 0012 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year, 4); + + case "yyyyyy": + // like 000012 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year, 6); + // eras + + case "G": + // like AD + return era("short"); + + case "GG": + // like Anno Domini + return era("long"); + + case "GGGGG": + return era("narrow"); + + case "kk": + return _this.num(dt.weekYear.toString().slice(-2), 2); + + case "kkkk": + return _this.num(dt.weekYear, 4); + + case "W": + return _this.num(dt.weekNumber); + + case "WW": + return _this.num(dt.weekNumber, 2); + + case "o": + return _this.num(dt.ordinal); + + case "ooo": + return _this.num(dt.ordinal, 3); + + case "q": + // like 1 + return _this.num(dt.quarter); + + case "qq": + // like 01 + return _this.num(dt.quarter, 2); + + case "X": + return _this.num(Math.floor(dt.ts / 1000)); + + case "x": + return _this.num(dt.ts); + + default: + return maybeMacro(token); + } + }; + + return stringifyTokens(Formatter.parseFormat(fmt), tokenToString); + }; + + _proto.formatDurationFromString = function formatDurationFromString(dur, fmt) { + var _this2 = this; + + var tokenToField = function tokenToField(token) { + switch (token[0]) { + case "S": + return "millisecond"; + + case "s": + return "second"; + + case "m": + return "minute"; + + case "h": + return "hour"; + + case "d": + return "day"; + + case "M": + return "month"; + + case "y": + return "year"; + + default: + return null; + } + }, + tokenToString = function tokenToString(lildur) { + return function (token) { + var mapped = tokenToField(token); + + if (mapped) { + return _this2.num(lildur.get(mapped), token.length); + } else { + return token; + } + }; + }, + tokens = Formatter.parseFormat(fmt), + realTokens = tokens.reduce(function (found, _ref) { + var literal = _ref.literal, + val = _ref.val; + return literal ? found : found.concat(val); + }, []), + collapsed = dur.shiftTo.apply(dur, realTokens.map(tokenToField).filter(function (t) { + return t; + })); + + return stringifyTokens(tokens, tokenToString(collapsed)); + }; + + return Formatter; +}(); + +var Invalid = /*#__PURE__*/function () { + function Invalid(reason, explanation) { + this.reason = reason; + this.explanation = explanation; + } + + var _proto = Invalid.prototype; + + _proto.toMessage = function toMessage() { + if (this.explanation) { + return this.reason + ": " + this.explanation; + } else { + return this.reason; + } + }; + + return Invalid; +}(); + +/** + * @interface + */ + +var Zone = /*#__PURE__*/function () { + function Zone() {} + + var _proto = Zone.prototype; + + /** + * Returns the offset's common name (such as EST) at the specified timestamp + * @abstract + * @param {number} ts - Epoch milliseconds for which to get the name + * @param {Object} opts - Options to affect the format + * @param {string} opts.format - What style of offset to return. Accepts 'long' or 'short'. + * @param {string} opts.locale - What locale to return the offset name in. + * @return {string} + */ + _proto.offsetName = function offsetName(ts, opts) { + throw new ZoneIsAbstractError(); + } + /** + * Returns the offset's value as a string + * @abstract + * @param {number} ts - Epoch milliseconds for which to get the offset + * @param {string} format - What style of offset to return. + * Accepts 'narrow', 'short', or 'techie'. Returning '+6', '+06:00', or '+0600' respectively + * @return {string} + */ + ; + + _proto.formatOffset = function formatOffset(ts, format) { + throw new ZoneIsAbstractError(); + } + /** + * Return the offset in minutes for this zone at the specified timestamp. + * @abstract + * @param {number} ts - Epoch milliseconds for which to compute the offset + * @return {number} + */ + ; + + _proto.offset = function offset(ts) { + throw new ZoneIsAbstractError(); + } + /** + * Return whether this Zone is equal to another zone + * @abstract + * @param {Zone} otherZone - the zone to compare + * @return {boolean} + */ + ; + + _proto.equals = function equals(otherZone) { + throw new ZoneIsAbstractError(); + } + /** + * Return whether this Zone is valid. + * @abstract + * @type {boolean} + */ + ; + + _createClass(Zone, [{ + key: "type", + get: + /** + * The type of zone + * @abstract + * @type {string} + */ + function get() { + throw new ZoneIsAbstractError(); + } + /** + * The name of this zone. + * @abstract + * @type {string} + */ + + }, { + key: "name", + get: function get() { + throw new ZoneIsAbstractError(); + } + /** + * Returns whether the offset is known to be fixed for the whole year. + * @abstract + * @type {boolean} + */ + + }, { + key: "isUniversal", + get: function get() { + throw new ZoneIsAbstractError(); + } + }, { + key: "isValid", + get: function get() { + throw new ZoneIsAbstractError(); + } + }]); + + return Zone; +}(); + +var singleton$1 = null; +/** + * Represents the local zone for this JavaScript environment. + * @implements {Zone} + */ + +var SystemZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(SystemZone, _Zone); + + function SystemZone() { + return _Zone.apply(this, arguments) || this; + } + + var _proto = SystemZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName(ts, _ref) { + var format = _ref.format, + locale = _ref.locale; + return parseZoneInfo(ts, format, locale); + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.offset(ts), format); + } + /** @override **/ + ; + + _proto.offset = function offset(ts) { + return -new Date(ts).getTimezoneOffset(); + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "system"; + } + /** @override **/ + ; + + _createClass(SystemZone, [{ + key: "type", + get: + /** @override **/ + function get() { + return "system"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return new Intl.DateTimeFormat().resolvedOptions().timeZone; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return true; + } + }], [{ + key: "instance", + get: + /** + * Get a singleton instance of the local zone + * @return {SystemZone} + */ + function get() { + if (singleton$1 === null) { + singleton$1 = new SystemZone(); + } + + return singleton$1; + } + }]); + + return SystemZone; +}(Zone); + +RegExp("^" + ianaRegex.source + "$"); +var dtfCache = {}; + +function makeDTF(zone) { + if (!dtfCache[zone]) { + dtfCache[zone] = new Intl.DateTimeFormat("en-US", { + hour12: false, + timeZone: zone, + year: "numeric", + month: "2-digit", + day: "2-digit", + hour: "2-digit", + minute: "2-digit", + second: "2-digit" + }); + } + + return dtfCache[zone]; +} + +var typeToPos = { + year: 0, + month: 1, + day: 2, + hour: 3, + minute: 4, + second: 5 +}; + +function hackyOffset(dtf, date) { + var formatted = dtf.format(date).replace(/\u200E/g, ""), + parsed = /(\d+)\/(\d+)\/(\d+),? (\d+):(\d+):(\d+)/.exec(formatted), + fMonth = parsed[1], + fDay = parsed[2], + fYear = parsed[3], + fHour = parsed[4], + fMinute = parsed[5], + fSecond = parsed[6]; + return [fYear, fMonth, fDay, fHour, fMinute, fSecond]; +} + +function partsOffset(dtf, date) { + var formatted = dtf.formatToParts(date), + filled = []; + + for (var i = 0; i < formatted.length; i++) { + var _formatted$i = formatted[i], + type = _formatted$i.type, + value = _formatted$i.value, + pos = typeToPos[type]; + + if (!isUndefined(pos)) { + filled[pos] = parseInt(value, 10); + } + } + + return filled; +} + +var ianaZoneCache = {}; +/** + * A zone identified by an IANA identifier, like America/New_York + * @implements {Zone} + */ + +var IANAZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(IANAZone, _Zone); + + /** + * @param {string} name - Zone name + * @return {IANAZone} + */ + IANAZone.create = function create(name) { + if (!ianaZoneCache[name]) { + ianaZoneCache[name] = new IANAZone(name); + } + + return ianaZoneCache[name]; + } + /** + * Reset local caches. Should only be necessary in testing scenarios. + * @return {void} + */ + ; + + IANAZone.resetCache = function resetCache() { + ianaZoneCache = {}; + dtfCache = {}; + } + /** + * Returns whether the provided string is a valid specifier. This only checks the string's format, not that the specifier identifies a known zone; see isValidZone for that. + * @param {string} s - The string to check validity on + * @example IANAZone.isValidSpecifier("America/New_York") //=> true + * @example IANAZone.isValidSpecifier("Sport~~blorp") //=> false + * @deprecated This method returns false some valid IANA names. Use isValidZone instead + * @return {boolean} + */ + ; + + IANAZone.isValidSpecifier = function isValidSpecifier(s) { + return this.isValidZone(s); + } + /** + * Returns whether the provided string identifies a real zone + * @param {string} zone - The string to check + * @example IANAZone.isValidZone("America/New_York") //=> true + * @example IANAZone.isValidZone("Fantasia/Castle") //=> false + * @example IANAZone.isValidZone("Sport~~blorp") //=> false + * @return {boolean} + */ + ; + + IANAZone.isValidZone = function isValidZone(zone) { + if (!zone) { + return false; + } + + try { + new Intl.DateTimeFormat("en-US", { + timeZone: zone + }).format(); + return true; + } catch (e) { + return false; + } + }; + + function IANAZone(name) { + var _this; + + _this = _Zone.call(this) || this; + /** @private **/ + + _this.zoneName = name; + /** @private **/ + + _this.valid = IANAZone.isValidZone(name); + return _this; + } + /** @override **/ + + + var _proto = IANAZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName(ts, _ref) { + var format = _ref.format, + locale = _ref.locale; + return parseZoneInfo(ts, format, locale, this.name); + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.offset(ts), format); + } + /** @override **/ + ; + + _proto.offset = function offset(ts) { + var date = new Date(ts); + if (isNaN(date)) return NaN; + + var dtf = makeDTF(this.name), + _ref2 = dtf.formatToParts ? partsOffset(dtf, date) : hackyOffset(dtf, date), + year = _ref2[0], + month = _ref2[1], + day = _ref2[2], + hour = _ref2[3], + minute = _ref2[4], + second = _ref2[5]; // because we're using hour12 and https://bugs.chromium.org/p/chromium/issues/detail?id=1025564&can=2&q=%2224%3A00%22%20datetimeformat + + + var adjustedHour = hour === 24 ? 0 : hour; + var asUTC = objToLocalTS({ + year: year, + month: month, + day: day, + hour: adjustedHour, + minute: minute, + second: second, + millisecond: 0 + }); + var asTS = +date; + var over = asTS % 1000; + asTS -= over >= 0 ? over : 1000 + over; + return (asUTC - asTS) / (60 * 1000); + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "iana" && otherZone.name === this.name; + } + /** @override **/ + ; + + _createClass(IANAZone, [{ + key: "type", + get: function get() { + return "iana"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.zoneName; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return this.valid; + } + }]); + + return IANAZone; +}(Zone); + +var singleton = null; +/** + * A zone with a fixed offset (meaning no DST) + * @implements {Zone} + */ + +var FixedOffsetZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(FixedOffsetZone, _Zone); + + /** + * Get an instance with a specified offset + * @param {number} offset - The offset in minutes + * @return {FixedOffsetZone} + */ + FixedOffsetZone.instance = function instance(offset) { + return offset === 0 ? FixedOffsetZone.utcInstance : new FixedOffsetZone(offset); + } + /** + * Get an instance of FixedOffsetZone from a UTC offset string, like "UTC+6" + * @param {string} s - The offset string to parse + * @example FixedOffsetZone.parseSpecifier("UTC+6") + * @example FixedOffsetZone.parseSpecifier("UTC+06") + * @example FixedOffsetZone.parseSpecifier("UTC-6:00") + * @return {FixedOffsetZone} + */ + ; + + FixedOffsetZone.parseSpecifier = function parseSpecifier(s) { + if (s) { + var r = s.match(/^utc(?:([+-]\d{1,2})(?::(\d{2}))?)?$/i); + + if (r) { + return new FixedOffsetZone(signedOffset(r[1], r[2])); + } + } + + return null; + }; + + function FixedOffsetZone(offset) { + var _this; + + _this = _Zone.call(this) || this; + /** @private **/ + + _this.fixed = offset; + return _this; + } + /** @override **/ + + + var _proto = FixedOffsetZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName() { + return this.name; + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.fixed, format); + } + /** @override **/ + ; + + /** @override **/ + _proto.offset = function offset() { + return this.fixed; + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "fixed" && otherZone.fixed === this.fixed; + } + /** @override **/ + ; + + _createClass(FixedOffsetZone, [{ + key: "type", + get: function get() { + return "fixed"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.fixed === 0 ? "UTC" : "UTC" + formatOffset(this.fixed, "narrow"); + } + }, { + key: "isUniversal", + get: function get() { + return true; + } + }, { + key: "isValid", + get: function get() { + return true; + } + }], [{ + key: "utcInstance", + get: + /** + * Get a singleton instance of UTC + * @return {FixedOffsetZone} + */ + function get() { + if (singleton === null) { + singleton = new FixedOffsetZone(0); + } + + return singleton; + } + }]); + + return FixedOffsetZone; +}(Zone); + +/** + * A zone that failed to parse. You should never need to instantiate this. + * @implements {Zone} + */ + +var InvalidZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(InvalidZone, _Zone); + + function InvalidZone(zoneName) { + var _this; + + _this = _Zone.call(this) || this; + /** @private */ + + _this.zoneName = zoneName; + return _this; + } + /** @override **/ + + + var _proto = InvalidZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName() { + return null; + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset() { + return ""; + } + /** @override **/ + ; + + _proto.offset = function offset() { + return NaN; + } + /** @override **/ + ; + + _proto.equals = function equals() { + return false; + } + /** @override **/ + ; + + _createClass(InvalidZone, [{ + key: "type", + get: function get() { + return "invalid"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.zoneName; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return false; + } + }]); + + return InvalidZone; +}(Zone); + +/** + * @private + */ +function normalizeZone(input, defaultZone) { + + if (isUndefined(input) || input === null) { + return defaultZone; + } else if (input instanceof Zone) { + return input; + } else if (isString(input)) { + var lowered = input.toLowerCase(); + if (lowered === "local" || lowered === "system") return defaultZone;else if (lowered === "utc" || lowered === "gmt") return FixedOffsetZone.utcInstance;else return FixedOffsetZone.parseSpecifier(lowered) || IANAZone.create(input); + } else if (isNumber(input)) { + return FixedOffsetZone.instance(input); + } else if (typeof input === "object" && input.offset && typeof input.offset === "number") { + // This is dumb, but the instanceof check above doesn't seem to really work + // so we're duck checking it + return input; + } else { + return new InvalidZone(input); + } +} + +var now = function now() { + return Date.now(); +}, + defaultZone = "system", + defaultLocale = null, + defaultNumberingSystem = null, + defaultOutputCalendar = null, + throwOnInvalid; +/** + * Settings contains static getters and setters that control Luxon's overall behavior. Luxon is a simple library with few options, but the ones it does have live here. + */ + + +var Settings = /*#__PURE__*/function () { + function Settings() {} + + /** + * Reset Luxon's global caches. Should only be necessary in testing scenarios. + * @return {void} + */ + Settings.resetCaches = function resetCaches() { + Locale.resetCache(); + IANAZone.resetCache(); + }; + + _createClass(Settings, null, [{ + key: "now", + get: + /** + * Get the callback for returning the current timestamp. + * @type {function} + */ + function get() { + return now; + } + /** + * Set the callback for returning the current timestamp. + * The function should return a number, which will be interpreted as an Epoch millisecond count + * @type {function} + * @example Settings.now = () => Date.now() + 3000 // pretend it is 3 seconds in the future + * @example Settings.now = () => 0 // always pretend it's Jan 1, 1970 at midnight in UTC time + */ + , + set: function set(n) { + now = n; + } + /** + * Set the default time zone to create DateTimes in. Does not affect existing instances. + * Use the value "system" to reset this value to the system's time zone. + * @type {string} + */ + + }, { + key: "defaultZone", + get: + /** + * Get the default time zone object currently used to create DateTimes. Does not affect existing instances. + * The default value is the system's time zone (the one set on the machine that runs this code). + * @type {Zone} + */ + function get() { + return normalizeZone(defaultZone, SystemZone.instance); + } + /** + * Get the default locale to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(zone) { + defaultZone = zone; + } + }, { + key: "defaultLocale", + get: function get() { + return defaultLocale; + } + /** + * Set the default locale to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(locale) { + defaultLocale = locale; + } + /** + * Get the default numbering system to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + + }, { + key: "defaultNumberingSystem", + get: function get() { + return defaultNumberingSystem; + } + /** + * Set the default numbering system to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(numberingSystem) { + defaultNumberingSystem = numberingSystem; + } + /** + * Get the default output calendar to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + + }, { + key: "defaultOutputCalendar", + get: function get() { + return defaultOutputCalendar; + } + /** + * Set the default output calendar to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(outputCalendar) { + defaultOutputCalendar = outputCalendar; + } + /** + * Get whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals + * @type {boolean} + */ + + }, { + key: "throwOnInvalid", + get: function get() { + return throwOnInvalid; + } + /** + * Set whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals + * @type {boolean} + */ + , + set: function set(t) { + throwOnInvalid = t; + } + }]); + + return Settings; +}(); + +var _excluded = ["base"], + _excluded2 = ["padTo", "floor"]; + +var intlLFCache = {}; + +function getCachedLF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var dtf = intlLFCache[key]; + + if (!dtf) { + dtf = new Intl.ListFormat(locString, opts); + intlLFCache[key] = dtf; + } + + return dtf; +} + +var intlDTCache = {}; + +function getCachedDTF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var dtf = intlDTCache[key]; + + if (!dtf) { + dtf = new Intl.DateTimeFormat(locString, opts); + intlDTCache[key] = dtf; + } + + return dtf; +} + +var intlNumCache = {}; + +function getCachedINF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var inf = intlNumCache[key]; + + if (!inf) { + inf = new Intl.NumberFormat(locString, opts); + intlNumCache[key] = inf; + } + + return inf; +} + +var intlRelCache = {}; + +function getCachedRTF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var _opts = opts; + _opts.base; + var cacheKeyOpts = _objectWithoutPropertiesLoose(_opts, _excluded); // exclude `base` from the options + + + var key = JSON.stringify([locString, cacheKeyOpts]); + var inf = intlRelCache[key]; + + if (!inf) { + inf = new Intl.RelativeTimeFormat(locString, opts); + intlRelCache[key] = inf; + } + + return inf; +} + +var sysLocaleCache = null; + +function systemLocale() { + if (sysLocaleCache) { + return sysLocaleCache; + } else { + sysLocaleCache = new Intl.DateTimeFormat().resolvedOptions().locale; + return sysLocaleCache; + } +} + +function parseLocaleString(localeStr) { + // I really want to avoid writing a BCP 47 parser + // see, e.g. https://github.com/wooorm/bcp-47 + // Instead, we'll do this: + // a) if the string has no -u extensions, just leave it alone + // b) if it does, use Intl to resolve everything + // c) if Intl fails, try again without the -u + var uIndex = localeStr.indexOf("-u-"); + + if (uIndex === -1) { + return [localeStr]; + } else { + var options; + var smaller = localeStr.substring(0, uIndex); + + try { + options = getCachedDTF(localeStr).resolvedOptions(); + } catch (e) { + options = getCachedDTF(smaller).resolvedOptions(); + } + + var _options = options, + numberingSystem = _options.numberingSystem, + calendar = _options.calendar; // return the smaller one so that we can append the calendar and numbering overrides to it + + return [smaller, numberingSystem, calendar]; + } +} + +function intlConfigString(localeStr, numberingSystem, outputCalendar) { + if (outputCalendar || numberingSystem) { + localeStr += "-u"; + + if (outputCalendar) { + localeStr += "-ca-" + outputCalendar; + } + + if (numberingSystem) { + localeStr += "-nu-" + numberingSystem; + } + + return localeStr; + } else { + return localeStr; + } +} + +function mapMonths(f) { + var ms = []; + + for (var i = 1; i <= 12; i++) { + var dt = DateTime.utc(2016, i, 1); + ms.push(f(dt)); + } + + return ms; +} + +function mapWeekdays(f) { + var ms = []; + + for (var i = 1; i <= 7; i++) { + var dt = DateTime.utc(2016, 11, 13 + i); + ms.push(f(dt)); + } + + return ms; +} + +function listStuff(loc, length, defaultOK, englishFn, intlFn) { + var mode = loc.listingMode(defaultOK); + + if (mode === "error") { + return null; + } else if (mode === "en") { + return englishFn(length); + } else { + return intlFn(length); + } +} + +function supportsFastNumbers(loc) { + if (loc.numberingSystem && loc.numberingSystem !== "latn") { + return false; + } else { + return loc.numberingSystem === "latn" || !loc.locale || loc.locale.startsWith("en") || new Intl.DateTimeFormat(loc.intl).resolvedOptions().numberingSystem === "latn"; + } +} +/** + * @private + */ + + +var PolyNumberFormatter = /*#__PURE__*/function () { + function PolyNumberFormatter(intl, forceSimple, opts) { + this.padTo = opts.padTo || 0; + this.floor = opts.floor || false; + + opts.padTo; + opts.floor; + var otherOpts = _objectWithoutPropertiesLoose(opts, _excluded2); + + if (!forceSimple || Object.keys(otherOpts).length > 0) { + var intlOpts = _extends({ + useGrouping: false + }, opts); + + if (opts.padTo > 0) intlOpts.minimumIntegerDigits = opts.padTo; + this.inf = getCachedINF(intl, intlOpts); + } + } + + var _proto = PolyNumberFormatter.prototype; + + _proto.format = function format(i) { + if (this.inf) { + var fixed = this.floor ? Math.floor(i) : i; + return this.inf.format(fixed); + } else { + // to match the browser's numberformatter defaults + var _fixed = this.floor ? Math.floor(i) : roundTo(i, 3); + + return padStart(_fixed, this.padTo); + } + }; + + return PolyNumberFormatter; +}(); +/** + * @private + */ + + +var PolyDateFormatter = /*#__PURE__*/function () { + function PolyDateFormatter(dt, intl, opts) { + this.opts = opts; + var z; + + if (dt.zone.isUniversal) { + // UTC-8 or Etc/UTC-8 are not part of tzdata, only Etc/GMT+8 and the like. + // That is why fixed-offset TZ is set to that unless it is: + // 1. Representing offset 0 when UTC is used to maintain previous behavior and does not become GMT. + // 2. Unsupported by the browser: + // - some do not support Etc/ + // - < Etc/GMT-14, > Etc/GMT+12, and 30-minute or 45-minute offsets are not part of tzdata + var gmtOffset = -1 * (dt.offset / 60); + var offsetZ = gmtOffset >= 0 ? "Etc/GMT+" + gmtOffset : "Etc/GMT" + gmtOffset; + + if (dt.offset !== 0 && IANAZone.create(offsetZ).valid) { + z = offsetZ; + this.dt = dt; + } else { + // Not all fixed-offset zones like Etc/+4:30 are present in tzdata. + // So we have to make do. Two cases: + // 1. The format options tell us to show the zone. We can't do that, so the best + // we can do is format the date in UTC. + // 2. The format options don't tell us to show the zone. Then we can adjust them + // the time and tell the formatter to show it to us in UTC, so that the time is right + // and the bad zone doesn't show up. + z = "UTC"; + + if (opts.timeZoneName) { + this.dt = dt; + } else { + this.dt = dt.offset === 0 ? dt : DateTime.fromMillis(dt.ts + dt.offset * 60 * 1000); + } + } + } else if (dt.zone.type === "system") { + this.dt = dt; + } else { + this.dt = dt; + z = dt.zone.name; + } + + var intlOpts = _extends({}, this.opts); + + if (z) { + intlOpts.timeZone = z; + } + + this.dtf = getCachedDTF(intl, intlOpts); + } + + var _proto2 = PolyDateFormatter.prototype; + + _proto2.format = function format() { + return this.dtf.format(this.dt.toJSDate()); + }; + + _proto2.formatToParts = function formatToParts() { + return this.dtf.formatToParts(this.dt.toJSDate()); + }; + + _proto2.resolvedOptions = function resolvedOptions() { + return this.dtf.resolvedOptions(); + }; + + return PolyDateFormatter; +}(); +/** + * @private + */ + + +var PolyRelFormatter = /*#__PURE__*/function () { + function PolyRelFormatter(intl, isEnglish, opts) { + this.opts = _extends({ + style: "long" + }, opts); + + if (!isEnglish && hasRelative()) { + this.rtf = getCachedRTF(intl, opts); + } + } + + var _proto3 = PolyRelFormatter.prototype; + + _proto3.format = function format(count, unit) { + if (this.rtf) { + return this.rtf.format(count, unit); + } else { + return formatRelativeTime(unit, count, this.opts.numeric, this.opts.style !== "long"); + } + }; + + _proto3.formatToParts = function formatToParts(count, unit) { + if (this.rtf) { + return this.rtf.formatToParts(count, unit); + } else { + return []; + } + }; + + return PolyRelFormatter; +}(); +/** + * @private + */ + + +var Locale = /*#__PURE__*/function () { + Locale.fromOpts = function fromOpts(opts) { + return Locale.create(opts.locale, opts.numberingSystem, opts.outputCalendar, opts.defaultToEN); + }; + + Locale.create = function create(locale, numberingSystem, outputCalendar, defaultToEN) { + if (defaultToEN === void 0) { + defaultToEN = false; + } + + var specifiedLocale = locale || Settings.defaultLocale; // the system locale is useful for human readable strings but annoying for parsing/formatting known formats + + var localeR = specifiedLocale || (defaultToEN ? "en-US" : systemLocale()); + var numberingSystemR = numberingSystem || Settings.defaultNumberingSystem; + var outputCalendarR = outputCalendar || Settings.defaultOutputCalendar; + return new Locale(localeR, numberingSystemR, outputCalendarR, specifiedLocale); + }; + + Locale.resetCache = function resetCache() { + sysLocaleCache = null; + intlDTCache = {}; + intlNumCache = {}; + intlRelCache = {}; + }; + + Locale.fromObject = function fromObject(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + locale = _ref.locale, + numberingSystem = _ref.numberingSystem, + outputCalendar = _ref.outputCalendar; + + return Locale.create(locale, numberingSystem, outputCalendar); + }; + + function Locale(locale, numbering, outputCalendar, specifiedLocale) { + var _parseLocaleString = parseLocaleString(locale), + parsedLocale = _parseLocaleString[0], + parsedNumberingSystem = _parseLocaleString[1], + parsedOutputCalendar = _parseLocaleString[2]; + + this.locale = parsedLocale; + this.numberingSystem = numbering || parsedNumberingSystem || null; + this.outputCalendar = outputCalendar || parsedOutputCalendar || null; + this.intl = intlConfigString(this.locale, this.numberingSystem, this.outputCalendar); + this.weekdaysCache = { + format: {}, + standalone: {} + }; + this.monthsCache = { + format: {}, + standalone: {} + }; + this.meridiemCache = null; + this.eraCache = {}; + this.specifiedLocale = specifiedLocale; + this.fastNumbersCached = null; + } + + var _proto4 = Locale.prototype; + + _proto4.listingMode = function listingMode() { + var isActuallyEn = this.isEnglish(); + var hasNoWeirdness = (this.numberingSystem === null || this.numberingSystem === "latn") && (this.outputCalendar === null || this.outputCalendar === "gregory"); + return isActuallyEn && hasNoWeirdness ? "en" : "intl"; + }; + + _proto4.clone = function clone(alts) { + if (!alts || Object.getOwnPropertyNames(alts).length === 0) { + return this; + } else { + return Locale.create(alts.locale || this.specifiedLocale, alts.numberingSystem || this.numberingSystem, alts.outputCalendar || this.outputCalendar, alts.defaultToEN || false); + } + }; + + _proto4.redefaultToEN = function redefaultToEN(alts) { + if (alts === void 0) { + alts = {}; + } + + return this.clone(_extends({}, alts, { + defaultToEN: true + })); + }; + + _proto4.redefaultToSystem = function redefaultToSystem(alts) { + if (alts === void 0) { + alts = {}; + } + + return this.clone(_extends({}, alts, { + defaultToEN: false + })); + }; + + _proto4.months = function months$1(length, format, defaultOK) { + var _this = this; + + if (format === void 0) { + format = false; + } + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, months, function () { + var intl = format ? { + month: length, + day: "numeric" + } : { + month: length + }, + formatStr = format ? "format" : "standalone"; + + if (!_this.monthsCache[formatStr][length]) { + _this.monthsCache[formatStr][length] = mapMonths(function (dt) { + return _this.extract(dt, intl, "month"); + }); + } + + return _this.monthsCache[formatStr][length]; + }); + }; + + _proto4.weekdays = function weekdays$1(length, format, defaultOK) { + var _this2 = this; + + if (format === void 0) { + format = false; + } + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, weekdays, function () { + var intl = format ? { + weekday: length, + year: "numeric", + month: "long", + day: "numeric" + } : { + weekday: length + }, + formatStr = format ? "format" : "standalone"; + + if (!_this2.weekdaysCache[formatStr][length]) { + _this2.weekdaysCache[formatStr][length] = mapWeekdays(function (dt) { + return _this2.extract(dt, intl, "weekday"); + }); + } + + return _this2.weekdaysCache[formatStr][length]; + }); + }; + + _proto4.meridiems = function meridiems$1(defaultOK) { + var _this3 = this; + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, undefined, defaultOK, function () { + return meridiems; + }, function () { + // In theory there could be aribitrary day periods. We're gonna assume there are exactly two + // for AM and PM. This is probably wrong, but it's makes parsing way easier. + if (!_this3.meridiemCache) { + var intl = { + hour: "numeric", + hourCycle: "h12" + }; + _this3.meridiemCache = [DateTime.utc(2016, 11, 13, 9), DateTime.utc(2016, 11, 13, 19)].map(function (dt) { + return _this3.extract(dt, intl, "dayperiod"); + }); + } + + return _this3.meridiemCache; + }); + }; + + _proto4.eras = function eras$1(length, defaultOK) { + var _this4 = this; + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, eras, function () { + var intl = { + era: length + }; // This is problematic. Different calendars are going to define eras totally differently. What I need is the minimum set of dates + // to definitely enumerate them. + + if (!_this4.eraCache[length]) { + _this4.eraCache[length] = [DateTime.utc(-40, 1, 1), DateTime.utc(2017, 1, 1)].map(function (dt) { + return _this4.extract(dt, intl, "era"); + }); + } + + return _this4.eraCache[length]; + }); + }; + + _proto4.extract = function extract(dt, intlOpts, field) { + var df = this.dtFormatter(dt, intlOpts), + results = df.formatToParts(), + matching = results.find(function (m) { + return m.type.toLowerCase() === field; + }); + return matching ? matching.value : null; + }; + + _proto4.numberFormatter = function numberFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + // this forcesimple option is never used (the only caller short-circuits on it, but it seems safer to leave) + // (in contrast, the rest of the condition is used heavily) + return new PolyNumberFormatter(this.intl, opts.forceSimple || this.fastNumbers, opts); + }; + + _proto4.dtFormatter = function dtFormatter(dt, intlOpts) { + if (intlOpts === void 0) { + intlOpts = {}; + } + + return new PolyDateFormatter(dt, this.intl, intlOpts); + }; + + _proto4.relFormatter = function relFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + return new PolyRelFormatter(this.intl, this.isEnglish(), opts); + }; + + _proto4.listFormatter = function listFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + return getCachedLF(this.intl, opts); + }; + + _proto4.isEnglish = function isEnglish() { + return this.locale === "en" || this.locale.toLowerCase() === "en-us" || new Intl.DateTimeFormat(this.intl).resolvedOptions().locale.startsWith("en-us"); + }; + + _proto4.equals = function equals(other) { + return this.locale === other.locale && this.numberingSystem === other.numberingSystem && this.outputCalendar === other.outputCalendar; + }; + + _createClass(Locale, [{ + key: "fastNumbers", + get: function get() { + if (this.fastNumbersCached == null) { + this.fastNumbersCached = supportsFastNumbers(this); + } + + return this.fastNumbersCached; + } + }]); + + return Locale; +}(); + +/* + * This file handles parsing for well-specified formats. Here's how it works: + * Two things go into parsing: a regex to match with and an extractor to take apart the groups in the match. + * An extractor is just a function that takes a regex match array and returns a { year: ..., month: ... } object + * parse() does the work of executing the regex and applying the extractor. It takes multiple regex/extractor pairs to try in sequence. + * Extractors can take a "cursor" representing the offset in the match to look at. This makes it easy to combine extractors. + * combineExtractors() does the work of combining them, keeping track of the cursor through multiple extractions. + * Some extractions are super dumb and simpleParse and fromStrings help DRY them. + */ + +function combineRegexes() { + for (var _len = arguments.length, regexes = new Array(_len), _key = 0; _key < _len; _key++) { + regexes[_key] = arguments[_key]; + } + + var full = regexes.reduce(function (f, r) { + return f + r.source; + }, ""); + return RegExp("^" + full + "$"); +} + +function combineExtractors() { + for (var _len2 = arguments.length, extractors = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + extractors[_key2] = arguments[_key2]; + } + + return function (m) { + return extractors.reduce(function (_ref, ex) { + var mergedVals = _ref[0], + mergedZone = _ref[1], + cursor = _ref[2]; + + var _ex = ex(m, cursor), + val = _ex[0], + zone = _ex[1], + next = _ex[2]; + + return [_extends({}, mergedVals, val), mergedZone || zone, next]; + }, [{}, null, 1]).slice(0, 2); + }; +} + +function parse(s) { + if (s == null) { + return [null, null]; + } + + for (var _len3 = arguments.length, patterns = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) { + patterns[_key3 - 1] = arguments[_key3]; + } + + for (var _i = 0, _patterns = patterns; _i < _patterns.length; _i++) { + var _patterns$_i = _patterns[_i], + regex = _patterns$_i[0], + extractor = _patterns$_i[1]; + var m = regex.exec(s); + + if (m) { + return extractor(m); + } + } + + return [null, null]; +} + +function simpleParse() { + for (var _len4 = arguments.length, keys = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { + keys[_key4] = arguments[_key4]; + } + + return function (match, cursor) { + var ret = {}; + var i; + + for (i = 0; i < keys.length; i++) { + ret[keys[i]] = parseInteger(match[cursor + i]); + } + + return [ret, null, cursor + i]; + }; +} // ISO and SQL parsing + + +var offsetRegex = /(?:(Z)|([+-]\d\d)(?::?(\d\d))?)/, + isoTimeBaseRegex = /(\d\d)(?::?(\d\d)(?::?(\d\d)(?:[.,](\d{1,30}))?)?)?/, + isoTimeRegex = RegExp("" + isoTimeBaseRegex.source + offsetRegex.source + "?"), + isoTimeExtensionRegex = RegExp("(?:T" + isoTimeRegex.source + ")?"), + isoYmdRegex = /([+-]\d{6}|\d{4})(?:-?(\d\d)(?:-?(\d\d))?)?/, + isoWeekRegex = /(\d{4})-?W(\d\d)(?:-?(\d))?/, + isoOrdinalRegex = /(\d{4})-?(\d{3})/, + extractISOWeekData = simpleParse("weekYear", "weekNumber", "weekDay"), + extractISOOrdinalData = simpleParse("year", "ordinal"), + sqlYmdRegex = /(\d{4})-(\d\d)-(\d\d)/, + // dumbed-down version of the ISO one +sqlTimeRegex = RegExp(isoTimeBaseRegex.source + " ?(?:" + offsetRegex.source + "|(" + ianaRegex.source + "))?"), + sqlTimeExtensionRegex = RegExp("(?: " + sqlTimeRegex.source + ")?"); + +function int(match, pos, fallback) { + var m = match[pos]; + return isUndefined(m) ? fallback : parseInteger(m); +} + +function extractISOYmd(match, cursor) { + var item = { + year: int(match, cursor), + month: int(match, cursor + 1, 1), + day: int(match, cursor + 2, 1) + }; + return [item, null, cursor + 3]; +} + +function extractISOTime(match, cursor) { + var item = { + hours: int(match, cursor, 0), + minutes: int(match, cursor + 1, 0), + seconds: int(match, cursor + 2, 0), + milliseconds: parseMillis(match[cursor + 3]) + }; + return [item, null, cursor + 4]; +} + +function extractISOOffset(match, cursor) { + var local = !match[cursor] && !match[cursor + 1], + fullOffset = signedOffset(match[cursor + 1], match[cursor + 2]), + zone = local ? null : FixedOffsetZone.instance(fullOffset); + return [{}, zone, cursor + 3]; +} + +function extractIANAZone(match, cursor) { + var zone = match[cursor] ? IANAZone.create(match[cursor]) : null; + return [{}, zone, cursor + 1]; +} // ISO time parsing + + +var isoTimeOnly = RegExp("^T?" + isoTimeBaseRegex.source + "$"); // ISO duration parsing + +var isoDuration = /^-?P(?:(?:(-?\d{1,9}(?:\.\d{1,9})?)Y)?(?:(-?\d{1,9}(?:\.\d{1,9})?)M)?(?:(-?\d{1,9}(?:\.\d{1,9})?)W)?(?:(-?\d{1,9}(?:\.\d{1,9})?)D)?(?:T(?:(-?\d{1,9}(?:\.\d{1,9})?)H)?(?:(-?\d{1,9}(?:\.\d{1,9})?)M)?(?:(-?\d{1,20})(?:[.,](-?\d{1,9}))?S)?)?)$/; + +function extractISODuration(match) { + var s = match[0], + yearStr = match[1], + monthStr = match[2], + weekStr = match[3], + dayStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + millisecondsStr = match[8]; + var hasNegativePrefix = s[0] === "-"; + var negativeSeconds = secondStr && secondStr[0] === "-"; + + var maybeNegate = function maybeNegate(num, force) { + if (force === void 0) { + force = false; + } + + return num !== undefined && (force || num && hasNegativePrefix) ? -num : num; + }; + + return [{ + years: maybeNegate(parseFloating(yearStr)), + months: maybeNegate(parseFloating(monthStr)), + weeks: maybeNegate(parseFloating(weekStr)), + days: maybeNegate(parseFloating(dayStr)), + hours: maybeNegate(parseFloating(hourStr)), + minutes: maybeNegate(parseFloating(minuteStr)), + seconds: maybeNegate(parseFloating(secondStr), secondStr === "-0"), + milliseconds: maybeNegate(parseMillis(millisecondsStr), negativeSeconds) + }]; +} // These are a little braindead. EDT *should* tell us that we're in, say, America/New_York +// and not just that we're in -240 *right now*. But since I don't think these are used that often +// I'm just going to ignore that + + +var obsOffsets = { + GMT: 0, + EDT: -4 * 60, + EST: -5 * 60, + CDT: -5 * 60, + CST: -6 * 60, + MDT: -6 * 60, + MST: -7 * 60, + PDT: -7 * 60, + PST: -8 * 60 +}; + +function fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { + var result = { + year: yearStr.length === 2 ? untruncateYear(parseInteger(yearStr)) : parseInteger(yearStr), + month: monthsShort.indexOf(monthStr) + 1, + day: parseInteger(dayStr), + hour: parseInteger(hourStr), + minute: parseInteger(minuteStr) + }; + if (secondStr) result.second = parseInteger(secondStr); + + if (weekdayStr) { + result.weekday = weekdayStr.length > 3 ? weekdaysLong.indexOf(weekdayStr) + 1 : weekdaysShort.indexOf(weekdayStr) + 1; + } + + return result; +} // RFC 2822/5322 + + +var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|(?:([+-]\d\d)(\d\d)))$/; + +function extractRFC2822(match) { + var weekdayStr = match[1], + dayStr = match[2], + monthStr = match[3], + yearStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + obsOffset = match[8], + milOffset = match[9], + offHourStr = match[10], + offMinuteStr = match[11], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + var offset; + + if (obsOffset) { + offset = obsOffsets[obsOffset]; + } else if (milOffset) { + offset = 0; + } else { + offset = signedOffset(offHourStr, offMinuteStr); + } + + return [result, new FixedOffsetZone(offset)]; +} + +function preprocessRFC2822(s) { + // Remove comments and folding whitespace and replace multiple-spaces with a single space + return s.replace(/\([^)]*\)|[\n\t]/g, " ").replace(/(\s\s+)/g, " ").trim(); +} // http date + + +var rfc1123 = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\d\d) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\d{4}) (\d\d):(\d\d):(\d\d) GMT$/, + rfc850 = /^(Monday|Tuesday|Wedsday|Thursday|Friday|Saturday|Sunday), (\d\d)-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\d\d) (\d\d):(\d\d):(\d\d) GMT$/, + ascii = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( \d|\d\d) (\d\d):(\d\d):(\d\d) (\d{4})$/; + +function extractRFC1123Or850(match) { + var weekdayStr = match[1], + dayStr = match[2], + monthStr = match[3], + yearStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + return [result, FixedOffsetZone.utcInstance]; +} + +function extractASCII(match) { + var weekdayStr = match[1], + monthStr = match[2], + dayStr = match[3], + hourStr = match[4], + minuteStr = match[5], + secondStr = match[6], + yearStr = match[7], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + return [result, FixedOffsetZone.utcInstance]; +} + +var isoYmdWithTimeExtensionRegex = combineRegexes(isoYmdRegex, isoTimeExtensionRegex); +var isoWeekWithTimeExtensionRegex = combineRegexes(isoWeekRegex, isoTimeExtensionRegex); +var isoOrdinalWithTimeExtensionRegex = combineRegexes(isoOrdinalRegex, isoTimeExtensionRegex); +var isoTimeCombinedRegex = combineRegexes(isoTimeRegex); +var extractISOYmdTimeAndOffset = combineExtractors(extractISOYmd, extractISOTime, extractISOOffset); +var extractISOWeekTimeAndOffset = combineExtractors(extractISOWeekData, extractISOTime, extractISOOffset); +var extractISOOrdinalDateAndTime = combineExtractors(extractISOOrdinalData, extractISOTime, extractISOOffset); +var extractISOTimeAndOffset = combineExtractors(extractISOTime, extractISOOffset); +/** + * @private + */ + +function parseISODate(s) { + return parse(s, [isoYmdWithTimeExtensionRegex, extractISOYmdTimeAndOffset], [isoWeekWithTimeExtensionRegex, extractISOWeekTimeAndOffset], [isoOrdinalWithTimeExtensionRegex, extractISOOrdinalDateAndTime], [isoTimeCombinedRegex, extractISOTimeAndOffset]); +} +function parseRFC2822Date(s) { + return parse(preprocessRFC2822(s), [rfc2822, extractRFC2822]); +} +function parseHTTPDate(s) { + return parse(s, [rfc1123, extractRFC1123Or850], [rfc850, extractRFC1123Or850], [ascii, extractASCII]); +} +function parseISODuration(s) { + return parse(s, [isoDuration, extractISODuration]); +} +var extractISOTimeOnly = combineExtractors(extractISOTime); +function parseISOTimeOnly(s) { + return parse(s, [isoTimeOnly, extractISOTimeOnly]); +} +var sqlYmdWithTimeExtensionRegex = combineRegexes(sqlYmdRegex, sqlTimeExtensionRegex); +var sqlTimeCombinedRegex = combineRegexes(sqlTimeRegex); +var extractISOYmdTimeOffsetAndIANAZone = combineExtractors(extractISOYmd, extractISOTime, extractISOOffset, extractIANAZone); +var extractISOTimeOffsetAndIANAZone = combineExtractors(extractISOTime, extractISOOffset, extractIANAZone); +function parseSQL(s) { + return parse(s, [sqlYmdWithTimeExtensionRegex, extractISOYmdTimeOffsetAndIANAZone], [sqlTimeCombinedRegex, extractISOTimeOffsetAndIANAZone]); +} + +var INVALID$2 = "Invalid Duration"; // unit conversion constants + +var lowOrderMatrix = { + weeks: { + days: 7, + hours: 7 * 24, + minutes: 7 * 24 * 60, + seconds: 7 * 24 * 60 * 60, + milliseconds: 7 * 24 * 60 * 60 * 1000 + }, + days: { + hours: 24, + minutes: 24 * 60, + seconds: 24 * 60 * 60, + milliseconds: 24 * 60 * 60 * 1000 + }, + hours: { + minutes: 60, + seconds: 60 * 60, + milliseconds: 60 * 60 * 1000 + }, + minutes: { + seconds: 60, + milliseconds: 60 * 1000 + }, + seconds: { + milliseconds: 1000 + } +}, + casualMatrix = _extends({ + years: { + quarters: 4, + months: 12, + weeks: 52, + days: 365, + hours: 365 * 24, + minutes: 365 * 24 * 60, + seconds: 365 * 24 * 60 * 60, + milliseconds: 365 * 24 * 60 * 60 * 1000 + }, + quarters: { + months: 3, + weeks: 13, + days: 91, + hours: 91 * 24, + minutes: 91 * 24 * 60, + seconds: 91 * 24 * 60 * 60, + milliseconds: 91 * 24 * 60 * 60 * 1000 + }, + months: { + weeks: 4, + days: 30, + hours: 30 * 24, + minutes: 30 * 24 * 60, + seconds: 30 * 24 * 60 * 60, + milliseconds: 30 * 24 * 60 * 60 * 1000 + } +}, lowOrderMatrix), + daysInYearAccurate = 146097.0 / 400, + daysInMonthAccurate = 146097.0 / 4800, + accurateMatrix = _extends({ + years: { + quarters: 4, + months: 12, + weeks: daysInYearAccurate / 7, + days: daysInYearAccurate, + hours: daysInYearAccurate * 24, + minutes: daysInYearAccurate * 24 * 60, + seconds: daysInYearAccurate * 24 * 60 * 60, + milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000 + }, + quarters: { + months: 3, + weeks: daysInYearAccurate / 28, + days: daysInYearAccurate / 4, + hours: daysInYearAccurate * 24 / 4, + minutes: daysInYearAccurate * 24 * 60 / 4, + seconds: daysInYearAccurate * 24 * 60 * 60 / 4, + milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000 / 4 + }, + months: { + weeks: daysInMonthAccurate / 7, + days: daysInMonthAccurate, + hours: daysInMonthAccurate * 24, + minutes: daysInMonthAccurate * 24 * 60, + seconds: daysInMonthAccurate * 24 * 60 * 60, + milliseconds: daysInMonthAccurate * 24 * 60 * 60 * 1000 + } +}, lowOrderMatrix); // units ordered by size + +var orderedUnits$1 = ["years", "quarters", "months", "weeks", "days", "hours", "minutes", "seconds", "milliseconds"]; +var reverseUnits = orderedUnits$1.slice(0).reverse(); // clone really means "create another instance just like this one, but with these changes" + +function clone$1(dur, alts, clear) { + if (clear === void 0) { + clear = false; + } + + // deep merge for vals + var conf = { + values: clear ? alts.values : _extends({}, dur.values, alts.values || {}), + loc: dur.loc.clone(alts.loc), + conversionAccuracy: alts.conversionAccuracy || dur.conversionAccuracy + }; + return new Duration(conf); +} + +function antiTrunc(n) { + return n < 0 ? Math.floor(n) : Math.ceil(n); +} // NB: mutates parameters + + +function convert(matrix, fromMap, fromUnit, toMap, toUnit) { + var conv = matrix[toUnit][fromUnit], + raw = fromMap[fromUnit] / conv, + sameSign = Math.sign(raw) === Math.sign(toMap[toUnit]), + // ok, so this is wild, but see the matrix in the tests + added = !sameSign && toMap[toUnit] !== 0 && Math.abs(raw) <= 1 ? antiTrunc(raw) : Math.trunc(raw); + toMap[toUnit] += added; + fromMap[fromUnit] -= added * conv; +} // NB: mutates parameters + + +function normalizeValues(matrix, vals) { + reverseUnits.reduce(function (previous, current) { + if (!isUndefined(vals[current])) { + if (previous) { + convert(matrix, vals, previous, vals, current); + } + + return current; + } else { + return previous; + } + }, null); +} +/** + * A Duration object represents a period of time, like "2 months" or "1 day, 1 hour". Conceptually, it's just a map of units to their quantities, accompanied by some additional configuration and methods for creating, parsing, interrogating, transforming, and formatting them. They can be used on their own or in conjunction with other Luxon types; for example, you can use {@link DateTime#plus} to add a Duration object to a DateTime, producing another DateTime. + * + * Here is a brief overview of commonly used methods and getters in Duration: + * + * * **Creation** To create a Duration, use {@link Duration#fromMillis}, {@link Duration#fromObject}, or {@link Duration#fromISO}. + * * **Unit values** See the {@link Duration#years}, {@link Duration.months}, {@link Duration#weeks}, {@link Duration#days}, {@link Duration#hours}, {@link Duration#minutes}, {@link Duration#seconds}, {@link Duration#milliseconds} accessors. + * * **Configuration** See {@link Duration#locale} and {@link Duration#numberingSystem} accessors. + * * **Transformation** To create new Durations out of old ones use {@link Duration#plus}, {@link Duration#minus}, {@link Duration#normalize}, {@link Duration#set}, {@link Duration#reconfigure}, {@link Duration#shiftTo}, and {@link Duration#negate}. + * * **Output** To convert the Duration into other representations, see {@link Duration#as}, {@link Duration#toISO}, {@link Duration#toFormat}, and {@link Duration#toJSON} + * + * There's are more methods documented below. In addition, for more information on subtler topics like internationalization and validity, see the external documentation. + */ + + +var Duration = /*#__PURE__*/function () { + /** + * @private + */ + function Duration(config) { + var accurate = config.conversionAccuracy === "longterm" || false; + /** + * @access private + */ + + this.values = config.values; + /** + * @access private + */ + + this.loc = config.loc || Locale.create(); + /** + * @access private + */ + + this.conversionAccuracy = accurate ? "longterm" : "casual"; + /** + * @access private + */ + + this.invalid = config.invalid || null; + /** + * @access private + */ + + this.matrix = accurate ? accurateMatrix : casualMatrix; + /** + * @access private + */ + + this.isLuxonDuration = true; + } + /** + * Create Duration from a number of milliseconds. + * @param {number} count of milliseconds + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + + + Duration.fromMillis = function fromMillis(count, opts) { + return Duration.fromObject({ + milliseconds: count + }, opts); + } + /** + * Create a Duration from a JavaScript object with keys like 'years' and 'hours'. + * If this object is empty then a zero milliseconds duration is returned. + * @param {Object} obj - the object to create the DateTime from + * @param {number} obj.years + * @param {number} obj.quarters + * @param {number} obj.months + * @param {number} obj.weeks + * @param {number} obj.days + * @param {number} obj.hours + * @param {number} obj.minutes + * @param {number} obj.seconds + * @param {number} obj.milliseconds + * @param {Object} [opts=[]] - options for creating this Duration + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + ; + + Duration.fromObject = function fromObject(obj, opts) { + if (opts === void 0) { + opts = {}; + } + + if (obj == null || typeof obj !== "object") { + throw new InvalidArgumentError("Duration.fromObject: argument expected to be an object, got " + (obj === null ? "null" : typeof obj)); + } + + return new Duration({ + values: normalizeObject(obj, Duration.normalizeUnit), + loc: Locale.fromObject(opts), + conversionAccuracy: opts.conversionAccuracy + }); + } + /** + * Create a Duration from DurationLike. + * + * @param {Object | number | Duration} durationLike + * One of: + * - object with keys like 'years' and 'hours'. + * - number representing milliseconds + * - Duration instance + * @return {Duration} + */ + ; + + Duration.fromDurationLike = function fromDurationLike(durationLike) { + if (isNumber(durationLike)) { + return Duration.fromMillis(durationLike); + } else if (Duration.isDuration(durationLike)) { + return durationLike; + } else if (typeof durationLike === "object") { + return Duration.fromObject(durationLike); + } else { + throw new InvalidArgumentError("Unknown duration argument " + durationLike + " of type " + typeof durationLike); + } + } + /** + * Create a Duration from an ISO 8601 duration string. + * @param {string} text - text to parse + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @see https://en.wikipedia.org/wiki/ISO_8601#Durations + * @example Duration.fromISO('P3Y6M1W4DT12H30M5S').toObject() //=> { years: 3, months: 6, weeks: 1, days: 4, hours: 12, minutes: 30, seconds: 5 } + * @example Duration.fromISO('PT23H').toObject() //=> { hours: 23 } + * @example Duration.fromISO('P5Y3M').toObject() //=> { years: 5, months: 3 } + * @return {Duration} + */ + ; + + Duration.fromISO = function fromISO(text, opts) { + var _parseISODuration = parseISODuration(text), + parsed = _parseISODuration[0]; + + if (parsed) { + return Duration.fromObject(parsed, opts); + } else { + return Duration.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + } + /** + * Create a Duration from an ISO 8601 time string. + * @param {string} text - text to parse + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @see https://en.wikipedia.org/wiki/ISO_8601#Times + * @example Duration.fromISOTime('11:22:33.444').toObject() //=> { hours: 11, minutes: 22, seconds: 33, milliseconds: 444 } + * @example Duration.fromISOTime('11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('T11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('T1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @return {Duration} + */ + ; + + Duration.fromISOTime = function fromISOTime(text, opts) { + var _parseISOTimeOnly = parseISOTimeOnly(text), + parsed = _parseISOTimeOnly[0]; + + if (parsed) { + return Duration.fromObject(parsed, opts); + } else { + return Duration.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + } + /** + * Create an invalid Duration. + * @param {string} reason - simple string of why this datetime is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {Duration} + */ + ; + + Duration.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the Duration is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidDurationError(invalid); + } else { + return new Duration({ + invalid: invalid + }); + } + } + /** + * @private + */ + ; + + Duration.normalizeUnit = function normalizeUnit(unit) { + var normalized = { + year: "years", + years: "years", + quarter: "quarters", + quarters: "quarters", + month: "months", + months: "months", + week: "weeks", + weeks: "weeks", + day: "days", + days: "days", + hour: "hours", + hours: "hours", + minute: "minutes", + minutes: "minutes", + second: "seconds", + seconds: "seconds", + millisecond: "milliseconds", + milliseconds: "milliseconds" + }[unit ? unit.toLowerCase() : unit]; + if (!normalized) throw new InvalidUnitError(unit); + return normalized; + } + /** + * Check if an object is a Duration. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + Duration.isDuration = function isDuration(o) { + return o && o.isLuxonDuration || false; + } + /** + * Get the locale of a Duration, such 'en-GB' + * @type {string} + */ + ; + + var _proto = Duration.prototype; + + /** + * Returns a string representation of this Duration formatted according to the specified format string. You may use these tokens: + * * `S` for milliseconds + * * `s` for seconds + * * `m` for minutes + * * `h` for hours + * * `d` for days + * * `M` for months + * * `y` for years + * Notes: + * * Add padding by repeating the token, e.g. "yy" pads the years to two digits, "hhhh" pads the hours out to four digits + * * The duration will be converted to the set of units in the format string using {@link Duration#shiftTo} and the Durations's conversion accuracy setting. + * @param {string} fmt - the format string + * @param {Object} opts - options + * @param {boolean} [opts.floor=true] - floor numerical values + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("y d s") //=> "1 6 2" + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("yy dd sss") //=> "01 06 002" + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("M S") //=> "12 518402000" + * @return {string} + */ + _proto.toFormat = function toFormat(fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + // reverse-compat since 1.2; we always round down now, never up, and we do it by default + var fmtOpts = _extends({}, opts, { + floor: opts.round !== false && opts.floor !== false + }); + + return this.isValid ? Formatter.create(this.loc, fmtOpts).formatDurationFromString(this, fmt) : INVALID$2; + } + /** + * Returns a string representation of a Duration with all units included + * To modify its behavior use the `listStyle` and any Intl.NumberFormat option, though `unitDisplay` is especially relevant. See {@link Intl.NumberFormat}. + * @param opts - On option object to override the formatting. Accepts the same keys as the options parameter of the native `Int.NumberFormat` constructor, as well as `listStyle`. + * @example + * ```js + * var dur = Duration.fromObject({ days: 1, hours: 5, minutes: 6 }) + * dur.toHuman() //=> '1 day, 5 hours, 6 minutes' + * dur.toHuman({ listStyle: "long" }) //=> '1 day, 5 hours, and 6 minutes' + * dur.toHuman({ unitDisplay: "short" }) //=> '1 day, 5 hr, 6 min' + * ``` + */ + ; + + _proto.toHuman = function toHuman(opts) { + var _this = this; + + if (opts === void 0) { + opts = {}; + } + + var l = orderedUnits$1.map(function (unit) { + var val = _this.values[unit]; + + if (isUndefined(val)) { + return null; + } + + return _this.loc.numberFormatter(_extends({ + style: "unit", + unitDisplay: "long" + }, opts, { + unit: unit.slice(0, -1) + })).format(val); + }).filter(function (n) { + return n; + }); + return this.loc.listFormatter(_extends({ + type: "conjunction", + style: opts.listStyle || "narrow" + }, opts)).format(l); + } + /** + * Returns a JavaScript object with this Duration's values. + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toObject() //=> { years: 1, days: 6, seconds: 2 } + * @return {Object} + */ + ; + + _proto.toObject = function toObject() { + if (!this.isValid) return {}; + return _extends({}, this.values); + } + /** + * Returns an ISO 8601-compliant string representation of this Duration. + * @see https://en.wikipedia.org/wiki/ISO_8601#Durations + * @example Duration.fromObject({ years: 3, seconds: 45 }).toISO() //=> 'P3YT45S' + * @example Duration.fromObject({ months: 4, seconds: 45 }).toISO() //=> 'P4MT45S' + * @example Duration.fromObject({ months: 5 }).toISO() //=> 'P5M' + * @example Duration.fromObject({ minutes: 5 }).toISO() //=> 'PT5M' + * @example Duration.fromObject({ milliseconds: 6 }).toISO() //=> 'PT0.006S' + * @return {string} + */ + ; + + _proto.toISO = function toISO() { + // we could use the formatter, but this is an easier way to get the minimum string + if (!this.isValid) return null; + var s = "P"; + if (this.years !== 0) s += this.years + "Y"; + if (this.months !== 0 || this.quarters !== 0) s += this.months + this.quarters * 3 + "M"; + if (this.weeks !== 0) s += this.weeks + "W"; + if (this.days !== 0) s += this.days + "D"; + if (this.hours !== 0 || this.minutes !== 0 || this.seconds !== 0 || this.milliseconds !== 0) s += "T"; + if (this.hours !== 0) s += this.hours + "H"; + if (this.minutes !== 0) s += this.minutes + "M"; + if (this.seconds !== 0 || this.milliseconds !== 0) // this will handle "floating point madness" by removing extra decimal places + // https://stackoverflow.com/questions/588004/is-floating-point-math-broken + s += roundTo(this.seconds + this.milliseconds / 1000, 3) + "S"; + if (s === "P") s += "T0S"; + return s; + } + /** + * Returns an ISO 8601-compliant string representation of this Duration, formatted as a time of day. + * Note that this will return null if the duration is invalid, negative, or equal to or greater than 24 hours. + * @see https://en.wikipedia.org/wiki/ISO_8601#Times + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includePrefix=false] - include the `T` prefix + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example Duration.fromObject({ hours: 11 }).toISOTime() //=> '11:00:00.000' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressMilliseconds: true }) //=> '11:00:00' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressSeconds: true }) //=> '11:00' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ includePrefix: true }) //=> 'T11:00:00.000' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ format: 'basic' }) //=> '110000.000' + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) return null; + var millis = this.toMillis(); + if (millis < 0 || millis >= 86400000) return null; + opts = _extends({ + suppressMilliseconds: false, + suppressSeconds: false, + includePrefix: false, + format: "extended" + }, opts); + var value = this.shiftTo("hours", "minutes", "seconds", "milliseconds"); + var fmt = opts.format === "basic" ? "hhmm" : "hh:mm"; + + if (!opts.suppressSeconds || value.seconds !== 0 || value.milliseconds !== 0) { + fmt += opts.format === "basic" ? "ss" : ":ss"; + + if (!opts.suppressMilliseconds || value.milliseconds !== 0) { + fmt += ".SSS"; + } + } + + var str = value.toFormat(fmt); + + if (opts.includePrefix) { + str = "T" + str; + } + + return str; + } + /** + * Returns an ISO 8601 representation of this Duration appropriate for use in JSON. + * @return {string} + */ + ; + + _proto.toJSON = function toJSON() { + return this.toISO(); + } + /** + * Returns an ISO 8601 representation of this Duration appropriate for use in debugging. + * @return {string} + */ + ; + + _proto.toString = function toString() { + return this.toISO(); + } + /** + * Returns an milliseconds value of this Duration. + * @return {number} + */ + ; + + _proto.toMillis = function toMillis() { + return this.as("milliseconds"); + } + /** + * Returns an milliseconds value of this Duration. Alias of {@link toMillis} + * @return {number} + */ + ; + + _proto.valueOf = function valueOf() { + return this.toMillis(); + } + /** + * Make this Duration longer by the specified amount. Return a newly-constructed Duration. + * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @return {Duration} + */ + ; + + _proto.plus = function plus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration), + result = {}; + + for (var _iterator = _createForOfIteratorHelperLoose(orderedUnits$1), _step; !(_step = _iterator()).done;) { + var k = _step.value; + + if (hasOwnProperty(dur.values, k) || hasOwnProperty(this.values, k)) { + result[k] = dur.get(k) + this.get(k); + } + } + + return clone$1(this, { + values: result + }, true); + } + /** + * Make this Duration shorter by the specified amount. Return a newly-constructed Duration. + * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @return {Duration} + */ + ; + + _proto.minus = function minus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration); + return this.plus(dur.negate()); + } + /** + * Scale this Duration by the specified amount. Return a newly-constructed Duration. + * @param {function} fn - The function to apply to each unit. Arity is 1 or 2: the value of the unit and, optionally, the unit name. Must return a number. + * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits(x => x * 2) //=> { hours: 2, minutes: 60 } + * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits((x, u) => u === "hour" ? x * 2 : x) //=> { hours: 2, minutes: 30 } + * @return {Duration} + */ + ; + + _proto.mapUnits = function mapUnits(fn) { + if (!this.isValid) return this; + var result = {}; + + for (var _i = 0, _Object$keys = Object.keys(this.values); _i < _Object$keys.length; _i++) { + var k = _Object$keys[_i]; + result[k] = asNumber(fn(this.values[k], k)); + } + + return clone$1(this, { + values: result + }, true); + } + /** + * Get the value of unit. + * @param {string} unit - a unit such as 'minute' or 'day' + * @example Duration.fromObject({years: 2, days: 3}).get('years') //=> 2 + * @example Duration.fromObject({years: 2, days: 3}).get('months') //=> 0 + * @example Duration.fromObject({years: 2, days: 3}).get('days') //=> 3 + * @return {number} + */ + ; + + _proto.get = function get(unit) { + return this[Duration.normalizeUnit(unit)]; + } + /** + * "Set" the values of specified units. Return a newly-constructed Duration. + * @param {Object} values - a mapping of units to numbers + * @example dur.set({ years: 2017 }) + * @example dur.set({ hours: 8, minutes: 30 }) + * @return {Duration} + */ + ; + + _proto.set = function set(values) { + if (!this.isValid) return this; + + var mixed = _extends({}, this.values, normalizeObject(values, Duration.normalizeUnit)); + + return clone$1(this, { + values: mixed + }); + } + /** + * "Set" the locale and/or numberingSystem. Returns a newly-constructed Duration. + * @example dur.reconfigure({ locale: 'en-GB' }) + * @return {Duration} + */ + ; + + _proto.reconfigure = function reconfigure(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + locale = _ref.locale, + numberingSystem = _ref.numberingSystem, + conversionAccuracy = _ref.conversionAccuracy; + + var loc = this.loc.clone({ + locale: locale, + numberingSystem: numberingSystem + }), + opts = { + loc: loc + }; + + if (conversionAccuracy) { + opts.conversionAccuracy = conversionAccuracy; + } + + return clone$1(this, opts); + } + /** + * Return the length of the duration in the specified unit. + * @param {string} unit - a unit such as 'minutes' or 'days' + * @example Duration.fromObject({years: 1}).as('days') //=> 365 + * @example Duration.fromObject({years: 1}).as('months') //=> 12 + * @example Duration.fromObject({hours: 60}).as('days') //=> 2.5 + * @return {number} + */ + ; + + _proto.as = function as(unit) { + return this.isValid ? this.shiftTo(unit).get(unit) : NaN; + } + /** + * Reduce this Duration to its canonical representation in its current units. + * @example Duration.fromObject({ years: 2, days: 5000 }).normalize().toObject() //=> { years: 15, days: 255 } + * @example Duration.fromObject({ hours: 12, minutes: -45 }).normalize().toObject() //=> { hours: 11, minutes: 15 } + * @return {Duration} + */ + ; + + _proto.normalize = function normalize() { + if (!this.isValid) return this; + var vals = this.toObject(); + normalizeValues(this.matrix, vals); + return clone$1(this, { + values: vals + }, true); + } + /** + * Convert this Duration into its representation in a different set of units. + * @example Duration.fromObject({ hours: 1, seconds: 30 }).shiftTo('minutes', 'milliseconds').toObject() //=> { minutes: 60, milliseconds: 30000 } + * @return {Duration} + */ + ; + + _proto.shiftTo = function shiftTo() { + for (var _len = arguments.length, units = new Array(_len), _key = 0; _key < _len; _key++) { + units[_key] = arguments[_key]; + } + + if (!this.isValid) return this; + + if (units.length === 0) { + return this; + } + + units = units.map(function (u) { + return Duration.normalizeUnit(u); + }); + var built = {}, + accumulated = {}, + vals = this.toObject(); + var lastUnit; + + for (var _iterator2 = _createForOfIteratorHelperLoose(orderedUnits$1), _step2; !(_step2 = _iterator2()).done;) { + var k = _step2.value; + + if (units.indexOf(k) >= 0) { + lastUnit = k; + var own = 0; // anything we haven't boiled down yet should get boiled to this unit + + for (var ak in accumulated) { + own += this.matrix[ak][k] * accumulated[ak]; + accumulated[ak] = 0; + } // plus anything that's already in this unit + + + if (isNumber(vals[k])) { + own += vals[k]; + } + + var i = Math.trunc(own); + built[k] = i; + accumulated[k] = (own * 1000 - i * 1000) / 1000; // plus anything further down the chain that should be rolled up in to this + + for (var down in vals) { + if (orderedUnits$1.indexOf(down) > orderedUnits$1.indexOf(k)) { + convert(this.matrix, vals, down, built, k); + } + } // otherwise, keep it in the wings to boil it later + + } else if (isNumber(vals[k])) { + accumulated[k] = vals[k]; + } + } // anything leftover becomes the decimal for the last unit + // lastUnit must be defined since units is not empty + + + for (var key in accumulated) { + if (accumulated[key] !== 0) { + built[lastUnit] += key === lastUnit ? accumulated[key] : accumulated[key] / this.matrix[lastUnit][key]; + } + } + + return clone$1(this, { + values: built + }, true).normalize(); + } + /** + * Return the negative of this Duration. + * @example Duration.fromObject({ hours: 1, seconds: 30 }).negate().toObject() //=> { hours: -1, seconds: -30 } + * @return {Duration} + */ + ; + + _proto.negate = function negate() { + if (!this.isValid) return this; + var negated = {}; + + for (var _i2 = 0, _Object$keys2 = Object.keys(this.values); _i2 < _Object$keys2.length; _i2++) { + var k = _Object$keys2[_i2]; + negated[k] = this.values[k] === 0 ? 0 : -this.values[k]; + } + + return clone$1(this, { + values: negated + }, true); + } + /** + * Get the years. + * @type {number} + */ + ; + + /** + * Equality check + * Two Durations are equal iff they have the same units and the same values for each unit. + * @param {Duration} other + * @return {boolean} + */ + _proto.equals = function equals(other) { + if (!this.isValid || !other.isValid) { + return false; + } + + if (!this.loc.equals(other.loc)) { + return false; + } + + function eq(v1, v2) { + // Consider 0 and undefined as equal + if (v1 === undefined || v1 === 0) return v2 === undefined || v2 === 0; + return v1 === v2; + } + + for (var _iterator3 = _createForOfIteratorHelperLoose(orderedUnits$1), _step3; !(_step3 = _iterator3()).done;) { + var u = _step3.value; + + if (!eq(this.values[u], other.values[u])) { + return false; + } + } + + return true; + }; + + _createClass(Duration, [{ + key: "locale", + get: function get() { + return this.isValid ? this.loc.locale : null; + } + /** + * Get the numbering system of a Duration, such 'beng'. The numbering system is used when formatting the Duration + * + * @type {string} + */ + + }, { + key: "numberingSystem", + get: function get() { + return this.isValid ? this.loc.numberingSystem : null; + } + }, { + key: "years", + get: function get() { + return this.isValid ? this.values.years || 0 : NaN; + } + /** + * Get the quarters. + * @type {number} + */ + + }, { + key: "quarters", + get: function get() { + return this.isValid ? this.values.quarters || 0 : NaN; + } + /** + * Get the months. + * @type {number} + */ + + }, { + key: "months", + get: function get() { + return this.isValid ? this.values.months || 0 : NaN; + } + /** + * Get the weeks + * @type {number} + */ + + }, { + key: "weeks", + get: function get() { + return this.isValid ? this.values.weeks || 0 : NaN; + } + /** + * Get the days. + * @type {number} + */ + + }, { + key: "days", + get: function get() { + return this.isValid ? this.values.days || 0 : NaN; + } + /** + * Get the hours. + * @type {number} + */ + + }, { + key: "hours", + get: function get() { + return this.isValid ? this.values.hours || 0 : NaN; + } + /** + * Get the minutes. + * @type {number} + */ + + }, { + key: "minutes", + get: function get() { + return this.isValid ? this.values.minutes || 0 : NaN; + } + /** + * Get the seconds. + * @return {number} + */ + + }, { + key: "seconds", + get: function get() { + return this.isValid ? this.values.seconds || 0 : NaN; + } + /** + * Get the milliseconds. + * @return {number} + */ + + }, { + key: "milliseconds", + get: function get() { + return this.isValid ? this.values.milliseconds || 0 : NaN; + } + /** + * Returns whether the Duration is invalid. Invalid durations are returned by diff operations + * on invalid DateTimes or Intervals. + * @return {boolean} + */ + + }, { + key: "isValid", + get: function get() { + return this.invalid === null; + } + /** + * Returns an error code if this Duration became invalid, or null if the Duration is valid + * @return {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this Duration became invalid, or null if the Duration is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + }]); + + return Duration; +}(); + +var INVALID$1 = "Invalid Interval"; // checks if the start is equal to or before the end + +function validateStartEnd(start, end) { + if (!start || !start.isValid) { + return Interval.invalid("missing or invalid start"); + } else if (!end || !end.isValid) { + return Interval.invalid("missing or invalid end"); + } else if (end < start) { + return Interval.invalid("end before start", "The end of an interval must be after its start, but you had start=" + start.toISO() + " and end=" + end.toISO()); + } else { + return null; + } +} +/** + * An Interval object represents a half-open interval of time, where each endpoint is a {@link DateTime}. Conceptually, it's a container for those two endpoints, accompanied by methods for creating, parsing, interrogating, comparing, transforming, and formatting them. + * + * Here is a brief overview of the most commonly used methods and getters in Interval: + * + * * **Creation** To create an Interval, use {@link Interval#fromDateTimes}, {@link Interval#after}, {@link Interval#before}, or {@link Interval#fromISO}. + * * **Accessors** Use {@link Interval#start} and {@link Interval#end} to get the start and end. + * * **Interrogation** To analyze the Interval, use {@link Interval#count}, {@link Interval#length}, {@link Interval#hasSame}, {@link Interval#contains}, {@link Interval#isAfter}, or {@link Interval#isBefore}. + * * **Transformation** To create other Intervals out of this one, use {@link Interval#set}, {@link Interval#splitAt}, {@link Interval#splitBy}, {@link Interval#divideEqually}, {@link Interval#merge}, {@link Interval#xor}, {@link Interval#union}, {@link Interval#intersection}, or {@link Interval#difference}. + * * **Comparison** To compare this Interval to another one, use {@link Interval#equals}, {@link Interval#overlaps}, {@link Interval#abutsStart}, {@link Interval#abutsEnd}, {@link Interval#engulfs} + * * **Output** To convert the Interval into other representations, see {@link Interval#toString}, {@link Interval#toISO}, {@link Interval#toISODate}, {@link Interval#toISOTime}, {@link Interval#toFormat}, and {@link Interval#toDuration}. + */ + + +var Interval = /*#__PURE__*/function () { + /** + * @private + */ + function Interval(config) { + /** + * @access private + */ + this.s = config.start; + /** + * @access private + */ + + this.e = config.end; + /** + * @access private + */ + + this.invalid = config.invalid || null; + /** + * @access private + */ + + this.isLuxonInterval = true; + } + /** + * Create an invalid Interval. + * @param {string} reason - simple string of why this Interval is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {Interval} + */ + + + Interval.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the Interval is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidIntervalError(invalid); + } else { + return new Interval({ + invalid: invalid + }); + } + } + /** + * Create an Interval from a start DateTime and an end DateTime. Inclusive of the start but not the end. + * @param {DateTime|Date|Object} start + * @param {DateTime|Date|Object} end + * @return {Interval} + */ + ; + + Interval.fromDateTimes = function fromDateTimes(start, end) { + var builtStart = friendlyDateTime(start), + builtEnd = friendlyDateTime(end); + var validateError = validateStartEnd(builtStart, builtEnd); + + if (validateError == null) { + return new Interval({ + start: builtStart, + end: builtEnd + }); + } else { + return validateError; + } + } + /** + * Create an Interval from a start DateTime and a Duration to extend to. + * @param {DateTime|Date|Object} start + * @param {Duration|Object|number} duration - the length of the Interval. + * @return {Interval} + */ + ; + + Interval.after = function after(start, duration) { + var dur = Duration.fromDurationLike(duration), + dt = friendlyDateTime(start); + return Interval.fromDateTimes(dt, dt.plus(dur)); + } + /** + * Create an Interval from an end DateTime and a Duration to extend backwards to. + * @param {DateTime|Date|Object} end + * @param {Duration|Object|number} duration - the length of the Interval. + * @return {Interval} + */ + ; + + Interval.before = function before(end, duration) { + var dur = Duration.fromDurationLike(duration), + dt = friendlyDateTime(end); + return Interval.fromDateTimes(dt.minus(dur), dt); + } + /** + * Create an Interval from an ISO 8601 string. + * Accepts `/`, `/`, and `/` formats. + * @param {string} text - the ISO string to parse + * @param {Object} [opts] - options to pass {@link DateTime#fromISO} and optionally {@link Duration#fromISO} + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @return {Interval} + */ + ; + + Interval.fromISO = function fromISO(text, opts) { + var _split = (text || "").split("/", 2), + s = _split[0], + e = _split[1]; + + if (s && e) { + var start, startIsValid; + + try { + start = DateTime.fromISO(s, opts); + startIsValid = start.isValid; + } catch (e) { + startIsValid = false; + } + + var end, endIsValid; + + try { + end = DateTime.fromISO(e, opts); + endIsValid = end.isValid; + } catch (e) { + endIsValid = false; + } + + if (startIsValid && endIsValid) { + return Interval.fromDateTimes(start, end); + } + + if (startIsValid) { + var dur = Duration.fromISO(e, opts); + + if (dur.isValid) { + return Interval.after(start, dur); + } + } else if (endIsValid) { + var _dur = Duration.fromISO(s, opts); + + if (_dur.isValid) { + return Interval.before(end, _dur); + } + } + } + + return Interval.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + /** + * Check if an object is an Interval. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + Interval.isInterval = function isInterval(o) { + return o && o.isLuxonInterval || false; + } + /** + * Returns the start of the Interval + * @type {DateTime} + */ + ; + + var _proto = Interval.prototype; + + /** + * Returns the length of the Interval in the specified unit. + * @param {string} unit - the unit (such as 'hours' or 'days') to return the length in. + * @return {number} + */ + _proto.length = function length(unit) { + if (unit === void 0) { + unit = "milliseconds"; + } + + return this.isValid ? this.toDuration.apply(this, [unit]).get(unit) : NaN; + } + /** + * Returns the count of minutes, hours, days, months, or years included in the Interval, even in part. + * Unlike {@link Interval#length} this counts sections of the calendar, not periods of time, e.g. specifying 'day' + * asks 'what dates are included in this interval?', not 'how many days long is this interval?' + * @param {string} [unit='milliseconds'] - the unit of time to count. + * @return {number} + */ + ; + + _proto.count = function count(unit) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (!this.isValid) return NaN; + var start = this.start.startOf(unit), + end = this.end.startOf(unit); + return Math.floor(end.diff(start, unit).get(unit)) + 1; + } + /** + * Returns whether this Interval's start and end are both in the same unit of time + * @param {string} unit - the unit of time to check sameness on + * @return {boolean} + */ + ; + + _proto.hasSame = function hasSame(unit) { + return this.isValid ? this.isEmpty() || this.e.minus(1).hasSame(this.s, unit) : false; + } + /** + * Return whether this Interval has the same start and end DateTimes. + * @return {boolean} + */ + ; + + _proto.isEmpty = function isEmpty() { + return this.s.valueOf() === this.e.valueOf(); + } + /** + * Return whether this Interval's start is after the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.isAfter = function isAfter(dateTime) { + if (!this.isValid) return false; + return this.s > dateTime; + } + /** + * Return whether this Interval's end is before the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.isBefore = function isBefore(dateTime) { + if (!this.isValid) return false; + return this.e <= dateTime; + } + /** + * Return whether this Interval contains the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.contains = function contains(dateTime) { + if (!this.isValid) return false; + return this.s <= dateTime && this.e > dateTime; + } + /** + * "Sets" the start and/or end dates. Returns a newly-constructed Interval. + * @param {Object} values - the values to set + * @param {DateTime} values.start - the starting DateTime + * @param {DateTime} values.end - the ending DateTime + * @return {Interval} + */ + ; + + _proto.set = function set(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + start = _ref.start, + end = _ref.end; + + if (!this.isValid) return this; + return Interval.fromDateTimes(start || this.s, end || this.e); + } + /** + * Split this Interval at each of the specified DateTimes + * @param {...DateTime} dateTimes - the unit of time to count. + * @return {Array} + */ + ; + + _proto.splitAt = function splitAt() { + var _this = this; + + if (!this.isValid) return []; + + for (var _len = arguments.length, dateTimes = new Array(_len), _key = 0; _key < _len; _key++) { + dateTimes[_key] = arguments[_key]; + } + + var sorted = dateTimes.map(friendlyDateTime).filter(function (d) { + return _this.contains(d); + }).sort(), + results = []; + var s = this.s, + i = 0; + + while (s < this.e) { + var added = sorted[i] || this.e, + next = +added > +this.e ? this.e : added; + results.push(Interval.fromDateTimes(s, next)); + s = next; + i += 1; + } + + return results; + } + /** + * Split this Interval into smaller Intervals, each of the specified length. + * Left over time is grouped into a smaller interval + * @param {Duration|Object|number} duration - The length of each resulting interval. + * @return {Array} + */ + ; + + _proto.splitBy = function splitBy(duration) { + var dur = Duration.fromDurationLike(duration); + + if (!this.isValid || !dur.isValid || dur.as("milliseconds") === 0) { + return []; + } + + var s = this.s, + idx = 1, + next; + var results = []; + + while (s < this.e) { + var added = this.start.plus(dur.mapUnits(function (x) { + return x * idx; + })); + next = +added > +this.e ? this.e : added; + results.push(Interval.fromDateTimes(s, next)); + s = next; + idx += 1; + } + + return results; + } + /** + * Split this Interval into the specified number of smaller intervals. + * @param {number} numberOfParts - The number of Intervals to divide the Interval into. + * @return {Array} + */ + ; + + _proto.divideEqually = function divideEqually(numberOfParts) { + if (!this.isValid) return []; + return this.splitBy(this.length() / numberOfParts).slice(0, numberOfParts); + } + /** + * Return whether this Interval overlaps with the specified Interval + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.overlaps = function overlaps(other) { + return this.e > other.s && this.s < other.e; + } + /** + * Return whether this Interval's end is adjacent to the specified Interval's start. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.abutsStart = function abutsStart(other) { + if (!this.isValid) return false; + return +this.e === +other.s; + } + /** + * Return whether this Interval's start is adjacent to the specified Interval's end. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.abutsEnd = function abutsEnd(other) { + if (!this.isValid) return false; + return +other.e === +this.s; + } + /** + * Return whether this Interval engulfs the start and end of the specified Interval. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.engulfs = function engulfs(other) { + if (!this.isValid) return false; + return this.s <= other.s && this.e >= other.e; + } + /** + * Return whether this Interval has the same start and end as the specified Interval. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.equals = function equals(other) { + if (!this.isValid || !other.isValid) { + return false; + } + + return this.s.equals(other.s) && this.e.equals(other.e); + } + /** + * Return an Interval representing the intersection of this Interval and the specified Interval. + * Specifically, the resulting Interval has the maximum start time and the minimum end time of the two Intervals. + * Returns null if the intersection is empty, meaning, the intervals don't intersect. + * @param {Interval} other + * @return {Interval} + */ + ; + + _proto.intersection = function intersection(other) { + if (!this.isValid) return this; + var s = this.s > other.s ? this.s : other.s, + e = this.e < other.e ? this.e : other.e; + + if (s >= e) { + return null; + } else { + return Interval.fromDateTimes(s, e); + } + } + /** + * Return an Interval representing the union of this Interval and the specified Interval. + * Specifically, the resulting Interval has the minimum start time and the maximum end time of the two Intervals. + * @param {Interval} other + * @return {Interval} + */ + ; + + _proto.union = function union(other) { + if (!this.isValid) return this; + var s = this.s < other.s ? this.s : other.s, + e = this.e > other.e ? this.e : other.e; + return Interval.fromDateTimes(s, e); + } + /** + * Merge an array of Intervals into a equivalent minimal set of Intervals. + * Combines overlapping and adjacent Intervals. + * @param {Array} intervals + * @return {Array} + */ + ; + + Interval.merge = function merge(intervals) { + var _intervals$sort$reduc = intervals.sort(function (a, b) { + return a.s - b.s; + }).reduce(function (_ref2, item) { + var sofar = _ref2[0], + current = _ref2[1]; + + if (!current) { + return [sofar, item]; + } else if (current.overlaps(item) || current.abutsStart(item)) { + return [sofar, current.union(item)]; + } else { + return [sofar.concat([current]), item]; + } + }, [[], null]), + found = _intervals$sort$reduc[0], + final = _intervals$sort$reduc[1]; + + if (final) { + found.push(final); + } + + return found; + } + /** + * Return an array of Intervals representing the spans of time that only appear in one of the specified Intervals. + * @param {Array} intervals + * @return {Array} + */ + ; + + Interval.xor = function xor(intervals) { + var _Array$prototype; + + var start = null, + currentCount = 0; + + var results = [], + ends = intervals.map(function (i) { + return [{ + time: i.s, + type: "s" + }, { + time: i.e, + type: "e" + }]; + }), + flattened = (_Array$prototype = Array.prototype).concat.apply(_Array$prototype, ends), + arr = flattened.sort(function (a, b) { + return a.time - b.time; + }); + + for (var _iterator = _createForOfIteratorHelperLoose(arr), _step; !(_step = _iterator()).done;) { + var i = _step.value; + currentCount += i.type === "s" ? 1 : -1; + + if (currentCount === 1) { + start = i.time; + } else { + if (start && +start !== +i.time) { + results.push(Interval.fromDateTimes(start, i.time)); + } + + start = null; + } + } + + return Interval.merge(results); + } + /** + * Return an Interval representing the span of time in this Interval that doesn't overlap with any of the specified Intervals. + * @param {...Interval} intervals + * @return {Array} + */ + ; + + _proto.difference = function difference() { + var _this2 = this; + + for (var _len2 = arguments.length, intervals = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + intervals[_key2] = arguments[_key2]; + } + + return Interval.xor([this].concat(intervals)).map(function (i) { + return _this2.intersection(i); + }).filter(function (i) { + return i && !i.isEmpty(); + }); + } + /** + * Returns a string representation of this Interval appropriate for debugging. + * @return {string} + */ + ; + + _proto.toString = function toString() { + if (!this.isValid) return INVALID$1; + return "[" + this.s.toISO() + " \u2013 " + this.e.toISO() + ")"; + } + /** + * Returns an ISO 8601-compliant string representation of this Interval. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @param {Object} opts - The same options as {@link DateTime#toISO} + * @return {string} + */ + ; + + _proto.toISO = function toISO(opts) { + if (!this.isValid) return INVALID$1; + return this.s.toISO(opts) + "/" + this.e.toISO(opts); + } + /** + * Returns an ISO 8601-compliant string representation of date of this Interval. + * The time components are ignored. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @return {string} + */ + ; + + _proto.toISODate = function toISODate() { + if (!this.isValid) return INVALID$1; + return this.s.toISODate() + "/" + this.e.toISODate(); + } + /** + * Returns an ISO 8601-compliant string representation of time of this Interval. + * The date components are ignored. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @param {Object} opts - The same options as {@link DateTime#toISO} + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(opts) { + if (!this.isValid) return INVALID$1; + return this.s.toISOTime(opts) + "/" + this.e.toISOTime(opts); + } + /** + * Returns a string representation of this Interval formatted according to the specified format string. + * @param {string} dateFormat - the format string. This string formats the start and end time. See {@link DateTime#toFormat} for details. + * @param {Object} opts - options + * @param {string} [opts.separator = ' – '] - a separator to place between the start and end representations + * @return {string} + */ + ; + + _proto.toFormat = function toFormat(dateFormat, _temp2) { + var _ref3 = _temp2 === void 0 ? {} : _temp2, + _ref3$separator = _ref3.separator, + separator = _ref3$separator === void 0 ? " – " : _ref3$separator; + + if (!this.isValid) return INVALID$1; + return "" + this.s.toFormat(dateFormat) + separator + this.e.toFormat(dateFormat); + } + /** + * Return a Duration representing the time spanned by this interval. + * @param {string|string[]} [unit=['milliseconds']] - the unit or units (such as 'hours' or 'days') to include in the duration. + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @example Interval.fromDateTimes(dt1, dt2).toDuration().toObject() //=> { milliseconds: 88489257 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration('days').toObject() //=> { days: 1.0241812152777778 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes']).toObject() //=> { hours: 24, minutes: 34.82095 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes', 'seconds']).toObject() //=> { hours: 24, minutes: 34, seconds: 49.257 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration('seconds').toObject() //=> { seconds: 88489.257 } + * @return {Duration} + */ + ; + + _proto.toDuration = function toDuration(unit, opts) { + if (!this.isValid) { + return Duration.invalid(this.invalidReason); + } + + return this.e.diff(this.s, unit, opts); + } + /** + * Run mapFn on the interval start and end, returning a new Interval from the resulting DateTimes + * @param {function} mapFn + * @return {Interval} + * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.toUTC()) + * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.plus({ hours: 2 })) + */ + ; + + _proto.mapEndpoints = function mapEndpoints(mapFn) { + return Interval.fromDateTimes(mapFn(this.s), mapFn(this.e)); + }; + + _createClass(Interval, [{ + key: "start", + get: function get() { + return this.isValid ? this.s : null; + } + /** + * Returns the end of the Interval + * @type {DateTime} + */ + + }, { + key: "end", + get: function get() { + return this.isValid ? this.e : null; + } + /** + * Returns whether this Interval's end is at least its start, meaning that the Interval isn't 'backwards'. + * @type {boolean} + */ + + }, { + key: "isValid", + get: function get() { + return this.invalidReason === null; + } + /** + * Returns an error code if this Interval is invalid, or null if the Interval is valid + * @type {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this Interval became invalid, or null if the Interval is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + }]); + + return Interval; +}(); + +/** + * The Info class contains static methods for retrieving general time and date related data. For example, it has methods for finding out if a time zone has a DST, for listing the months in any supported locale, and for discovering which of Luxon features are available in the current environment. + */ + +var Info = /*#__PURE__*/function () { + function Info() {} + + /** + * Return whether the specified zone contains a DST. + * @param {string|Zone} [zone='local'] - Zone to check. Defaults to the environment's local zone. + * @return {boolean} + */ + Info.hasDST = function hasDST(zone) { + if (zone === void 0) { + zone = Settings.defaultZone; + } + + var proto = DateTime.now().setZone(zone).set({ + month: 12 + }); + return !zone.isUniversal && proto.offset !== proto.set({ + month: 6 + }).offset; + } + /** + * Return whether the specified zone is a valid IANA specifier. + * @param {string} zone - Zone to check + * @return {boolean} + */ + ; + + Info.isValidIANAZone = function isValidIANAZone(zone) { + return IANAZone.isValidZone(zone); + } + /** + * Converts the input into a {@link Zone} instance. + * + * * If `input` is already a Zone instance, it is returned unchanged. + * * If `input` is a string containing a valid time zone name, a Zone instance + * with that name is returned. + * * If `input` is a string that doesn't refer to a known time zone, a Zone + * instance with {@link Zone#isValid} == false is returned. + * * If `input is a number, a Zone instance with the specified fixed offset + * in minutes is returned. + * * If `input` is `null` or `undefined`, the default zone is returned. + * @param {string|Zone|number} [input] - the value to be converted + * @return {Zone} + */ + ; + + Info.normalizeZone = function normalizeZone$1(input) { + return normalizeZone(input, Settings.defaultZone); + } + /** + * Return an array of standalone month names. + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param {string} [length='long'] - the length of the month representation, such as "numeric", "2-digit", "narrow", "short", "long" + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @param {string} [opts.outputCalendar='gregory'] - the calendar + * @example Info.months()[0] //=> 'January' + * @example Info.months('short')[0] //=> 'Jan' + * @example Info.months('numeric')[0] //=> '1' + * @example Info.months('short', { locale: 'fr-CA' } )[0] //=> 'janv.' + * @example Info.months('numeric', { locale: 'ar' })[0] //=> '١' + * @example Info.months('long', { outputCalendar: 'islamic' })[0] //=> 'Rabiʻ I' + * @return {Array} + */ + ; + + Info.months = function months(length, _temp) { + if (length === void 0) { + length = "long"; + } + + var _ref = _temp === void 0 ? {} : _temp, + _ref$locale = _ref.locale, + locale = _ref$locale === void 0 ? null : _ref$locale, + _ref$numberingSystem = _ref.numberingSystem, + numberingSystem = _ref$numberingSystem === void 0 ? null : _ref$numberingSystem, + _ref$locObj = _ref.locObj, + locObj = _ref$locObj === void 0 ? null : _ref$locObj, + _ref$outputCalendar = _ref.outputCalendar, + outputCalendar = _ref$outputCalendar === void 0 ? "gregory" : _ref$outputCalendar; + + return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length); + } + /** + * Return an array of format month names. + * Format months differ from standalone months in that they're meant to appear next to the day of the month. In some languages, that + * changes the string. + * See {@link Info#months} + * @param {string} [length='long'] - the length of the month representation, such as "numeric", "2-digit", "narrow", "short", "long" + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @param {string} [opts.outputCalendar='gregory'] - the calendar + * @return {Array} + */ + ; + + Info.monthsFormat = function monthsFormat(length, _temp2) { + if (length === void 0) { + length = "long"; + } + + var _ref2 = _temp2 === void 0 ? {} : _temp2, + _ref2$locale = _ref2.locale, + locale = _ref2$locale === void 0 ? null : _ref2$locale, + _ref2$numberingSystem = _ref2.numberingSystem, + numberingSystem = _ref2$numberingSystem === void 0 ? null : _ref2$numberingSystem, + _ref2$locObj = _ref2.locObj, + locObj = _ref2$locObj === void 0 ? null : _ref2$locObj, + _ref2$outputCalendar = _ref2.outputCalendar, + outputCalendar = _ref2$outputCalendar === void 0 ? "gregory" : _ref2$outputCalendar; + + return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length, true); + } + /** + * Return an array of standalone week names. + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param {string} [length='long'] - the length of the weekday representation, such as "narrow", "short", "long". + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @example Info.weekdays()[0] //=> 'Monday' + * @example Info.weekdays('short')[0] //=> 'Mon' + * @example Info.weekdays('short', { locale: 'fr-CA' })[0] //=> 'lun.' + * @example Info.weekdays('short', { locale: 'ar' })[0] //=> 'الاثنين' + * @return {Array} + */ + ; + + Info.weekdays = function weekdays(length, _temp3) { + if (length === void 0) { + length = "long"; + } + + var _ref3 = _temp3 === void 0 ? {} : _temp3, + _ref3$locale = _ref3.locale, + locale = _ref3$locale === void 0 ? null : _ref3$locale, + _ref3$numberingSystem = _ref3.numberingSystem, + numberingSystem = _ref3$numberingSystem === void 0 ? null : _ref3$numberingSystem, + _ref3$locObj = _ref3.locObj, + locObj = _ref3$locObj === void 0 ? null : _ref3$locObj; + + return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length); + } + /** + * Return an array of format week names. + * Format weekdays differ from standalone weekdays in that they're meant to appear next to more date information. In some languages, that + * changes the string. + * See {@link Info#weekdays} + * @param {string} [length='long'] - the length of the month representation, such as "narrow", "short", "long". + * @param {Object} opts - options + * @param {string} [opts.locale=null] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @return {Array} + */ + ; + + Info.weekdaysFormat = function weekdaysFormat(length, _temp4) { + if (length === void 0) { + length = "long"; + } + + var _ref4 = _temp4 === void 0 ? {} : _temp4, + _ref4$locale = _ref4.locale, + locale = _ref4$locale === void 0 ? null : _ref4$locale, + _ref4$numberingSystem = _ref4.numberingSystem, + numberingSystem = _ref4$numberingSystem === void 0 ? null : _ref4$numberingSystem, + _ref4$locObj = _ref4.locObj, + locObj = _ref4$locObj === void 0 ? null : _ref4$locObj; + + return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length, true); + } + /** + * Return an array of meridiems. + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @example Info.meridiems() //=> [ 'AM', 'PM' ] + * @example Info.meridiems({ locale: 'my' }) //=> [ 'နံနက်', 'ညနေ' ] + * @return {Array} + */ + ; + + Info.meridiems = function meridiems(_temp5) { + var _ref5 = _temp5 === void 0 ? {} : _temp5, + _ref5$locale = _ref5.locale, + locale = _ref5$locale === void 0 ? null : _ref5$locale; + + return Locale.create(locale).meridiems(); + } + /** + * Return an array of eras, such as ['BC', 'AD']. The locale can be specified, but the calendar system is always Gregorian. + * @param {string} [length='short'] - the length of the era representation, such as "short" or "long". + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @example Info.eras() //=> [ 'BC', 'AD' ] + * @example Info.eras('long') //=> [ 'Before Christ', 'Anno Domini' ] + * @example Info.eras('long', { locale: 'fr' }) //=> [ 'avant Jésus-Christ', 'après Jésus-Christ' ] + * @return {Array} + */ + ; + + Info.eras = function eras(length, _temp6) { + if (length === void 0) { + length = "short"; + } + + var _ref6 = _temp6 === void 0 ? {} : _temp6, + _ref6$locale = _ref6.locale, + locale = _ref6$locale === void 0 ? null : _ref6$locale; + + return Locale.create(locale, null, "gregory").eras(length); + } + /** + * Return the set of available features in this environment. + * Some features of Luxon are not available in all environments. For example, on older browsers, relative time formatting support is not available. Use this function to figure out if that's the case. + * Keys: + * * `relative`: whether this environment supports relative time formatting + * @example Info.features() //=> { relative: false } + * @return {Object} + */ + ; + + Info.features = function features() { + return { + relative: hasRelative() + }; + }; + + return Info; +}(); + +function dayDiff(earlier, later) { + var utcDayStart = function utcDayStart(dt) { + return dt.toUTC(0, { + keepLocalTime: true + }).startOf("day").valueOf(); + }, + ms = utcDayStart(later) - utcDayStart(earlier); + + return Math.floor(Duration.fromMillis(ms).as("days")); +} + +function highOrderDiffs(cursor, later, units) { + var differs = [["years", function (a, b) { + return b.year - a.year; + }], ["quarters", function (a, b) { + return b.quarter - a.quarter; + }], ["months", function (a, b) { + return b.month - a.month + (b.year - a.year) * 12; + }], ["weeks", function (a, b) { + var days = dayDiff(a, b); + return (days - days % 7) / 7; + }], ["days", dayDiff]]; + var results = {}; + var lowestOrder, highWater; + + for (var _i = 0, _differs = differs; _i < _differs.length; _i++) { + var _differs$_i = _differs[_i], + unit = _differs$_i[0], + differ = _differs$_i[1]; + + if (units.indexOf(unit) >= 0) { + var _cursor$plus; + + lowestOrder = unit; + var delta = differ(cursor, later); + highWater = cursor.plus((_cursor$plus = {}, _cursor$plus[unit] = delta, _cursor$plus)); + + if (highWater > later) { + var _cursor$plus2; + + cursor = cursor.plus((_cursor$plus2 = {}, _cursor$plus2[unit] = delta - 1, _cursor$plus2)); + delta -= 1; + } else { + cursor = highWater; + } + + results[unit] = delta; + } + } + + return [cursor, results, highWater, lowestOrder]; +} + +function _diff (earlier, later, units, opts) { + var _highOrderDiffs = highOrderDiffs(earlier, later, units), + cursor = _highOrderDiffs[0], + results = _highOrderDiffs[1], + highWater = _highOrderDiffs[2], + lowestOrder = _highOrderDiffs[3]; + + var remainingMillis = later - cursor; + var lowerOrderUnits = units.filter(function (u) { + return ["hours", "minutes", "seconds", "milliseconds"].indexOf(u) >= 0; + }); + + if (lowerOrderUnits.length === 0) { + if (highWater < later) { + var _cursor$plus3; + + highWater = cursor.plus((_cursor$plus3 = {}, _cursor$plus3[lowestOrder] = 1, _cursor$plus3)); + } + + if (highWater !== cursor) { + results[lowestOrder] = (results[lowestOrder] || 0) + remainingMillis / (highWater - cursor); + } + } + + var duration = Duration.fromObject(results, opts); + + if (lowerOrderUnits.length > 0) { + var _Duration$fromMillis; + + return (_Duration$fromMillis = Duration.fromMillis(remainingMillis, opts)).shiftTo.apply(_Duration$fromMillis, lowerOrderUnits).plus(duration); + } else { + return duration; + } +} + +var numberingSystems = { + arab: "[\u0660-\u0669]", + arabext: "[\u06F0-\u06F9]", + bali: "[\u1B50-\u1B59]", + beng: "[\u09E6-\u09EF]", + deva: "[\u0966-\u096F]", + fullwide: "[\uFF10-\uFF19]", + gujr: "[\u0AE6-\u0AEF]", + hanidec: "[〇|一|二|三|四|五|六|七|八|九]", + khmr: "[\u17E0-\u17E9]", + knda: "[\u0CE6-\u0CEF]", + laoo: "[\u0ED0-\u0ED9]", + limb: "[\u1946-\u194F]", + mlym: "[\u0D66-\u0D6F]", + mong: "[\u1810-\u1819]", + mymr: "[\u1040-\u1049]", + orya: "[\u0B66-\u0B6F]", + tamldec: "[\u0BE6-\u0BEF]", + telu: "[\u0C66-\u0C6F]", + thai: "[\u0E50-\u0E59]", + tibt: "[\u0F20-\u0F29]", + latn: "\\d" +}; +var numberingSystemsUTF16 = { + arab: [1632, 1641], + arabext: [1776, 1785], + bali: [6992, 7001], + beng: [2534, 2543], + deva: [2406, 2415], + fullwide: [65296, 65303], + gujr: [2790, 2799], + khmr: [6112, 6121], + knda: [3302, 3311], + laoo: [3792, 3801], + limb: [6470, 6479], + mlym: [3430, 3439], + mong: [6160, 6169], + mymr: [4160, 4169], + orya: [2918, 2927], + tamldec: [3046, 3055], + telu: [3174, 3183], + thai: [3664, 3673], + tibt: [3872, 3881] +}; +var hanidecChars = numberingSystems.hanidec.replace(/[\[|\]]/g, "").split(""); +function parseDigits(str) { + var value = parseInt(str, 10); + + if (isNaN(value)) { + value = ""; + + for (var i = 0; i < str.length; i++) { + var code = str.charCodeAt(i); + + if (str[i].search(numberingSystems.hanidec) !== -1) { + value += hanidecChars.indexOf(str[i]); + } else { + for (var key in numberingSystemsUTF16) { + var _numberingSystemsUTF = numberingSystemsUTF16[key], + min = _numberingSystemsUTF[0], + max = _numberingSystemsUTF[1]; + + if (code >= min && code <= max) { + value += code - min; + } + } + } + } + + return parseInt(value, 10); + } else { + return value; + } +} +function digitRegex(_ref, append) { + var numberingSystem = _ref.numberingSystem; + + if (append === void 0) { + append = ""; + } + + return new RegExp("" + numberingSystems[numberingSystem || "latn"] + append); +} + +var MISSING_FTP = "missing Intl.DateTimeFormat.formatToParts support"; + +function intUnit(regex, post) { + if (post === void 0) { + post = function post(i) { + return i; + }; + } + + return { + regex: regex, + deser: function deser(_ref) { + var s = _ref[0]; + return post(parseDigits(s)); + } + }; +} + +var NBSP = String.fromCharCode(160); +var spaceOrNBSP = "( |" + NBSP + ")"; +var spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, "g"); + +function fixListRegex(s) { + // make dots optional and also make them literal + // make space and non breakable space characters interchangeable + return s.replace(/\./g, "\\.?").replace(spaceOrNBSPRegExp, spaceOrNBSP); +} + +function stripInsensitivities(s) { + return s.replace(/\./g, "") // ignore dots that were made optional + .replace(spaceOrNBSPRegExp, " ") // interchange space and nbsp + .toLowerCase(); +} + +function oneOf(strings, startIndex) { + if (strings === null) { + return null; + } else { + return { + regex: RegExp(strings.map(fixListRegex).join("|")), + deser: function deser(_ref2) { + var s = _ref2[0]; + return strings.findIndex(function (i) { + return stripInsensitivities(s) === stripInsensitivities(i); + }) + startIndex; + } + }; + } +} + +function offset(regex, groups) { + return { + regex: regex, + deser: function deser(_ref3) { + var h = _ref3[1], + m = _ref3[2]; + return signedOffset(h, m); + }, + groups: groups + }; +} + +function simple(regex) { + return { + regex: regex, + deser: function deser(_ref4) { + var s = _ref4[0]; + return s; + } + }; +} + +function escapeToken(value) { + return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&"); +} + +function unitForToken(token, loc) { + var one = digitRegex(loc), + two = digitRegex(loc, "{2}"), + three = digitRegex(loc, "{3}"), + four = digitRegex(loc, "{4}"), + six = digitRegex(loc, "{6}"), + oneOrTwo = digitRegex(loc, "{1,2}"), + oneToThree = digitRegex(loc, "{1,3}"), + oneToSix = digitRegex(loc, "{1,6}"), + oneToNine = digitRegex(loc, "{1,9}"), + twoToFour = digitRegex(loc, "{2,4}"), + fourToSix = digitRegex(loc, "{4,6}"), + literal = function literal(t) { + return { + regex: RegExp(escapeToken(t.val)), + deser: function deser(_ref5) { + var s = _ref5[0]; + return s; + }, + literal: true + }; + }, + unitate = function unitate(t) { + if (token.literal) { + return literal(t); + } + + switch (t.val) { + // era + case "G": + return oneOf(loc.eras("short", false), 0); + + case "GG": + return oneOf(loc.eras("long", false), 0); + // years + + case "y": + return intUnit(oneToSix); + + case "yy": + return intUnit(twoToFour, untruncateYear); + + case "yyyy": + return intUnit(four); + + case "yyyyy": + return intUnit(fourToSix); + + case "yyyyyy": + return intUnit(six); + // months + + case "M": + return intUnit(oneOrTwo); + + case "MM": + return intUnit(two); + + case "MMM": + return oneOf(loc.months("short", true, false), 1); + + case "MMMM": + return oneOf(loc.months("long", true, false), 1); + + case "L": + return intUnit(oneOrTwo); + + case "LL": + return intUnit(two); + + case "LLL": + return oneOf(loc.months("short", false, false), 1); + + case "LLLL": + return oneOf(loc.months("long", false, false), 1); + // dates + + case "d": + return intUnit(oneOrTwo); + + case "dd": + return intUnit(two); + // ordinals + + case "o": + return intUnit(oneToThree); + + case "ooo": + return intUnit(three); + // time + + case "HH": + return intUnit(two); + + case "H": + return intUnit(oneOrTwo); + + case "hh": + return intUnit(two); + + case "h": + return intUnit(oneOrTwo); + + case "mm": + return intUnit(two); + + case "m": + return intUnit(oneOrTwo); + + case "q": + return intUnit(oneOrTwo); + + case "qq": + return intUnit(two); + + case "s": + return intUnit(oneOrTwo); + + case "ss": + return intUnit(two); + + case "S": + return intUnit(oneToThree); + + case "SSS": + return intUnit(three); + + case "u": + return simple(oneToNine); + + case "uu": + return simple(oneOrTwo); + + case "uuu": + return intUnit(one); + // meridiem + + case "a": + return oneOf(loc.meridiems(), 0); + // weekYear (k) + + case "kkkk": + return intUnit(four); + + case "kk": + return intUnit(twoToFour, untruncateYear); + // weekNumber (W) + + case "W": + return intUnit(oneOrTwo); + + case "WW": + return intUnit(two); + // weekdays + + case "E": + case "c": + return intUnit(one); + + case "EEE": + return oneOf(loc.weekdays("short", false, false), 1); + + case "EEEE": + return oneOf(loc.weekdays("long", false, false), 1); + + case "ccc": + return oneOf(loc.weekdays("short", true, false), 1); + + case "cccc": + return oneOf(loc.weekdays("long", true, false), 1); + // offset/zone + + case "Z": + case "ZZ": + return offset(new RegExp("([+-]" + oneOrTwo.source + ")(?::(" + two.source + "))?"), 2); + + case "ZZZ": + return offset(new RegExp("([+-]" + oneOrTwo.source + ")(" + two.source + ")?"), 2); + // we don't support ZZZZ (PST) or ZZZZZ (Pacific Standard Time) in parsing + // because we don't have any way to figure out what they are + + case "z": + return simple(/[a-z_+-/]{1,256}?/i); + + default: + return literal(t); + } + }; + + var unit = unitate(token) || { + invalidReason: MISSING_FTP + }; + unit.token = token; + return unit; +} + +var partTypeStyleToTokenVal = { + year: { + "2-digit": "yy", + numeric: "yyyyy" + }, + month: { + numeric: "M", + "2-digit": "MM", + short: "MMM", + long: "MMMM" + }, + day: { + numeric: "d", + "2-digit": "dd" + }, + weekday: { + short: "EEE", + long: "EEEE" + }, + dayperiod: "a", + dayPeriod: "a", + hour: { + numeric: "h", + "2-digit": "hh" + }, + minute: { + numeric: "m", + "2-digit": "mm" + }, + second: { + numeric: "s", + "2-digit": "ss" + } +}; + +function tokenForPart(part, locale, formatOpts) { + var type = part.type, + value = part.value; + + if (type === "literal") { + return { + literal: true, + val: value + }; + } + + var style = formatOpts[type]; + var val = partTypeStyleToTokenVal[type]; + + if (typeof val === "object") { + val = val[style]; + } + + if (val) { + return { + literal: false, + val: val + }; + } + + return undefined; +} + +function buildRegex(units) { + var re = units.map(function (u) { + return u.regex; + }).reduce(function (f, r) { + return f + "(" + r.source + ")"; + }, ""); + return ["^" + re + "$", units]; +} + +function match(input, regex, handlers) { + var matches = input.match(regex); + + if (matches) { + var all = {}; + var matchIndex = 1; + + for (var i in handlers) { + if (hasOwnProperty(handlers, i)) { + var h = handlers[i], + groups = h.groups ? h.groups + 1 : 1; + + if (!h.literal && h.token) { + all[h.token.val[0]] = h.deser(matches.slice(matchIndex, matchIndex + groups)); + } + + matchIndex += groups; + } + } + + return [matches, all]; + } else { + return [matches, {}]; + } +} + +function dateTimeFromMatches(matches) { + var toField = function toField(token) { + switch (token) { + case "S": + return "millisecond"; + + case "s": + return "second"; + + case "m": + return "minute"; + + case "h": + case "H": + return "hour"; + + case "d": + return "day"; + + case "o": + return "ordinal"; + + case "L": + case "M": + return "month"; + + case "y": + return "year"; + + case "E": + case "c": + return "weekday"; + + case "W": + return "weekNumber"; + + case "k": + return "weekYear"; + + case "q": + return "quarter"; + + default: + return null; + } + }; + + var zone = null; + var specificOffset; + + if (!isUndefined(matches.z)) { + zone = IANAZone.create(matches.z); + } + + if (!isUndefined(matches.Z)) { + if (!zone) { + zone = new FixedOffsetZone(matches.Z); + } + + specificOffset = matches.Z; + } + + if (!isUndefined(matches.q)) { + matches.M = (matches.q - 1) * 3 + 1; + } + + if (!isUndefined(matches.h)) { + if (matches.h < 12 && matches.a === 1) { + matches.h += 12; + } else if (matches.h === 12 && matches.a === 0) { + matches.h = 0; + } + } + + if (matches.G === 0 && matches.y) { + matches.y = -matches.y; + } + + if (!isUndefined(matches.u)) { + matches.S = parseMillis(matches.u); + } + + var vals = Object.keys(matches).reduce(function (r, k) { + var f = toField(k); + + if (f) { + r[f] = matches[k]; + } + + return r; + }, {}); + return [vals, zone, specificOffset]; +} + +var dummyDateTimeCache = null; + +function getDummyDateTime() { + if (!dummyDateTimeCache) { + dummyDateTimeCache = DateTime.fromMillis(1555555555555); + } + + return dummyDateTimeCache; +} + +function maybeExpandMacroToken(token, locale) { + if (token.literal) { + return token; + } + + var formatOpts = Formatter.macroTokenToFormatOpts(token.val); + + if (!formatOpts) { + return token; + } + + var formatter = Formatter.create(locale, formatOpts); + var parts = formatter.formatDateTimeParts(getDummyDateTime()); + var tokens = parts.map(function (p) { + return tokenForPart(p, locale, formatOpts); + }); + + if (tokens.includes(undefined)) { + return token; + } + + return tokens; +} + +function expandMacroTokens(tokens, locale) { + var _Array$prototype; + + return (_Array$prototype = Array.prototype).concat.apply(_Array$prototype, tokens.map(function (t) { + return maybeExpandMacroToken(t, locale); + })); +} +/** + * @private + */ + + +function explainFromTokens(locale, input, format) { + var tokens = expandMacroTokens(Formatter.parseFormat(format), locale), + units = tokens.map(function (t) { + return unitForToken(t, locale); + }), + disqualifyingUnit = units.find(function (t) { + return t.invalidReason; + }); + + if (disqualifyingUnit) { + return { + input: input, + tokens: tokens, + invalidReason: disqualifyingUnit.invalidReason + }; + } else { + var _buildRegex = buildRegex(units), + regexString = _buildRegex[0], + handlers = _buildRegex[1], + regex = RegExp(regexString, "i"), + _match = match(input, regex, handlers), + rawMatches = _match[0], + matches = _match[1], + _ref6 = matches ? dateTimeFromMatches(matches) : [null, null, undefined], + result = _ref6[0], + zone = _ref6[1], + specificOffset = _ref6[2]; + + if (hasOwnProperty(matches, "a") && hasOwnProperty(matches, "H")) { + throw new ConflictingSpecificationError("Can't include meridiem when specifying 24-hour format"); + } + + return { + input: input, + tokens: tokens, + regex: regex, + rawMatches: rawMatches, + matches: matches, + result: result, + zone: zone, + specificOffset: specificOffset + }; + } +} +function parseFromTokens(locale, input, format) { + var _explainFromTokens = explainFromTokens(locale, input, format), + result = _explainFromTokens.result, + zone = _explainFromTokens.zone, + specificOffset = _explainFromTokens.specificOffset, + invalidReason = _explainFromTokens.invalidReason; + + return [result, zone, specificOffset, invalidReason]; +} + +var nonLeapLadder = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334], + leapLadder = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335]; + +function unitOutOfRange(unit, value) { + return new Invalid("unit out of range", "you specified " + value + " (of type " + typeof value + ") as a " + unit + ", which is invalid"); +} + +function dayOfWeek(year, month, day) { + var js = new Date(Date.UTC(year, month - 1, day)).getUTCDay(); + return js === 0 ? 7 : js; +} + +function computeOrdinal(year, month, day) { + return day + (isLeapYear(year) ? leapLadder : nonLeapLadder)[month - 1]; +} + +function uncomputeOrdinal(year, ordinal) { + var table = isLeapYear(year) ? leapLadder : nonLeapLadder, + month0 = table.findIndex(function (i) { + return i < ordinal; + }), + day = ordinal - table[month0]; + return { + month: month0 + 1, + day: day + }; +} +/** + * @private + */ + + +function gregorianToWeek(gregObj) { + var year = gregObj.year, + month = gregObj.month, + day = gregObj.day, + ordinal = computeOrdinal(year, month, day), + weekday = dayOfWeek(year, month, day); + var weekNumber = Math.floor((ordinal - weekday + 10) / 7), + weekYear; + + if (weekNumber < 1) { + weekYear = year - 1; + weekNumber = weeksInWeekYear(weekYear); + } else if (weekNumber > weeksInWeekYear(year)) { + weekYear = year + 1; + weekNumber = 1; + } else { + weekYear = year; + } + + return _extends({ + weekYear: weekYear, + weekNumber: weekNumber, + weekday: weekday + }, timeObject(gregObj)); +} +function weekToGregorian(weekData) { + var weekYear = weekData.weekYear, + weekNumber = weekData.weekNumber, + weekday = weekData.weekday, + weekdayOfJan4 = dayOfWeek(weekYear, 1, 4), + yearInDays = daysInYear(weekYear); + var ordinal = weekNumber * 7 + weekday - weekdayOfJan4 - 3, + year; + + if (ordinal < 1) { + year = weekYear - 1; + ordinal += daysInYear(year); + } else if (ordinal > yearInDays) { + year = weekYear + 1; + ordinal -= daysInYear(weekYear); + } else { + year = weekYear; + } + + var _uncomputeOrdinal = uncomputeOrdinal(year, ordinal), + month = _uncomputeOrdinal.month, + day = _uncomputeOrdinal.day; + + return _extends({ + year: year, + month: month, + day: day + }, timeObject(weekData)); +} +function gregorianToOrdinal(gregData) { + var year = gregData.year, + month = gregData.month, + day = gregData.day; + var ordinal = computeOrdinal(year, month, day); + return _extends({ + year: year, + ordinal: ordinal + }, timeObject(gregData)); +} +function ordinalToGregorian(ordinalData) { + var year = ordinalData.year, + ordinal = ordinalData.ordinal; + + var _uncomputeOrdinal2 = uncomputeOrdinal(year, ordinal), + month = _uncomputeOrdinal2.month, + day = _uncomputeOrdinal2.day; + + return _extends({ + year: year, + month: month, + day: day + }, timeObject(ordinalData)); +} +function hasInvalidWeekData(obj) { + var validYear = isInteger(obj.weekYear), + validWeek = integerBetween(obj.weekNumber, 1, weeksInWeekYear(obj.weekYear)), + validWeekday = integerBetween(obj.weekday, 1, 7); + + if (!validYear) { + return unitOutOfRange("weekYear", obj.weekYear); + } else if (!validWeek) { + return unitOutOfRange("week", obj.week); + } else if (!validWeekday) { + return unitOutOfRange("weekday", obj.weekday); + } else return false; +} +function hasInvalidOrdinalData(obj) { + var validYear = isInteger(obj.year), + validOrdinal = integerBetween(obj.ordinal, 1, daysInYear(obj.year)); + + if (!validYear) { + return unitOutOfRange("year", obj.year); + } else if (!validOrdinal) { + return unitOutOfRange("ordinal", obj.ordinal); + } else return false; +} +function hasInvalidGregorianData(obj) { + var validYear = isInteger(obj.year), + validMonth = integerBetween(obj.month, 1, 12), + validDay = integerBetween(obj.day, 1, daysInMonth(obj.year, obj.month)); + + if (!validYear) { + return unitOutOfRange("year", obj.year); + } else if (!validMonth) { + return unitOutOfRange("month", obj.month); + } else if (!validDay) { + return unitOutOfRange("day", obj.day); + } else return false; +} +function hasInvalidTimeData(obj) { + var hour = obj.hour, + minute = obj.minute, + second = obj.second, + millisecond = obj.millisecond; + var validHour = integerBetween(hour, 0, 23) || hour === 24 && minute === 0 && second === 0 && millisecond === 0, + validMinute = integerBetween(minute, 0, 59), + validSecond = integerBetween(second, 0, 59), + validMillisecond = integerBetween(millisecond, 0, 999); + + if (!validHour) { + return unitOutOfRange("hour", hour); + } else if (!validMinute) { + return unitOutOfRange("minute", minute); + } else if (!validSecond) { + return unitOutOfRange("second", second); + } else if (!validMillisecond) { + return unitOutOfRange("millisecond", millisecond); + } else return false; +} + +var INVALID = "Invalid DateTime"; +var MAX_DATE = 8.64e15; + +function unsupportedZone(zone) { + return new Invalid("unsupported zone", "the zone \"" + zone.name + "\" is not supported"); +} // we cache week data on the DT object and this intermediates the cache + + +function possiblyCachedWeekData(dt) { + if (dt.weekData === null) { + dt.weekData = gregorianToWeek(dt.c); + } + + return dt.weekData; +} // clone really means, "make a new object with these modifications". all "setters" really use this +// to create a new object while only changing some of the properties + + +function clone(inst, alts) { + var current = { + ts: inst.ts, + zone: inst.zone, + c: inst.c, + o: inst.o, + loc: inst.loc, + invalid: inst.invalid + }; + return new DateTime(_extends({}, current, alts, { + old: current + })); +} // find the right offset a given local time. The o input is our guess, which determines which +// offset we'll pick in ambiguous cases (e.g. there are two 3 AMs b/c Fallback DST) + + +function fixOffset(localTS, o, tz) { + // Our UTC time is just a guess because our offset is just a guess + var utcGuess = localTS - o * 60 * 1000; // Test whether the zone matches the offset for this ts + + var o2 = tz.offset(utcGuess); // If so, offset didn't change and we're done + + if (o === o2) { + return [utcGuess, o]; + } // If not, change the ts by the difference in the offset + + + utcGuess -= (o2 - o) * 60 * 1000; // If that gives us the local time we want, we're done + + var o3 = tz.offset(utcGuess); + + if (o2 === o3) { + return [utcGuess, o2]; + } // If it's different, we're in a hole time. The offset has changed, but the we don't adjust the time + + + return [localTS - Math.min(o2, o3) * 60 * 1000, Math.max(o2, o3)]; +} // convert an epoch timestamp into a calendar object with the given offset + + +function tsToObj(ts, offset) { + ts += offset * 60 * 1000; + var d = new Date(ts); + return { + year: d.getUTCFullYear(), + month: d.getUTCMonth() + 1, + day: d.getUTCDate(), + hour: d.getUTCHours(), + minute: d.getUTCMinutes(), + second: d.getUTCSeconds(), + millisecond: d.getUTCMilliseconds() + }; +} // convert a calendar object to a epoch timestamp + + +function objToTS(obj, offset, zone) { + return fixOffset(objToLocalTS(obj), offset, zone); +} // create a new DT instance by adding a duration, adjusting for DSTs + + +function adjustTime(inst, dur) { + var oPre = inst.o, + year = inst.c.year + Math.trunc(dur.years), + month = inst.c.month + Math.trunc(dur.months) + Math.trunc(dur.quarters) * 3, + c = _extends({}, inst.c, { + year: year, + month: month, + day: Math.min(inst.c.day, daysInMonth(year, month)) + Math.trunc(dur.days) + Math.trunc(dur.weeks) * 7 + }), + millisToAdd = Duration.fromObject({ + years: dur.years - Math.trunc(dur.years), + quarters: dur.quarters - Math.trunc(dur.quarters), + months: dur.months - Math.trunc(dur.months), + weeks: dur.weeks - Math.trunc(dur.weeks), + days: dur.days - Math.trunc(dur.days), + hours: dur.hours, + minutes: dur.minutes, + seconds: dur.seconds, + milliseconds: dur.milliseconds + }).as("milliseconds"), + localTS = objToLocalTS(c); + + var _fixOffset = fixOffset(localTS, oPre, inst.zone), + ts = _fixOffset[0], + o = _fixOffset[1]; + + if (millisToAdd !== 0) { + ts += millisToAdd; // that could have changed the offset by going over a DST, but we want to keep the ts the same + + o = inst.zone.offset(ts); + } + + return { + ts: ts, + o: o + }; +} // helper useful in turning the results of parsing into real dates +// by handling the zone options + + +function parseDataToDateTime(parsed, parsedZone, opts, format, text, specificOffset) { + var setZone = opts.setZone, + zone = opts.zone; + + if (parsed && Object.keys(parsed).length !== 0) { + var interpretationZone = parsedZone || zone, + inst = DateTime.fromObject(parsed, _extends({}, opts, { + zone: interpretationZone, + specificOffset: specificOffset + })); + return setZone ? inst : inst.setZone(zone); + } else { + return DateTime.invalid(new Invalid("unparsable", "the input \"" + text + "\" can't be parsed as " + format)); + } +} // if you want to output a technical format (e.g. RFC 2822), this helper +// helps handle the details + + +function toTechFormat(dt, format, allowZ) { + if (allowZ === void 0) { + allowZ = true; + } + + return dt.isValid ? Formatter.create(Locale.create("en-US"), { + allowZ: allowZ, + forceSimple: true + }).formatDateTimeFromString(dt, format) : null; +} + +function _toISODate(o, extended) { + var longFormat = o.c.year > 9999 || o.c.year < 0; + var c = ""; + if (longFormat && o.c.year >= 0) c += "+"; + c += padStart(o.c.year, longFormat ? 6 : 4); + + if (extended) { + c += "-"; + c += padStart(o.c.month); + c += "-"; + c += padStart(o.c.day); + } else { + c += padStart(o.c.month); + c += padStart(o.c.day); + } + + return c; +} + +function _toISOTime(o, extended, suppressSeconds, suppressMilliseconds, includeOffset) { + var c = padStart(o.c.hour); + + if (extended) { + c += ":"; + c += padStart(o.c.minute); + + if (o.c.second !== 0 || !suppressSeconds) { + c += ":"; + } + } else { + c += padStart(o.c.minute); + } + + if (o.c.second !== 0 || !suppressSeconds) { + c += padStart(o.c.second); + + if (o.c.millisecond !== 0 || !suppressMilliseconds) { + c += "."; + c += padStart(o.c.millisecond, 3); + } + } + + if (includeOffset) { + if (o.isOffsetFixed && o.offset === 0) { + c += "Z"; + } else if (o.o < 0) { + c += "-"; + c += padStart(Math.trunc(-o.o / 60)); + c += ":"; + c += padStart(Math.trunc(-o.o % 60)); + } else { + c += "+"; + c += padStart(Math.trunc(o.o / 60)); + c += ":"; + c += padStart(Math.trunc(o.o % 60)); + } + } + + return c; +} // defaults for unspecified units in the supported calendars + + +var defaultUnitValues = { + month: 1, + day: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 +}, + defaultWeekUnitValues = { + weekNumber: 1, + weekday: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 +}, + defaultOrdinalUnitValues = { + ordinal: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 +}; // Units in the supported calendars, sorted by bigness + +var orderedUnits = ["year", "month", "day", "hour", "minute", "second", "millisecond"], + orderedWeekUnits = ["weekYear", "weekNumber", "weekday", "hour", "minute", "second", "millisecond"], + orderedOrdinalUnits = ["year", "ordinal", "hour", "minute", "second", "millisecond"]; // standardize case and plurality in units + +function normalizeUnit(unit) { + var normalized = { + year: "year", + years: "year", + month: "month", + months: "month", + day: "day", + days: "day", + hour: "hour", + hours: "hour", + minute: "minute", + minutes: "minute", + quarter: "quarter", + quarters: "quarter", + second: "second", + seconds: "second", + millisecond: "millisecond", + milliseconds: "millisecond", + weekday: "weekday", + weekdays: "weekday", + weeknumber: "weekNumber", + weeksnumber: "weekNumber", + weeknumbers: "weekNumber", + weekyear: "weekYear", + weekyears: "weekYear", + ordinal: "ordinal" + }[unit.toLowerCase()]; + if (!normalized) throw new InvalidUnitError(unit); + return normalized; +} // this is a dumbed down version of fromObject() that runs about 60% faster +// but doesn't do any validation, makes a bunch of assumptions about what units +// are present, and so on. +// this is a dumbed down version of fromObject() that runs about 60% faster +// but doesn't do any validation, makes a bunch of assumptions about what units +// are present, and so on. + + +function quickDT(obj, opts) { + var zone = normalizeZone(opts.zone, Settings.defaultZone), + loc = Locale.fromObject(opts), + tsNow = Settings.now(); + var ts, o; // assume we have the higher-order units + + if (!isUndefined(obj.year)) { + for (var _iterator = _createForOfIteratorHelperLoose(orderedUnits), _step; !(_step = _iterator()).done;) { + var u = _step.value; + + if (isUndefined(obj[u])) { + obj[u] = defaultUnitValues[u]; + } + } + + var invalid = hasInvalidGregorianData(obj) || hasInvalidTimeData(obj); + + if (invalid) { + return DateTime.invalid(invalid); + } + + var offsetProvis = zone.offset(tsNow); + + var _objToTS = objToTS(obj, offsetProvis, zone); + + ts = _objToTS[0]; + o = _objToTS[1]; + } else { + ts = tsNow; + } + + return new DateTime({ + ts: ts, + zone: zone, + loc: loc, + o: o + }); +} + +function diffRelative(start, end, opts) { + var round = isUndefined(opts.round) ? true : opts.round, + format = function format(c, unit) { + c = roundTo(c, round || opts.calendary ? 0 : 2, true); + var formatter = end.loc.clone(opts).relFormatter(opts); + return formatter.format(c, unit); + }, + differ = function differ(unit) { + if (opts.calendary) { + if (!end.hasSame(start, unit)) { + return end.startOf(unit).diff(start.startOf(unit), unit).get(unit); + } else return 0; + } else { + return end.diff(start, unit).get(unit); + } + }; + + if (opts.unit) { + return format(differ(opts.unit), opts.unit); + } + + for (var _iterator2 = _createForOfIteratorHelperLoose(opts.units), _step2; !(_step2 = _iterator2()).done;) { + var unit = _step2.value; + var count = differ(unit); + + if (Math.abs(count) >= 1) { + return format(count, unit); + } + } + + return format(start > end ? -0 : 0, opts.units[opts.units.length - 1]); +} + +function lastOpts(argList) { + var opts = {}, + args; + + if (argList.length > 0 && typeof argList[argList.length - 1] === "object") { + opts = argList[argList.length - 1]; + args = Array.from(argList).slice(0, argList.length - 1); + } else { + args = Array.from(argList); + } + + return [opts, args]; +} +/** + * A DateTime is an immutable data structure representing a specific date and time and accompanying methods. It contains class and instance methods for creating, parsing, interrogating, transforming, and formatting them. + * + * A DateTime comprises of: + * * A timestamp. Each DateTime instance refers to a specific millisecond of the Unix epoch. + * * A time zone. Each instance is considered in the context of a specific zone (by default the local system's zone). + * * Configuration properties that effect how output strings are formatted, such as `locale`, `numberingSystem`, and `outputCalendar`. + * + * Here is a brief overview of the most commonly used functionality it provides: + * + * * **Creation**: To create a DateTime from its components, use one of its factory class methods: {@link DateTime#local}, {@link DateTime#utc}, and (most flexibly) {@link DateTime#fromObject}. To create one from a standard string format, use {@link DateTime#fromISO}, {@link DateTime#fromHTTP}, and {@link DateTime#fromRFC2822}. To create one from a custom string format, use {@link DateTime#fromFormat}. To create one from a native JS date, use {@link DateTime#fromJSDate}. + * * **Gregorian calendar and time**: To examine the Gregorian properties of a DateTime individually (i.e as opposed to collectively through {@link DateTime#toObject}), use the {@link DateTime#year}, {@link DateTime#month}, + * {@link DateTime#day}, {@link DateTime#hour}, {@link DateTime#minute}, {@link DateTime#second}, {@link DateTime#millisecond} accessors. + * * **Week calendar**: For ISO week calendar attributes, see the {@link DateTime#weekYear}, {@link DateTime#weekNumber}, and {@link DateTime#weekday} accessors. + * * **Configuration** See the {@link DateTime#locale} and {@link DateTime#numberingSystem} accessors. + * * **Transformation**: To transform the DateTime into other DateTimes, use {@link DateTime#set}, {@link DateTime#reconfigure}, {@link DateTime#setZone}, {@link DateTime#setLocale}, {@link DateTime.plus}, {@link DateTime#minus}, {@link DateTime#endOf}, {@link DateTime#startOf}, {@link DateTime#toUTC}, and {@link DateTime#toLocal}. + * * **Output**: To convert the DateTime to other representations, use the {@link DateTime#toRelative}, {@link DateTime#toRelativeCalendar}, {@link DateTime#toJSON}, {@link DateTime#toISO}, {@link DateTime#toHTTP}, {@link DateTime#toObject}, {@link DateTime#toRFC2822}, {@link DateTime#toString}, {@link DateTime#toLocaleString}, {@link DateTime#toFormat}, {@link DateTime#toMillis} and {@link DateTime#toJSDate}. + * + * There's plenty others documented below. In addition, for more information on subtler topics like internationalization, time zones, alternative calendars, validity, and so on, see the external documentation. + */ + + +var DateTime = /*#__PURE__*/function () { + /** + * @access private + */ + function DateTime(config) { + var zone = config.zone || Settings.defaultZone; + var invalid = config.invalid || (Number.isNaN(config.ts) ? new Invalid("invalid input") : null) || (!zone.isValid ? unsupportedZone(zone) : null); + /** + * @access private + */ + + this.ts = isUndefined(config.ts) ? Settings.now() : config.ts; + var c = null, + o = null; + + if (!invalid) { + var unchanged = config.old && config.old.ts === this.ts && config.old.zone.equals(zone); + + if (unchanged) { + var _ref = [config.old.c, config.old.o]; + c = _ref[0]; + o = _ref[1]; + } else { + var ot = zone.offset(this.ts); + c = tsToObj(this.ts, ot); + invalid = Number.isNaN(c.year) ? new Invalid("invalid input") : null; + c = invalid ? null : c; + o = invalid ? null : ot; + } + } + /** + * @access private + */ + + + this._zone = zone; + /** + * @access private + */ + + this.loc = config.loc || Locale.create(); + /** + * @access private + */ + + this.invalid = invalid; + /** + * @access private + */ + + this.weekData = null; + /** + * @access private + */ + + this.c = c; + /** + * @access private + */ + + this.o = o; + /** + * @access private + */ + + this.isLuxonDateTime = true; + } // CONSTRUCT + + /** + * Create a DateTime for the current instant, in the system's time zone. + * + * Use Settings to override these default values if needed. + * @example DateTime.now().toISO() //~> now in the ISO format + * @return {DateTime} + */ + + + DateTime.now = function now() { + return new DateTime({}); + } + /** + * Create a local DateTime + * @param {number} [year] - The calendar year. If omitted (as in, call `local()` with no arguments), the current time will be used + * @param {number} [month=1] - The month, 1-indexed + * @param {number} [day=1] - The day of the month, 1-indexed + * @param {number} [hour=0] - The hour of the day, in 24-hour time + * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59 + * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59 + * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999 + * @example DateTime.local() //~> now + * @example DateTime.local({ zone: "America/New_York" }) //~> now, in US east coast time + * @example DateTime.local(2017) //~> 2017-01-01T00:00:00 + * @example DateTime.local(2017, 3) //~> 2017-03-01T00:00:00 + * @example DateTime.local(2017, 3, 12, { locale: "fr" }) //~> 2017-03-12T00:00:00, with a French locale + * @example DateTime.local(2017, 3, 12, 5) //~> 2017-03-12T05:00:00 + * @example DateTime.local(2017, 3, 12, 5, { zone: "utc" }) //~> 2017-03-12T05:00:00, in UTC + * @example DateTime.local(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00 + * @example DateTime.local(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10 + * @example DateTime.local(2017, 3, 12, 5, 45, 10, 765) //~> 2017-03-12T05:45:10.765 + * @return {DateTime} + */ + ; + + DateTime.local = function local() { + var _lastOpts = lastOpts(arguments), + opts = _lastOpts[0], + args = _lastOpts[1], + year = args[0], + month = args[1], + day = args[2], + hour = args[3], + minute = args[4], + second = args[5], + millisecond = args[6]; + + return quickDT({ + year: year, + month: month, + day: day, + hour: hour, + minute: minute, + second: second, + millisecond: millisecond + }, opts); + } + /** + * Create a DateTime in UTC + * @param {number} [year] - The calendar year. If omitted (as in, call `utc()` with no arguments), the current time will be used + * @param {number} [month=1] - The month, 1-indexed + * @param {number} [day=1] - The day of the month + * @param {number} [hour=0] - The hour of the day, in 24-hour time + * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59 + * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59 + * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999 + * @param {Object} options - configuration options for the DateTime + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} [options.outputCalendar] - the output calendar to set on the resulting DateTime instance + * @param {string} [options.numberingSystem] - the numbering system to set on the resulting DateTime instance + * @example DateTime.utc() //~> now + * @example DateTime.utc(2017) //~> 2017-01-01T00:00:00Z + * @example DateTime.utc(2017, 3) //~> 2017-03-01T00:00:00Z + * @example DateTime.utc(2017, 3, 12) //~> 2017-03-12T00:00:00Z + * @example DateTime.utc(2017, 3, 12, 5) //~> 2017-03-12T05:00:00Z + * @example DateTime.utc(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00Z + * @example DateTime.utc(2017, 3, 12, 5, 45, { locale: "fr" }) //~> 2017-03-12T05:45:00Z with a French locale + * @example DateTime.utc(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10Z + * @example DateTime.utc(2017, 3, 12, 5, 45, 10, 765, { locale: "fr" }) //~> 2017-03-12T05:45:10.765Z with a French locale + * @return {DateTime} + */ + ; + + DateTime.utc = function utc() { + var _lastOpts2 = lastOpts(arguments), + opts = _lastOpts2[0], + args = _lastOpts2[1], + year = args[0], + month = args[1], + day = args[2], + hour = args[3], + minute = args[4], + second = args[5], + millisecond = args[6]; + + opts.zone = FixedOffsetZone.utcInstance; + return quickDT({ + year: year, + month: month, + day: day, + hour: hour, + minute: minute, + second: second, + millisecond: millisecond + }, opts); + } + /** + * Create a DateTime from a JavaScript Date object. Uses the default zone. + * @param {Date} date - a JavaScript Date object + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @return {DateTime} + */ + ; + + DateTime.fromJSDate = function fromJSDate(date, options) { + if (options === void 0) { + options = {}; + } + + var ts = isDate(date) ? date.valueOf() : NaN; + + if (Number.isNaN(ts)) { + return DateTime.invalid("invalid input"); + } + + var zoneToUse = normalizeZone(options.zone, Settings.defaultZone); + + if (!zoneToUse.isValid) { + return DateTime.invalid(unsupportedZone(zoneToUse)); + } + + return new DateTime({ + ts: ts, + zone: zoneToUse, + loc: Locale.fromObject(options) + }); + } + /** + * Create a DateTime from a number of milliseconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone. + * @param {number} milliseconds - a number of milliseconds since 1970 UTC + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromMillis = function fromMillis(milliseconds, options) { + if (options === void 0) { + options = {}; + } + + if (!isNumber(milliseconds)) { + throw new InvalidArgumentError("fromMillis requires a numerical input, but received a " + typeof milliseconds + " with value " + milliseconds); + } else if (milliseconds < -MAX_DATE || milliseconds > MAX_DATE) { + // this isn't perfect because because we can still end up out of range because of additional shifting, but it's a start + return DateTime.invalid("Timestamp out of range"); + } else { + return new DateTime({ + ts: milliseconds, + zone: normalizeZone(options.zone, Settings.defaultZone), + loc: Locale.fromObject(options) + }); + } + } + /** + * Create a DateTime from a number of seconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone. + * @param {number} seconds - a number of seconds since 1970 UTC + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromSeconds = function fromSeconds(seconds, options) { + if (options === void 0) { + options = {}; + } + + if (!isNumber(seconds)) { + throw new InvalidArgumentError("fromSeconds requires a numerical input"); + } else { + return new DateTime({ + ts: seconds * 1000, + zone: normalizeZone(options.zone, Settings.defaultZone), + loc: Locale.fromObject(options) + }); + } + } + /** + * Create a DateTime from a JavaScript object with keys like 'year' and 'hour' with reasonable defaults. + * @param {Object} obj - the object to create the DateTime from + * @param {number} obj.year - a year, such as 1987 + * @param {number} obj.month - a month, 1-12 + * @param {number} obj.day - a day of the month, 1-31, depending on the month + * @param {number} obj.ordinal - day of the year, 1-365 or 366 + * @param {number} obj.weekYear - an ISO week year + * @param {number} obj.weekNumber - an ISO week number, between 1 and 52 or 53, depending on the year + * @param {number} obj.weekday - an ISO weekday, 1-7, where 1 is Monday and 7 is Sunday + * @param {number} obj.hour - hour of the day, 0-23 + * @param {number} obj.minute - minute of the hour, 0-59 + * @param {number} obj.second - second of the minute, 0-59 + * @param {number} obj.millisecond - millisecond of the second, 0-999 + * @param {Object} opts - options for creating this DateTime + * @param {string|Zone} [opts.zone='local'] - interpret the numbers in the context of a particular zone. Can take any value taken as the first argument to setZone() + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromObject({ year: 1982, month: 5, day: 25}).toISODate() //=> '1982-05-25' + * @example DateTime.fromObject({ year: 1982 }).toISODate() //=> '1982-01-01' + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }) //~> today at 10:26:06 + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'utc' }), + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'local' }) + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'America/New_York' }) + * @example DateTime.fromObject({ weekYear: 2016, weekNumber: 2, weekday: 3 }).toISODate() //=> '2016-01-13' + * @return {DateTime} + */ + ; + + DateTime.fromObject = function fromObject(obj, opts) { + if (opts === void 0) { + opts = {}; + } + + obj = obj || {}; + var zoneToUse = normalizeZone(opts.zone, Settings.defaultZone); + + if (!zoneToUse.isValid) { + return DateTime.invalid(unsupportedZone(zoneToUse)); + } + + var tsNow = Settings.now(), + offsetProvis = !isUndefined(opts.specificOffset) ? opts.specificOffset : zoneToUse.offset(tsNow), + normalized = normalizeObject(obj, normalizeUnit), + containsOrdinal = !isUndefined(normalized.ordinal), + containsGregorYear = !isUndefined(normalized.year), + containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day), + containsGregor = containsGregorYear || containsGregorMD, + definiteWeekDef = normalized.weekYear || normalized.weekNumber, + loc = Locale.fromObject(opts); // cases: + // just a weekday -> this week's instance of that weekday, no worries + // (gregorian data or ordinal) + (weekYear or weekNumber) -> error + // (gregorian month or day) + ordinal -> error + // otherwise just use weeks or ordinals or gregorian, depending on what's specified + + if ((containsGregor || containsOrdinal) && definiteWeekDef) { + throw new ConflictingSpecificationError("Can't mix weekYear/weekNumber units with year/month/day or ordinals"); + } + + if (containsGregorMD && containsOrdinal) { + throw new ConflictingSpecificationError("Can't mix ordinal dates with month/day"); + } + + var useWeekData = definiteWeekDef || normalized.weekday && !containsGregor; // configure ourselves to deal with gregorian dates or week stuff + + var units, + defaultValues, + objNow = tsToObj(tsNow, offsetProvis); + + if (useWeekData) { + units = orderedWeekUnits; + defaultValues = defaultWeekUnitValues; + objNow = gregorianToWeek(objNow); + } else if (containsOrdinal) { + units = orderedOrdinalUnits; + defaultValues = defaultOrdinalUnitValues; + objNow = gregorianToOrdinal(objNow); + } else { + units = orderedUnits; + defaultValues = defaultUnitValues; + } // set default values for missing stuff + + + var foundFirst = false; + + for (var _iterator3 = _createForOfIteratorHelperLoose(units), _step3; !(_step3 = _iterator3()).done;) { + var u = _step3.value; + var v = normalized[u]; + + if (!isUndefined(v)) { + foundFirst = true; + } else if (foundFirst) { + normalized[u] = defaultValues[u]; + } else { + normalized[u] = objNow[u]; + } + } // make sure the values we have are in range + + + var higherOrderInvalid = useWeekData ? hasInvalidWeekData(normalized) : containsOrdinal ? hasInvalidOrdinalData(normalized) : hasInvalidGregorianData(normalized), + invalid = higherOrderInvalid || hasInvalidTimeData(normalized); + + if (invalid) { + return DateTime.invalid(invalid); + } // compute the actual time + + + var gregorian = useWeekData ? weekToGregorian(normalized) : containsOrdinal ? ordinalToGregorian(normalized) : normalized, + _objToTS2 = objToTS(gregorian, offsetProvis, zoneToUse), + tsFinal = _objToTS2[0], + offsetFinal = _objToTS2[1], + inst = new DateTime({ + ts: tsFinal, + zone: zoneToUse, + o: offsetFinal, + loc: loc + }); // gregorian data + weekday serves only to validate + + + if (normalized.weekday && containsGregor && obj.weekday !== inst.weekday) { + return DateTime.invalid("mismatched weekday", "you can't specify both a weekday of " + normalized.weekday + " and a date of " + inst.toISO()); + } + + return inst; + } + /** + * Create a DateTime from an ISO 8601 string + * @param {string} text - the ISO string + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the time to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} [opts.outputCalendar] - the output calendar to set on the resulting DateTime instance + * @param {string} [opts.numberingSystem] - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromISO('2016-05-25T09:08:34.123') + * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00') + * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00', {setZone: true}) + * @example DateTime.fromISO('2016-05-25T09:08:34.123', {zone: 'utc'}) + * @example DateTime.fromISO('2016-W05-4') + * @return {DateTime} + */ + ; + + DateTime.fromISO = function fromISO(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseISODate = parseISODate(text), + vals = _parseISODate[0], + parsedZone = _parseISODate[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "ISO 8601", text); + } + /** + * Create a DateTime from an RFC 2822 string + * @param {string} text - the RFC 2822 string + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since the offset is always specified in the string itself, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in. + * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromRFC2822('25 Nov 2016 13:23:12 GMT') + * @example DateTime.fromRFC2822('Fri, 25 Nov 2016 13:23:12 +0600') + * @example DateTime.fromRFC2822('25 Nov 2016 13:23 Z') + * @return {DateTime} + */ + ; + + DateTime.fromRFC2822 = function fromRFC2822(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseRFC2822Date = parseRFC2822Date(text), + vals = _parseRFC2822Date[0], + parsedZone = _parseRFC2822Date[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "RFC 2822", text); + } + /** + * Create a DateTime from an HTTP header date + * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1 + * @param {string} text - the HTTP header date + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since HTTP dates are always in UTC, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in. + * @param {boolean} [opts.setZone=false] - override the zone with the fixed-offset zone specified in the string. For HTTP dates, this is always UTC, so this option is equivalent to setting the `zone` option to 'utc', but this option is included for consistency with similar methods. + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromHTTP('Sun, 06 Nov 1994 08:49:37 GMT') + * @example DateTime.fromHTTP('Sunday, 06-Nov-94 08:49:37 GMT') + * @example DateTime.fromHTTP('Sun Nov 6 08:49:37 1994') + * @return {DateTime} + */ + ; + + DateTime.fromHTTP = function fromHTTP(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseHTTPDate = parseHTTPDate(text), + vals = _parseHTTPDate[0], + parsedZone = _parseHTTPDate[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "HTTP", opts); + } + /** + * Create a DateTime from an input string and format string. + * Defaults to en-US if no locale has been specified, regardless of the system's locale. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/parsing?id=table-of-tokens). + * @param {string} text - the string to parse + * @param {string} fmt - the format the string is expected to be in (see the link below for the formats) + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale + * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromFormat = function fromFormat(text, fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + if (isUndefined(text) || isUndefined(fmt)) { + throw new InvalidArgumentError("fromFormat requires an input string and a format"); + } + + var _opts = opts, + _opts$locale = _opts.locale, + locale = _opts$locale === void 0 ? null : _opts$locale, + _opts$numberingSystem = _opts.numberingSystem, + numberingSystem = _opts$numberingSystem === void 0 ? null : _opts$numberingSystem, + localeToUse = Locale.fromOpts({ + locale: locale, + numberingSystem: numberingSystem, + defaultToEN: true + }), + _parseFromTokens = parseFromTokens(localeToUse, text, fmt), + vals = _parseFromTokens[0], + parsedZone = _parseFromTokens[1], + specificOffset = _parseFromTokens[2], + invalid = _parseFromTokens[3]; + + if (invalid) { + return DateTime.invalid(invalid); + } else { + return parseDataToDateTime(vals, parsedZone, opts, "format " + fmt, text, specificOffset); + } + } + /** + * @deprecated use fromFormat instead + */ + ; + + DateTime.fromString = function fromString(text, fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + return DateTime.fromFormat(text, fmt, opts); + } + /** + * Create a DateTime from a SQL date, time, or datetime + * Defaults to en-US if no locale has been specified, regardless of the system's locale + * @param {string} text - the string to parse + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale + * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @example DateTime.fromSQL('2017-05-15') + * @example DateTime.fromSQL('2017-05-15 09:12:34') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342+06:00') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles', { setZone: true }) + * @example DateTime.fromSQL('2017-05-15 09:12:34.342', { zone: 'America/Los_Angeles' }) + * @example DateTime.fromSQL('09:12:34.342') + * @return {DateTime} + */ + ; + + DateTime.fromSQL = function fromSQL(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseSQL = parseSQL(text), + vals = _parseSQL[0], + parsedZone = _parseSQL[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "SQL", text); + } + /** + * Create an invalid DateTime. + * @param {string} reason - simple string of why this DateTime is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {DateTime} + */ + ; + + DateTime.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the DateTime is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidDateTimeError(invalid); + } else { + return new DateTime({ + invalid: invalid + }); + } + } + /** + * Check if an object is a DateTime. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + DateTime.isDateTime = function isDateTime(o) { + return o && o.isLuxonDateTime || false; + } // INFO + + /** + * Get the value of unit. + * @param {string} unit - a unit such as 'minute' or 'day' + * @example DateTime.local(2017, 7, 4).get('month'); //=> 7 + * @example DateTime.local(2017, 7, 4).get('day'); //=> 4 + * @return {number} + */ + ; + + var _proto = DateTime.prototype; + + _proto.get = function get(unit) { + return this[unit]; + } + /** + * Returns whether the DateTime is valid. Invalid DateTimes occur when: + * * The DateTime was created from invalid calendar information, such as the 13th month or February 30 + * * The DateTime was created by an operation on another invalid date + * @type {boolean} + */ + ; + + /** + * Returns the resolved Intl options for this DateTime. + * This is useful in understanding the behavior of formatting methods + * @param {Object} opts - the same options as toLocaleString + * @return {Object} + */ + _proto.resolvedLocaleOptions = function resolvedLocaleOptions(opts) { + if (opts === void 0) { + opts = {}; + } + + var _Formatter$create$res = Formatter.create(this.loc.clone(opts), opts).resolvedOptions(this), + locale = _Formatter$create$res.locale, + numberingSystem = _Formatter$create$res.numberingSystem, + calendar = _Formatter$create$res.calendar; + + return { + locale: locale, + numberingSystem: numberingSystem, + outputCalendar: calendar + }; + } // TRANSFORM + + /** + * "Set" the DateTime's zone to UTC. Returns a newly-constructed DateTime. + * + * Equivalent to {@link DateTime#setZone}('utc') + * @param {number} [offset=0] - optionally, an offset from UTC in minutes + * @param {Object} [opts={}] - options to pass to `setZone()` + * @return {DateTime} + */ + ; + + _proto.toUTC = function toUTC(offset, opts) { + if (offset === void 0) { + offset = 0; + } + + if (opts === void 0) { + opts = {}; + } + + return this.setZone(FixedOffsetZone.instance(offset), opts); + } + /** + * "Set" the DateTime's zone to the host's local zone. Returns a newly-constructed DateTime. + * + * Equivalent to `setZone('local')` + * @return {DateTime} + */ + ; + + _proto.toLocal = function toLocal() { + return this.setZone(Settings.defaultZone); + } + /** + * "Set" the DateTime's zone to specified zone. Returns a newly-constructed DateTime. + * + * By default, the setter keeps the underlying time the same (as in, the same timestamp), but the new instance will report different local times and consider DSTs when making computations, as with {@link DateTime#plus}. You may wish to use {@link DateTime#toLocal} and {@link DateTime#toUTC} which provide simple convenience wrappers for commonly used zones. + * @param {string|Zone} [zone='local'] - a zone identifier. As a string, that can be any IANA zone supported by the host environment, or a fixed-offset name of the form 'UTC+3', or the strings 'local' or 'utc'. You may also supply an instance of a {@link DateTime#Zone} class. + * @param {Object} opts - options + * @param {boolean} [opts.keepLocalTime=false] - If true, adjust the underlying time so that the local time stays the same, but in the target zone. You should rarely need this. + * @return {DateTime} + */ + ; + + _proto.setZone = function setZone(zone, _temp) { + var _ref2 = _temp === void 0 ? {} : _temp, + _ref2$keepLocalTime = _ref2.keepLocalTime, + keepLocalTime = _ref2$keepLocalTime === void 0 ? false : _ref2$keepLocalTime, + _ref2$keepCalendarTim = _ref2.keepCalendarTime, + keepCalendarTime = _ref2$keepCalendarTim === void 0 ? false : _ref2$keepCalendarTim; + + zone = normalizeZone(zone, Settings.defaultZone); + + if (zone.equals(this.zone)) { + return this; + } else if (!zone.isValid) { + return DateTime.invalid(unsupportedZone(zone)); + } else { + var newTS = this.ts; + + if (keepLocalTime || keepCalendarTime) { + var offsetGuess = zone.offset(this.ts); + var asObj = this.toObject(); + + var _objToTS3 = objToTS(asObj, offsetGuess, zone); + + newTS = _objToTS3[0]; + } + + return clone(this, { + ts: newTS, + zone: zone + }); + } + } + /** + * "Set" the locale, numberingSystem, or outputCalendar. Returns a newly-constructed DateTime. + * @param {Object} properties - the properties to set + * @example DateTime.local(2017, 5, 25).reconfigure({ locale: 'en-GB' }) + * @return {DateTime} + */ + ; + + _proto.reconfigure = function reconfigure(_temp2) { + var _ref3 = _temp2 === void 0 ? {} : _temp2, + locale = _ref3.locale, + numberingSystem = _ref3.numberingSystem, + outputCalendar = _ref3.outputCalendar; + + var loc = this.loc.clone({ + locale: locale, + numberingSystem: numberingSystem, + outputCalendar: outputCalendar + }); + return clone(this, { + loc: loc + }); + } + /** + * "Set" the locale. Returns a newly-constructed DateTime. + * Just a convenient alias for reconfigure({ locale }) + * @example DateTime.local(2017, 5, 25).setLocale('en-GB') + * @return {DateTime} + */ + ; + + _proto.setLocale = function setLocale(locale) { + return this.reconfigure({ + locale: locale + }); + } + /** + * "Set" the values of specified units. Returns a newly-constructed DateTime. + * You can only set units with this method; for "setting" metadata, see {@link DateTime#reconfigure} and {@link DateTime#setZone}. + * @param {Object} values - a mapping of units to numbers + * @example dt.set({ year: 2017 }) + * @example dt.set({ hour: 8, minute: 30 }) + * @example dt.set({ weekday: 5 }) + * @example dt.set({ year: 2005, ordinal: 234 }) + * @return {DateTime} + */ + ; + + _proto.set = function set(values) { + if (!this.isValid) return this; + var normalized = normalizeObject(values, normalizeUnit), + settingWeekStuff = !isUndefined(normalized.weekYear) || !isUndefined(normalized.weekNumber) || !isUndefined(normalized.weekday), + containsOrdinal = !isUndefined(normalized.ordinal), + containsGregorYear = !isUndefined(normalized.year), + containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day), + containsGregor = containsGregorYear || containsGregorMD, + definiteWeekDef = normalized.weekYear || normalized.weekNumber; + + if ((containsGregor || containsOrdinal) && definiteWeekDef) { + throw new ConflictingSpecificationError("Can't mix weekYear/weekNumber units with year/month/day or ordinals"); + } + + if (containsGregorMD && containsOrdinal) { + throw new ConflictingSpecificationError("Can't mix ordinal dates with month/day"); + } + + var mixed; + + if (settingWeekStuff) { + mixed = weekToGregorian(_extends({}, gregorianToWeek(this.c), normalized)); + } else if (!isUndefined(normalized.ordinal)) { + mixed = ordinalToGregorian(_extends({}, gregorianToOrdinal(this.c), normalized)); + } else { + mixed = _extends({}, this.toObject(), normalized); // if we didn't set the day but we ended up on an overflow date, + // use the last day of the right month + + if (isUndefined(normalized.day)) { + mixed.day = Math.min(daysInMonth(mixed.year, mixed.month), mixed.day); + } + } + + var _objToTS4 = objToTS(mixed, this.o, this.zone), + ts = _objToTS4[0], + o = _objToTS4[1]; + + return clone(this, { + ts: ts, + o: o + }); + } + /** + * Add a period of time to this DateTime and return the resulting DateTime + * + * Adding hours, minutes, seconds, or milliseconds increases the timestamp by the right number of milliseconds. Adding days, months, or years shifts the calendar, accounting for DSTs and leap years along the way. Thus, `dt.plus({ hours: 24 })` may result in a different time than `dt.plus({ days: 1 })` if there's a DST shift in between. + * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @example DateTime.now().plus(123) //~> in 123 milliseconds + * @example DateTime.now().plus({ minutes: 15 }) //~> in 15 minutes + * @example DateTime.now().plus({ days: 1 }) //~> this time tomorrow + * @example DateTime.now().plus({ days: -1 }) //~> this time yesterday + * @example DateTime.now().plus({ hours: 3, minutes: 13 }) //~> in 3 hr, 13 min + * @example DateTime.now().plus(Duration.fromObject({ hours: 3, minutes: 13 })) //~> in 3 hr, 13 min + * @return {DateTime} + */ + ; + + _proto.plus = function plus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration); + return clone(this, adjustTime(this, dur)); + } + /** + * Subtract a period of time to this DateTime and return the resulting DateTime + * See {@link DateTime#plus} + * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + @return {DateTime} + */ + ; + + _proto.minus = function minus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration).negate(); + return clone(this, adjustTime(this, dur)); + } + /** + * "Set" this DateTime to the beginning of a unit of time. + * @param {string} unit - The unit to go to the beginning of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'. + * @example DateTime.local(2014, 3, 3).startOf('month').toISODate(); //=> '2014-03-01' + * @example DateTime.local(2014, 3, 3).startOf('year').toISODate(); //=> '2014-01-01' + * @example DateTime.local(2014, 3, 3).startOf('week').toISODate(); //=> '2014-03-03', weeks always start on Mondays + * @example DateTime.local(2014, 3, 3, 5, 30).startOf('day').toISOTime(); //=> '00:00.000-05:00' + * @example DateTime.local(2014, 3, 3, 5, 30).startOf('hour').toISOTime(); //=> '05:00:00.000-05:00' + * @return {DateTime} + */ + ; + + _proto.startOf = function startOf(unit) { + if (!this.isValid) return this; + var o = {}, + normalizedUnit = Duration.normalizeUnit(unit); + + switch (normalizedUnit) { + case "years": + o.month = 1; + // falls through + + case "quarters": + case "months": + o.day = 1; + // falls through + + case "weeks": + case "days": + o.hour = 0; + // falls through + + case "hours": + o.minute = 0; + // falls through + + case "minutes": + o.second = 0; + // falls through + + case "seconds": + o.millisecond = 0; + break; + // no default, invalid units throw in normalizeUnit() + } + + if (normalizedUnit === "weeks") { + o.weekday = 1; + } + + if (normalizedUnit === "quarters") { + var q = Math.ceil(this.month / 3); + o.month = (q - 1) * 3 + 1; + } + + return this.set(o); + } + /** + * "Set" this DateTime to the end (meaning the last millisecond) of a unit of time + * @param {string} unit - The unit to go to the end of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'. + * @example DateTime.local(2014, 3, 3).endOf('month').toISO(); //=> '2014-03-31T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3).endOf('year').toISO(); //=> '2014-12-31T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3).endOf('week').toISO(); // => '2014-03-09T23:59:59.999-05:00', weeks start on Mondays + * @example DateTime.local(2014, 3, 3, 5, 30).endOf('day').toISO(); //=> '2014-03-03T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3, 5, 30).endOf('hour').toISO(); //=> '2014-03-03T05:59:59.999-05:00' + * @return {DateTime} + */ + ; + + _proto.endOf = function endOf(unit) { + var _this$plus; + + return this.isValid ? this.plus((_this$plus = {}, _this$plus[unit] = 1, _this$plus)).startOf(unit).minus(1) : this; + } // OUTPUT + + /** + * Returns a string representation of this DateTime formatted according to the specified format string. + * **You may not want this.** See {@link DateTime#toLocaleString} for a more flexible formatting tool. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/formatting?id=table-of-tokens). + * Defaults to en-US if no locale has been specified, regardless of the system's locale. + * @param {string} fmt - the format string + * @param {Object} opts - opts to override the configuration options on this DateTime + * @example DateTime.now().toFormat('yyyy LLL dd') //=> '2017 Apr 22' + * @example DateTime.now().setLocale('fr').toFormat('yyyy LLL dd') //=> '2017 avr. 22' + * @example DateTime.now().toFormat('yyyy LLL dd', { locale: "fr" }) //=> '2017 avr. 22' + * @example DateTime.now().toFormat("HH 'hours and' mm 'minutes'") //=> '20 hours and 55 minutes' + * @return {string} + */ + ; + + _proto.toFormat = function toFormat(fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.redefaultToEN(opts)).formatDateTimeFromString(this, fmt) : INVALID; + } + /** + * Returns a localized string representing this date. Accepts the same options as the Intl.DateTimeFormat constructor and any presets defined by Luxon, such as `DateTime.DATE_FULL` or `DateTime.TIME_SIMPLE`. + * The exact behavior of this method is browser-specific, but in general it will return an appropriate representation + * of the DateTime in the assigned locale. + * Defaults to the system's locale if no locale has been specified + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param formatOpts {Object} - Intl.DateTimeFormat constructor options and configuration options + * @param {Object} opts - opts to override the configuration options on this DateTime + * @example DateTime.now().toLocaleString(); //=> 4/20/2017 + * @example DateTime.now().setLocale('en-gb').toLocaleString(); //=> '20/04/2017' + * @example DateTime.now().toLocaleString({ locale: 'en-gb' }); //=> '20/04/2017' + * @example DateTime.now().toLocaleString(DateTime.DATE_FULL); //=> 'April 20, 2017' + * @example DateTime.now().toLocaleString(DateTime.TIME_SIMPLE); //=> '11:32 AM' + * @example DateTime.now().toLocaleString(DateTime.DATETIME_SHORT); //=> '4/20/2017, 11:32 AM' + * @example DateTime.now().toLocaleString({ weekday: 'long', month: 'long', day: '2-digit' }); //=> 'Thursday, April 20' + * @example DateTime.now().toLocaleString({ weekday: 'short', month: 'short', day: '2-digit', hour: '2-digit', minute: '2-digit' }); //=> 'Thu, Apr 20, 11:27 AM' + * @example DateTime.now().toLocaleString({ hour: '2-digit', minute: '2-digit', hourCycle: 'h23' }); //=> '11:32' + * @return {string} + */ + ; + + _proto.toLocaleString = function toLocaleString(formatOpts, opts) { + if (formatOpts === void 0) { + formatOpts = DATE_SHORT; + } + + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.clone(opts), formatOpts).formatDateTime(this) : INVALID; + } + /** + * Returns an array of format "parts", meaning individual tokens along with metadata. This is allows callers to post-process individual sections of the formatted output. + * Defaults to the system's locale if no locale has been specified + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat/formatToParts + * @param opts {Object} - Intl.DateTimeFormat constructor options, same as `toLocaleString`. + * @example DateTime.now().toLocaleParts(); //=> [ + * //=> { type: 'day', value: '25' }, + * //=> { type: 'literal', value: '/' }, + * //=> { type: 'month', value: '05' }, + * //=> { type: 'literal', value: '/' }, + * //=> { type: 'year', value: '1982' } + * //=> ] + */ + ; + + _proto.toLocaleParts = function toLocaleParts(opts) { + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.clone(opts), opts).formatDateTimeParts(this) : []; + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc(1983, 5, 25).toISO() //=> '1982-05-25T00:00:00.000Z' + * @example DateTime.now().toISO() //=> '2017-04-22T20:47:05.335-04:00' + * @example DateTime.now().toISO({ includeOffset: false }) //=> '2017-04-22T20:47:05.335' + * @example DateTime.now().toISO({ format: 'basic' }) //=> '20170422T204705.335-0400' + * @return {string} + */ + ; + + _proto.toISO = function toISO(_temp3) { + var _ref4 = _temp3 === void 0 ? {} : _temp3, + _ref4$format = _ref4.format, + format = _ref4$format === void 0 ? "extended" : _ref4$format, + _ref4$suppressSeconds = _ref4.suppressSeconds, + suppressSeconds = _ref4$suppressSeconds === void 0 ? false : _ref4$suppressSeconds, + _ref4$suppressMillise = _ref4.suppressMilliseconds, + suppressMilliseconds = _ref4$suppressMillise === void 0 ? false : _ref4$suppressMillise, + _ref4$includeOffset = _ref4.includeOffset, + includeOffset = _ref4$includeOffset === void 0 ? true : _ref4$includeOffset; + + if (!this.isValid) { + return null; + } + + var ext = format === "extended"; + + var c = _toISODate(this, ext); + + c += "T"; + c += _toISOTime(this, ext, suppressSeconds, suppressMilliseconds, includeOffset); + return c; + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's date component + * @param {Object} opts - options + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc(1982, 5, 25).toISODate() //=> '1982-05-25' + * @example DateTime.utc(1982, 5, 25).toISODate({ format: 'basic' }) //=> '19820525' + * @return {string} + */ + ; + + _proto.toISODate = function toISODate(_temp4) { + var _ref5 = _temp4 === void 0 ? {} : _temp4, + _ref5$format = _ref5.format, + format = _ref5$format === void 0 ? "extended" : _ref5$format; + + if (!this.isValid) { + return null; + } + + return _toISODate(this, format === "extended"); + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's week date + * @example DateTime.utc(1982, 5, 25).toISOWeekDate() //=> '1982-W21-2' + * @return {string} + */ + ; + + _proto.toISOWeekDate = function toISOWeekDate() { + return toTechFormat(this, "kkkk-'W'WW-c"); + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's time component + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includePrefix=false] - include the `T` prefix + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime() //=> '07:34:19.361Z' + * @example DateTime.utc().set({ hour: 7, minute: 34, seconds: 0, milliseconds: 0 }).toISOTime({ suppressSeconds: true }) //=> '07:34Z' + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ format: 'basic' }) //=> '073419.361Z' + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ includePrefix: true }) //=> 'T07:34:19.361Z' + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(_temp5) { + var _ref6 = _temp5 === void 0 ? {} : _temp5, + _ref6$suppressMillise = _ref6.suppressMilliseconds, + suppressMilliseconds = _ref6$suppressMillise === void 0 ? false : _ref6$suppressMillise, + _ref6$suppressSeconds = _ref6.suppressSeconds, + suppressSeconds = _ref6$suppressSeconds === void 0 ? false : _ref6$suppressSeconds, + _ref6$includeOffset = _ref6.includeOffset, + includeOffset = _ref6$includeOffset === void 0 ? true : _ref6$includeOffset, + _ref6$includePrefix = _ref6.includePrefix, + includePrefix = _ref6$includePrefix === void 0 ? false : _ref6$includePrefix, + _ref6$format = _ref6.format, + format = _ref6$format === void 0 ? "extended" : _ref6$format; + + if (!this.isValid) { + return null; + } + + var c = includePrefix ? "T" : ""; + return c + _toISOTime(this, format === "extended", suppressSeconds, suppressMilliseconds, includeOffset); + } + /** + * Returns an RFC 2822-compatible string representation of this DateTime + * @example DateTime.utc(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 +0000' + * @example DateTime.local(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 -0400' + * @return {string} + */ + ; + + _proto.toRFC2822 = function toRFC2822() { + return toTechFormat(this, "EEE, dd LLL yyyy HH:mm:ss ZZZ", false); + } + /** + * Returns a string representation of this DateTime appropriate for use in HTTP headers. The output is always expressed in GMT. + * Specifically, the string conforms to RFC 1123. + * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1 + * @example DateTime.utc(2014, 7, 13).toHTTP() //=> 'Sun, 13 Jul 2014 00:00:00 GMT' + * @example DateTime.utc(2014, 7, 13, 19).toHTTP() //=> 'Sun, 13 Jul 2014 19:00:00 GMT' + * @return {string} + */ + ; + + _proto.toHTTP = function toHTTP() { + return toTechFormat(this.toUTC(), "EEE, dd LLL yyyy HH:mm:ss 'GMT'"); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL Date + * @example DateTime.utc(2014, 7, 13).toSQLDate() //=> '2014-07-13' + * @return {string} + */ + ; + + _proto.toSQLDate = function toSQLDate() { + if (!this.isValid) { + return null; + } + + return _toISODate(this, true); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL Time + * @param {Object} opts - options + * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset. + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00' + * @example DateTime.utc().toSQL() //=> '05:15:16.345' + * @example DateTime.now().toSQL() //=> '05:15:16.345 -04:00' + * @example DateTime.now().toSQL({ includeOffset: false }) //=> '05:15:16.345' + * @example DateTime.now().toSQL({ includeZone: false }) //=> '05:15:16.345 America/New_York' + * @return {string} + */ + ; + + _proto.toSQLTime = function toSQLTime(_temp6) { + var _ref7 = _temp6 === void 0 ? {} : _temp6, + _ref7$includeOffset = _ref7.includeOffset, + includeOffset = _ref7$includeOffset === void 0 ? true : _ref7$includeOffset, + _ref7$includeZone = _ref7.includeZone, + includeZone = _ref7$includeZone === void 0 ? false : _ref7$includeZone, + _ref7$includeOffsetSp = _ref7.includeOffsetSpace, + includeOffsetSpace = _ref7$includeOffsetSp === void 0 ? true : _ref7$includeOffsetSp; + + var fmt = "HH:mm:ss.SSS"; + + if (includeZone || includeOffset) { + if (includeOffsetSpace) { + fmt += " "; + } + + if (includeZone) { + fmt += "z"; + } else if (includeOffset) { + fmt += "ZZ"; + } + } + + return toTechFormat(this, fmt, true); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL DateTime + * @param {Object} opts - options + * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset. + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00' + * @example DateTime.utc(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 Z' + * @example DateTime.local(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 -04:00' + * @example DateTime.local(2014, 7, 13).toSQL({ includeOffset: false }) //=> '2014-07-13 00:00:00.000' + * @example DateTime.local(2014, 7, 13).toSQL({ includeZone: true }) //=> '2014-07-13 00:00:00.000 America/New_York' + * @return {string} + */ + ; + + _proto.toSQL = function toSQL(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) { + return null; + } + + return this.toSQLDate() + " " + this.toSQLTime(opts); + } + /** + * Returns a string representation of this DateTime appropriate for debugging + * @return {string} + */ + ; + + _proto.toString = function toString() { + return this.isValid ? this.toISO() : INVALID; + } + /** + * Returns the epoch milliseconds of this DateTime. Alias of {@link DateTime#toMillis} + * @return {number} + */ + ; + + _proto.valueOf = function valueOf() { + return this.toMillis(); + } + /** + * Returns the epoch milliseconds of this DateTime. + * @return {number} + */ + ; + + _proto.toMillis = function toMillis() { + return this.isValid ? this.ts : NaN; + } + /** + * Returns the epoch seconds of this DateTime. + * @return {number} + */ + ; + + _proto.toSeconds = function toSeconds() { + return this.isValid ? this.ts / 1000 : NaN; + } + /** + * Returns the epoch seconds (as a whole number) of this DateTime. + * @return {number} + */ + ; + + _proto.toUnixInteger = function toUnixInteger() { + return this.isValid ? Math.floor(this.ts / 1000) : NaN; + } + /** + * Returns an ISO 8601 representation of this DateTime appropriate for use in JSON. + * @return {string} + */ + ; + + _proto.toJSON = function toJSON() { + return this.toISO(); + } + /** + * Returns a BSON serializable equivalent to this DateTime. + * @return {Date} + */ + ; + + _proto.toBSON = function toBSON() { + return this.toJSDate(); + } + /** + * Returns a JavaScript object with this DateTime's year, month, day, and so on. + * @param opts - options for generating the object + * @param {boolean} [opts.includeConfig=false] - include configuration attributes in the output + * @example DateTime.now().toObject() //=> { year: 2017, month: 4, day: 22, hour: 20, minute: 49, second: 42, millisecond: 268 } + * @return {Object} + */ + ; + + _proto.toObject = function toObject(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) return {}; + + var base = _extends({}, this.c); + + if (opts.includeConfig) { + base.outputCalendar = this.outputCalendar; + base.numberingSystem = this.loc.numberingSystem; + base.locale = this.loc.locale; + } + + return base; + } + /** + * Returns a JavaScript Date equivalent to this DateTime. + * @return {Date} + */ + ; + + _proto.toJSDate = function toJSDate() { + return new Date(this.isValid ? this.ts : NaN); + } // COMPARE + + /** + * Return the difference between two DateTimes as a Duration. + * @param {DateTime} otherDateTime - the DateTime to compare this one to + * @param {string|string[]} [unit=['milliseconds']] - the unit or array of units (such as 'hours' or 'days') to include in the duration. + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @example + * var i1 = DateTime.fromISO('1982-05-25T09:45'), + * i2 = DateTime.fromISO('1983-10-14T10:30'); + * i2.diff(i1).toObject() //=> { milliseconds: 43807500000 } + * i2.diff(i1, 'hours').toObject() //=> { hours: 12168.75 } + * i2.diff(i1, ['months', 'days']).toObject() //=> { months: 16, days: 19.03125 } + * i2.diff(i1, ['months', 'days', 'hours']).toObject() //=> { months: 16, days: 19, hours: 0.75 } + * @return {Duration} + */ + ; + + _proto.diff = function diff(otherDateTime, unit, opts) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid || !otherDateTime.isValid) { + return Duration.invalid("created by diffing an invalid DateTime"); + } + + var durOpts = _extends({ + locale: this.locale, + numberingSystem: this.numberingSystem + }, opts); + + var units = maybeArray(unit).map(Duration.normalizeUnit), + otherIsLater = otherDateTime.valueOf() > this.valueOf(), + earlier = otherIsLater ? this : otherDateTime, + later = otherIsLater ? otherDateTime : this, + diffed = _diff(earlier, later, units, durOpts); + + return otherIsLater ? diffed.negate() : diffed; + } + /** + * Return the difference between this DateTime and right now. + * See {@link DateTime#diff} + * @param {string|string[]} [unit=['milliseconds']] - the unit or units units (such as 'hours' or 'days') to include in the duration + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + ; + + _proto.diffNow = function diffNow(unit, opts) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (opts === void 0) { + opts = {}; + } + + return this.diff(DateTime.now(), unit, opts); + } + /** + * Return an Interval spanning between this DateTime and another DateTime + * @param {DateTime} otherDateTime - the other end point of the Interval + * @return {Interval} + */ + ; + + _proto.until = function until(otherDateTime) { + return this.isValid ? Interval.fromDateTimes(this, otherDateTime) : this; + } + /** + * Return whether this DateTime is in the same unit of time as another DateTime. + * Higher-order units must also be identical for this function to return `true`. + * Note that time zones are **ignored** in this comparison, which compares the **local** calendar time. Use {@link DateTime#setZone} to convert one of the dates if needed. + * @param {DateTime} otherDateTime - the other DateTime + * @param {string} unit - the unit of time to check sameness on + * @example DateTime.now().hasSame(otherDT, 'day'); //~> true if otherDT is in the same current calendar day + * @return {boolean} + */ + ; + + _proto.hasSame = function hasSame(otherDateTime, unit) { + if (!this.isValid) return false; + var inputMs = otherDateTime.valueOf(); + var adjustedToZone = this.setZone(otherDateTime.zone, { + keepLocalTime: true + }); + return adjustedToZone.startOf(unit) <= inputMs && inputMs <= adjustedToZone.endOf(unit); + } + /** + * Equality check + * Two DateTimes are equal iff they represent the same millisecond, have the same zone and location, and are both valid. + * To compare just the millisecond values, use `+dt1 === +dt2`. + * @param {DateTime} other - the other DateTime + * @return {boolean} + */ + ; + + _proto.equals = function equals(other) { + return this.isValid && other.isValid && this.valueOf() === other.valueOf() && this.zone.equals(other.zone) && this.loc.equals(other.loc); + } + /** + * Returns a string representation of a this time relative to now, such as "in two days". Can only internationalize if your + * platform supports Intl.RelativeTimeFormat. Rounds down by default. + * @param {Object} options - options that affect the output + * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now. + * @param {string} [options.style="long"] - the style of units, must be "long", "short", or "narrow" + * @param {string|string[]} options.unit - use a specific unit or array of units; if omitted, or an array, the method will pick the best unit. Use an array or one of "years", "quarters", "months", "weeks", "days", "hours", "minutes", or "seconds" + * @param {boolean} [options.round=true] - whether to round the numbers in the output. + * @param {number} [options.padding=0] - padding in milliseconds. This allows you to round up the result if it fits inside the threshold. Don't use in combination with {round: false} because the decimal output will include the padding. + * @param {string} options.locale - override the locale of this DateTime + * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this + * @example DateTime.now().plus({ days: 1 }).toRelative() //=> "in 1 day" + * @example DateTime.now().setLocale("es").toRelative({ days: 1 }) //=> "dentro de 1 día" + * @example DateTime.now().plus({ days: 1 }).toRelative({ locale: "fr" }) //=> "dans 23 heures" + * @example DateTime.now().minus({ days: 2 }).toRelative() //=> "2 days ago" + * @example DateTime.now().minus({ days: 2 }).toRelative({ unit: "hours" }) //=> "48 hours ago" + * @example DateTime.now().minus({ hours: 36 }).toRelative({ round: false }) //=> "1.5 days ago" + */ + ; + + _proto.toRelative = function toRelative(options) { + if (options === void 0) { + options = {}; + } + + if (!this.isValid) return null; + var base = options.base || DateTime.fromObject({}, { + zone: this.zone + }), + padding = options.padding ? this < base ? -options.padding : options.padding : 0; + var units = ["years", "months", "days", "hours", "minutes", "seconds"]; + var unit = options.unit; + + if (Array.isArray(options.unit)) { + units = options.unit; + unit = undefined; + } + + return diffRelative(base, this.plus(padding), _extends({}, options, { + numeric: "always", + units: units, + unit: unit + })); + } + /** + * Returns a string representation of this date relative to today, such as "yesterday" or "next month". + * Only internationalizes on platforms that supports Intl.RelativeTimeFormat. + * @param {Object} options - options that affect the output + * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now. + * @param {string} options.locale - override the locale of this DateTime + * @param {string} options.unit - use a specific unit; if omitted, the method will pick the unit. Use one of "years", "quarters", "months", "weeks", or "days" + * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this + * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar() //=> "tomorrow" + * @example DateTime.now().setLocale("es").plus({ days: 1 }).toRelative() //=> ""mañana" + * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar({ locale: "fr" }) //=> "demain" + * @example DateTime.now().minus({ days: 2 }).toRelativeCalendar() //=> "2 days ago" + */ + ; + + _proto.toRelativeCalendar = function toRelativeCalendar(options) { + if (options === void 0) { + options = {}; + } + + if (!this.isValid) return null; + return diffRelative(options.base || DateTime.fromObject({}, { + zone: this.zone + }), this, _extends({}, options, { + numeric: "auto", + units: ["years", "months", "days"], + calendary: true + })); + } + /** + * Return the min of several date times + * @param {...DateTime} dateTimes - the DateTimes from which to choose the minimum + * @return {DateTime} the min DateTime, or undefined if called with no argument + */ + ; + + DateTime.min = function min() { + for (var _len = arguments.length, dateTimes = new Array(_len), _key = 0; _key < _len; _key++) { + dateTimes[_key] = arguments[_key]; + } + + if (!dateTimes.every(DateTime.isDateTime)) { + throw new InvalidArgumentError("min requires all arguments be DateTimes"); + } + + return bestBy(dateTimes, function (i) { + return i.valueOf(); + }, Math.min); + } + /** + * Return the max of several date times + * @param {...DateTime} dateTimes - the DateTimes from which to choose the maximum + * @return {DateTime} the max DateTime, or undefined if called with no argument + */ + ; + + DateTime.max = function max() { + for (var _len2 = arguments.length, dateTimes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + dateTimes[_key2] = arguments[_key2]; + } + + if (!dateTimes.every(DateTime.isDateTime)) { + throw new InvalidArgumentError("max requires all arguments be DateTimes"); + } + + return bestBy(dateTimes, function (i) { + return i.valueOf(); + }, Math.max); + } // MISC + + /** + * Explain how a string would be parsed by fromFormat() + * @param {string} text - the string to parse + * @param {string} fmt - the format the string is expected to be in (see description) + * @param {Object} options - options taken by fromFormat() + * @return {Object} + */ + ; + + DateTime.fromFormatExplain = function fromFormatExplain(text, fmt, options) { + if (options === void 0) { + options = {}; + } + + var _options = options, + _options$locale = _options.locale, + locale = _options$locale === void 0 ? null : _options$locale, + _options$numberingSys = _options.numberingSystem, + numberingSystem = _options$numberingSys === void 0 ? null : _options$numberingSys, + localeToUse = Locale.fromOpts({ + locale: locale, + numberingSystem: numberingSystem, + defaultToEN: true + }); + return explainFromTokens(localeToUse, text, fmt); + } + /** + * @deprecated use fromFormatExplain instead + */ + ; + + DateTime.fromStringExplain = function fromStringExplain(text, fmt, options) { + if (options === void 0) { + options = {}; + } + + return DateTime.fromFormatExplain(text, fmt, options); + } // FORMAT PRESETS + + /** + * {@link DateTime#toLocaleString} format like 10/14/1983 + * @type {Object} + */ + ; + + _createClass(DateTime, [{ + key: "isValid", + get: function get() { + return this.invalid === null; + } + /** + * Returns an error code if this DateTime is invalid, or null if the DateTime is valid + * @type {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this DateTime became invalid, or null if the DateTime is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + /** + * Get the locale of a DateTime, such 'en-GB'. The locale is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "locale", + get: function get() { + return this.isValid ? this.loc.locale : null; + } + /** + * Get the numbering system of a DateTime, such 'beng'. The numbering system is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "numberingSystem", + get: function get() { + return this.isValid ? this.loc.numberingSystem : null; + } + /** + * Get the output calendar of a DateTime, such 'islamic'. The output calendar is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "outputCalendar", + get: function get() { + return this.isValid ? this.loc.outputCalendar : null; + } + /** + * Get the time zone associated with this DateTime. + * @type {Zone} + */ + + }, { + key: "zone", + get: function get() { + return this._zone; + } + /** + * Get the name of the time zone. + * @type {string} + */ + + }, { + key: "zoneName", + get: function get() { + return this.isValid ? this.zone.name : null; + } + /** + * Get the year + * @example DateTime.local(2017, 5, 25).year //=> 2017 + * @type {number} + */ + + }, { + key: "year", + get: function get() { + return this.isValid ? this.c.year : NaN; + } + /** + * Get the quarter + * @example DateTime.local(2017, 5, 25).quarter //=> 2 + * @type {number} + */ + + }, { + key: "quarter", + get: function get() { + return this.isValid ? Math.ceil(this.c.month / 3) : NaN; + } + /** + * Get the month (1-12). + * @example DateTime.local(2017, 5, 25).month //=> 5 + * @type {number} + */ + + }, { + key: "month", + get: function get() { + return this.isValid ? this.c.month : NaN; + } + /** + * Get the day of the month (1-30ish). + * @example DateTime.local(2017, 5, 25).day //=> 25 + * @type {number} + */ + + }, { + key: "day", + get: function get() { + return this.isValid ? this.c.day : NaN; + } + /** + * Get the hour of the day (0-23). + * @example DateTime.local(2017, 5, 25, 9).hour //=> 9 + * @type {number} + */ + + }, { + key: "hour", + get: function get() { + return this.isValid ? this.c.hour : NaN; + } + /** + * Get the minute of the hour (0-59). + * @example DateTime.local(2017, 5, 25, 9, 30).minute //=> 30 + * @type {number} + */ + + }, { + key: "minute", + get: function get() { + return this.isValid ? this.c.minute : NaN; + } + /** + * Get the second of the minute (0-59). + * @example DateTime.local(2017, 5, 25, 9, 30, 52).second //=> 52 + * @type {number} + */ + + }, { + key: "second", + get: function get() { + return this.isValid ? this.c.second : NaN; + } + /** + * Get the millisecond of the second (0-999). + * @example DateTime.local(2017, 5, 25, 9, 30, 52, 654).millisecond //=> 654 + * @type {number} + */ + + }, { + key: "millisecond", + get: function get() { + return this.isValid ? this.c.millisecond : NaN; + } + /** + * Get the week year + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2014, 12, 31).weekYear //=> 2015 + * @type {number} + */ + + }, { + key: "weekYear", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekYear : NaN; + } + /** + * Get the week number of the week year (1-52ish). + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2017, 5, 25).weekNumber //=> 21 + * @type {number} + */ + + }, { + key: "weekNumber", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekNumber : NaN; + } + /** + * Get the day of the week. + * 1 is Monday and 7 is Sunday + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2014, 11, 31).weekday //=> 4 + * @type {number} + */ + + }, { + key: "weekday", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekday : NaN; + } + /** + * Get the ordinal (meaning the day of the year) + * @example DateTime.local(2017, 5, 25).ordinal //=> 145 + * @type {number|DateTime} + */ + + }, { + key: "ordinal", + get: function get() { + return this.isValid ? gregorianToOrdinal(this.c).ordinal : NaN; + } + /** + * Get the human readable short month name, such as 'Oct'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).monthShort //=> Oct + * @type {string} + */ + + }, { + key: "monthShort", + get: function get() { + return this.isValid ? Info.months("short", { + locObj: this.loc + })[this.month - 1] : null; + } + /** + * Get the human readable long month name, such as 'October'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).monthLong //=> October + * @type {string} + */ + + }, { + key: "monthLong", + get: function get() { + return this.isValid ? Info.months("long", { + locObj: this.loc + })[this.month - 1] : null; + } + /** + * Get the human readable short weekday, such as 'Mon'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).weekdayShort //=> Mon + * @type {string} + */ + + }, { + key: "weekdayShort", + get: function get() { + return this.isValid ? Info.weekdays("short", { + locObj: this.loc + })[this.weekday - 1] : null; + } + /** + * Get the human readable long weekday, such as 'Monday'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).weekdayLong //=> Monday + * @type {string} + */ + + }, { + key: "weekdayLong", + get: function get() { + return this.isValid ? Info.weekdays("long", { + locObj: this.loc + })[this.weekday - 1] : null; + } + /** + * Get the UTC offset of this DateTime in minutes + * @example DateTime.now().offset //=> -240 + * @example DateTime.utc().offset //=> 0 + * @type {number} + */ + + }, { + key: "offset", + get: function get() { + return this.isValid ? +this.o : NaN; + } + /** + * Get the short human name for the zone's current offset, for example "EST" or "EDT". + * Defaults to the system's locale if no locale has been specified + * @type {string} + */ + + }, { + key: "offsetNameShort", + get: function get() { + if (this.isValid) { + return this.zone.offsetName(this.ts, { + format: "short", + locale: this.locale + }); + } else { + return null; + } + } + /** + * Get the long human name for the zone's current offset, for example "Eastern Standard Time" or "Eastern Daylight Time". + * Defaults to the system's locale if no locale has been specified + * @type {string} + */ + + }, { + key: "offsetNameLong", + get: function get() { + if (this.isValid) { + return this.zone.offsetName(this.ts, { + format: "long", + locale: this.locale + }); + } else { + return null; + } + } + /** + * Get whether this zone's offset ever changes, as in a DST. + * @type {boolean} + */ + + }, { + key: "isOffsetFixed", + get: function get() { + return this.isValid ? this.zone.isUniversal : null; + } + /** + * Get whether the DateTime is in a DST. + * @type {boolean} + */ + + }, { + key: "isInDST", + get: function get() { + if (this.isOffsetFixed) { + return false; + } else { + return this.offset > this.set({ + month: 1 + }).offset || this.offset > this.set({ + month: 5 + }).offset; + } + } + /** + * Returns true if this DateTime is in a leap year, false otherwise + * @example DateTime.local(2016).isInLeapYear //=> true + * @example DateTime.local(2013).isInLeapYear //=> false + * @type {boolean} + */ + + }, { + key: "isInLeapYear", + get: function get() { + return isLeapYear(this.year); + } + /** + * Returns the number of days in this DateTime's month + * @example DateTime.local(2016, 2).daysInMonth //=> 29 + * @example DateTime.local(2016, 3).daysInMonth //=> 31 + * @type {number} + */ + + }, { + key: "daysInMonth", + get: function get() { + return daysInMonth(this.year, this.month); + } + /** + * Returns the number of days in this DateTime's year + * @example DateTime.local(2016).daysInYear //=> 366 + * @example DateTime.local(2013).daysInYear //=> 365 + * @type {number} + */ + + }, { + key: "daysInYear", + get: function get() { + return this.isValid ? daysInYear(this.year) : NaN; + } + /** + * Returns the number of weeks in this DateTime's year + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2004).weeksInWeekYear //=> 53 + * @example DateTime.local(2013).weeksInWeekYear //=> 52 + * @type {number} + */ + + }, { + key: "weeksInWeekYear", + get: function get() { + return this.isValid ? weeksInWeekYear(this.weekYear) : NaN; + } + }], [{ + key: "DATE_SHORT", + get: function get() { + return DATE_SHORT; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_MED", + get: function get() { + return DATE_MED; + } + /** + * {@link DateTime#toLocaleString} format like 'Fri, Oct 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_MED_WITH_WEEKDAY", + get: function get() { + return DATE_MED_WITH_WEEKDAY; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_FULL", + get: function get() { + return DATE_FULL; + } + /** + * {@link DateTime#toLocaleString} format like 'Tuesday, October 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_HUGE", + get: function get() { + return DATE_HUGE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_SIMPLE", + get: function get() { + return TIME_SIMPLE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_SECONDS", + get: function get() { + return TIME_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_SHORT_OFFSET", + get: function get() { + return TIME_WITH_SHORT_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_LONG_OFFSET", + get: function get() { + return TIME_WITH_LONG_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_SIMPLE", + get: function get() { + return TIME_24_SIMPLE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_SECONDS", + get: function get() { + return TIME_24_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 EDT', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_SHORT_OFFSET", + get: function get() { + return TIME_24_WITH_SHORT_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 Eastern Daylight Time', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_LONG_OFFSET", + get: function get() { + return TIME_24_WITH_LONG_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_SHORT", + get: function get() { + return DATETIME_SHORT; + } + /** + * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30:33 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_SHORT_WITH_SECONDS", + get: function get() { + return DATETIME_SHORT_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED", + get: function get() { + return DATETIME_MED; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30:33 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED_WITH_SECONDS", + get: function get() { + return DATETIME_MED_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Fri, 14 Oct 1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED_WITH_WEEKDAY", + get: function get() { + return DATETIME_MED_WITH_WEEKDAY; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_FULL", + get: function get() { + return DATETIME_FULL; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30:33 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_FULL_WITH_SECONDS", + get: function get() { + return DATETIME_FULL_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_HUGE", + get: function get() { + return DATETIME_HUGE; + } + /** + * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30:33 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_HUGE_WITH_SECONDS", + get: function get() { + return DATETIME_HUGE_WITH_SECONDS; + } + }]); + + return DateTime; +}(); +function friendlyDateTime(dateTimeish) { + if (DateTime.isDateTime(dateTimeish)) { + return dateTimeish; + } else if (dateTimeish && dateTimeish.valueOf && isNumber(dateTimeish.valueOf())) { + return DateTime.fromJSDate(dateTimeish); + } else if (dateTimeish && typeof dateTimeish === "object") { + return DateTime.fromObject(dateTimeish); + } else { + throw new InvalidArgumentError("Unknown datetime argument: " + dateTimeish + ", of type " + typeof dateTimeish); + } +} + +var VERSION = "2.3.1"; + +exports.DateTime = DateTime; +exports.Duration = Duration; +exports.FixedOffsetZone = FixedOffsetZone; +exports.IANAZone = IANAZone; +exports.Info = Info; +exports.Interval = Interval; +exports.InvalidZone = InvalidZone; +exports.Settings = Settings; +exports.SystemZone = SystemZone; +exports.VERSION = VERSION; +exports.Zone = Zone; +//# sourceMappingURL=luxon.js.map diff --git a/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js.map b/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js.map new file mode 100644 index 0000000..ba247db --- /dev/null +++ b/GWMS.UI/wwwroot/lib/luxon/cjs-browser/luxon.js.map @@ -0,0 +1 @@ +{"version":3,"file":"luxon.js","sources":["../../src/errors.js","../../src/impl/formats.js","../../src/impl/util.js","../../src/impl/english.js","../../src/impl/formatter.js","../../src/impl/invalid.js","../../src/zone.js","../../src/zones/systemZone.js","../../src/zones/IANAZone.js","../../src/zones/fixedOffsetZone.js","../../src/zones/invalidZone.js","../../src/impl/zoneUtil.js","../../src/settings.js","../../src/impl/locale.js","../../src/impl/regexParser.js","../../src/duration.js","../../src/interval.js","../../src/info.js","../../src/impl/diff.js","../../src/impl/digits.js","../../src/impl/tokenParser.js","../../src/impl/conversions.js","../../src/datetime.js","../../src/luxon.js"],"sourcesContent":["// these aren't really private, but nor are they really useful to document\n\n/**\n * @private\n */\nclass LuxonError extends Error {}\n\n/**\n * @private\n */\nexport class InvalidDateTimeError extends LuxonError {\n constructor(reason) {\n super(`Invalid DateTime: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidIntervalError extends LuxonError {\n constructor(reason) {\n super(`Invalid Interval: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidDurationError extends LuxonError {\n constructor(reason) {\n super(`Invalid Duration: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class ConflictingSpecificationError extends LuxonError {}\n\n/**\n * @private\n */\nexport class InvalidUnitError extends LuxonError {\n constructor(unit) {\n super(`Invalid unit ${unit}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidArgumentError extends LuxonError {}\n\n/**\n * @private\n */\nexport class ZoneIsAbstractError extends LuxonError {\n constructor() {\n super(\"Zone is an abstract class\");\n }\n}\n","/**\n * @private\n */\n\nconst n = \"numeric\",\n s = \"short\",\n l = \"long\";\n\nexport const DATE_SHORT = {\n year: n,\n month: n,\n day: n,\n};\n\nexport const DATE_MED = {\n year: n,\n month: s,\n day: n,\n};\n\nexport const DATE_MED_WITH_WEEKDAY = {\n year: n,\n month: s,\n day: n,\n weekday: s,\n};\n\nexport const DATE_FULL = {\n year: n,\n month: l,\n day: n,\n};\n\nexport const DATE_HUGE = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n};\n\nexport const TIME_SIMPLE = {\n hour: n,\n minute: n,\n};\n\nexport const TIME_WITH_SECONDS = {\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const TIME_WITH_SHORT_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n timeZoneName: s,\n};\n\nexport const TIME_WITH_LONG_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n timeZoneName: l,\n};\n\nexport const TIME_24_SIMPLE = {\n hour: n,\n minute: n,\n hourCycle: \"h23\",\n};\n\nexport const TIME_24_WITH_SECONDS = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n};\n\nexport const TIME_24_WITH_SHORT_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n timeZoneName: s,\n};\n\nexport const TIME_24_WITH_LONG_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n timeZoneName: l,\n};\n\nexport const DATETIME_SHORT = {\n year: n,\n month: n,\n day: n,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_SHORT_WITH_SECONDS = {\n year: n,\n month: n,\n day: n,\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const DATETIME_MED = {\n year: n,\n month: s,\n day: n,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_MED_WITH_SECONDS = {\n year: n,\n month: s,\n day: n,\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const DATETIME_MED_WITH_WEEKDAY = {\n year: n,\n month: s,\n day: n,\n weekday: s,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_FULL = {\n year: n,\n month: l,\n day: n,\n hour: n,\n minute: n,\n timeZoneName: s,\n};\n\nexport const DATETIME_FULL_WITH_SECONDS = {\n year: n,\n month: l,\n day: n,\n hour: n,\n minute: n,\n second: n,\n timeZoneName: s,\n};\n\nexport const DATETIME_HUGE = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n hour: n,\n minute: n,\n timeZoneName: l,\n};\n\nexport const DATETIME_HUGE_WITH_SECONDS = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n hour: n,\n minute: n,\n second: n,\n timeZoneName: l,\n};\n","/*\n This is just a junk drawer, containing anything used across multiple classes.\n Because Luxon is small(ish), this should stay small and we won't worry about splitting\n it up into, say, parsingUtil.js and basicUtil.js and so on. But they are divided up by feature area.\n*/\n\nimport { InvalidArgumentError } from \"../errors.js\";\n\n/**\n * @private\n */\n\n// TYPES\n\nexport function isUndefined(o) {\n return typeof o === \"undefined\";\n}\n\nexport function isNumber(o) {\n return typeof o === \"number\";\n}\n\nexport function isInteger(o) {\n return typeof o === \"number\" && o % 1 === 0;\n}\n\nexport function isString(o) {\n return typeof o === \"string\";\n}\n\nexport function isDate(o) {\n return Object.prototype.toString.call(o) === \"[object Date]\";\n}\n\n// CAPABILITIES\n\nexport function hasRelative() {\n try {\n return typeof Intl !== \"undefined\" && !!Intl.RelativeTimeFormat;\n } catch (e) {\n return false;\n }\n}\n\n// OBJECTS AND ARRAYS\n\nexport function maybeArray(thing) {\n return Array.isArray(thing) ? thing : [thing];\n}\n\nexport function bestBy(arr, by, compare) {\n if (arr.length === 0) {\n return undefined;\n }\n return arr.reduce((best, next) => {\n const pair = [by(next), next];\n if (!best) {\n return pair;\n } else if (compare(best[0], pair[0]) === best[0]) {\n return best;\n } else {\n return pair;\n }\n }, null)[1];\n}\n\nexport function pick(obj, keys) {\n return keys.reduce((a, k) => {\n a[k] = obj[k];\n return a;\n }, {});\n}\n\nexport function hasOwnProperty(obj, prop) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\n// NUMBERS AND STRINGS\n\nexport function integerBetween(thing, bottom, top) {\n return isInteger(thing) && thing >= bottom && thing <= top;\n}\n\n// x % n but takes the sign of n instead of x\nexport function floorMod(x, n) {\n return x - n * Math.floor(x / n);\n}\n\nexport function padStart(input, n = 2) {\n const isNeg = input < 0;\n let padded;\n if (isNeg) {\n padded = \"-\" + (\"\" + -input).padStart(n, \"0\");\n } else {\n padded = (\"\" + input).padStart(n, \"0\");\n }\n return padded;\n}\n\nexport function parseInteger(string) {\n if (isUndefined(string) || string === null || string === \"\") {\n return undefined;\n } else {\n return parseInt(string, 10);\n }\n}\n\nexport function parseFloating(string) {\n if (isUndefined(string) || string === null || string === \"\") {\n return undefined;\n } else {\n return parseFloat(string);\n }\n}\n\nexport function parseMillis(fraction) {\n // Return undefined (instead of 0) in these cases, where fraction is not set\n if (isUndefined(fraction) || fraction === null || fraction === \"\") {\n return undefined;\n } else {\n const f = parseFloat(\"0.\" + fraction) * 1000;\n return Math.floor(f);\n }\n}\n\nexport function roundTo(number, digits, towardZero = false) {\n const factor = 10 ** digits,\n rounder = towardZero ? Math.trunc : Math.round;\n return rounder(number * factor) / factor;\n}\n\n// DATE BASICS\n\nexport function isLeapYear(year) {\n return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);\n}\n\nexport function daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n}\n\nexport function daysInMonth(year, month) {\n const modMonth = floorMod(month - 1, 12) + 1,\n modYear = year + (month - modMonth) / 12;\n\n if (modMonth === 2) {\n return isLeapYear(modYear) ? 29 : 28;\n } else {\n return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][modMonth - 1];\n }\n}\n\n// covert a calendar object to a local timestamp (epoch, but with the offset baked in)\nexport function objToLocalTS(obj) {\n let d = Date.UTC(\n obj.year,\n obj.month - 1,\n obj.day,\n obj.hour,\n obj.minute,\n obj.second,\n obj.millisecond\n );\n\n // for legacy reasons, years between 0 and 99 are interpreted as 19XX; revert that\n if (obj.year < 100 && obj.year >= 0) {\n d = new Date(d);\n d.setUTCFullYear(d.getUTCFullYear() - 1900);\n }\n return +d;\n}\n\nexport function weeksInWeekYear(weekYear) {\n const p1 =\n (weekYear +\n Math.floor(weekYear / 4) -\n Math.floor(weekYear / 100) +\n Math.floor(weekYear / 400)) %\n 7,\n last = weekYear - 1,\n p2 = (last + Math.floor(last / 4) - Math.floor(last / 100) + Math.floor(last / 400)) % 7;\n return p1 === 4 || p2 === 3 ? 53 : 52;\n}\n\nexport function untruncateYear(year) {\n if (year > 99) {\n return year;\n } else return year > 60 ? 1900 + year : 2000 + year;\n}\n\n// PARSING\n\nexport function parseZoneInfo(ts, offsetFormat, locale, timeZone = null) {\n const date = new Date(ts),\n intlOpts = {\n hourCycle: \"h23\",\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n };\n\n if (timeZone) {\n intlOpts.timeZone = timeZone;\n }\n\n const modified = { timeZoneName: offsetFormat, ...intlOpts };\n\n const parsed = new Intl.DateTimeFormat(locale, modified)\n .formatToParts(date)\n .find((m) => m.type.toLowerCase() === \"timezonename\");\n return parsed ? parsed.value : null;\n}\n\n// signedOffset('-5', '30') -> -330\nexport function signedOffset(offHourStr, offMinuteStr) {\n let offHour = parseInt(offHourStr, 10);\n\n // don't || this because we want to preserve -0\n if (Number.isNaN(offHour)) {\n offHour = 0;\n }\n\n const offMin = parseInt(offMinuteStr, 10) || 0,\n offMinSigned = offHour < 0 || Object.is(offHour, -0) ? -offMin : offMin;\n return offHour * 60 + offMinSigned;\n}\n\n// COERCION\n\nexport function asNumber(value) {\n const numericValue = Number(value);\n if (typeof value === \"boolean\" || value === \"\" || Number.isNaN(numericValue))\n throw new InvalidArgumentError(`Invalid unit value ${value}`);\n return numericValue;\n}\n\nexport function normalizeObject(obj, normalizer) {\n const normalized = {};\n for (const u in obj) {\n if (hasOwnProperty(obj, u)) {\n const v = obj[u];\n if (v === undefined || v === null) continue;\n normalized[normalizer(u)] = asNumber(v);\n }\n }\n return normalized;\n}\n\nexport function formatOffset(offset, format) {\n const hours = Math.trunc(Math.abs(offset / 60)),\n minutes = Math.trunc(Math.abs(offset % 60)),\n sign = offset >= 0 ? \"+\" : \"-\";\n\n switch (format) {\n case \"short\":\n return `${sign}${padStart(hours, 2)}:${padStart(minutes, 2)}`;\n case \"narrow\":\n return `${sign}${hours}${minutes > 0 ? `:${minutes}` : \"\"}`;\n case \"techie\":\n return `${sign}${padStart(hours, 2)}${padStart(minutes, 2)}`;\n default:\n throw new RangeError(`Value format ${format} is out of range for property format`);\n }\n}\n\nexport function timeObject(obj) {\n return pick(obj, [\"hour\", \"minute\", \"second\", \"millisecond\"]);\n}\n\nexport const ianaRegex = /[A-Za-z_+-]{1,256}(:?\\/[A-Za-z0-9_+-]{1,256}(\\/[A-Za-z0-9_+-]{1,256})?)?/;\n","import * as Formats from \"./formats.js\";\nimport { pick } from \"./util.js\";\n\nfunction stringify(obj) {\n return JSON.stringify(obj, Object.keys(obj).sort());\n}\n\n/**\n * @private\n */\n\nexport const monthsLong = [\n \"January\",\n \"February\",\n \"March\",\n \"April\",\n \"May\",\n \"June\",\n \"July\",\n \"August\",\n \"September\",\n \"October\",\n \"November\",\n \"December\",\n];\n\nexport const monthsShort = [\n \"Jan\",\n \"Feb\",\n \"Mar\",\n \"Apr\",\n \"May\",\n \"Jun\",\n \"Jul\",\n \"Aug\",\n \"Sep\",\n \"Oct\",\n \"Nov\",\n \"Dec\",\n];\n\nexport const monthsNarrow = [\"J\", \"F\", \"M\", \"A\", \"M\", \"J\", \"J\", \"A\", \"S\", \"O\", \"N\", \"D\"];\n\nexport function months(length) {\n switch (length) {\n case \"narrow\":\n return [...monthsNarrow];\n case \"short\":\n return [...monthsShort];\n case \"long\":\n return [...monthsLong];\n case \"numeric\":\n return [\"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\", \"10\", \"11\", \"12\"];\n case \"2-digit\":\n return [\"01\", \"02\", \"03\", \"04\", \"05\", \"06\", \"07\", \"08\", \"09\", \"10\", \"11\", \"12\"];\n default:\n return null;\n }\n}\n\nexport const weekdaysLong = [\n \"Monday\",\n \"Tuesday\",\n \"Wednesday\",\n \"Thursday\",\n \"Friday\",\n \"Saturday\",\n \"Sunday\",\n];\n\nexport const weekdaysShort = [\"Mon\", \"Tue\", \"Wed\", \"Thu\", \"Fri\", \"Sat\", \"Sun\"];\n\nexport const weekdaysNarrow = [\"M\", \"T\", \"W\", \"T\", \"F\", \"S\", \"S\"];\n\nexport function weekdays(length) {\n switch (length) {\n case \"narrow\":\n return [...weekdaysNarrow];\n case \"short\":\n return [...weekdaysShort];\n case \"long\":\n return [...weekdaysLong];\n case \"numeric\":\n return [\"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\"];\n default:\n return null;\n }\n}\n\nexport const meridiems = [\"AM\", \"PM\"];\n\nexport const erasLong = [\"Before Christ\", \"Anno Domini\"];\n\nexport const erasShort = [\"BC\", \"AD\"];\n\nexport const erasNarrow = [\"B\", \"A\"];\n\nexport function eras(length) {\n switch (length) {\n case \"narrow\":\n return [...erasNarrow];\n case \"short\":\n return [...erasShort];\n case \"long\":\n return [...erasLong];\n default:\n return null;\n }\n}\n\nexport function meridiemForDateTime(dt) {\n return meridiems[dt.hour < 12 ? 0 : 1];\n}\n\nexport function weekdayForDateTime(dt, length) {\n return weekdays(length)[dt.weekday - 1];\n}\n\nexport function monthForDateTime(dt, length) {\n return months(length)[dt.month - 1];\n}\n\nexport function eraForDateTime(dt, length) {\n return eras(length)[dt.year < 0 ? 0 : 1];\n}\n\nexport function formatRelativeTime(unit, count, numeric = \"always\", narrow = false) {\n const units = {\n years: [\"year\", \"yr.\"],\n quarters: [\"quarter\", \"qtr.\"],\n months: [\"month\", \"mo.\"],\n weeks: [\"week\", \"wk.\"],\n days: [\"day\", \"day\", \"days\"],\n hours: [\"hour\", \"hr.\"],\n minutes: [\"minute\", \"min.\"],\n seconds: [\"second\", \"sec.\"],\n };\n\n const lastable = [\"hours\", \"minutes\", \"seconds\"].indexOf(unit) === -1;\n\n if (numeric === \"auto\" && lastable) {\n const isDay = unit === \"days\";\n switch (count) {\n case 1:\n return isDay ? \"tomorrow\" : `next ${units[unit][0]}`;\n case -1:\n return isDay ? \"yesterday\" : `last ${units[unit][0]}`;\n case 0:\n return isDay ? \"today\" : `this ${units[unit][0]}`;\n default: // fall through\n }\n }\n\n const isInPast = Object.is(count, -0) || count < 0,\n fmtValue = Math.abs(count),\n singular = fmtValue === 1,\n lilUnits = units[unit],\n fmtUnit = narrow\n ? singular\n ? lilUnits[1]\n : lilUnits[2] || lilUnits[1]\n : singular\n ? units[unit][0]\n : unit;\n return isInPast ? `${fmtValue} ${fmtUnit} ago` : `in ${fmtValue} ${fmtUnit}`;\n}\n\nexport function formatString(knownFormat) {\n // these all have the offsets removed because we don't have access to them\n // without all the intl stuff this is backfilling\n const filtered = pick(knownFormat, [\n \"weekday\",\n \"era\",\n \"year\",\n \"month\",\n \"day\",\n \"hour\",\n \"minute\",\n \"second\",\n \"timeZoneName\",\n \"hourCycle\",\n ]),\n key = stringify(filtered),\n dateTimeHuge = \"EEEE, LLLL d, yyyy, h:mm a\";\n switch (key) {\n case stringify(Formats.DATE_SHORT):\n return \"M/d/yyyy\";\n case stringify(Formats.DATE_MED):\n return \"LLL d, yyyy\";\n case stringify(Formats.DATE_MED_WITH_WEEKDAY):\n return \"EEE, LLL d, yyyy\";\n case stringify(Formats.DATE_FULL):\n return \"LLLL d, yyyy\";\n case stringify(Formats.DATE_HUGE):\n return \"EEEE, LLLL d, yyyy\";\n case stringify(Formats.TIME_SIMPLE):\n return \"h:mm a\";\n case stringify(Formats.TIME_WITH_SECONDS):\n return \"h:mm:ss a\";\n case stringify(Formats.TIME_WITH_SHORT_OFFSET):\n return \"h:mm a\";\n case stringify(Formats.TIME_WITH_LONG_OFFSET):\n return \"h:mm a\";\n case stringify(Formats.TIME_24_SIMPLE):\n return \"HH:mm\";\n case stringify(Formats.TIME_24_WITH_SECONDS):\n return \"HH:mm:ss\";\n case stringify(Formats.TIME_24_WITH_SHORT_OFFSET):\n return \"HH:mm\";\n case stringify(Formats.TIME_24_WITH_LONG_OFFSET):\n return \"HH:mm\";\n case stringify(Formats.DATETIME_SHORT):\n return \"M/d/yyyy, h:mm a\";\n case stringify(Formats.DATETIME_MED):\n return \"LLL d, yyyy, h:mm a\";\n case stringify(Formats.DATETIME_FULL):\n return \"LLLL d, yyyy, h:mm a\";\n case stringify(Formats.DATETIME_HUGE):\n return dateTimeHuge;\n case stringify(Formats.DATETIME_SHORT_WITH_SECONDS):\n return \"M/d/yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_MED_WITH_SECONDS):\n return \"LLL d, yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_MED_WITH_WEEKDAY):\n return \"EEE, d LLL yyyy, h:mm a\";\n case stringify(Formats.DATETIME_FULL_WITH_SECONDS):\n return \"LLLL d, yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_HUGE_WITH_SECONDS):\n return \"EEEE, LLLL d, yyyy, h:mm:ss a\";\n default:\n return dateTimeHuge;\n }\n}\n","import * as English from \"./english.js\";\nimport * as Formats from \"./formats.js\";\nimport { padStart } from \"./util.js\";\n\nfunction stringifyTokens(splits, tokenToString) {\n let s = \"\";\n for (const token of splits) {\n if (token.literal) {\n s += token.val;\n } else {\n s += tokenToString(token.val);\n }\n }\n return s;\n}\n\nconst macroTokenToFormatOpts = {\n D: Formats.DATE_SHORT,\n DD: Formats.DATE_MED,\n DDD: Formats.DATE_FULL,\n DDDD: Formats.DATE_HUGE,\n t: Formats.TIME_SIMPLE,\n tt: Formats.TIME_WITH_SECONDS,\n ttt: Formats.TIME_WITH_SHORT_OFFSET,\n tttt: Formats.TIME_WITH_LONG_OFFSET,\n T: Formats.TIME_24_SIMPLE,\n TT: Formats.TIME_24_WITH_SECONDS,\n TTT: Formats.TIME_24_WITH_SHORT_OFFSET,\n TTTT: Formats.TIME_24_WITH_LONG_OFFSET,\n f: Formats.DATETIME_SHORT,\n ff: Formats.DATETIME_MED,\n fff: Formats.DATETIME_FULL,\n ffff: Formats.DATETIME_HUGE,\n F: Formats.DATETIME_SHORT_WITH_SECONDS,\n FF: Formats.DATETIME_MED_WITH_SECONDS,\n FFF: Formats.DATETIME_FULL_WITH_SECONDS,\n FFFF: Formats.DATETIME_HUGE_WITH_SECONDS,\n};\n\n/**\n * @private\n */\n\nexport default class Formatter {\n static create(locale, opts = {}) {\n return new Formatter(locale, opts);\n }\n\n static parseFormat(fmt) {\n let current = null,\n currentFull = \"\",\n bracketed = false;\n const splits = [];\n for (let i = 0; i < fmt.length; i++) {\n const c = fmt.charAt(i);\n if (c === \"'\") {\n if (currentFull.length > 0) {\n splits.push({ literal: bracketed, val: currentFull });\n }\n current = null;\n currentFull = \"\";\n bracketed = !bracketed;\n } else if (bracketed) {\n currentFull += c;\n } else if (c === current) {\n currentFull += c;\n } else {\n if (currentFull.length > 0) {\n splits.push({ literal: false, val: currentFull });\n }\n currentFull = c;\n current = c;\n }\n }\n\n if (currentFull.length > 0) {\n splits.push({ literal: bracketed, val: currentFull });\n }\n\n return splits;\n }\n\n static macroTokenToFormatOpts(token) {\n return macroTokenToFormatOpts[token];\n }\n\n constructor(locale, formatOpts) {\n this.opts = formatOpts;\n this.loc = locale;\n this.systemLoc = null;\n }\n\n formatWithSystemDefault(dt, opts) {\n if (this.systemLoc === null) {\n this.systemLoc = this.loc.redefaultToSystem();\n }\n const df = this.systemLoc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.format();\n }\n\n formatDateTime(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.format();\n }\n\n formatDateTimeParts(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.formatToParts();\n }\n\n resolvedOptions(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.resolvedOptions();\n }\n\n num(n, p = 0) {\n // we get some perf out of doing this here, annoyingly\n if (this.opts.forceSimple) {\n return padStart(n, p);\n }\n\n const opts = { ...this.opts };\n\n if (p > 0) {\n opts.padTo = p;\n }\n\n return this.loc.numberFormatter(opts).format(n);\n }\n\n formatDateTimeFromString(dt, fmt) {\n const knownEnglish = this.loc.listingMode() === \"en\",\n useDateTimeFormatter = this.loc.outputCalendar && this.loc.outputCalendar !== \"gregory\",\n string = (opts, extract) => this.loc.extract(dt, opts, extract),\n formatOffset = (opts) => {\n if (dt.isOffsetFixed && dt.offset === 0 && opts.allowZ) {\n return \"Z\";\n }\n\n return dt.isValid ? dt.zone.formatOffset(dt.ts, opts.format) : \"\";\n },\n meridiem = () =>\n knownEnglish\n ? English.meridiemForDateTime(dt)\n : string({ hour: \"numeric\", hourCycle: \"h12\" }, \"dayperiod\"),\n month = (length, standalone) =>\n knownEnglish\n ? English.monthForDateTime(dt, length)\n : string(standalone ? { month: length } : { month: length, day: \"numeric\" }, \"month\"),\n weekday = (length, standalone) =>\n knownEnglish\n ? English.weekdayForDateTime(dt, length)\n : string(\n standalone ? { weekday: length } : { weekday: length, month: \"long\", day: \"numeric\" },\n \"weekday\"\n ),\n maybeMacro = (token) => {\n const formatOpts = Formatter.macroTokenToFormatOpts(token);\n if (formatOpts) {\n return this.formatWithSystemDefault(dt, formatOpts);\n } else {\n return token;\n }\n },\n era = (length) =>\n knownEnglish ? English.eraForDateTime(dt, length) : string({ era: length }, \"era\"),\n tokenToString = (token) => {\n // Where possible: http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles\n switch (token) {\n // ms\n case \"S\":\n return this.num(dt.millisecond);\n case \"u\":\n // falls through\n case \"SSS\":\n return this.num(dt.millisecond, 3);\n // seconds\n case \"s\":\n return this.num(dt.second);\n case \"ss\":\n return this.num(dt.second, 2);\n // fractional seconds\n case \"uu\":\n return this.num(Math.floor(dt.millisecond / 10), 2);\n case \"uuu\":\n return this.num(Math.floor(dt.millisecond / 100));\n // minutes\n case \"m\":\n return this.num(dt.minute);\n case \"mm\":\n return this.num(dt.minute, 2);\n // hours\n case \"h\":\n return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12);\n case \"hh\":\n return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12, 2);\n case \"H\":\n return this.num(dt.hour);\n case \"HH\":\n return this.num(dt.hour, 2);\n // offset\n case \"Z\":\n // like +6\n return formatOffset({ format: \"narrow\", allowZ: this.opts.allowZ });\n case \"ZZ\":\n // like +06:00\n return formatOffset({ format: \"short\", allowZ: this.opts.allowZ });\n case \"ZZZ\":\n // like +0600\n return formatOffset({ format: \"techie\", allowZ: this.opts.allowZ });\n case \"ZZZZ\":\n // like EST\n return dt.zone.offsetName(dt.ts, { format: \"short\", locale: this.loc.locale });\n case \"ZZZZZ\":\n // like Eastern Standard Time\n return dt.zone.offsetName(dt.ts, { format: \"long\", locale: this.loc.locale });\n // zone\n case \"z\":\n // like America/New_York\n return dt.zoneName;\n // meridiems\n case \"a\":\n return meridiem();\n // dates\n case \"d\":\n return useDateTimeFormatter ? string({ day: \"numeric\" }, \"day\") : this.num(dt.day);\n case \"dd\":\n return useDateTimeFormatter ? string({ day: \"2-digit\" }, \"day\") : this.num(dt.day, 2);\n // weekdays - standalone\n case \"c\":\n // like 1\n return this.num(dt.weekday);\n case \"ccc\":\n // like 'Tues'\n return weekday(\"short\", true);\n case \"cccc\":\n // like 'Tuesday'\n return weekday(\"long\", true);\n case \"ccccc\":\n // like 'T'\n return weekday(\"narrow\", true);\n // weekdays - format\n case \"E\":\n // like 1\n return this.num(dt.weekday);\n case \"EEE\":\n // like 'Tues'\n return weekday(\"short\", false);\n case \"EEEE\":\n // like 'Tuesday'\n return weekday(\"long\", false);\n case \"EEEEE\":\n // like 'T'\n return weekday(\"narrow\", false);\n // months - standalone\n case \"L\":\n // like 1\n return useDateTimeFormatter\n ? string({ month: \"numeric\", day: \"numeric\" }, \"month\")\n : this.num(dt.month);\n case \"LL\":\n // like 01, doesn't seem to work\n return useDateTimeFormatter\n ? string({ month: \"2-digit\", day: \"numeric\" }, \"month\")\n : this.num(dt.month, 2);\n case \"LLL\":\n // like Jan\n return month(\"short\", true);\n case \"LLLL\":\n // like January\n return month(\"long\", true);\n case \"LLLLL\":\n // like J\n return month(\"narrow\", true);\n // months - format\n case \"M\":\n // like 1\n return useDateTimeFormatter\n ? string({ month: \"numeric\" }, \"month\")\n : this.num(dt.month);\n case \"MM\":\n // like 01\n return useDateTimeFormatter\n ? string({ month: \"2-digit\" }, \"month\")\n : this.num(dt.month, 2);\n case \"MMM\":\n // like Jan\n return month(\"short\", false);\n case \"MMMM\":\n // like January\n return month(\"long\", false);\n case \"MMMMM\":\n // like J\n return month(\"narrow\", false);\n // years\n case \"y\":\n // like 2014\n return useDateTimeFormatter ? string({ year: \"numeric\" }, \"year\") : this.num(dt.year);\n case \"yy\":\n // like 14\n return useDateTimeFormatter\n ? string({ year: \"2-digit\" }, \"year\")\n : this.num(dt.year.toString().slice(-2), 2);\n case \"yyyy\":\n // like 0012\n return useDateTimeFormatter\n ? string({ year: \"numeric\" }, \"year\")\n : this.num(dt.year, 4);\n case \"yyyyyy\":\n // like 000012\n return useDateTimeFormatter\n ? string({ year: \"numeric\" }, \"year\")\n : this.num(dt.year, 6);\n // eras\n case \"G\":\n // like AD\n return era(\"short\");\n case \"GG\":\n // like Anno Domini\n return era(\"long\");\n case \"GGGGG\":\n return era(\"narrow\");\n case \"kk\":\n return this.num(dt.weekYear.toString().slice(-2), 2);\n case \"kkkk\":\n return this.num(dt.weekYear, 4);\n case \"W\":\n return this.num(dt.weekNumber);\n case \"WW\":\n return this.num(dt.weekNumber, 2);\n case \"o\":\n return this.num(dt.ordinal);\n case \"ooo\":\n return this.num(dt.ordinal, 3);\n case \"q\":\n // like 1\n return this.num(dt.quarter);\n case \"qq\":\n // like 01\n return this.num(dt.quarter, 2);\n case \"X\":\n return this.num(Math.floor(dt.ts / 1000));\n case \"x\":\n return this.num(dt.ts);\n default:\n return maybeMacro(token);\n }\n };\n\n return stringifyTokens(Formatter.parseFormat(fmt), tokenToString);\n }\n\n formatDurationFromString(dur, fmt) {\n const tokenToField = (token) => {\n switch (token[0]) {\n case \"S\":\n return \"millisecond\";\n case \"s\":\n return \"second\";\n case \"m\":\n return \"minute\";\n case \"h\":\n return \"hour\";\n case \"d\":\n return \"day\";\n case \"M\":\n return \"month\";\n case \"y\":\n return \"year\";\n default:\n return null;\n }\n },\n tokenToString = (lildur) => (token) => {\n const mapped = tokenToField(token);\n if (mapped) {\n return this.num(lildur.get(mapped), token.length);\n } else {\n return token;\n }\n },\n tokens = Formatter.parseFormat(fmt),\n realTokens = tokens.reduce(\n (found, { literal, val }) => (literal ? found : found.concat(val)),\n []\n ),\n collapsed = dur.shiftTo(...realTokens.map(tokenToField).filter((t) => t));\n return stringifyTokens(tokens, tokenToString(collapsed));\n }\n}\n","export default class Invalid {\n constructor(reason, explanation) {\n this.reason = reason;\n this.explanation = explanation;\n }\n\n toMessage() {\n if (this.explanation) {\n return `${this.reason}: ${this.explanation}`;\n } else {\n return this.reason;\n }\n }\n}\n","import { ZoneIsAbstractError } from \"./errors.js\";\n\n/**\n * @interface\n */\nexport default class Zone {\n /**\n * The type of zone\n * @abstract\n * @type {string}\n */\n get type() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * The name of this zone.\n * @abstract\n * @type {string}\n */\n get name() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns whether the offset is known to be fixed for the whole year.\n * @abstract\n * @type {boolean}\n */\n get isUniversal() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns the offset's common name (such as EST) at the specified timestamp\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to get the name\n * @param {Object} opts - Options to affect the format\n * @param {string} opts.format - What style of offset to return. Accepts 'long' or 'short'.\n * @param {string} opts.locale - What locale to return the offset name in.\n * @return {string}\n */\n offsetName(ts, opts) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns the offset's value as a string\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to get the offset\n * @param {string} format - What style of offset to return.\n * Accepts 'narrow', 'short', or 'techie'. Returning '+6', '+06:00', or '+0600' respectively\n * @return {string}\n */\n formatOffset(ts, format) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return the offset in minutes for this zone at the specified timestamp.\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to compute the offset\n * @return {number}\n */\n offset(ts) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return whether this Zone is equal to another zone\n * @abstract\n * @param {Zone} otherZone - the zone to compare\n * @return {boolean}\n */\n equals(otherZone) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return whether this Zone is valid.\n * @abstract\n * @type {boolean}\n */\n get isValid() {\n throw new ZoneIsAbstractError();\n }\n}\n","import { formatOffset, parseZoneInfo } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nlet singleton = null;\n\n/**\n * Represents the local zone for this JavaScript environment.\n * @implements {Zone}\n */\nexport default class SystemZone extends Zone {\n /**\n * Get a singleton instance of the local zone\n * @return {SystemZone}\n */\n static get instance() {\n if (singleton === null) {\n singleton = new SystemZone();\n }\n return singleton;\n }\n\n /** @override **/\n get type() {\n return \"system\";\n }\n\n /** @override **/\n get name() {\n return new Intl.DateTimeFormat().resolvedOptions().timeZone;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName(ts, { format, locale }) {\n return parseZoneInfo(ts, format, locale);\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.offset(ts), format);\n }\n\n /** @override **/\n offset(ts) {\n return -new Date(ts).getTimezoneOffset();\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"system\";\n }\n\n /** @override **/\n get isValid() {\n return true;\n }\n}\n","import { formatOffset, parseZoneInfo, isUndefined, ianaRegex, objToLocalTS } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nconst matchingRegex = RegExp(`^${ianaRegex.source}$`);\n\nlet dtfCache = {};\nfunction makeDTF(zone) {\n if (!dtfCache[zone]) {\n dtfCache[zone] = new Intl.DateTimeFormat(\"en-US\", {\n hour12: false,\n timeZone: zone,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n second: \"2-digit\",\n });\n }\n return dtfCache[zone];\n}\n\nconst typeToPos = {\n year: 0,\n month: 1,\n day: 2,\n hour: 3,\n minute: 4,\n second: 5,\n};\n\nfunction hackyOffset(dtf, date) {\n const formatted = dtf.format(date).replace(/\\u200E/g, \"\"),\n parsed = /(\\d+)\\/(\\d+)\\/(\\d+),? (\\d+):(\\d+):(\\d+)/.exec(formatted),\n [, fMonth, fDay, fYear, fHour, fMinute, fSecond] = parsed;\n return [fYear, fMonth, fDay, fHour, fMinute, fSecond];\n}\n\nfunction partsOffset(dtf, date) {\n const formatted = dtf.formatToParts(date),\n filled = [];\n for (let i = 0; i < formatted.length; i++) {\n const { type, value } = formatted[i],\n pos = typeToPos[type];\n\n if (!isUndefined(pos)) {\n filled[pos] = parseInt(value, 10);\n }\n }\n return filled;\n}\n\nlet ianaZoneCache = {};\n/**\n * A zone identified by an IANA identifier, like America/New_York\n * @implements {Zone}\n */\nexport default class IANAZone extends Zone {\n /**\n * @param {string} name - Zone name\n * @return {IANAZone}\n */\n static create(name) {\n if (!ianaZoneCache[name]) {\n ianaZoneCache[name] = new IANAZone(name);\n }\n return ianaZoneCache[name];\n }\n\n /**\n * Reset local caches. Should only be necessary in testing scenarios.\n * @return {void}\n */\n static resetCache() {\n ianaZoneCache = {};\n dtfCache = {};\n }\n\n /**\n * Returns whether the provided string is a valid specifier. This only checks the string's format, not that the specifier identifies a known zone; see isValidZone for that.\n * @param {string} s - The string to check validity on\n * @example IANAZone.isValidSpecifier(\"America/New_York\") //=> true\n * @example IANAZone.isValidSpecifier(\"Sport~~blorp\") //=> false\n * @deprecated This method returns false some valid IANA names. Use isValidZone instead\n * @return {boolean}\n */\n static isValidSpecifier(s) {\n return this.isValidZone(s);\n }\n\n /**\n * Returns whether the provided string identifies a real zone\n * @param {string} zone - The string to check\n * @example IANAZone.isValidZone(\"America/New_York\") //=> true\n * @example IANAZone.isValidZone(\"Fantasia/Castle\") //=> false\n * @example IANAZone.isValidZone(\"Sport~~blorp\") //=> false\n * @return {boolean}\n */\n static isValidZone(zone) {\n if (!zone) {\n return false;\n }\n try {\n new Intl.DateTimeFormat(\"en-US\", { timeZone: zone }).format();\n return true;\n } catch (e) {\n return false;\n }\n }\n\n constructor(name) {\n super();\n /** @private **/\n this.zoneName = name;\n /** @private **/\n this.valid = IANAZone.isValidZone(name);\n }\n\n /** @override **/\n get type() {\n return \"iana\";\n }\n\n /** @override **/\n get name() {\n return this.zoneName;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName(ts, { format, locale }) {\n return parseZoneInfo(ts, format, locale, this.name);\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.offset(ts), format);\n }\n\n /** @override **/\n offset(ts) {\n const date = new Date(ts);\n\n if (isNaN(date)) return NaN;\n\n const dtf = makeDTF(this.name),\n [year, month, day, hour, minute, second] = dtf.formatToParts\n ? partsOffset(dtf, date)\n : hackyOffset(dtf, date);\n\n // because we're using hour12 and https://bugs.chromium.org/p/chromium/issues/detail?id=1025564&can=2&q=%2224%3A00%22%20datetimeformat\n const adjustedHour = hour === 24 ? 0 : hour;\n\n const asUTC = objToLocalTS({\n year,\n month,\n day,\n hour: adjustedHour,\n minute,\n second,\n millisecond: 0,\n });\n\n let asTS = +date;\n const over = asTS % 1000;\n asTS -= over >= 0 ? over : 1000 + over;\n return (asUTC - asTS) / (60 * 1000);\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"iana\" && otherZone.name === this.name;\n }\n\n /** @override **/\n get isValid() {\n return this.valid;\n }\n}\n","import { formatOffset, signedOffset } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nlet singleton = null;\n\n/**\n * A zone with a fixed offset (meaning no DST)\n * @implements {Zone}\n */\nexport default class FixedOffsetZone extends Zone {\n /**\n * Get a singleton instance of UTC\n * @return {FixedOffsetZone}\n */\n static get utcInstance() {\n if (singleton === null) {\n singleton = new FixedOffsetZone(0);\n }\n return singleton;\n }\n\n /**\n * Get an instance with a specified offset\n * @param {number} offset - The offset in minutes\n * @return {FixedOffsetZone}\n */\n static instance(offset) {\n return offset === 0 ? FixedOffsetZone.utcInstance : new FixedOffsetZone(offset);\n }\n\n /**\n * Get an instance of FixedOffsetZone from a UTC offset string, like \"UTC+6\"\n * @param {string} s - The offset string to parse\n * @example FixedOffsetZone.parseSpecifier(\"UTC+6\")\n * @example FixedOffsetZone.parseSpecifier(\"UTC+06\")\n * @example FixedOffsetZone.parseSpecifier(\"UTC-6:00\")\n * @return {FixedOffsetZone}\n */\n static parseSpecifier(s) {\n if (s) {\n const r = s.match(/^utc(?:([+-]\\d{1,2})(?::(\\d{2}))?)?$/i);\n if (r) {\n return new FixedOffsetZone(signedOffset(r[1], r[2]));\n }\n }\n return null;\n }\n\n constructor(offset) {\n super();\n /** @private **/\n this.fixed = offset;\n }\n\n /** @override **/\n get type() {\n return \"fixed\";\n }\n\n /** @override **/\n get name() {\n return this.fixed === 0 ? \"UTC\" : `UTC${formatOffset(this.fixed, \"narrow\")}`;\n }\n\n /** @override **/\n offsetName() {\n return this.name;\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.fixed, format);\n }\n\n /** @override **/\n get isUniversal() {\n return true;\n }\n\n /** @override **/\n offset() {\n return this.fixed;\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"fixed\" && otherZone.fixed === this.fixed;\n }\n\n /** @override **/\n get isValid() {\n return true;\n }\n}\n","import Zone from \"../zone.js\";\n\n/**\n * A zone that failed to parse. You should never need to instantiate this.\n * @implements {Zone}\n */\nexport default class InvalidZone extends Zone {\n constructor(zoneName) {\n super();\n /** @private */\n this.zoneName = zoneName;\n }\n\n /** @override **/\n get type() {\n return \"invalid\";\n }\n\n /** @override **/\n get name() {\n return this.zoneName;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName() {\n return null;\n }\n\n /** @override **/\n formatOffset() {\n return \"\";\n }\n\n /** @override **/\n offset() {\n return NaN;\n }\n\n /** @override **/\n equals() {\n return false;\n }\n\n /** @override **/\n get isValid() {\n return false;\n }\n}\n","/**\n * @private\n */\n\nimport Zone from \"../zone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport InvalidZone from \"../zones/invalidZone.js\";\n\nimport { isUndefined, isString, isNumber } from \"./util.js\";\n\nexport function normalizeZone(input, defaultZone) {\n let offset;\n if (isUndefined(input) || input === null) {\n return defaultZone;\n } else if (input instanceof Zone) {\n return input;\n } else if (isString(input)) {\n const lowered = input.toLowerCase();\n if (lowered === \"local\" || lowered === \"system\") return defaultZone;\n else if (lowered === \"utc\" || lowered === \"gmt\") return FixedOffsetZone.utcInstance;\n else return FixedOffsetZone.parseSpecifier(lowered) || IANAZone.create(input);\n } else if (isNumber(input)) {\n return FixedOffsetZone.instance(input);\n } else if (typeof input === \"object\" && input.offset && typeof input.offset === \"number\") {\n // This is dumb, but the instanceof check above doesn't seem to really work\n // so we're duck checking it\n return input;\n } else {\n return new InvalidZone(input);\n }\n}\n","import SystemZone from \"./zones/systemZone.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport Locale from \"./impl/locale.js\";\n\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\n\nlet now = () => Date.now(),\n defaultZone = \"system\",\n defaultLocale = null,\n defaultNumberingSystem = null,\n defaultOutputCalendar = null,\n throwOnInvalid;\n\n/**\n * Settings contains static getters and setters that control Luxon's overall behavior. Luxon is a simple library with few options, but the ones it does have live here.\n */\nexport default class Settings {\n /**\n * Get the callback for returning the current timestamp.\n * @type {function}\n */\n static get now() {\n return now;\n }\n\n /**\n * Set the callback for returning the current timestamp.\n * The function should return a number, which will be interpreted as an Epoch millisecond count\n * @type {function}\n * @example Settings.now = () => Date.now() + 3000 // pretend it is 3 seconds in the future\n * @example Settings.now = () => 0 // always pretend it's Jan 1, 1970 at midnight in UTC time\n */\n static set now(n) {\n now = n;\n }\n\n /**\n * Set the default time zone to create DateTimes in. Does not affect existing instances.\n * Use the value \"system\" to reset this value to the system's time zone.\n * @type {string}\n */\n static set defaultZone(zone) {\n defaultZone = zone;\n }\n\n /**\n * Get the default time zone object currently used to create DateTimes. Does not affect existing instances.\n * The default value is the system's time zone (the one set on the machine that runs this code).\n * @type {Zone}\n */\n static get defaultZone() {\n return normalizeZone(defaultZone, SystemZone.instance);\n }\n\n /**\n * Get the default locale to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultLocale() {\n return defaultLocale;\n }\n\n /**\n * Set the default locale to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultLocale(locale) {\n defaultLocale = locale;\n }\n\n /**\n * Get the default numbering system to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultNumberingSystem() {\n return defaultNumberingSystem;\n }\n\n /**\n * Set the default numbering system to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultNumberingSystem(numberingSystem) {\n defaultNumberingSystem = numberingSystem;\n }\n\n /**\n * Get the default output calendar to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultOutputCalendar() {\n return defaultOutputCalendar;\n }\n\n /**\n * Set the default output calendar to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultOutputCalendar(outputCalendar) {\n defaultOutputCalendar = outputCalendar;\n }\n\n /**\n * Get whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals\n * @type {boolean}\n */\n static get throwOnInvalid() {\n return throwOnInvalid;\n }\n\n /**\n * Set whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals\n * @type {boolean}\n */\n static set throwOnInvalid(t) {\n throwOnInvalid = t;\n }\n\n /**\n * Reset Luxon's global caches. Should only be necessary in testing scenarios.\n * @return {void}\n */\n static resetCaches() {\n Locale.resetCache();\n IANAZone.resetCache();\n }\n}\n","import { padStart, roundTo, hasRelative } from \"./util.js\";\nimport * as English from \"./english.js\";\nimport Settings from \"../settings.js\";\nimport DateTime from \"../datetime.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\n\n// todo - remap caching\n\nlet intlLFCache = {};\nfunction getCachedLF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let dtf = intlLFCache[key];\n if (!dtf) {\n dtf = new Intl.ListFormat(locString, opts);\n intlLFCache[key] = dtf;\n }\n return dtf;\n}\n\nlet intlDTCache = {};\nfunction getCachedDTF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let dtf = intlDTCache[key];\n if (!dtf) {\n dtf = new Intl.DateTimeFormat(locString, opts);\n intlDTCache[key] = dtf;\n }\n return dtf;\n}\n\nlet intlNumCache = {};\nfunction getCachedINF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let inf = intlNumCache[key];\n if (!inf) {\n inf = new Intl.NumberFormat(locString, opts);\n intlNumCache[key] = inf;\n }\n return inf;\n}\n\nlet intlRelCache = {};\nfunction getCachedRTF(locString, opts = {}) {\n const { base, ...cacheKeyOpts } = opts; // exclude `base` from the options\n const key = JSON.stringify([locString, cacheKeyOpts]);\n let inf = intlRelCache[key];\n if (!inf) {\n inf = new Intl.RelativeTimeFormat(locString, opts);\n intlRelCache[key] = inf;\n }\n return inf;\n}\n\nlet sysLocaleCache = null;\nfunction systemLocale() {\n if (sysLocaleCache) {\n return sysLocaleCache;\n } else {\n sysLocaleCache = new Intl.DateTimeFormat().resolvedOptions().locale;\n return sysLocaleCache;\n }\n}\n\nfunction parseLocaleString(localeStr) {\n // I really want to avoid writing a BCP 47 parser\n // see, e.g. https://github.com/wooorm/bcp-47\n // Instead, we'll do this:\n\n // a) if the string has no -u extensions, just leave it alone\n // b) if it does, use Intl to resolve everything\n // c) if Intl fails, try again without the -u\n\n const uIndex = localeStr.indexOf(\"-u-\");\n if (uIndex === -1) {\n return [localeStr];\n } else {\n let options;\n const smaller = localeStr.substring(0, uIndex);\n try {\n options = getCachedDTF(localeStr).resolvedOptions();\n } catch (e) {\n options = getCachedDTF(smaller).resolvedOptions();\n }\n\n const { numberingSystem, calendar } = options;\n // return the smaller one so that we can append the calendar and numbering overrides to it\n return [smaller, numberingSystem, calendar];\n }\n}\n\nfunction intlConfigString(localeStr, numberingSystem, outputCalendar) {\n if (outputCalendar || numberingSystem) {\n localeStr += \"-u\";\n\n if (outputCalendar) {\n localeStr += `-ca-${outputCalendar}`;\n }\n\n if (numberingSystem) {\n localeStr += `-nu-${numberingSystem}`;\n }\n return localeStr;\n } else {\n return localeStr;\n }\n}\n\nfunction mapMonths(f) {\n const ms = [];\n for (let i = 1; i <= 12; i++) {\n const dt = DateTime.utc(2016, i, 1);\n ms.push(f(dt));\n }\n return ms;\n}\n\nfunction mapWeekdays(f) {\n const ms = [];\n for (let i = 1; i <= 7; i++) {\n const dt = DateTime.utc(2016, 11, 13 + i);\n ms.push(f(dt));\n }\n return ms;\n}\n\nfunction listStuff(loc, length, defaultOK, englishFn, intlFn) {\n const mode = loc.listingMode(defaultOK);\n\n if (mode === \"error\") {\n return null;\n } else if (mode === \"en\") {\n return englishFn(length);\n } else {\n return intlFn(length);\n }\n}\n\nfunction supportsFastNumbers(loc) {\n if (loc.numberingSystem && loc.numberingSystem !== \"latn\") {\n return false;\n } else {\n return (\n loc.numberingSystem === \"latn\" ||\n !loc.locale ||\n loc.locale.startsWith(\"en\") ||\n new Intl.DateTimeFormat(loc.intl).resolvedOptions().numberingSystem === \"latn\"\n );\n }\n}\n\n/**\n * @private\n */\n\nclass PolyNumberFormatter {\n constructor(intl, forceSimple, opts) {\n this.padTo = opts.padTo || 0;\n this.floor = opts.floor || false;\n\n const { padTo, floor, ...otherOpts } = opts;\n\n if (!forceSimple || Object.keys(otherOpts).length > 0) {\n const intlOpts = { useGrouping: false, ...opts };\n if (opts.padTo > 0) intlOpts.minimumIntegerDigits = opts.padTo;\n this.inf = getCachedINF(intl, intlOpts);\n }\n }\n\n format(i) {\n if (this.inf) {\n const fixed = this.floor ? Math.floor(i) : i;\n return this.inf.format(fixed);\n } else {\n // to match the browser's numberformatter defaults\n const fixed = this.floor ? Math.floor(i) : roundTo(i, 3);\n return padStart(fixed, this.padTo);\n }\n }\n}\n\n/**\n * @private\n */\n\nclass PolyDateFormatter {\n constructor(dt, intl, opts) {\n this.opts = opts;\n\n let z;\n if (dt.zone.isUniversal) {\n // UTC-8 or Etc/UTC-8 are not part of tzdata, only Etc/GMT+8 and the like.\n // That is why fixed-offset TZ is set to that unless it is:\n // 1. Representing offset 0 when UTC is used to maintain previous behavior and does not become GMT.\n // 2. Unsupported by the browser:\n // - some do not support Etc/\n // - < Etc/GMT-14, > Etc/GMT+12, and 30-minute or 45-minute offsets are not part of tzdata\n const gmtOffset = -1 * (dt.offset / 60);\n const offsetZ = gmtOffset >= 0 ? `Etc/GMT+${gmtOffset}` : `Etc/GMT${gmtOffset}`;\n if (dt.offset !== 0 && IANAZone.create(offsetZ).valid) {\n z = offsetZ;\n this.dt = dt;\n } else {\n // Not all fixed-offset zones like Etc/+4:30 are present in tzdata.\n // So we have to make do. Two cases:\n // 1. The format options tell us to show the zone. We can't do that, so the best\n // we can do is format the date in UTC.\n // 2. The format options don't tell us to show the zone. Then we can adjust them\n // the time and tell the formatter to show it to us in UTC, so that the time is right\n // and the bad zone doesn't show up.\n z = \"UTC\";\n if (opts.timeZoneName) {\n this.dt = dt;\n } else {\n this.dt = dt.offset === 0 ? dt : DateTime.fromMillis(dt.ts + dt.offset * 60 * 1000);\n }\n }\n } else if (dt.zone.type === \"system\") {\n this.dt = dt;\n } else {\n this.dt = dt;\n z = dt.zone.name;\n }\n\n const intlOpts = { ...this.opts };\n if (z) {\n intlOpts.timeZone = z;\n }\n this.dtf = getCachedDTF(intl, intlOpts);\n }\n\n format() {\n return this.dtf.format(this.dt.toJSDate());\n }\n\n formatToParts() {\n return this.dtf.formatToParts(this.dt.toJSDate());\n }\n\n resolvedOptions() {\n return this.dtf.resolvedOptions();\n }\n}\n\n/**\n * @private\n */\nclass PolyRelFormatter {\n constructor(intl, isEnglish, opts) {\n this.opts = { style: \"long\", ...opts };\n if (!isEnglish && hasRelative()) {\n this.rtf = getCachedRTF(intl, opts);\n }\n }\n\n format(count, unit) {\n if (this.rtf) {\n return this.rtf.format(count, unit);\n } else {\n return English.formatRelativeTime(unit, count, this.opts.numeric, this.opts.style !== \"long\");\n }\n }\n\n formatToParts(count, unit) {\n if (this.rtf) {\n return this.rtf.formatToParts(count, unit);\n } else {\n return [];\n }\n }\n}\n\n/**\n * @private\n */\n\nexport default class Locale {\n static fromOpts(opts) {\n return Locale.create(opts.locale, opts.numberingSystem, opts.outputCalendar, opts.defaultToEN);\n }\n\n static create(locale, numberingSystem, outputCalendar, defaultToEN = false) {\n const specifiedLocale = locale || Settings.defaultLocale;\n // the system locale is useful for human readable strings but annoying for parsing/formatting known formats\n const localeR = specifiedLocale || (defaultToEN ? \"en-US\" : systemLocale());\n const numberingSystemR = numberingSystem || Settings.defaultNumberingSystem;\n const outputCalendarR = outputCalendar || Settings.defaultOutputCalendar;\n return new Locale(localeR, numberingSystemR, outputCalendarR, specifiedLocale);\n }\n\n static resetCache() {\n sysLocaleCache = null;\n intlDTCache = {};\n intlNumCache = {};\n intlRelCache = {};\n }\n\n static fromObject({ locale, numberingSystem, outputCalendar } = {}) {\n return Locale.create(locale, numberingSystem, outputCalendar);\n }\n\n constructor(locale, numbering, outputCalendar, specifiedLocale) {\n const [parsedLocale, parsedNumberingSystem, parsedOutputCalendar] = parseLocaleString(locale);\n\n this.locale = parsedLocale;\n this.numberingSystem = numbering || parsedNumberingSystem || null;\n this.outputCalendar = outputCalendar || parsedOutputCalendar || null;\n this.intl = intlConfigString(this.locale, this.numberingSystem, this.outputCalendar);\n\n this.weekdaysCache = { format: {}, standalone: {} };\n this.monthsCache = { format: {}, standalone: {} };\n this.meridiemCache = null;\n this.eraCache = {};\n\n this.specifiedLocale = specifiedLocale;\n this.fastNumbersCached = null;\n }\n\n get fastNumbers() {\n if (this.fastNumbersCached == null) {\n this.fastNumbersCached = supportsFastNumbers(this);\n }\n\n return this.fastNumbersCached;\n }\n\n listingMode() {\n const isActuallyEn = this.isEnglish();\n const hasNoWeirdness =\n (this.numberingSystem === null || this.numberingSystem === \"latn\") &&\n (this.outputCalendar === null || this.outputCalendar === \"gregory\");\n return isActuallyEn && hasNoWeirdness ? \"en\" : \"intl\";\n }\n\n clone(alts) {\n if (!alts || Object.getOwnPropertyNames(alts).length === 0) {\n return this;\n } else {\n return Locale.create(\n alts.locale || this.specifiedLocale,\n alts.numberingSystem || this.numberingSystem,\n alts.outputCalendar || this.outputCalendar,\n alts.defaultToEN || false\n );\n }\n }\n\n redefaultToEN(alts = {}) {\n return this.clone({ ...alts, defaultToEN: true });\n }\n\n redefaultToSystem(alts = {}) {\n return this.clone({ ...alts, defaultToEN: false });\n }\n\n months(length, format = false, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.months, () => {\n const intl = format ? { month: length, day: \"numeric\" } : { month: length },\n formatStr = format ? \"format\" : \"standalone\";\n if (!this.monthsCache[formatStr][length]) {\n this.monthsCache[formatStr][length] = mapMonths((dt) => this.extract(dt, intl, \"month\"));\n }\n return this.monthsCache[formatStr][length];\n });\n }\n\n weekdays(length, format = false, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.weekdays, () => {\n const intl = format\n ? { weekday: length, year: \"numeric\", month: \"long\", day: \"numeric\" }\n : { weekday: length },\n formatStr = format ? \"format\" : \"standalone\";\n if (!this.weekdaysCache[formatStr][length]) {\n this.weekdaysCache[formatStr][length] = mapWeekdays((dt) =>\n this.extract(dt, intl, \"weekday\")\n );\n }\n return this.weekdaysCache[formatStr][length];\n });\n }\n\n meridiems(defaultOK = true) {\n return listStuff(\n this,\n undefined,\n defaultOK,\n () => English.meridiems,\n () => {\n // In theory there could be aribitrary day periods. We're gonna assume there are exactly two\n // for AM and PM. This is probably wrong, but it's makes parsing way easier.\n if (!this.meridiemCache) {\n const intl = { hour: \"numeric\", hourCycle: \"h12\" };\n this.meridiemCache = [DateTime.utc(2016, 11, 13, 9), DateTime.utc(2016, 11, 13, 19)].map(\n (dt) => this.extract(dt, intl, \"dayperiod\")\n );\n }\n\n return this.meridiemCache;\n }\n );\n }\n\n eras(length, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.eras, () => {\n const intl = { era: length };\n\n // This is problematic. Different calendars are going to define eras totally differently. What I need is the minimum set of dates\n // to definitely enumerate them.\n if (!this.eraCache[length]) {\n this.eraCache[length] = [DateTime.utc(-40, 1, 1), DateTime.utc(2017, 1, 1)].map((dt) =>\n this.extract(dt, intl, \"era\")\n );\n }\n\n return this.eraCache[length];\n });\n }\n\n extract(dt, intlOpts, field) {\n const df = this.dtFormatter(dt, intlOpts),\n results = df.formatToParts(),\n matching = results.find((m) => m.type.toLowerCase() === field);\n return matching ? matching.value : null;\n }\n\n numberFormatter(opts = {}) {\n // this forcesimple option is never used (the only caller short-circuits on it, but it seems safer to leave)\n // (in contrast, the rest of the condition is used heavily)\n return new PolyNumberFormatter(this.intl, opts.forceSimple || this.fastNumbers, opts);\n }\n\n dtFormatter(dt, intlOpts = {}) {\n return new PolyDateFormatter(dt, this.intl, intlOpts);\n }\n\n relFormatter(opts = {}) {\n return new PolyRelFormatter(this.intl, this.isEnglish(), opts);\n }\n\n listFormatter(opts = {}) {\n return getCachedLF(this.intl, opts);\n }\n\n isEnglish() {\n return (\n this.locale === \"en\" ||\n this.locale.toLowerCase() === \"en-us\" ||\n new Intl.DateTimeFormat(this.intl).resolvedOptions().locale.startsWith(\"en-us\")\n );\n }\n\n equals(other) {\n return (\n this.locale === other.locale &&\n this.numberingSystem === other.numberingSystem &&\n this.outputCalendar === other.outputCalendar\n );\n }\n}\n","import {\n untruncateYear,\n signedOffset,\n parseInteger,\n parseMillis,\n ianaRegex,\n isUndefined,\n parseFloating,\n} from \"./util.js\";\nimport * as English from \"./english.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\n\n/*\n * This file handles parsing for well-specified formats. Here's how it works:\n * Two things go into parsing: a regex to match with and an extractor to take apart the groups in the match.\n * An extractor is just a function that takes a regex match array and returns a { year: ..., month: ... } object\n * parse() does the work of executing the regex and applying the extractor. It takes multiple regex/extractor pairs to try in sequence.\n * Extractors can take a \"cursor\" representing the offset in the match to look at. This makes it easy to combine extractors.\n * combineExtractors() does the work of combining them, keeping track of the cursor through multiple extractions.\n * Some extractions are super dumb and simpleParse and fromStrings help DRY them.\n */\n\nfunction combineRegexes(...regexes) {\n const full = regexes.reduce((f, r) => f + r.source, \"\");\n return RegExp(`^${full}$`);\n}\n\nfunction combineExtractors(...extractors) {\n return (m) =>\n extractors\n .reduce(\n ([mergedVals, mergedZone, cursor], ex) => {\n const [val, zone, next] = ex(m, cursor);\n return [{ ...mergedVals, ...val }, mergedZone || zone, next];\n },\n [{}, null, 1]\n )\n .slice(0, 2);\n}\n\nfunction parse(s, ...patterns) {\n if (s == null) {\n return [null, null];\n }\n\n for (const [regex, extractor] of patterns) {\n const m = regex.exec(s);\n if (m) {\n return extractor(m);\n }\n }\n return [null, null];\n}\n\nfunction simpleParse(...keys) {\n return (match, cursor) => {\n const ret = {};\n let i;\n\n for (i = 0; i < keys.length; i++) {\n ret[keys[i]] = parseInteger(match[cursor + i]);\n }\n return [ret, null, cursor + i];\n };\n}\n\n// ISO and SQL parsing\nconst offsetRegex = /(?:(Z)|([+-]\\d\\d)(?::?(\\d\\d))?)/,\n isoTimeBaseRegex = /(\\d\\d)(?::?(\\d\\d)(?::?(\\d\\d)(?:[.,](\\d{1,30}))?)?)?/,\n isoTimeRegex = RegExp(`${isoTimeBaseRegex.source}${offsetRegex.source}?`),\n isoTimeExtensionRegex = RegExp(`(?:T${isoTimeRegex.source})?`),\n isoYmdRegex = /([+-]\\d{6}|\\d{4})(?:-?(\\d\\d)(?:-?(\\d\\d))?)?/,\n isoWeekRegex = /(\\d{4})-?W(\\d\\d)(?:-?(\\d))?/,\n isoOrdinalRegex = /(\\d{4})-?(\\d{3})/,\n extractISOWeekData = simpleParse(\"weekYear\", \"weekNumber\", \"weekDay\"),\n extractISOOrdinalData = simpleParse(\"year\", \"ordinal\"),\n sqlYmdRegex = /(\\d{4})-(\\d\\d)-(\\d\\d)/, // dumbed-down version of the ISO one\n sqlTimeRegex = RegExp(\n `${isoTimeBaseRegex.source} ?(?:${offsetRegex.source}|(${ianaRegex.source}))?`\n ),\n sqlTimeExtensionRegex = RegExp(`(?: ${sqlTimeRegex.source})?`);\n\nfunction int(match, pos, fallback) {\n const m = match[pos];\n return isUndefined(m) ? fallback : parseInteger(m);\n}\n\nfunction extractISOYmd(match, cursor) {\n const item = {\n year: int(match, cursor),\n month: int(match, cursor + 1, 1),\n day: int(match, cursor + 2, 1),\n };\n\n return [item, null, cursor + 3];\n}\n\nfunction extractISOTime(match, cursor) {\n const item = {\n hours: int(match, cursor, 0),\n minutes: int(match, cursor + 1, 0),\n seconds: int(match, cursor + 2, 0),\n milliseconds: parseMillis(match[cursor + 3]),\n };\n\n return [item, null, cursor + 4];\n}\n\nfunction extractISOOffset(match, cursor) {\n const local = !match[cursor] && !match[cursor + 1],\n fullOffset = signedOffset(match[cursor + 1], match[cursor + 2]),\n zone = local ? null : FixedOffsetZone.instance(fullOffset);\n return [{}, zone, cursor + 3];\n}\n\nfunction extractIANAZone(match, cursor) {\n const zone = match[cursor] ? IANAZone.create(match[cursor]) : null;\n return [{}, zone, cursor + 1];\n}\n\n// ISO time parsing\n\nconst isoTimeOnly = RegExp(`^T?${isoTimeBaseRegex.source}$`);\n\n// ISO duration parsing\n\nconst isoDuration =\n /^-?P(?:(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)Y)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)M)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)W)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)D)?(?:T(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)H)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)M)?(?:(-?\\d{1,20})(?:[.,](-?\\d{1,9}))?S)?)?)$/;\n\nfunction extractISODuration(match) {\n const [s, yearStr, monthStr, weekStr, dayStr, hourStr, minuteStr, secondStr, millisecondsStr] =\n match;\n\n const hasNegativePrefix = s[0] === \"-\";\n const negativeSeconds = secondStr && secondStr[0] === \"-\";\n\n const maybeNegate = (num, force = false) =>\n num !== undefined && (force || (num && hasNegativePrefix)) ? -num : num;\n\n return [\n {\n years: maybeNegate(parseFloating(yearStr)),\n months: maybeNegate(parseFloating(monthStr)),\n weeks: maybeNegate(parseFloating(weekStr)),\n days: maybeNegate(parseFloating(dayStr)),\n hours: maybeNegate(parseFloating(hourStr)),\n minutes: maybeNegate(parseFloating(minuteStr)),\n seconds: maybeNegate(parseFloating(secondStr), secondStr === \"-0\"),\n milliseconds: maybeNegate(parseMillis(millisecondsStr), negativeSeconds),\n },\n ];\n}\n\n// These are a little braindead. EDT *should* tell us that we're in, say, America/New_York\n// and not just that we're in -240 *right now*. But since I don't think these are used that often\n// I'm just going to ignore that\nconst obsOffsets = {\n GMT: 0,\n EDT: -4 * 60,\n EST: -5 * 60,\n CDT: -5 * 60,\n CST: -6 * 60,\n MDT: -6 * 60,\n MST: -7 * 60,\n PDT: -7 * 60,\n PST: -8 * 60,\n};\n\nfunction fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {\n const result = {\n year: yearStr.length === 2 ? untruncateYear(parseInteger(yearStr)) : parseInteger(yearStr),\n month: English.monthsShort.indexOf(monthStr) + 1,\n day: parseInteger(dayStr),\n hour: parseInteger(hourStr),\n minute: parseInteger(minuteStr),\n };\n\n if (secondStr) result.second = parseInteger(secondStr);\n if (weekdayStr) {\n result.weekday =\n weekdayStr.length > 3\n ? English.weekdaysLong.indexOf(weekdayStr) + 1\n : English.weekdaysShort.indexOf(weekdayStr) + 1;\n }\n\n return result;\n}\n\n// RFC 2822/5322\nconst rfc2822 =\n /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s)?(\\d{1,2})\\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(\\d{2,4})\\s(\\d\\d):(\\d\\d)(?::(\\d\\d))?\\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|(?:([+-]\\d\\d)(\\d\\d)))$/;\n\nfunction extractRFC2822(match) {\n const [\n ,\n weekdayStr,\n dayStr,\n monthStr,\n yearStr,\n hourStr,\n minuteStr,\n secondStr,\n obsOffset,\n milOffset,\n offHourStr,\n offMinuteStr,\n ] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n\n let offset;\n if (obsOffset) {\n offset = obsOffsets[obsOffset];\n } else if (milOffset) {\n offset = 0;\n } else {\n offset = signedOffset(offHourStr, offMinuteStr);\n }\n\n return [result, new FixedOffsetZone(offset)];\n}\n\nfunction preprocessRFC2822(s) {\n // Remove comments and folding whitespace and replace multiple-spaces with a single space\n return s\n .replace(/\\([^)]*\\)|[\\n\\t]/g, \" \")\n .replace(/(\\s\\s+)/g, \" \")\n .trim();\n}\n\n// http date\n\nconst rfc1123 =\n /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\\d\\d) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\\d{4}) (\\d\\d):(\\d\\d):(\\d\\d) GMT$/,\n rfc850 =\n /^(Monday|Tuesday|Wedsday|Thursday|Friday|Saturday|Sunday), (\\d\\d)-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\\d\\d) (\\d\\d):(\\d\\d):(\\d\\d) GMT$/,\n ascii =\n /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( \\d|\\d\\d) (\\d\\d):(\\d\\d):(\\d\\d) (\\d{4})$/;\n\nfunction extractRFC1123Or850(match) {\n const [, weekdayStr, dayStr, monthStr, yearStr, hourStr, minuteStr, secondStr] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n return [result, FixedOffsetZone.utcInstance];\n}\n\nfunction extractASCII(match) {\n const [, weekdayStr, monthStr, dayStr, hourStr, minuteStr, secondStr, yearStr] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n return [result, FixedOffsetZone.utcInstance];\n}\n\nconst isoYmdWithTimeExtensionRegex = combineRegexes(isoYmdRegex, isoTimeExtensionRegex);\nconst isoWeekWithTimeExtensionRegex = combineRegexes(isoWeekRegex, isoTimeExtensionRegex);\nconst isoOrdinalWithTimeExtensionRegex = combineRegexes(isoOrdinalRegex, isoTimeExtensionRegex);\nconst isoTimeCombinedRegex = combineRegexes(isoTimeRegex);\n\nconst extractISOYmdTimeAndOffset = combineExtractors(\n extractISOYmd,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOWeekTimeAndOffset = combineExtractors(\n extractISOWeekData,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOOrdinalDateAndTime = combineExtractors(\n extractISOOrdinalData,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOTimeAndOffset = combineExtractors(extractISOTime, extractISOOffset);\n\n/**\n * @private\n */\n\nexport function parseISODate(s) {\n return parse(\n s,\n [isoYmdWithTimeExtensionRegex, extractISOYmdTimeAndOffset],\n [isoWeekWithTimeExtensionRegex, extractISOWeekTimeAndOffset],\n [isoOrdinalWithTimeExtensionRegex, extractISOOrdinalDateAndTime],\n [isoTimeCombinedRegex, extractISOTimeAndOffset]\n );\n}\n\nexport function parseRFC2822Date(s) {\n return parse(preprocessRFC2822(s), [rfc2822, extractRFC2822]);\n}\n\nexport function parseHTTPDate(s) {\n return parse(\n s,\n [rfc1123, extractRFC1123Or850],\n [rfc850, extractRFC1123Or850],\n [ascii, extractASCII]\n );\n}\n\nexport function parseISODuration(s) {\n return parse(s, [isoDuration, extractISODuration]);\n}\n\nconst extractISOTimeOnly = combineExtractors(extractISOTime);\n\nexport function parseISOTimeOnly(s) {\n return parse(s, [isoTimeOnly, extractISOTimeOnly]);\n}\n\nconst sqlYmdWithTimeExtensionRegex = combineRegexes(sqlYmdRegex, sqlTimeExtensionRegex);\nconst sqlTimeCombinedRegex = combineRegexes(sqlTimeRegex);\n\nconst extractISOYmdTimeOffsetAndIANAZone = combineExtractors(\n extractISOYmd,\n extractISOTime,\n extractISOOffset,\n extractIANAZone\n);\nconst extractISOTimeOffsetAndIANAZone = combineExtractors(\n extractISOTime,\n extractISOOffset,\n extractIANAZone\n);\n\nexport function parseSQL(s) {\n return parse(\n s,\n [sqlYmdWithTimeExtensionRegex, extractISOYmdTimeOffsetAndIANAZone],\n [sqlTimeCombinedRegex, extractISOTimeOffsetAndIANAZone]\n );\n}\n","import { InvalidArgumentError, InvalidDurationError, InvalidUnitError } from \"./errors.js\";\nimport Formatter from \"./impl/formatter.js\";\nimport Invalid from \"./impl/invalid.js\";\nimport Locale from \"./impl/locale.js\";\nimport { parseISODuration, parseISOTimeOnly } from \"./impl/regexParser.js\";\nimport {\n asNumber,\n hasOwnProperty,\n isInteger,\n isNumber,\n isUndefined,\n normalizeObject,\n roundTo,\n} from \"./impl/util.js\";\nimport Settings from \"./settings.js\";\n\nconst INVALID = \"Invalid Duration\";\n\n// unit conversion constants\nexport const lowOrderMatrix = {\n weeks: {\n days: 7,\n hours: 7 * 24,\n minutes: 7 * 24 * 60,\n seconds: 7 * 24 * 60 * 60,\n milliseconds: 7 * 24 * 60 * 60 * 1000,\n },\n days: {\n hours: 24,\n minutes: 24 * 60,\n seconds: 24 * 60 * 60,\n milliseconds: 24 * 60 * 60 * 1000,\n },\n hours: { minutes: 60, seconds: 60 * 60, milliseconds: 60 * 60 * 1000 },\n minutes: { seconds: 60, milliseconds: 60 * 1000 },\n seconds: { milliseconds: 1000 },\n },\n casualMatrix = {\n years: {\n quarters: 4,\n months: 12,\n weeks: 52,\n days: 365,\n hours: 365 * 24,\n minutes: 365 * 24 * 60,\n seconds: 365 * 24 * 60 * 60,\n milliseconds: 365 * 24 * 60 * 60 * 1000,\n },\n quarters: {\n months: 3,\n weeks: 13,\n days: 91,\n hours: 91 * 24,\n minutes: 91 * 24 * 60,\n seconds: 91 * 24 * 60 * 60,\n milliseconds: 91 * 24 * 60 * 60 * 1000,\n },\n months: {\n weeks: 4,\n days: 30,\n hours: 30 * 24,\n minutes: 30 * 24 * 60,\n seconds: 30 * 24 * 60 * 60,\n milliseconds: 30 * 24 * 60 * 60 * 1000,\n },\n\n ...lowOrderMatrix,\n },\n daysInYearAccurate = 146097.0 / 400,\n daysInMonthAccurate = 146097.0 / 4800,\n accurateMatrix = {\n years: {\n quarters: 4,\n months: 12,\n weeks: daysInYearAccurate / 7,\n days: daysInYearAccurate,\n hours: daysInYearAccurate * 24,\n minutes: daysInYearAccurate * 24 * 60,\n seconds: daysInYearAccurate * 24 * 60 * 60,\n milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000,\n },\n quarters: {\n months: 3,\n weeks: daysInYearAccurate / 28,\n days: daysInYearAccurate / 4,\n hours: (daysInYearAccurate * 24) / 4,\n minutes: (daysInYearAccurate * 24 * 60) / 4,\n seconds: (daysInYearAccurate * 24 * 60 * 60) / 4,\n milliseconds: (daysInYearAccurate * 24 * 60 * 60 * 1000) / 4,\n },\n months: {\n weeks: daysInMonthAccurate / 7,\n days: daysInMonthAccurate,\n hours: daysInMonthAccurate * 24,\n minutes: daysInMonthAccurate * 24 * 60,\n seconds: daysInMonthAccurate * 24 * 60 * 60,\n milliseconds: daysInMonthAccurate * 24 * 60 * 60 * 1000,\n },\n ...lowOrderMatrix,\n };\n\n// units ordered by size\nconst orderedUnits = [\n \"years\",\n \"quarters\",\n \"months\",\n \"weeks\",\n \"days\",\n \"hours\",\n \"minutes\",\n \"seconds\",\n \"milliseconds\",\n];\n\nconst reverseUnits = orderedUnits.slice(0).reverse();\n\n// clone really means \"create another instance just like this one, but with these changes\"\nfunction clone(dur, alts, clear = false) {\n // deep merge for vals\n const conf = {\n values: clear ? alts.values : { ...dur.values, ...(alts.values || {}) },\n loc: dur.loc.clone(alts.loc),\n conversionAccuracy: alts.conversionAccuracy || dur.conversionAccuracy,\n };\n return new Duration(conf);\n}\n\nfunction antiTrunc(n) {\n return n < 0 ? Math.floor(n) : Math.ceil(n);\n}\n\n// NB: mutates parameters\nfunction convert(matrix, fromMap, fromUnit, toMap, toUnit) {\n const conv = matrix[toUnit][fromUnit],\n raw = fromMap[fromUnit] / conv,\n sameSign = Math.sign(raw) === Math.sign(toMap[toUnit]),\n // ok, so this is wild, but see the matrix in the tests\n added =\n !sameSign && toMap[toUnit] !== 0 && Math.abs(raw) <= 1 ? antiTrunc(raw) : Math.trunc(raw);\n toMap[toUnit] += added;\n fromMap[fromUnit] -= added * conv;\n}\n\n// NB: mutates parameters\nfunction normalizeValues(matrix, vals) {\n reverseUnits.reduce((previous, current) => {\n if (!isUndefined(vals[current])) {\n if (previous) {\n convert(matrix, vals, previous, vals, current);\n }\n return current;\n } else {\n return previous;\n }\n }, null);\n}\n\n/**\n * A Duration object represents a period of time, like \"2 months\" or \"1 day, 1 hour\". Conceptually, it's just a map of units to their quantities, accompanied by some additional configuration and methods for creating, parsing, interrogating, transforming, and formatting them. They can be used on their own or in conjunction with other Luxon types; for example, you can use {@link DateTime#plus} to add a Duration object to a DateTime, producing another DateTime.\n *\n * Here is a brief overview of commonly used methods and getters in Duration:\n *\n * * **Creation** To create a Duration, use {@link Duration#fromMillis}, {@link Duration#fromObject}, or {@link Duration#fromISO}.\n * * **Unit values** See the {@link Duration#years}, {@link Duration.months}, {@link Duration#weeks}, {@link Duration#days}, {@link Duration#hours}, {@link Duration#minutes}, {@link Duration#seconds}, {@link Duration#milliseconds} accessors.\n * * **Configuration** See {@link Duration#locale} and {@link Duration#numberingSystem} accessors.\n * * **Transformation** To create new Durations out of old ones use {@link Duration#plus}, {@link Duration#minus}, {@link Duration#normalize}, {@link Duration#set}, {@link Duration#reconfigure}, {@link Duration#shiftTo}, and {@link Duration#negate}.\n * * **Output** To convert the Duration into other representations, see {@link Duration#as}, {@link Duration#toISO}, {@link Duration#toFormat}, and {@link Duration#toJSON}\n *\n * There's are more methods documented below. In addition, for more information on subtler topics like internationalization and validity, see the external documentation.\n */\nexport default class Duration {\n /**\n * @private\n */\n constructor(config) {\n const accurate = config.conversionAccuracy === \"longterm\" || false;\n /**\n * @access private\n */\n this.values = config.values;\n /**\n * @access private\n */\n this.loc = config.loc || Locale.create();\n /**\n * @access private\n */\n this.conversionAccuracy = accurate ? \"longterm\" : \"casual\";\n /**\n * @access private\n */\n this.invalid = config.invalid || null;\n /**\n * @access private\n */\n this.matrix = accurate ? accurateMatrix : casualMatrix;\n /**\n * @access private\n */\n this.isLuxonDuration = true;\n }\n\n /**\n * Create Duration from a number of milliseconds.\n * @param {number} count of milliseconds\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n static fromMillis(count, opts) {\n return Duration.fromObject({ milliseconds: count }, opts);\n }\n\n /**\n * Create a Duration from a JavaScript object with keys like 'years' and 'hours'.\n * If this object is empty then a zero milliseconds duration is returned.\n * @param {Object} obj - the object to create the DateTime from\n * @param {number} obj.years\n * @param {number} obj.quarters\n * @param {number} obj.months\n * @param {number} obj.weeks\n * @param {number} obj.days\n * @param {number} obj.hours\n * @param {number} obj.minutes\n * @param {number} obj.seconds\n * @param {number} obj.milliseconds\n * @param {Object} [opts=[]] - options for creating this Duration\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n static fromObject(obj, opts = {}) {\n if (obj == null || typeof obj !== \"object\") {\n throw new InvalidArgumentError(\n `Duration.fromObject: argument expected to be an object, got ${\n obj === null ? \"null\" : typeof obj\n }`\n );\n }\n\n return new Duration({\n values: normalizeObject(obj, Duration.normalizeUnit),\n loc: Locale.fromObject(opts),\n conversionAccuracy: opts.conversionAccuracy,\n });\n }\n\n /**\n * Create a Duration from DurationLike.\n *\n * @param {Object | number | Duration} durationLike\n * One of:\n * - object with keys like 'years' and 'hours'.\n * - number representing milliseconds\n * - Duration instance\n * @return {Duration}\n */\n static fromDurationLike(durationLike) {\n if (isNumber(durationLike)) {\n return Duration.fromMillis(durationLike);\n } else if (Duration.isDuration(durationLike)) {\n return durationLike;\n } else if (typeof durationLike === \"object\") {\n return Duration.fromObject(durationLike);\n } else {\n throw new InvalidArgumentError(\n `Unknown duration argument ${durationLike} of type ${typeof durationLike}`\n );\n }\n }\n\n /**\n * Create a Duration from an ISO 8601 duration string.\n * @param {string} text - text to parse\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @see https://en.wikipedia.org/wiki/ISO_8601#Durations\n * @example Duration.fromISO('P3Y6M1W4DT12H30M5S').toObject() //=> { years: 3, months: 6, weeks: 1, days: 4, hours: 12, minutes: 30, seconds: 5 }\n * @example Duration.fromISO('PT23H').toObject() //=> { hours: 23 }\n * @example Duration.fromISO('P5Y3M').toObject() //=> { years: 5, months: 3 }\n * @return {Duration}\n */\n static fromISO(text, opts) {\n const [parsed] = parseISODuration(text);\n if (parsed) {\n return Duration.fromObject(parsed, opts);\n } else {\n return Duration.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n }\n\n /**\n * Create a Duration from an ISO 8601 time string.\n * @param {string} text - text to parse\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @see https://en.wikipedia.org/wiki/ISO_8601#Times\n * @example Duration.fromISOTime('11:22:33.444').toObject() //=> { hours: 11, minutes: 22, seconds: 33, milliseconds: 444 }\n * @example Duration.fromISOTime('11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('T11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('T1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @return {Duration}\n */\n static fromISOTime(text, opts) {\n const [parsed] = parseISOTimeOnly(text);\n if (parsed) {\n return Duration.fromObject(parsed, opts);\n } else {\n return Duration.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n }\n\n /**\n * Create an invalid Duration.\n * @param {string} reason - simple string of why this datetime is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {Duration}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the Duration is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidDurationError(invalid);\n } else {\n return new Duration({ invalid });\n }\n }\n\n /**\n * @private\n */\n static normalizeUnit(unit) {\n const normalized = {\n year: \"years\",\n years: \"years\",\n quarter: \"quarters\",\n quarters: \"quarters\",\n month: \"months\",\n months: \"months\",\n week: \"weeks\",\n weeks: \"weeks\",\n day: \"days\",\n days: \"days\",\n hour: \"hours\",\n hours: \"hours\",\n minute: \"minutes\",\n minutes: \"minutes\",\n second: \"seconds\",\n seconds: \"seconds\",\n millisecond: \"milliseconds\",\n milliseconds: \"milliseconds\",\n }[unit ? unit.toLowerCase() : unit];\n\n if (!normalized) throw new InvalidUnitError(unit);\n\n return normalized;\n }\n\n /**\n * Check if an object is a Duration. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isDuration(o) {\n return (o && o.isLuxonDuration) || false;\n }\n\n /**\n * Get the locale of a Duration, such 'en-GB'\n * @type {string}\n */\n get locale() {\n return this.isValid ? this.loc.locale : null;\n }\n\n /**\n * Get the numbering system of a Duration, such 'beng'. The numbering system is used when formatting the Duration\n *\n * @type {string}\n */\n get numberingSystem() {\n return this.isValid ? this.loc.numberingSystem : null;\n }\n\n /**\n * Returns a string representation of this Duration formatted according to the specified format string. You may use these tokens:\n * * `S` for milliseconds\n * * `s` for seconds\n * * `m` for minutes\n * * `h` for hours\n * * `d` for days\n * * `M` for months\n * * `y` for years\n * Notes:\n * * Add padding by repeating the token, e.g. \"yy\" pads the years to two digits, \"hhhh\" pads the hours out to four digits\n * * The duration will be converted to the set of units in the format string using {@link Duration#shiftTo} and the Durations's conversion accuracy setting.\n * @param {string} fmt - the format string\n * @param {Object} opts - options\n * @param {boolean} [opts.floor=true] - floor numerical values\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"y d s\") //=> \"1 6 2\"\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"yy dd sss\") //=> \"01 06 002\"\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"M S\") //=> \"12 518402000\"\n * @return {string}\n */\n toFormat(fmt, opts = {}) {\n // reverse-compat since 1.2; we always round down now, never up, and we do it by default\n const fmtOpts = {\n ...opts,\n floor: opts.round !== false && opts.floor !== false,\n };\n return this.isValid\n ? Formatter.create(this.loc, fmtOpts).formatDurationFromString(this, fmt)\n : INVALID;\n }\n\n /**\n * Returns a string representation of a Duration with all units included\n * To modify its behavior use the `listStyle` and any Intl.NumberFormat option, though `unitDisplay` is especially relevant. See {@link Intl.NumberFormat}.\n * @param opts - On option object to override the formatting. Accepts the same keys as the options parameter of the native `Int.NumberFormat` constructor, as well as `listStyle`.\n * @example\n * ```js\n * var dur = Duration.fromObject({ days: 1, hours: 5, minutes: 6 })\n * dur.toHuman() //=> '1 day, 5 hours, 6 minutes'\n * dur.toHuman({ listStyle: \"long\" }) //=> '1 day, 5 hours, and 6 minutes'\n * dur.toHuman({ unitDisplay: \"short\" }) //=> '1 day, 5 hr, 6 min'\n * ```\n */\n toHuman(opts = {}) {\n const l = orderedUnits\n .map((unit) => {\n const val = this.values[unit];\n if (isUndefined(val)) {\n return null;\n }\n return this.loc\n .numberFormatter({ style: \"unit\", unitDisplay: \"long\", ...opts, unit: unit.slice(0, -1) })\n .format(val);\n })\n .filter((n) => n);\n\n return this.loc\n .listFormatter({ type: \"conjunction\", style: opts.listStyle || \"narrow\", ...opts })\n .format(l);\n }\n\n /**\n * Returns a JavaScript object with this Duration's values.\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toObject() //=> { years: 1, days: 6, seconds: 2 }\n * @return {Object}\n */\n toObject() {\n if (!this.isValid) return {};\n return { ...this.values };\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Duration.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Durations\n * @example Duration.fromObject({ years: 3, seconds: 45 }).toISO() //=> 'P3YT45S'\n * @example Duration.fromObject({ months: 4, seconds: 45 }).toISO() //=> 'P4MT45S'\n * @example Duration.fromObject({ months: 5 }).toISO() //=> 'P5M'\n * @example Duration.fromObject({ minutes: 5 }).toISO() //=> 'PT5M'\n * @example Duration.fromObject({ milliseconds: 6 }).toISO() //=> 'PT0.006S'\n * @return {string}\n */\n toISO() {\n // we could use the formatter, but this is an easier way to get the minimum string\n if (!this.isValid) return null;\n\n let s = \"P\";\n if (this.years !== 0) s += this.years + \"Y\";\n if (this.months !== 0 || this.quarters !== 0) s += this.months + this.quarters * 3 + \"M\";\n if (this.weeks !== 0) s += this.weeks + \"W\";\n if (this.days !== 0) s += this.days + \"D\";\n if (this.hours !== 0 || this.minutes !== 0 || this.seconds !== 0 || this.milliseconds !== 0)\n s += \"T\";\n if (this.hours !== 0) s += this.hours + \"H\";\n if (this.minutes !== 0) s += this.minutes + \"M\";\n if (this.seconds !== 0 || this.milliseconds !== 0)\n // this will handle \"floating point madness\" by removing extra decimal places\n // https://stackoverflow.com/questions/588004/is-floating-point-math-broken\n s += roundTo(this.seconds + this.milliseconds / 1000, 3) + \"S\";\n if (s === \"P\") s += \"T0S\";\n return s;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Duration, formatted as a time of day.\n * Note that this will return null if the duration is invalid, negative, or equal to or greater than 24 hours.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Times\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includePrefix=false] - include the `T` prefix\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example Duration.fromObject({ hours: 11 }).toISOTime() //=> '11:00:00.000'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressMilliseconds: true }) //=> '11:00:00'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressSeconds: true }) //=> '11:00'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ includePrefix: true }) //=> 'T11:00:00.000'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ format: 'basic' }) //=> '110000.000'\n * @return {string}\n */\n toISOTime(opts = {}) {\n if (!this.isValid) return null;\n\n const millis = this.toMillis();\n if (millis < 0 || millis >= 86400000) return null;\n\n opts = {\n suppressMilliseconds: false,\n suppressSeconds: false,\n includePrefix: false,\n format: \"extended\",\n ...opts,\n };\n\n const value = this.shiftTo(\"hours\", \"minutes\", \"seconds\", \"milliseconds\");\n\n let fmt = opts.format === \"basic\" ? \"hhmm\" : \"hh:mm\";\n\n if (!opts.suppressSeconds || value.seconds !== 0 || value.milliseconds !== 0) {\n fmt += opts.format === \"basic\" ? \"ss\" : \":ss\";\n if (!opts.suppressMilliseconds || value.milliseconds !== 0) {\n fmt += \".SSS\";\n }\n }\n\n let str = value.toFormat(fmt);\n\n if (opts.includePrefix) {\n str = \"T\" + str;\n }\n\n return str;\n }\n\n /**\n * Returns an ISO 8601 representation of this Duration appropriate for use in JSON.\n * @return {string}\n */\n toJSON() {\n return this.toISO();\n }\n\n /**\n * Returns an ISO 8601 representation of this Duration appropriate for use in debugging.\n * @return {string}\n */\n toString() {\n return this.toISO();\n }\n\n /**\n * Returns an milliseconds value of this Duration.\n * @return {number}\n */\n toMillis() {\n return this.as(\"milliseconds\");\n }\n\n /**\n * Returns an milliseconds value of this Duration. Alias of {@link toMillis}\n * @return {number}\n */\n valueOf() {\n return this.toMillis();\n }\n\n /**\n * Make this Duration longer by the specified amount. Return a newly-constructed Duration.\n * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @return {Duration}\n */\n plus(duration) {\n if (!this.isValid) return this;\n\n const dur = Duration.fromDurationLike(duration),\n result = {};\n\n for (const k of orderedUnits) {\n if (hasOwnProperty(dur.values, k) || hasOwnProperty(this.values, k)) {\n result[k] = dur.get(k) + this.get(k);\n }\n }\n\n return clone(this, { values: result }, true);\n }\n\n /**\n * Make this Duration shorter by the specified amount. Return a newly-constructed Duration.\n * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @return {Duration}\n */\n minus(duration) {\n if (!this.isValid) return this;\n\n const dur = Duration.fromDurationLike(duration);\n return this.plus(dur.negate());\n }\n\n /**\n * Scale this Duration by the specified amount. Return a newly-constructed Duration.\n * @param {function} fn - The function to apply to each unit. Arity is 1 or 2: the value of the unit and, optionally, the unit name. Must return a number.\n * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits(x => x * 2) //=> { hours: 2, minutes: 60 }\n * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits((x, u) => u === \"hour\" ? x * 2 : x) //=> { hours: 2, minutes: 30 }\n * @return {Duration}\n */\n mapUnits(fn) {\n if (!this.isValid) return this;\n const result = {};\n for (const k of Object.keys(this.values)) {\n result[k] = asNumber(fn(this.values[k], k));\n }\n return clone(this, { values: result }, true);\n }\n\n /**\n * Get the value of unit.\n * @param {string} unit - a unit such as 'minute' or 'day'\n * @example Duration.fromObject({years: 2, days: 3}).get('years') //=> 2\n * @example Duration.fromObject({years: 2, days: 3}).get('months') //=> 0\n * @example Duration.fromObject({years: 2, days: 3}).get('days') //=> 3\n * @return {number}\n */\n get(unit) {\n return this[Duration.normalizeUnit(unit)];\n }\n\n /**\n * \"Set\" the values of specified units. Return a newly-constructed Duration.\n * @param {Object} values - a mapping of units to numbers\n * @example dur.set({ years: 2017 })\n * @example dur.set({ hours: 8, minutes: 30 })\n * @return {Duration}\n */\n set(values) {\n if (!this.isValid) return this;\n\n const mixed = { ...this.values, ...normalizeObject(values, Duration.normalizeUnit) };\n return clone(this, { values: mixed });\n }\n\n /**\n * \"Set\" the locale and/or numberingSystem. Returns a newly-constructed Duration.\n * @example dur.reconfigure({ locale: 'en-GB' })\n * @return {Duration}\n */\n reconfigure({ locale, numberingSystem, conversionAccuracy } = {}) {\n const loc = this.loc.clone({ locale, numberingSystem }),\n opts = { loc };\n\n if (conversionAccuracy) {\n opts.conversionAccuracy = conversionAccuracy;\n }\n\n return clone(this, opts);\n }\n\n /**\n * Return the length of the duration in the specified unit.\n * @param {string} unit - a unit such as 'minutes' or 'days'\n * @example Duration.fromObject({years: 1}).as('days') //=> 365\n * @example Duration.fromObject({years: 1}).as('months') //=> 12\n * @example Duration.fromObject({hours: 60}).as('days') //=> 2.5\n * @return {number}\n */\n as(unit) {\n return this.isValid ? this.shiftTo(unit).get(unit) : NaN;\n }\n\n /**\n * Reduce this Duration to its canonical representation in its current units.\n * @example Duration.fromObject({ years: 2, days: 5000 }).normalize().toObject() //=> { years: 15, days: 255 }\n * @example Duration.fromObject({ hours: 12, minutes: -45 }).normalize().toObject() //=> { hours: 11, minutes: 15 }\n * @return {Duration}\n */\n normalize() {\n if (!this.isValid) return this;\n const vals = this.toObject();\n normalizeValues(this.matrix, vals);\n return clone(this, { values: vals }, true);\n }\n\n /**\n * Convert this Duration into its representation in a different set of units.\n * @example Duration.fromObject({ hours: 1, seconds: 30 }).shiftTo('minutes', 'milliseconds').toObject() //=> { minutes: 60, milliseconds: 30000 }\n * @return {Duration}\n */\n shiftTo(...units) {\n if (!this.isValid) return this;\n\n if (units.length === 0) {\n return this;\n }\n\n units = units.map((u) => Duration.normalizeUnit(u));\n\n const built = {},\n accumulated = {},\n vals = this.toObject();\n let lastUnit;\n\n for (const k of orderedUnits) {\n if (units.indexOf(k) >= 0) {\n lastUnit = k;\n\n let own = 0;\n\n // anything we haven't boiled down yet should get boiled to this unit\n for (const ak in accumulated) {\n own += this.matrix[ak][k] * accumulated[ak];\n accumulated[ak] = 0;\n }\n\n // plus anything that's already in this unit\n if (isNumber(vals[k])) {\n own += vals[k];\n }\n\n const i = Math.trunc(own);\n built[k] = i;\n accumulated[k] = (own * 1000 - i * 1000) / 1000;\n\n // plus anything further down the chain that should be rolled up in to this\n for (const down in vals) {\n if (orderedUnits.indexOf(down) > orderedUnits.indexOf(k)) {\n convert(this.matrix, vals, down, built, k);\n }\n }\n // otherwise, keep it in the wings to boil it later\n } else if (isNumber(vals[k])) {\n accumulated[k] = vals[k];\n }\n }\n\n // anything leftover becomes the decimal for the last unit\n // lastUnit must be defined since units is not empty\n for (const key in accumulated) {\n if (accumulated[key] !== 0) {\n built[lastUnit] +=\n key === lastUnit ? accumulated[key] : accumulated[key] / this.matrix[lastUnit][key];\n }\n }\n\n return clone(this, { values: built }, true).normalize();\n }\n\n /**\n * Return the negative of this Duration.\n * @example Duration.fromObject({ hours: 1, seconds: 30 }).negate().toObject() //=> { hours: -1, seconds: -30 }\n * @return {Duration}\n */\n negate() {\n if (!this.isValid) return this;\n const negated = {};\n for (const k of Object.keys(this.values)) {\n negated[k] = this.values[k] === 0 ? 0 : -this.values[k];\n }\n return clone(this, { values: negated }, true);\n }\n\n /**\n * Get the years.\n * @type {number}\n */\n get years() {\n return this.isValid ? this.values.years || 0 : NaN;\n }\n\n /**\n * Get the quarters.\n * @type {number}\n */\n get quarters() {\n return this.isValid ? this.values.quarters || 0 : NaN;\n }\n\n /**\n * Get the months.\n * @type {number}\n */\n get months() {\n return this.isValid ? this.values.months || 0 : NaN;\n }\n\n /**\n * Get the weeks\n * @type {number}\n */\n get weeks() {\n return this.isValid ? this.values.weeks || 0 : NaN;\n }\n\n /**\n * Get the days.\n * @type {number}\n */\n get days() {\n return this.isValid ? this.values.days || 0 : NaN;\n }\n\n /**\n * Get the hours.\n * @type {number}\n */\n get hours() {\n return this.isValid ? this.values.hours || 0 : NaN;\n }\n\n /**\n * Get the minutes.\n * @type {number}\n */\n get minutes() {\n return this.isValid ? this.values.minutes || 0 : NaN;\n }\n\n /**\n * Get the seconds.\n * @return {number}\n */\n get seconds() {\n return this.isValid ? this.values.seconds || 0 : NaN;\n }\n\n /**\n * Get the milliseconds.\n * @return {number}\n */\n get milliseconds() {\n return this.isValid ? this.values.milliseconds || 0 : NaN;\n }\n\n /**\n * Returns whether the Duration is invalid. Invalid durations are returned by diff operations\n * on invalid DateTimes or Intervals.\n * @return {boolean}\n */\n get isValid() {\n return this.invalid === null;\n }\n\n /**\n * Returns an error code if this Duration became invalid, or null if the Duration is valid\n * @return {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this Duration became invalid, or null if the Duration is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Equality check\n * Two Durations are equal iff they have the same units and the same values for each unit.\n * @param {Duration} other\n * @return {boolean}\n */\n equals(other) {\n if (!this.isValid || !other.isValid) {\n return false;\n }\n\n if (!this.loc.equals(other.loc)) {\n return false;\n }\n\n function eq(v1, v2) {\n // Consider 0 and undefined as equal\n if (v1 === undefined || v1 === 0) return v2 === undefined || v2 === 0;\n return v1 === v2;\n }\n\n for (const u of orderedUnits) {\n if (!eq(this.values[u], other.values[u])) {\n return false;\n }\n }\n return true;\n }\n}\n","import DateTime, { friendlyDateTime } from \"./datetime.js\";\nimport Duration from \"./duration.js\";\nimport Settings from \"./settings.js\";\nimport { InvalidArgumentError, InvalidIntervalError } from \"./errors.js\";\nimport Invalid from \"./impl/invalid.js\";\n\nconst INVALID = \"Invalid Interval\";\n\n// checks if the start is equal to or before the end\nfunction validateStartEnd(start, end) {\n if (!start || !start.isValid) {\n return Interval.invalid(\"missing or invalid start\");\n } else if (!end || !end.isValid) {\n return Interval.invalid(\"missing or invalid end\");\n } else if (end < start) {\n return Interval.invalid(\n \"end before start\",\n `The end of an interval must be after its start, but you had start=${start.toISO()} and end=${end.toISO()}`\n );\n } else {\n return null;\n }\n}\n\n/**\n * An Interval object represents a half-open interval of time, where each endpoint is a {@link DateTime}. Conceptually, it's a container for those two endpoints, accompanied by methods for creating, parsing, interrogating, comparing, transforming, and formatting them.\n *\n * Here is a brief overview of the most commonly used methods and getters in Interval:\n *\n * * **Creation** To create an Interval, use {@link Interval#fromDateTimes}, {@link Interval#after}, {@link Interval#before}, or {@link Interval#fromISO}.\n * * **Accessors** Use {@link Interval#start} and {@link Interval#end} to get the start and end.\n * * **Interrogation** To analyze the Interval, use {@link Interval#count}, {@link Interval#length}, {@link Interval#hasSame}, {@link Interval#contains}, {@link Interval#isAfter}, or {@link Interval#isBefore}.\n * * **Transformation** To create other Intervals out of this one, use {@link Interval#set}, {@link Interval#splitAt}, {@link Interval#splitBy}, {@link Interval#divideEqually}, {@link Interval#merge}, {@link Interval#xor}, {@link Interval#union}, {@link Interval#intersection}, or {@link Interval#difference}.\n * * **Comparison** To compare this Interval to another one, use {@link Interval#equals}, {@link Interval#overlaps}, {@link Interval#abutsStart}, {@link Interval#abutsEnd}, {@link Interval#engulfs}\n * * **Output** To convert the Interval into other representations, see {@link Interval#toString}, {@link Interval#toISO}, {@link Interval#toISODate}, {@link Interval#toISOTime}, {@link Interval#toFormat}, and {@link Interval#toDuration}.\n */\nexport default class Interval {\n /**\n * @private\n */\n constructor(config) {\n /**\n * @access private\n */\n this.s = config.start;\n /**\n * @access private\n */\n this.e = config.end;\n /**\n * @access private\n */\n this.invalid = config.invalid || null;\n /**\n * @access private\n */\n this.isLuxonInterval = true;\n }\n\n /**\n * Create an invalid Interval.\n * @param {string} reason - simple string of why this Interval is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {Interval}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the Interval is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidIntervalError(invalid);\n } else {\n return new Interval({ invalid });\n }\n }\n\n /**\n * Create an Interval from a start DateTime and an end DateTime. Inclusive of the start but not the end.\n * @param {DateTime|Date|Object} start\n * @param {DateTime|Date|Object} end\n * @return {Interval}\n */\n static fromDateTimes(start, end) {\n const builtStart = friendlyDateTime(start),\n builtEnd = friendlyDateTime(end);\n\n const validateError = validateStartEnd(builtStart, builtEnd);\n\n if (validateError == null) {\n return new Interval({\n start: builtStart,\n end: builtEnd,\n });\n } else {\n return validateError;\n }\n }\n\n /**\n * Create an Interval from a start DateTime and a Duration to extend to.\n * @param {DateTime|Date|Object} start\n * @param {Duration|Object|number} duration - the length of the Interval.\n * @return {Interval}\n */\n static after(start, duration) {\n const dur = Duration.fromDurationLike(duration),\n dt = friendlyDateTime(start);\n return Interval.fromDateTimes(dt, dt.plus(dur));\n }\n\n /**\n * Create an Interval from an end DateTime and a Duration to extend backwards to.\n * @param {DateTime|Date|Object} end\n * @param {Duration|Object|number} duration - the length of the Interval.\n * @return {Interval}\n */\n static before(end, duration) {\n const dur = Duration.fromDurationLike(duration),\n dt = friendlyDateTime(end);\n return Interval.fromDateTimes(dt.minus(dur), dt);\n }\n\n /**\n * Create an Interval from an ISO 8601 string.\n * Accepts `/`, `/`, and `/` formats.\n * @param {string} text - the ISO string to parse\n * @param {Object} [opts] - options to pass {@link DateTime#fromISO} and optionally {@link Duration#fromISO}\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @return {Interval}\n */\n static fromISO(text, opts) {\n const [s, e] = (text || \"\").split(\"/\", 2);\n if (s && e) {\n let start, startIsValid;\n try {\n start = DateTime.fromISO(s, opts);\n startIsValid = start.isValid;\n } catch (e) {\n startIsValid = false;\n }\n\n let end, endIsValid;\n try {\n end = DateTime.fromISO(e, opts);\n endIsValid = end.isValid;\n } catch (e) {\n endIsValid = false;\n }\n\n if (startIsValid && endIsValid) {\n return Interval.fromDateTimes(start, end);\n }\n\n if (startIsValid) {\n const dur = Duration.fromISO(e, opts);\n if (dur.isValid) {\n return Interval.after(start, dur);\n }\n } else if (endIsValid) {\n const dur = Duration.fromISO(s, opts);\n if (dur.isValid) {\n return Interval.before(end, dur);\n }\n }\n }\n return Interval.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n\n /**\n * Check if an object is an Interval. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isInterval(o) {\n return (o && o.isLuxonInterval) || false;\n }\n\n /**\n * Returns the start of the Interval\n * @type {DateTime}\n */\n get start() {\n return this.isValid ? this.s : null;\n }\n\n /**\n * Returns the end of the Interval\n * @type {DateTime}\n */\n get end() {\n return this.isValid ? this.e : null;\n }\n\n /**\n * Returns whether this Interval's end is at least its start, meaning that the Interval isn't 'backwards'.\n * @type {boolean}\n */\n get isValid() {\n return this.invalidReason === null;\n }\n\n /**\n * Returns an error code if this Interval is invalid, or null if the Interval is valid\n * @type {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this Interval became invalid, or null if the Interval is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Returns the length of the Interval in the specified unit.\n * @param {string} unit - the unit (such as 'hours' or 'days') to return the length in.\n * @return {number}\n */\n length(unit = \"milliseconds\") {\n return this.isValid ? this.toDuration(...[unit]).get(unit) : NaN;\n }\n\n /**\n * Returns the count of minutes, hours, days, months, or years included in the Interval, even in part.\n * Unlike {@link Interval#length} this counts sections of the calendar, not periods of time, e.g. specifying 'day'\n * asks 'what dates are included in this interval?', not 'how many days long is this interval?'\n * @param {string} [unit='milliseconds'] - the unit of time to count.\n * @return {number}\n */\n count(unit = \"milliseconds\") {\n if (!this.isValid) return NaN;\n const start = this.start.startOf(unit),\n end = this.end.startOf(unit);\n return Math.floor(end.diff(start, unit).get(unit)) + 1;\n }\n\n /**\n * Returns whether this Interval's start and end are both in the same unit of time\n * @param {string} unit - the unit of time to check sameness on\n * @return {boolean}\n */\n hasSame(unit) {\n return this.isValid ? this.isEmpty() || this.e.minus(1).hasSame(this.s, unit) : false;\n }\n\n /**\n * Return whether this Interval has the same start and end DateTimes.\n * @return {boolean}\n */\n isEmpty() {\n return this.s.valueOf() === this.e.valueOf();\n }\n\n /**\n * Return whether this Interval's start is after the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n isAfter(dateTime) {\n if (!this.isValid) return false;\n return this.s > dateTime;\n }\n\n /**\n * Return whether this Interval's end is before the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n isBefore(dateTime) {\n if (!this.isValid) return false;\n return this.e <= dateTime;\n }\n\n /**\n * Return whether this Interval contains the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n contains(dateTime) {\n if (!this.isValid) return false;\n return this.s <= dateTime && this.e > dateTime;\n }\n\n /**\n * \"Sets\" the start and/or end dates. Returns a newly-constructed Interval.\n * @param {Object} values - the values to set\n * @param {DateTime} values.start - the starting DateTime\n * @param {DateTime} values.end - the ending DateTime\n * @return {Interval}\n */\n set({ start, end } = {}) {\n if (!this.isValid) return this;\n return Interval.fromDateTimes(start || this.s, end || this.e);\n }\n\n /**\n * Split this Interval at each of the specified DateTimes\n * @param {...DateTime} dateTimes - the unit of time to count.\n * @return {Array}\n */\n splitAt(...dateTimes) {\n if (!this.isValid) return [];\n const sorted = dateTimes\n .map(friendlyDateTime)\n .filter((d) => this.contains(d))\n .sort(),\n results = [];\n let { s } = this,\n i = 0;\n\n while (s < this.e) {\n const added = sorted[i] || this.e,\n next = +added > +this.e ? this.e : added;\n results.push(Interval.fromDateTimes(s, next));\n s = next;\n i += 1;\n }\n\n return results;\n }\n\n /**\n * Split this Interval into smaller Intervals, each of the specified length.\n * Left over time is grouped into a smaller interval\n * @param {Duration|Object|number} duration - The length of each resulting interval.\n * @return {Array}\n */\n splitBy(duration) {\n const dur = Duration.fromDurationLike(duration);\n\n if (!this.isValid || !dur.isValid || dur.as(\"milliseconds\") === 0) {\n return [];\n }\n\n let { s } = this,\n idx = 1,\n next;\n\n const results = [];\n while (s < this.e) {\n const added = this.start.plus(dur.mapUnits((x) => x * idx));\n next = +added > +this.e ? this.e : added;\n results.push(Interval.fromDateTimes(s, next));\n s = next;\n idx += 1;\n }\n\n return results;\n }\n\n /**\n * Split this Interval into the specified number of smaller intervals.\n * @param {number} numberOfParts - The number of Intervals to divide the Interval into.\n * @return {Array}\n */\n divideEqually(numberOfParts) {\n if (!this.isValid) return [];\n return this.splitBy(this.length() / numberOfParts).slice(0, numberOfParts);\n }\n\n /**\n * Return whether this Interval overlaps with the specified Interval\n * @param {Interval} other\n * @return {boolean}\n */\n overlaps(other) {\n return this.e > other.s && this.s < other.e;\n }\n\n /**\n * Return whether this Interval's end is adjacent to the specified Interval's start.\n * @param {Interval} other\n * @return {boolean}\n */\n abutsStart(other) {\n if (!this.isValid) return false;\n return +this.e === +other.s;\n }\n\n /**\n * Return whether this Interval's start is adjacent to the specified Interval's end.\n * @param {Interval} other\n * @return {boolean}\n */\n abutsEnd(other) {\n if (!this.isValid) return false;\n return +other.e === +this.s;\n }\n\n /**\n * Return whether this Interval engulfs the start and end of the specified Interval.\n * @param {Interval} other\n * @return {boolean}\n */\n engulfs(other) {\n if (!this.isValid) return false;\n return this.s <= other.s && this.e >= other.e;\n }\n\n /**\n * Return whether this Interval has the same start and end as the specified Interval.\n * @param {Interval} other\n * @return {boolean}\n */\n equals(other) {\n if (!this.isValid || !other.isValid) {\n return false;\n }\n\n return this.s.equals(other.s) && this.e.equals(other.e);\n }\n\n /**\n * Return an Interval representing the intersection of this Interval and the specified Interval.\n * Specifically, the resulting Interval has the maximum start time and the minimum end time of the two Intervals.\n * Returns null if the intersection is empty, meaning, the intervals don't intersect.\n * @param {Interval} other\n * @return {Interval}\n */\n intersection(other) {\n if (!this.isValid) return this;\n const s = this.s > other.s ? this.s : other.s,\n e = this.e < other.e ? this.e : other.e;\n\n if (s >= e) {\n return null;\n } else {\n return Interval.fromDateTimes(s, e);\n }\n }\n\n /**\n * Return an Interval representing the union of this Interval and the specified Interval.\n * Specifically, the resulting Interval has the minimum start time and the maximum end time of the two Intervals.\n * @param {Interval} other\n * @return {Interval}\n */\n union(other) {\n if (!this.isValid) return this;\n const s = this.s < other.s ? this.s : other.s,\n e = this.e > other.e ? this.e : other.e;\n return Interval.fromDateTimes(s, e);\n }\n\n /**\n * Merge an array of Intervals into a equivalent minimal set of Intervals.\n * Combines overlapping and adjacent Intervals.\n * @param {Array} intervals\n * @return {Array}\n */\n static merge(intervals) {\n const [found, final] = intervals\n .sort((a, b) => a.s - b.s)\n .reduce(\n ([sofar, current], item) => {\n if (!current) {\n return [sofar, item];\n } else if (current.overlaps(item) || current.abutsStart(item)) {\n return [sofar, current.union(item)];\n } else {\n return [sofar.concat([current]), item];\n }\n },\n [[], null]\n );\n if (final) {\n found.push(final);\n }\n return found;\n }\n\n /**\n * Return an array of Intervals representing the spans of time that only appear in one of the specified Intervals.\n * @param {Array} intervals\n * @return {Array}\n */\n static xor(intervals) {\n let start = null,\n currentCount = 0;\n const results = [],\n ends = intervals.map((i) => [\n { time: i.s, type: \"s\" },\n { time: i.e, type: \"e\" },\n ]),\n flattened = Array.prototype.concat(...ends),\n arr = flattened.sort((a, b) => a.time - b.time);\n\n for (const i of arr) {\n currentCount += i.type === \"s\" ? 1 : -1;\n\n if (currentCount === 1) {\n start = i.time;\n } else {\n if (start && +start !== +i.time) {\n results.push(Interval.fromDateTimes(start, i.time));\n }\n\n start = null;\n }\n }\n\n return Interval.merge(results);\n }\n\n /**\n * Return an Interval representing the span of time in this Interval that doesn't overlap with any of the specified Intervals.\n * @param {...Interval} intervals\n * @return {Array}\n */\n difference(...intervals) {\n return Interval.xor([this].concat(intervals))\n .map((i) => this.intersection(i))\n .filter((i) => i && !i.isEmpty());\n }\n\n /**\n * Returns a string representation of this Interval appropriate for debugging.\n * @return {string}\n */\n toString() {\n if (!this.isValid) return INVALID;\n return `[${this.s.toISO()} – ${this.e.toISO()})`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Interval.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @param {Object} opts - The same options as {@link DateTime#toISO}\n * @return {string}\n */\n toISO(opts) {\n if (!this.isValid) return INVALID;\n return `${this.s.toISO(opts)}/${this.e.toISO(opts)}`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of date of this Interval.\n * The time components are ignored.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @return {string}\n */\n toISODate() {\n if (!this.isValid) return INVALID;\n return `${this.s.toISODate()}/${this.e.toISODate()}`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of time of this Interval.\n * The date components are ignored.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @param {Object} opts - The same options as {@link DateTime#toISO}\n * @return {string}\n */\n toISOTime(opts) {\n if (!this.isValid) return INVALID;\n return `${this.s.toISOTime(opts)}/${this.e.toISOTime(opts)}`;\n }\n\n /**\n * Returns a string representation of this Interval formatted according to the specified format string.\n * @param {string} dateFormat - the format string. This string formats the start and end time. See {@link DateTime#toFormat} for details.\n * @param {Object} opts - options\n * @param {string} [opts.separator = ' – '] - a separator to place between the start and end representations\n * @return {string}\n */\n toFormat(dateFormat, { separator = \" – \" } = {}) {\n if (!this.isValid) return INVALID;\n return `${this.s.toFormat(dateFormat)}${separator}${this.e.toFormat(dateFormat)}`;\n }\n\n /**\n * Return a Duration representing the time spanned by this interval.\n * @param {string|string[]} [unit=['milliseconds']] - the unit or units (such as 'hours' or 'days') to include in the duration.\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @example Interval.fromDateTimes(dt1, dt2).toDuration().toObject() //=> { milliseconds: 88489257 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration('days').toObject() //=> { days: 1.0241812152777778 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes']).toObject() //=> { hours: 24, minutes: 34.82095 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes', 'seconds']).toObject() //=> { hours: 24, minutes: 34, seconds: 49.257 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration('seconds').toObject() //=> { seconds: 88489.257 }\n * @return {Duration}\n */\n toDuration(unit, opts) {\n if (!this.isValid) {\n return Duration.invalid(this.invalidReason);\n }\n return this.e.diff(this.s, unit, opts);\n }\n\n /**\n * Run mapFn on the interval start and end, returning a new Interval from the resulting DateTimes\n * @param {function} mapFn\n * @return {Interval}\n * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.toUTC())\n * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.plus({ hours: 2 }))\n */\n mapEndpoints(mapFn) {\n return Interval.fromDateTimes(mapFn(this.s), mapFn(this.e));\n }\n}\n","import DateTime from \"./datetime.js\";\nimport Settings from \"./settings.js\";\nimport Locale from \"./impl/locale.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\n\nimport { hasRelative } from \"./impl/util.js\";\n\n/**\n * The Info class contains static methods for retrieving general time and date related data. For example, it has methods for finding out if a time zone has a DST, for listing the months in any supported locale, and for discovering which of Luxon features are available in the current environment.\n */\nexport default class Info {\n /**\n * Return whether the specified zone contains a DST.\n * @param {string|Zone} [zone='local'] - Zone to check. Defaults to the environment's local zone.\n * @return {boolean}\n */\n static hasDST(zone = Settings.defaultZone) {\n const proto = DateTime.now().setZone(zone).set({ month: 12 });\n\n return !zone.isUniversal && proto.offset !== proto.set({ month: 6 }).offset;\n }\n\n /**\n * Return whether the specified zone is a valid IANA specifier.\n * @param {string} zone - Zone to check\n * @return {boolean}\n */\n static isValidIANAZone(zone) {\n return IANAZone.isValidZone(zone);\n }\n\n /**\n * Converts the input into a {@link Zone} instance.\n *\n * * If `input` is already a Zone instance, it is returned unchanged.\n * * If `input` is a string containing a valid time zone name, a Zone instance\n * with that name is returned.\n * * If `input` is a string that doesn't refer to a known time zone, a Zone\n * instance with {@link Zone#isValid} == false is returned.\n * * If `input is a number, a Zone instance with the specified fixed offset\n * in minutes is returned.\n * * If `input` is `null` or `undefined`, the default zone is returned.\n * @param {string|Zone|number} [input] - the value to be converted\n * @return {Zone}\n */\n static normalizeZone(input) {\n return normalizeZone(input, Settings.defaultZone);\n }\n\n /**\n * Return an array of standalone month names.\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param {string} [length='long'] - the length of the month representation, such as \"numeric\", \"2-digit\", \"narrow\", \"short\", \"long\"\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @param {string} [opts.outputCalendar='gregory'] - the calendar\n * @example Info.months()[0] //=> 'January'\n * @example Info.months('short')[0] //=> 'Jan'\n * @example Info.months('numeric')[0] //=> '1'\n * @example Info.months('short', { locale: 'fr-CA' } )[0] //=> 'janv.'\n * @example Info.months('numeric', { locale: 'ar' })[0] //=> '١'\n * @example Info.months('long', { outputCalendar: 'islamic' })[0] //=> 'Rabiʻ I'\n * @return {Array}\n */\n static months(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null, outputCalendar = \"gregory\" } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length);\n }\n\n /**\n * Return an array of format month names.\n * Format months differ from standalone months in that they're meant to appear next to the day of the month. In some languages, that\n * changes the string.\n * See {@link Info#months}\n * @param {string} [length='long'] - the length of the month representation, such as \"numeric\", \"2-digit\", \"narrow\", \"short\", \"long\"\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @param {string} [opts.outputCalendar='gregory'] - the calendar\n * @return {Array}\n */\n static monthsFormat(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null, outputCalendar = \"gregory\" } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length, true);\n }\n\n /**\n * Return an array of standalone week names.\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param {string} [length='long'] - the length of the weekday representation, such as \"narrow\", \"short\", \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @example Info.weekdays()[0] //=> 'Monday'\n * @example Info.weekdays('short')[0] //=> 'Mon'\n * @example Info.weekdays('short', { locale: 'fr-CA' })[0] //=> 'lun.'\n * @example Info.weekdays('short', { locale: 'ar' })[0] //=> 'الاثنين'\n * @return {Array}\n */\n static weekdays(length = \"long\", { locale = null, numberingSystem = null, locObj = null } = {}) {\n return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length);\n }\n\n /**\n * Return an array of format week names.\n * Format weekdays differ from standalone weekdays in that they're meant to appear next to more date information. In some languages, that\n * changes the string.\n * See {@link Info#weekdays}\n * @param {string} [length='long'] - the length of the month representation, such as \"narrow\", \"short\", \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale=null] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @return {Array}\n */\n static weekdaysFormat(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length, true);\n }\n\n /**\n * Return an array of meridiems.\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @example Info.meridiems() //=> [ 'AM', 'PM' ]\n * @example Info.meridiems({ locale: 'my' }) //=> [ 'နံနက်', 'ညနေ' ]\n * @return {Array}\n */\n static meridiems({ locale = null } = {}) {\n return Locale.create(locale).meridiems();\n }\n\n /**\n * Return an array of eras, such as ['BC', 'AD']. The locale can be specified, but the calendar system is always Gregorian.\n * @param {string} [length='short'] - the length of the era representation, such as \"short\" or \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @example Info.eras() //=> [ 'BC', 'AD' ]\n * @example Info.eras('long') //=> [ 'Before Christ', 'Anno Domini' ]\n * @example Info.eras('long', { locale: 'fr' }) //=> [ 'avant Jésus-Christ', 'après Jésus-Christ' ]\n * @return {Array}\n */\n static eras(length = \"short\", { locale = null } = {}) {\n return Locale.create(locale, null, \"gregory\").eras(length);\n }\n\n /**\n * Return the set of available features in this environment.\n * Some features of Luxon are not available in all environments. For example, on older browsers, relative time formatting support is not available. Use this function to figure out if that's the case.\n * Keys:\n * * `relative`: whether this environment supports relative time formatting\n * @example Info.features() //=> { relative: false }\n * @return {Object}\n */\n static features() {\n return { relative: hasRelative() };\n }\n}\n","import Duration from \"../duration.js\";\n\nfunction dayDiff(earlier, later) {\n const utcDayStart = (dt) => dt.toUTC(0, { keepLocalTime: true }).startOf(\"day\").valueOf(),\n ms = utcDayStart(later) - utcDayStart(earlier);\n return Math.floor(Duration.fromMillis(ms).as(\"days\"));\n}\n\nfunction highOrderDiffs(cursor, later, units) {\n const differs = [\n [\"years\", (a, b) => b.year - a.year],\n [\"quarters\", (a, b) => b.quarter - a.quarter],\n [\"months\", (a, b) => b.month - a.month + (b.year - a.year) * 12],\n [\n \"weeks\",\n (a, b) => {\n const days = dayDiff(a, b);\n return (days - (days % 7)) / 7;\n },\n ],\n [\"days\", dayDiff],\n ];\n\n const results = {};\n let lowestOrder, highWater;\n\n for (const [unit, differ] of differs) {\n if (units.indexOf(unit) >= 0) {\n lowestOrder = unit;\n\n let delta = differ(cursor, later);\n highWater = cursor.plus({ [unit]: delta });\n\n if (highWater > later) {\n cursor = cursor.plus({ [unit]: delta - 1 });\n delta -= 1;\n } else {\n cursor = highWater;\n }\n\n results[unit] = delta;\n }\n }\n\n return [cursor, results, highWater, lowestOrder];\n}\n\nexport default function (earlier, later, units, opts) {\n let [cursor, results, highWater, lowestOrder] = highOrderDiffs(earlier, later, units);\n\n const remainingMillis = later - cursor;\n\n const lowerOrderUnits = units.filter(\n (u) => [\"hours\", \"minutes\", \"seconds\", \"milliseconds\"].indexOf(u) >= 0\n );\n\n if (lowerOrderUnits.length === 0) {\n if (highWater < later) {\n highWater = cursor.plus({ [lowestOrder]: 1 });\n }\n\n if (highWater !== cursor) {\n results[lowestOrder] = (results[lowestOrder] || 0) + remainingMillis / (highWater - cursor);\n }\n }\n\n const duration = Duration.fromObject(results, opts);\n\n if (lowerOrderUnits.length > 0) {\n return Duration.fromMillis(remainingMillis, opts)\n .shiftTo(...lowerOrderUnits)\n .plus(duration);\n } else {\n return duration;\n }\n}\n","const numberingSystems = {\n arab: \"[\\u0660-\\u0669]\",\n arabext: \"[\\u06F0-\\u06F9]\",\n bali: \"[\\u1B50-\\u1B59]\",\n beng: \"[\\u09E6-\\u09EF]\",\n deva: \"[\\u0966-\\u096F]\",\n fullwide: \"[\\uFF10-\\uFF19]\",\n gujr: \"[\\u0AE6-\\u0AEF]\",\n hanidec: \"[〇|一|二|三|四|五|六|七|八|九]\",\n khmr: \"[\\u17E0-\\u17E9]\",\n knda: \"[\\u0CE6-\\u0CEF]\",\n laoo: \"[\\u0ED0-\\u0ED9]\",\n limb: \"[\\u1946-\\u194F]\",\n mlym: \"[\\u0D66-\\u0D6F]\",\n mong: \"[\\u1810-\\u1819]\",\n mymr: \"[\\u1040-\\u1049]\",\n orya: \"[\\u0B66-\\u0B6F]\",\n tamldec: \"[\\u0BE6-\\u0BEF]\",\n telu: \"[\\u0C66-\\u0C6F]\",\n thai: \"[\\u0E50-\\u0E59]\",\n tibt: \"[\\u0F20-\\u0F29]\",\n latn: \"\\\\d\",\n};\n\nconst numberingSystemsUTF16 = {\n arab: [1632, 1641],\n arabext: [1776, 1785],\n bali: [6992, 7001],\n beng: [2534, 2543],\n deva: [2406, 2415],\n fullwide: [65296, 65303],\n gujr: [2790, 2799],\n khmr: [6112, 6121],\n knda: [3302, 3311],\n laoo: [3792, 3801],\n limb: [6470, 6479],\n mlym: [3430, 3439],\n mong: [6160, 6169],\n mymr: [4160, 4169],\n orya: [2918, 2927],\n tamldec: [3046, 3055],\n telu: [3174, 3183],\n thai: [3664, 3673],\n tibt: [3872, 3881],\n};\n\nconst hanidecChars = numberingSystems.hanidec.replace(/[\\[|\\]]/g, \"\").split(\"\");\n\nexport function parseDigits(str) {\n let value = parseInt(str, 10);\n if (isNaN(value)) {\n value = \"\";\n for (let i = 0; i < str.length; i++) {\n const code = str.charCodeAt(i);\n\n if (str[i].search(numberingSystems.hanidec) !== -1) {\n value += hanidecChars.indexOf(str[i]);\n } else {\n for (const key in numberingSystemsUTF16) {\n const [min, max] = numberingSystemsUTF16[key];\n if (code >= min && code <= max) {\n value += code - min;\n }\n }\n }\n }\n return parseInt(value, 10);\n } else {\n return value;\n }\n}\n\nexport function digitRegex({ numberingSystem }, append = \"\") {\n return new RegExp(`${numberingSystems[numberingSystem || \"latn\"]}${append}`);\n}\n","import { parseMillis, isUndefined, untruncateYear, signedOffset, hasOwnProperty } from \"./util.js\";\nimport Formatter from \"./formatter.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\nimport DateTime from \"../datetime.js\";\nimport { digitRegex, parseDigits } from \"./digits.js\";\nimport { ConflictingSpecificationError } from \"../errors.js\";\n\nconst MISSING_FTP = \"missing Intl.DateTimeFormat.formatToParts support\";\n\nfunction intUnit(regex, post = (i) => i) {\n return { regex, deser: ([s]) => post(parseDigits(s)) };\n}\n\nconst NBSP = String.fromCharCode(160);\nconst spaceOrNBSP = `( |${NBSP})`;\nconst spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, \"g\");\n\nfunction fixListRegex(s) {\n // make dots optional and also make them literal\n // make space and non breakable space characters interchangeable\n return s.replace(/\\./g, \"\\\\.?\").replace(spaceOrNBSPRegExp, spaceOrNBSP);\n}\n\nfunction stripInsensitivities(s) {\n return s\n .replace(/\\./g, \"\") // ignore dots that were made optional\n .replace(spaceOrNBSPRegExp, \" \") // interchange space and nbsp\n .toLowerCase();\n}\n\nfunction oneOf(strings, startIndex) {\n if (strings === null) {\n return null;\n } else {\n return {\n regex: RegExp(strings.map(fixListRegex).join(\"|\")),\n deser: ([s]) =>\n strings.findIndex((i) => stripInsensitivities(s) === stripInsensitivities(i)) + startIndex,\n };\n }\n}\n\nfunction offset(regex, groups) {\n return { regex, deser: ([, h, m]) => signedOffset(h, m), groups };\n}\n\nfunction simple(regex) {\n return { regex, deser: ([s]) => s };\n}\n\nfunction escapeToken(value) {\n return value.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, \"\\\\$&\");\n}\n\nfunction unitForToken(token, loc) {\n const one = digitRegex(loc),\n two = digitRegex(loc, \"{2}\"),\n three = digitRegex(loc, \"{3}\"),\n four = digitRegex(loc, \"{4}\"),\n six = digitRegex(loc, \"{6}\"),\n oneOrTwo = digitRegex(loc, \"{1,2}\"),\n oneToThree = digitRegex(loc, \"{1,3}\"),\n oneToSix = digitRegex(loc, \"{1,6}\"),\n oneToNine = digitRegex(loc, \"{1,9}\"),\n twoToFour = digitRegex(loc, \"{2,4}\"),\n fourToSix = digitRegex(loc, \"{4,6}\"),\n literal = (t) => ({ regex: RegExp(escapeToken(t.val)), deser: ([s]) => s, literal: true }),\n unitate = (t) => {\n if (token.literal) {\n return literal(t);\n }\n switch (t.val) {\n // era\n case \"G\":\n return oneOf(loc.eras(\"short\", false), 0);\n case \"GG\":\n return oneOf(loc.eras(\"long\", false), 0);\n // years\n case \"y\":\n return intUnit(oneToSix);\n case \"yy\":\n return intUnit(twoToFour, untruncateYear);\n case \"yyyy\":\n return intUnit(four);\n case \"yyyyy\":\n return intUnit(fourToSix);\n case \"yyyyyy\":\n return intUnit(six);\n // months\n case \"M\":\n return intUnit(oneOrTwo);\n case \"MM\":\n return intUnit(two);\n case \"MMM\":\n return oneOf(loc.months(\"short\", true, false), 1);\n case \"MMMM\":\n return oneOf(loc.months(\"long\", true, false), 1);\n case \"L\":\n return intUnit(oneOrTwo);\n case \"LL\":\n return intUnit(two);\n case \"LLL\":\n return oneOf(loc.months(\"short\", false, false), 1);\n case \"LLLL\":\n return oneOf(loc.months(\"long\", false, false), 1);\n // dates\n case \"d\":\n return intUnit(oneOrTwo);\n case \"dd\":\n return intUnit(two);\n // ordinals\n case \"o\":\n return intUnit(oneToThree);\n case \"ooo\":\n return intUnit(three);\n // time\n case \"HH\":\n return intUnit(two);\n case \"H\":\n return intUnit(oneOrTwo);\n case \"hh\":\n return intUnit(two);\n case \"h\":\n return intUnit(oneOrTwo);\n case \"mm\":\n return intUnit(two);\n case \"m\":\n return intUnit(oneOrTwo);\n case \"q\":\n return intUnit(oneOrTwo);\n case \"qq\":\n return intUnit(two);\n case \"s\":\n return intUnit(oneOrTwo);\n case \"ss\":\n return intUnit(two);\n case \"S\":\n return intUnit(oneToThree);\n case \"SSS\":\n return intUnit(three);\n case \"u\":\n return simple(oneToNine);\n case \"uu\":\n return simple(oneOrTwo);\n case \"uuu\":\n return intUnit(one);\n // meridiem\n case \"a\":\n return oneOf(loc.meridiems(), 0);\n // weekYear (k)\n case \"kkkk\":\n return intUnit(four);\n case \"kk\":\n return intUnit(twoToFour, untruncateYear);\n // weekNumber (W)\n case \"W\":\n return intUnit(oneOrTwo);\n case \"WW\":\n return intUnit(two);\n // weekdays\n case \"E\":\n case \"c\":\n return intUnit(one);\n case \"EEE\":\n return oneOf(loc.weekdays(\"short\", false, false), 1);\n case \"EEEE\":\n return oneOf(loc.weekdays(\"long\", false, false), 1);\n case \"ccc\":\n return oneOf(loc.weekdays(\"short\", true, false), 1);\n case \"cccc\":\n return oneOf(loc.weekdays(\"long\", true, false), 1);\n // offset/zone\n case \"Z\":\n case \"ZZ\":\n return offset(new RegExp(`([+-]${oneOrTwo.source})(?::(${two.source}))?`), 2);\n case \"ZZZ\":\n return offset(new RegExp(`([+-]${oneOrTwo.source})(${two.source})?`), 2);\n // we don't support ZZZZ (PST) or ZZZZZ (Pacific Standard Time) in parsing\n // because we don't have any way to figure out what they are\n case \"z\":\n return simple(/[a-z_+-/]{1,256}?/i);\n default:\n return literal(t);\n }\n };\n\n const unit = unitate(token) || {\n invalidReason: MISSING_FTP,\n };\n\n unit.token = token;\n\n return unit;\n}\n\nconst partTypeStyleToTokenVal = {\n year: {\n \"2-digit\": \"yy\",\n numeric: \"yyyyy\",\n },\n month: {\n numeric: \"M\",\n \"2-digit\": \"MM\",\n short: \"MMM\",\n long: \"MMMM\",\n },\n day: {\n numeric: \"d\",\n \"2-digit\": \"dd\",\n },\n weekday: {\n short: \"EEE\",\n long: \"EEEE\",\n },\n dayperiod: \"a\",\n dayPeriod: \"a\",\n hour: {\n numeric: \"h\",\n \"2-digit\": \"hh\",\n },\n minute: {\n numeric: \"m\",\n \"2-digit\": \"mm\",\n },\n second: {\n numeric: \"s\",\n \"2-digit\": \"ss\",\n },\n};\n\nfunction tokenForPart(part, locale, formatOpts) {\n const { type, value } = part;\n\n if (type === \"literal\") {\n return {\n literal: true,\n val: value,\n };\n }\n\n const style = formatOpts[type];\n\n let val = partTypeStyleToTokenVal[type];\n if (typeof val === \"object\") {\n val = val[style];\n }\n\n if (val) {\n return {\n literal: false,\n val,\n };\n }\n\n return undefined;\n}\n\nfunction buildRegex(units) {\n const re = units.map((u) => u.regex).reduce((f, r) => `${f}(${r.source})`, \"\");\n return [`^${re}$`, units];\n}\n\nfunction match(input, regex, handlers) {\n const matches = input.match(regex);\n\n if (matches) {\n const all = {};\n let matchIndex = 1;\n for (const i in handlers) {\n if (hasOwnProperty(handlers, i)) {\n const h = handlers[i],\n groups = h.groups ? h.groups + 1 : 1;\n if (!h.literal && h.token) {\n all[h.token.val[0]] = h.deser(matches.slice(matchIndex, matchIndex + groups));\n }\n matchIndex += groups;\n }\n }\n return [matches, all];\n } else {\n return [matches, {}];\n }\n}\n\nfunction dateTimeFromMatches(matches) {\n const toField = (token) => {\n switch (token) {\n case \"S\":\n return \"millisecond\";\n case \"s\":\n return \"second\";\n case \"m\":\n return \"minute\";\n case \"h\":\n case \"H\":\n return \"hour\";\n case \"d\":\n return \"day\";\n case \"o\":\n return \"ordinal\";\n case \"L\":\n case \"M\":\n return \"month\";\n case \"y\":\n return \"year\";\n case \"E\":\n case \"c\":\n return \"weekday\";\n case \"W\":\n return \"weekNumber\";\n case \"k\":\n return \"weekYear\";\n case \"q\":\n return \"quarter\";\n default:\n return null;\n }\n };\n\n let zone = null;\n let specificOffset;\n if (!isUndefined(matches.z)) {\n zone = IANAZone.create(matches.z);\n }\n\n if (!isUndefined(matches.Z)) {\n if (!zone) {\n zone = new FixedOffsetZone(matches.Z);\n }\n specificOffset = matches.Z;\n }\n\n if (!isUndefined(matches.q)) {\n matches.M = (matches.q - 1) * 3 + 1;\n }\n\n if (!isUndefined(matches.h)) {\n if (matches.h < 12 && matches.a === 1) {\n matches.h += 12;\n } else if (matches.h === 12 && matches.a === 0) {\n matches.h = 0;\n }\n }\n\n if (matches.G === 0 && matches.y) {\n matches.y = -matches.y;\n }\n\n if (!isUndefined(matches.u)) {\n matches.S = parseMillis(matches.u);\n }\n\n const vals = Object.keys(matches).reduce((r, k) => {\n const f = toField(k);\n if (f) {\n r[f] = matches[k];\n }\n\n return r;\n }, {});\n\n return [vals, zone, specificOffset];\n}\n\nlet dummyDateTimeCache = null;\n\nfunction getDummyDateTime() {\n if (!dummyDateTimeCache) {\n dummyDateTimeCache = DateTime.fromMillis(1555555555555);\n }\n\n return dummyDateTimeCache;\n}\n\nfunction maybeExpandMacroToken(token, locale) {\n if (token.literal) {\n return token;\n }\n\n const formatOpts = Formatter.macroTokenToFormatOpts(token.val);\n\n if (!formatOpts) {\n return token;\n }\n\n const formatter = Formatter.create(locale, formatOpts);\n const parts = formatter.formatDateTimeParts(getDummyDateTime());\n\n const tokens = parts.map((p) => tokenForPart(p, locale, formatOpts));\n\n if (tokens.includes(undefined)) {\n return token;\n }\n\n return tokens;\n}\n\nfunction expandMacroTokens(tokens, locale) {\n return Array.prototype.concat(...tokens.map((t) => maybeExpandMacroToken(t, locale)));\n}\n\n/**\n * @private\n */\n\nexport function explainFromTokens(locale, input, format) {\n const tokens = expandMacroTokens(Formatter.parseFormat(format), locale),\n units = tokens.map((t) => unitForToken(t, locale)),\n disqualifyingUnit = units.find((t) => t.invalidReason);\n\n if (disqualifyingUnit) {\n return { input, tokens, invalidReason: disqualifyingUnit.invalidReason };\n } else {\n const [regexString, handlers] = buildRegex(units),\n regex = RegExp(regexString, \"i\"),\n [rawMatches, matches] = match(input, regex, handlers),\n [result, zone, specificOffset] = matches\n ? dateTimeFromMatches(matches)\n : [null, null, undefined];\n if (hasOwnProperty(matches, \"a\") && hasOwnProperty(matches, \"H\")) {\n throw new ConflictingSpecificationError(\n \"Can't include meridiem when specifying 24-hour format\"\n );\n }\n return { input, tokens, regex, rawMatches, matches, result, zone, specificOffset };\n }\n}\n\nexport function parseFromTokens(locale, input, format) {\n const { result, zone, specificOffset, invalidReason } = explainFromTokens(locale, input, format);\n return [result, zone, specificOffset, invalidReason];\n}\n","import {\n integerBetween,\n isLeapYear,\n timeObject,\n daysInYear,\n daysInMonth,\n weeksInWeekYear,\n isInteger,\n} from \"./util.js\";\nimport Invalid from \"./invalid.js\";\n\nconst nonLeapLadder = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334],\n leapLadder = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335];\n\nfunction unitOutOfRange(unit, value) {\n return new Invalid(\n \"unit out of range\",\n `you specified ${value} (of type ${typeof value}) as a ${unit}, which is invalid`\n );\n}\n\nfunction dayOfWeek(year, month, day) {\n const js = new Date(Date.UTC(year, month - 1, day)).getUTCDay();\n return js === 0 ? 7 : js;\n}\n\nfunction computeOrdinal(year, month, day) {\n return day + (isLeapYear(year) ? leapLadder : nonLeapLadder)[month - 1];\n}\n\nfunction uncomputeOrdinal(year, ordinal) {\n const table = isLeapYear(year) ? leapLadder : nonLeapLadder,\n month0 = table.findIndex((i) => i < ordinal),\n day = ordinal - table[month0];\n return { month: month0 + 1, day };\n}\n\n/**\n * @private\n */\n\nexport function gregorianToWeek(gregObj) {\n const { year, month, day } = gregObj,\n ordinal = computeOrdinal(year, month, day),\n weekday = dayOfWeek(year, month, day);\n\n let weekNumber = Math.floor((ordinal - weekday + 10) / 7),\n weekYear;\n\n if (weekNumber < 1) {\n weekYear = year - 1;\n weekNumber = weeksInWeekYear(weekYear);\n } else if (weekNumber > weeksInWeekYear(year)) {\n weekYear = year + 1;\n weekNumber = 1;\n } else {\n weekYear = year;\n }\n\n return { weekYear, weekNumber, weekday, ...timeObject(gregObj) };\n}\n\nexport function weekToGregorian(weekData) {\n const { weekYear, weekNumber, weekday } = weekData,\n weekdayOfJan4 = dayOfWeek(weekYear, 1, 4),\n yearInDays = daysInYear(weekYear);\n\n let ordinal = weekNumber * 7 + weekday - weekdayOfJan4 - 3,\n year;\n\n if (ordinal < 1) {\n year = weekYear - 1;\n ordinal += daysInYear(year);\n } else if (ordinal > yearInDays) {\n year = weekYear + 1;\n ordinal -= daysInYear(weekYear);\n } else {\n year = weekYear;\n }\n\n const { month, day } = uncomputeOrdinal(year, ordinal);\n return { year, month, day, ...timeObject(weekData) };\n}\n\nexport function gregorianToOrdinal(gregData) {\n const { year, month, day } = gregData;\n const ordinal = computeOrdinal(year, month, day);\n return { year, ordinal, ...timeObject(gregData) };\n}\n\nexport function ordinalToGregorian(ordinalData) {\n const { year, ordinal } = ordinalData;\n const { month, day } = uncomputeOrdinal(year, ordinal);\n return { year, month, day, ...timeObject(ordinalData) };\n}\n\nexport function hasInvalidWeekData(obj) {\n const validYear = isInteger(obj.weekYear),\n validWeek = integerBetween(obj.weekNumber, 1, weeksInWeekYear(obj.weekYear)),\n validWeekday = integerBetween(obj.weekday, 1, 7);\n\n if (!validYear) {\n return unitOutOfRange(\"weekYear\", obj.weekYear);\n } else if (!validWeek) {\n return unitOutOfRange(\"week\", obj.week);\n } else if (!validWeekday) {\n return unitOutOfRange(\"weekday\", obj.weekday);\n } else return false;\n}\n\nexport function hasInvalidOrdinalData(obj) {\n const validYear = isInteger(obj.year),\n validOrdinal = integerBetween(obj.ordinal, 1, daysInYear(obj.year));\n\n if (!validYear) {\n return unitOutOfRange(\"year\", obj.year);\n } else if (!validOrdinal) {\n return unitOutOfRange(\"ordinal\", obj.ordinal);\n } else return false;\n}\n\nexport function hasInvalidGregorianData(obj) {\n const validYear = isInteger(obj.year),\n validMonth = integerBetween(obj.month, 1, 12),\n validDay = integerBetween(obj.day, 1, daysInMonth(obj.year, obj.month));\n\n if (!validYear) {\n return unitOutOfRange(\"year\", obj.year);\n } else if (!validMonth) {\n return unitOutOfRange(\"month\", obj.month);\n } else if (!validDay) {\n return unitOutOfRange(\"day\", obj.day);\n } else return false;\n}\n\nexport function hasInvalidTimeData(obj) {\n const { hour, minute, second, millisecond } = obj;\n const validHour =\n integerBetween(hour, 0, 23) ||\n (hour === 24 && minute === 0 && second === 0 && millisecond === 0),\n validMinute = integerBetween(minute, 0, 59),\n validSecond = integerBetween(second, 0, 59),\n validMillisecond = integerBetween(millisecond, 0, 999);\n\n if (!validHour) {\n return unitOutOfRange(\"hour\", hour);\n } else if (!validMinute) {\n return unitOutOfRange(\"minute\", minute);\n } else if (!validSecond) {\n return unitOutOfRange(\"second\", second);\n } else if (!validMillisecond) {\n return unitOutOfRange(\"millisecond\", millisecond);\n } else return false;\n}\n","import Duration from \"./duration.js\";\nimport Interval from \"./interval.js\";\nimport Settings from \"./settings.js\";\nimport Info from \"./info.js\";\nimport Formatter from \"./impl/formatter.js\";\nimport FixedOffsetZone from \"./zones/fixedOffsetZone.js\";\nimport Locale from \"./impl/locale.js\";\nimport {\n isUndefined,\n maybeArray,\n isDate,\n isNumber,\n bestBy,\n daysInMonth,\n daysInYear,\n isLeapYear,\n weeksInWeekYear,\n normalizeObject,\n roundTo,\n objToLocalTS,\n padStart,\n} from \"./impl/util.js\";\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\nimport diff from \"./impl/diff.js\";\nimport { parseRFC2822Date, parseISODate, parseHTTPDate, parseSQL } from \"./impl/regexParser.js\";\nimport { parseFromTokens, explainFromTokens } from \"./impl/tokenParser.js\";\nimport {\n gregorianToWeek,\n weekToGregorian,\n gregorianToOrdinal,\n ordinalToGregorian,\n hasInvalidGregorianData,\n hasInvalidWeekData,\n hasInvalidOrdinalData,\n hasInvalidTimeData,\n} from \"./impl/conversions.js\";\nimport * as Formats from \"./impl/formats.js\";\nimport {\n InvalidArgumentError,\n ConflictingSpecificationError,\n InvalidUnitError,\n InvalidDateTimeError,\n} from \"./errors.js\";\nimport Invalid from \"./impl/invalid.js\";\n\nconst INVALID = \"Invalid DateTime\";\nconst MAX_DATE = 8.64e15;\n\nfunction unsupportedZone(zone) {\n return new Invalid(\"unsupported zone\", `the zone \"${zone.name}\" is not supported`);\n}\n\n// we cache week data on the DT object and this intermediates the cache\nfunction possiblyCachedWeekData(dt) {\n if (dt.weekData === null) {\n dt.weekData = gregorianToWeek(dt.c);\n }\n return dt.weekData;\n}\n\n// clone really means, \"make a new object with these modifications\". all \"setters\" really use this\n// to create a new object while only changing some of the properties\nfunction clone(inst, alts) {\n const current = {\n ts: inst.ts,\n zone: inst.zone,\n c: inst.c,\n o: inst.o,\n loc: inst.loc,\n invalid: inst.invalid,\n };\n return new DateTime({ ...current, ...alts, old: current });\n}\n\n// find the right offset a given local time. The o input is our guess, which determines which\n// offset we'll pick in ambiguous cases (e.g. there are two 3 AMs b/c Fallback DST)\nfunction fixOffset(localTS, o, tz) {\n // Our UTC time is just a guess because our offset is just a guess\n let utcGuess = localTS - o * 60 * 1000;\n\n // Test whether the zone matches the offset for this ts\n const o2 = tz.offset(utcGuess);\n\n // If so, offset didn't change and we're done\n if (o === o2) {\n return [utcGuess, o];\n }\n\n // If not, change the ts by the difference in the offset\n utcGuess -= (o2 - o) * 60 * 1000;\n\n // If that gives us the local time we want, we're done\n const o3 = tz.offset(utcGuess);\n if (o2 === o3) {\n return [utcGuess, o2];\n }\n\n // If it's different, we're in a hole time. The offset has changed, but the we don't adjust the time\n return [localTS - Math.min(o2, o3) * 60 * 1000, Math.max(o2, o3)];\n}\n\n// convert an epoch timestamp into a calendar object with the given offset\nfunction tsToObj(ts, offset) {\n ts += offset * 60 * 1000;\n\n const d = new Date(ts);\n\n return {\n year: d.getUTCFullYear(),\n month: d.getUTCMonth() + 1,\n day: d.getUTCDate(),\n hour: d.getUTCHours(),\n minute: d.getUTCMinutes(),\n second: d.getUTCSeconds(),\n millisecond: d.getUTCMilliseconds(),\n };\n}\n\n// convert a calendar object to a epoch timestamp\nfunction objToTS(obj, offset, zone) {\n return fixOffset(objToLocalTS(obj), offset, zone);\n}\n\n// create a new DT instance by adding a duration, adjusting for DSTs\nfunction adjustTime(inst, dur) {\n const oPre = inst.o,\n year = inst.c.year + Math.trunc(dur.years),\n month = inst.c.month + Math.trunc(dur.months) + Math.trunc(dur.quarters) * 3,\n c = {\n ...inst.c,\n year,\n month,\n day:\n Math.min(inst.c.day, daysInMonth(year, month)) +\n Math.trunc(dur.days) +\n Math.trunc(dur.weeks) * 7,\n },\n millisToAdd = Duration.fromObject({\n years: dur.years - Math.trunc(dur.years),\n quarters: dur.quarters - Math.trunc(dur.quarters),\n months: dur.months - Math.trunc(dur.months),\n weeks: dur.weeks - Math.trunc(dur.weeks),\n days: dur.days - Math.trunc(dur.days),\n hours: dur.hours,\n minutes: dur.minutes,\n seconds: dur.seconds,\n milliseconds: dur.milliseconds,\n }).as(\"milliseconds\"),\n localTS = objToLocalTS(c);\n\n let [ts, o] = fixOffset(localTS, oPre, inst.zone);\n\n if (millisToAdd !== 0) {\n ts += millisToAdd;\n // that could have changed the offset by going over a DST, but we want to keep the ts the same\n o = inst.zone.offset(ts);\n }\n\n return { ts, o };\n}\n\n// helper useful in turning the results of parsing into real dates\n// by handling the zone options\nfunction parseDataToDateTime(parsed, parsedZone, opts, format, text, specificOffset) {\n const { setZone, zone } = opts;\n if (parsed && Object.keys(parsed).length !== 0) {\n const interpretationZone = parsedZone || zone,\n inst = DateTime.fromObject(parsed, {\n ...opts,\n zone: interpretationZone,\n specificOffset,\n });\n return setZone ? inst : inst.setZone(zone);\n } else {\n return DateTime.invalid(\n new Invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ${format}`)\n );\n }\n}\n\n// if you want to output a technical format (e.g. RFC 2822), this helper\n// helps handle the details\nfunction toTechFormat(dt, format, allowZ = true) {\n return dt.isValid\n ? Formatter.create(Locale.create(\"en-US\"), {\n allowZ,\n forceSimple: true,\n }).formatDateTimeFromString(dt, format)\n : null;\n}\n\nfunction toISODate(o, extended) {\n const longFormat = o.c.year > 9999 || o.c.year < 0;\n let c = \"\";\n if (longFormat && o.c.year >= 0) c += \"+\";\n c += padStart(o.c.year, longFormat ? 6 : 4);\n\n if (extended) {\n c += \"-\";\n c += padStart(o.c.month);\n c += \"-\";\n c += padStart(o.c.day);\n } else {\n c += padStart(o.c.month);\n c += padStart(o.c.day);\n }\n return c;\n}\n\nfunction toISOTime(o, extended, suppressSeconds, suppressMilliseconds, includeOffset) {\n let c = padStart(o.c.hour);\n if (extended) {\n c += \":\";\n c += padStart(o.c.minute);\n if (o.c.second !== 0 || !suppressSeconds) {\n c += \":\";\n }\n } else {\n c += padStart(o.c.minute);\n }\n\n if (o.c.second !== 0 || !suppressSeconds) {\n c += padStart(o.c.second);\n\n if (o.c.millisecond !== 0 || !suppressMilliseconds) {\n c += \".\";\n c += padStart(o.c.millisecond, 3);\n }\n }\n\n if (includeOffset) {\n if (o.isOffsetFixed && o.offset === 0) {\n c += \"Z\";\n } else if (o.o < 0) {\n c += \"-\";\n c += padStart(Math.trunc(-o.o / 60));\n c += \":\";\n c += padStart(Math.trunc(-o.o % 60));\n } else {\n c += \"+\";\n c += padStart(Math.trunc(o.o / 60));\n c += \":\";\n c += padStart(Math.trunc(o.o % 60));\n }\n }\n return c;\n}\n\n// defaults for unspecified units in the supported calendars\nconst defaultUnitValues = {\n month: 1,\n day: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n },\n defaultWeekUnitValues = {\n weekNumber: 1,\n weekday: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n },\n defaultOrdinalUnitValues = {\n ordinal: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n };\n\n// Units in the supported calendars, sorted by bigness\nconst orderedUnits = [\"year\", \"month\", \"day\", \"hour\", \"minute\", \"second\", \"millisecond\"],\n orderedWeekUnits = [\n \"weekYear\",\n \"weekNumber\",\n \"weekday\",\n \"hour\",\n \"minute\",\n \"second\",\n \"millisecond\",\n ],\n orderedOrdinalUnits = [\"year\", \"ordinal\", \"hour\", \"minute\", \"second\", \"millisecond\"];\n\n// standardize case and plurality in units\nfunction normalizeUnit(unit) {\n const normalized = {\n year: \"year\",\n years: \"year\",\n month: \"month\",\n months: \"month\",\n day: \"day\",\n days: \"day\",\n hour: \"hour\",\n hours: \"hour\",\n minute: \"minute\",\n minutes: \"minute\",\n quarter: \"quarter\",\n quarters: \"quarter\",\n second: \"second\",\n seconds: \"second\",\n millisecond: \"millisecond\",\n milliseconds: \"millisecond\",\n weekday: \"weekday\",\n weekdays: \"weekday\",\n weeknumber: \"weekNumber\",\n weeksnumber: \"weekNumber\",\n weeknumbers: \"weekNumber\",\n weekyear: \"weekYear\",\n weekyears: \"weekYear\",\n ordinal: \"ordinal\",\n }[unit.toLowerCase()];\n\n if (!normalized) throw new InvalidUnitError(unit);\n\n return normalized;\n}\n\n// this is a dumbed down version of fromObject() that runs about 60% faster\n// but doesn't do any validation, makes a bunch of assumptions about what units\n// are present, and so on.\n\n// this is a dumbed down version of fromObject() that runs about 60% faster\n// but doesn't do any validation, makes a bunch of assumptions about what units\n// are present, and so on.\nfunction quickDT(obj, opts) {\n const zone = normalizeZone(opts.zone, Settings.defaultZone),\n loc = Locale.fromObject(opts),\n tsNow = Settings.now();\n\n let ts, o;\n\n // assume we have the higher-order units\n if (!isUndefined(obj.year)) {\n for (const u of orderedUnits) {\n if (isUndefined(obj[u])) {\n obj[u] = defaultUnitValues[u];\n }\n }\n\n const invalid = hasInvalidGregorianData(obj) || hasInvalidTimeData(obj);\n if (invalid) {\n return DateTime.invalid(invalid);\n }\n\n const offsetProvis = zone.offset(tsNow);\n [ts, o] = objToTS(obj, offsetProvis, zone);\n } else {\n ts = tsNow;\n }\n\n return new DateTime({ ts, zone, loc, o });\n}\n\nfunction diffRelative(start, end, opts) {\n const round = isUndefined(opts.round) ? true : opts.round,\n format = (c, unit) => {\n c = roundTo(c, round || opts.calendary ? 0 : 2, true);\n const formatter = end.loc.clone(opts).relFormatter(opts);\n return formatter.format(c, unit);\n },\n differ = (unit) => {\n if (opts.calendary) {\n if (!end.hasSame(start, unit)) {\n return end.startOf(unit).diff(start.startOf(unit), unit).get(unit);\n } else return 0;\n } else {\n return end.diff(start, unit).get(unit);\n }\n };\n\n if (opts.unit) {\n return format(differ(opts.unit), opts.unit);\n }\n\n for (const unit of opts.units) {\n const count = differ(unit);\n if (Math.abs(count) >= 1) {\n return format(count, unit);\n }\n }\n return format(start > end ? -0 : 0, opts.units[opts.units.length - 1]);\n}\n\nfunction lastOpts(argList) {\n let opts = {},\n args;\n if (argList.length > 0 && typeof argList[argList.length - 1] === \"object\") {\n opts = argList[argList.length - 1];\n args = Array.from(argList).slice(0, argList.length - 1);\n } else {\n args = Array.from(argList);\n }\n return [opts, args];\n}\n\n/**\n * A DateTime is an immutable data structure representing a specific date and time and accompanying methods. It contains class and instance methods for creating, parsing, interrogating, transforming, and formatting them.\n *\n * A DateTime comprises of:\n * * A timestamp. Each DateTime instance refers to a specific millisecond of the Unix epoch.\n * * A time zone. Each instance is considered in the context of a specific zone (by default the local system's zone).\n * * Configuration properties that effect how output strings are formatted, such as `locale`, `numberingSystem`, and `outputCalendar`.\n *\n * Here is a brief overview of the most commonly used functionality it provides:\n *\n * * **Creation**: To create a DateTime from its components, use one of its factory class methods: {@link DateTime#local}, {@link DateTime#utc}, and (most flexibly) {@link DateTime#fromObject}. To create one from a standard string format, use {@link DateTime#fromISO}, {@link DateTime#fromHTTP}, and {@link DateTime#fromRFC2822}. To create one from a custom string format, use {@link DateTime#fromFormat}. To create one from a native JS date, use {@link DateTime#fromJSDate}.\n * * **Gregorian calendar and time**: To examine the Gregorian properties of a DateTime individually (i.e as opposed to collectively through {@link DateTime#toObject}), use the {@link DateTime#year}, {@link DateTime#month},\n * {@link DateTime#day}, {@link DateTime#hour}, {@link DateTime#minute}, {@link DateTime#second}, {@link DateTime#millisecond} accessors.\n * * **Week calendar**: For ISO week calendar attributes, see the {@link DateTime#weekYear}, {@link DateTime#weekNumber}, and {@link DateTime#weekday} accessors.\n * * **Configuration** See the {@link DateTime#locale} and {@link DateTime#numberingSystem} accessors.\n * * **Transformation**: To transform the DateTime into other DateTimes, use {@link DateTime#set}, {@link DateTime#reconfigure}, {@link DateTime#setZone}, {@link DateTime#setLocale}, {@link DateTime.plus}, {@link DateTime#minus}, {@link DateTime#endOf}, {@link DateTime#startOf}, {@link DateTime#toUTC}, and {@link DateTime#toLocal}.\n * * **Output**: To convert the DateTime to other representations, use the {@link DateTime#toRelative}, {@link DateTime#toRelativeCalendar}, {@link DateTime#toJSON}, {@link DateTime#toISO}, {@link DateTime#toHTTP}, {@link DateTime#toObject}, {@link DateTime#toRFC2822}, {@link DateTime#toString}, {@link DateTime#toLocaleString}, {@link DateTime#toFormat}, {@link DateTime#toMillis} and {@link DateTime#toJSDate}.\n *\n * There's plenty others documented below. In addition, for more information on subtler topics like internationalization, time zones, alternative calendars, validity, and so on, see the external documentation.\n */\nexport default class DateTime {\n /**\n * @access private\n */\n constructor(config) {\n const zone = config.zone || Settings.defaultZone;\n\n let invalid =\n config.invalid ||\n (Number.isNaN(config.ts) ? new Invalid(\"invalid input\") : null) ||\n (!zone.isValid ? unsupportedZone(zone) : null);\n /**\n * @access private\n */\n this.ts = isUndefined(config.ts) ? Settings.now() : config.ts;\n\n let c = null,\n o = null;\n if (!invalid) {\n const unchanged = config.old && config.old.ts === this.ts && config.old.zone.equals(zone);\n\n if (unchanged) {\n [c, o] = [config.old.c, config.old.o];\n } else {\n const ot = zone.offset(this.ts);\n c = tsToObj(this.ts, ot);\n invalid = Number.isNaN(c.year) ? new Invalid(\"invalid input\") : null;\n c = invalid ? null : c;\n o = invalid ? null : ot;\n }\n }\n\n /**\n * @access private\n */\n this._zone = zone;\n /**\n * @access private\n */\n this.loc = config.loc || Locale.create();\n /**\n * @access private\n */\n this.invalid = invalid;\n /**\n * @access private\n */\n this.weekData = null;\n /**\n * @access private\n */\n this.c = c;\n /**\n * @access private\n */\n this.o = o;\n /**\n * @access private\n */\n this.isLuxonDateTime = true;\n }\n\n // CONSTRUCT\n\n /**\n * Create a DateTime for the current instant, in the system's time zone.\n *\n * Use Settings to override these default values if needed.\n * @example DateTime.now().toISO() //~> now in the ISO format\n * @return {DateTime}\n */\n static now() {\n return new DateTime({});\n }\n\n /**\n * Create a local DateTime\n * @param {number} [year] - The calendar year. If omitted (as in, call `local()` with no arguments), the current time will be used\n * @param {number} [month=1] - The month, 1-indexed\n * @param {number} [day=1] - The day of the month, 1-indexed\n * @param {number} [hour=0] - The hour of the day, in 24-hour time\n * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59\n * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59\n * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999\n * @example DateTime.local() //~> now\n * @example DateTime.local({ zone: \"America/New_York\" }) //~> now, in US east coast time\n * @example DateTime.local(2017) //~> 2017-01-01T00:00:00\n * @example DateTime.local(2017, 3) //~> 2017-03-01T00:00:00\n * @example DateTime.local(2017, 3, 12, { locale: \"fr\" }) //~> 2017-03-12T00:00:00, with a French locale\n * @example DateTime.local(2017, 3, 12, 5) //~> 2017-03-12T05:00:00\n * @example DateTime.local(2017, 3, 12, 5, { zone: \"utc\" }) //~> 2017-03-12T05:00:00, in UTC\n * @example DateTime.local(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00\n * @example DateTime.local(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10\n * @example DateTime.local(2017, 3, 12, 5, 45, 10, 765) //~> 2017-03-12T05:45:10.765\n * @return {DateTime}\n */\n static local() {\n const [opts, args] = lastOpts(arguments),\n [year, month, day, hour, minute, second, millisecond] = args;\n return quickDT({ year, month, day, hour, minute, second, millisecond }, opts);\n }\n\n /**\n * Create a DateTime in UTC\n * @param {number} [year] - The calendar year. If omitted (as in, call `utc()` with no arguments), the current time will be used\n * @param {number} [month=1] - The month, 1-indexed\n * @param {number} [day=1] - The day of the month\n * @param {number} [hour=0] - The hour of the day, in 24-hour time\n * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59\n * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59\n * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999\n * @param {Object} options - configuration options for the DateTime\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} [options.outputCalendar] - the output calendar to set on the resulting DateTime instance\n * @param {string} [options.numberingSystem] - the numbering system to set on the resulting DateTime instance\n * @example DateTime.utc() //~> now\n * @example DateTime.utc(2017) //~> 2017-01-01T00:00:00Z\n * @example DateTime.utc(2017, 3) //~> 2017-03-01T00:00:00Z\n * @example DateTime.utc(2017, 3, 12) //~> 2017-03-12T00:00:00Z\n * @example DateTime.utc(2017, 3, 12, 5) //~> 2017-03-12T05:00:00Z\n * @example DateTime.utc(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00Z\n * @example DateTime.utc(2017, 3, 12, 5, 45, { locale: \"fr\" }) //~> 2017-03-12T05:45:00Z with a French locale\n * @example DateTime.utc(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10Z\n * @example DateTime.utc(2017, 3, 12, 5, 45, 10, 765, { locale: \"fr\" }) //~> 2017-03-12T05:45:10.765Z with a French locale\n * @return {DateTime}\n */\n static utc() {\n const [opts, args] = lastOpts(arguments),\n [year, month, day, hour, minute, second, millisecond] = args;\n\n opts.zone = FixedOffsetZone.utcInstance;\n return quickDT({ year, month, day, hour, minute, second, millisecond }, opts);\n }\n\n /**\n * Create a DateTime from a JavaScript Date object. Uses the default zone.\n * @param {Date} date - a JavaScript Date object\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @return {DateTime}\n */\n static fromJSDate(date, options = {}) {\n const ts = isDate(date) ? date.valueOf() : NaN;\n if (Number.isNaN(ts)) {\n return DateTime.invalid(\"invalid input\");\n }\n\n const zoneToUse = normalizeZone(options.zone, Settings.defaultZone);\n if (!zoneToUse.isValid) {\n return DateTime.invalid(unsupportedZone(zoneToUse));\n }\n\n return new DateTime({\n ts: ts,\n zone: zoneToUse,\n loc: Locale.fromObject(options),\n });\n }\n\n /**\n * Create a DateTime from a number of milliseconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone.\n * @param {number} milliseconds - a number of milliseconds since 1970 UTC\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromMillis(milliseconds, options = {}) {\n if (!isNumber(milliseconds)) {\n throw new InvalidArgumentError(\n `fromMillis requires a numerical input, but received a ${typeof milliseconds} with value ${milliseconds}`\n );\n } else if (milliseconds < -MAX_DATE || milliseconds > MAX_DATE) {\n // this isn't perfect because because we can still end up out of range because of additional shifting, but it's a start\n return DateTime.invalid(\"Timestamp out of range\");\n } else {\n return new DateTime({\n ts: milliseconds,\n zone: normalizeZone(options.zone, Settings.defaultZone),\n loc: Locale.fromObject(options),\n });\n }\n }\n\n /**\n * Create a DateTime from a number of seconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone.\n * @param {number} seconds - a number of seconds since 1970 UTC\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromSeconds(seconds, options = {}) {\n if (!isNumber(seconds)) {\n throw new InvalidArgumentError(\"fromSeconds requires a numerical input\");\n } else {\n return new DateTime({\n ts: seconds * 1000,\n zone: normalizeZone(options.zone, Settings.defaultZone),\n loc: Locale.fromObject(options),\n });\n }\n }\n\n /**\n * Create a DateTime from a JavaScript object with keys like 'year' and 'hour' with reasonable defaults.\n * @param {Object} obj - the object to create the DateTime from\n * @param {number} obj.year - a year, such as 1987\n * @param {number} obj.month - a month, 1-12\n * @param {number} obj.day - a day of the month, 1-31, depending on the month\n * @param {number} obj.ordinal - day of the year, 1-365 or 366\n * @param {number} obj.weekYear - an ISO week year\n * @param {number} obj.weekNumber - an ISO week number, between 1 and 52 or 53, depending on the year\n * @param {number} obj.weekday - an ISO weekday, 1-7, where 1 is Monday and 7 is Sunday\n * @param {number} obj.hour - hour of the day, 0-23\n * @param {number} obj.minute - minute of the hour, 0-59\n * @param {number} obj.second - second of the minute, 0-59\n * @param {number} obj.millisecond - millisecond of the second, 0-999\n * @param {Object} opts - options for creating this DateTime\n * @param {string|Zone} [opts.zone='local'] - interpret the numbers in the context of a particular zone. Can take any value taken as the first argument to setZone()\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromObject({ year: 1982, month: 5, day: 25}).toISODate() //=> '1982-05-25'\n * @example DateTime.fromObject({ year: 1982 }).toISODate() //=> '1982-01-01'\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }) //~> today at 10:26:06\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'utc' }),\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'local' })\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'America/New_York' })\n * @example DateTime.fromObject({ weekYear: 2016, weekNumber: 2, weekday: 3 }).toISODate() //=> '2016-01-13'\n * @return {DateTime}\n */\n static fromObject(obj, opts = {}) {\n obj = obj || {};\n const zoneToUse = normalizeZone(opts.zone, Settings.defaultZone);\n if (!zoneToUse.isValid) {\n return DateTime.invalid(unsupportedZone(zoneToUse));\n }\n\n const tsNow = Settings.now(),\n offsetProvis = !isUndefined(opts.specificOffset)\n ? opts.specificOffset\n : zoneToUse.offset(tsNow),\n normalized = normalizeObject(obj, normalizeUnit),\n containsOrdinal = !isUndefined(normalized.ordinal),\n containsGregorYear = !isUndefined(normalized.year),\n containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day),\n containsGregor = containsGregorYear || containsGregorMD,\n definiteWeekDef = normalized.weekYear || normalized.weekNumber,\n loc = Locale.fromObject(opts);\n\n // cases:\n // just a weekday -> this week's instance of that weekday, no worries\n // (gregorian data or ordinal) + (weekYear or weekNumber) -> error\n // (gregorian month or day) + ordinal -> error\n // otherwise just use weeks or ordinals or gregorian, depending on what's specified\n\n if ((containsGregor || containsOrdinal) && definiteWeekDef) {\n throw new ConflictingSpecificationError(\n \"Can't mix weekYear/weekNumber units with year/month/day or ordinals\"\n );\n }\n\n if (containsGregorMD && containsOrdinal) {\n throw new ConflictingSpecificationError(\"Can't mix ordinal dates with month/day\");\n }\n\n const useWeekData = definiteWeekDef || (normalized.weekday && !containsGregor);\n\n // configure ourselves to deal with gregorian dates or week stuff\n let units,\n defaultValues,\n objNow = tsToObj(tsNow, offsetProvis);\n if (useWeekData) {\n units = orderedWeekUnits;\n defaultValues = defaultWeekUnitValues;\n objNow = gregorianToWeek(objNow);\n } else if (containsOrdinal) {\n units = orderedOrdinalUnits;\n defaultValues = defaultOrdinalUnitValues;\n objNow = gregorianToOrdinal(objNow);\n } else {\n units = orderedUnits;\n defaultValues = defaultUnitValues;\n }\n\n // set default values for missing stuff\n let foundFirst = false;\n for (const u of units) {\n const v = normalized[u];\n if (!isUndefined(v)) {\n foundFirst = true;\n } else if (foundFirst) {\n normalized[u] = defaultValues[u];\n } else {\n normalized[u] = objNow[u];\n }\n }\n\n // make sure the values we have are in range\n const higherOrderInvalid = useWeekData\n ? hasInvalidWeekData(normalized)\n : containsOrdinal\n ? hasInvalidOrdinalData(normalized)\n : hasInvalidGregorianData(normalized),\n invalid = higherOrderInvalid || hasInvalidTimeData(normalized);\n\n if (invalid) {\n return DateTime.invalid(invalid);\n }\n\n // compute the actual time\n const gregorian = useWeekData\n ? weekToGregorian(normalized)\n : containsOrdinal\n ? ordinalToGregorian(normalized)\n : normalized,\n [tsFinal, offsetFinal] = objToTS(gregorian, offsetProvis, zoneToUse),\n inst = new DateTime({\n ts: tsFinal,\n zone: zoneToUse,\n o: offsetFinal,\n loc,\n });\n\n // gregorian data + weekday serves only to validate\n if (normalized.weekday && containsGregor && obj.weekday !== inst.weekday) {\n return DateTime.invalid(\n \"mismatched weekday\",\n `you can't specify both a weekday of ${normalized.weekday} and a date of ${inst.toISO()}`\n );\n }\n\n return inst;\n }\n\n /**\n * Create a DateTime from an ISO 8601 string\n * @param {string} text - the ISO string\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the time to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} [opts.outputCalendar] - the output calendar to set on the resulting DateTime instance\n * @param {string} [opts.numberingSystem] - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromISO('2016-05-25T09:08:34.123')\n * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00')\n * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00', {setZone: true})\n * @example DateTime.fromISO('2016-05-25T09:08:34.123', {zone: 'utc'})\n * @example DateTime.fromISO('2016-W05-4')\n * @return {DateTime}\n */\n static fromISO(text, opts = {}) {\n const [vals, parsedZone] = parseISODate(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"ISO 8601\", text);\n }\n\n /**\n * Create a DateTime from an RFC 2822 string\n * @param {string} text - the RFC 2822 string\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since the offset is always specified in the string itself, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in.\n * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromRFC2822('25 Nov 2016 13:23:12 GMT')\n * @example DateTime.fromRFC2822('Fri, 25 Nov 2016 13:23:12 +0600')\n * @example DateTime.fromRFC2822('25 Nov 2016 13:23 Z')\n * @return {DateTime}\n */\n static fromRFC2822(text, opts = {}) {\n const [vals, parsedZone] = parseRFC2822Date(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"RFC 2822\", text);\n }\n\n /**\n * Create a DateTime from an HTTP header date\n * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1\n * @param {string} text - the HTTP header date\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since HTTP dates are always in UTC, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in.\n * @param {boolean} [opts.setZone=false] - override the zone with the fixed-offset zone specified in the string. For HTTP dates, this is always UTC, so this option is equivalent to setting the `zone` option to 'utc', but this option is included for consistency with similar methods.\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromHTTP('Sun, 06 Nov 1994 08:49:37 GMT')\n * @example DateTime.fromHTTP('Sunday, 06-Nov-94 08:49:37 GMT')\n * @example DateTime.fromHTTP('Sun Nov 6 08:49:37 1994')\n * @return {DateTime}\n */\n static fromHTTP(text, opts = {}) {\n const [vals, parsedZone] = parseHTTPDate(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"HTTP\", opts);\n }\n\n /**\n * Create a DateTime from an input string and format string.\n * Defaults to en-US if no locale has been specified, regardless of the system's locale. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/parsing?id=table-of-tokens).\n * @param {string} text - the string to parse\n * @param {string} fmt - the format the string is expected to be in (see the link below for the formats)\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale\n * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromFormat(text, fmt, opts = {}) {\n if (isUndefined(text) || isUndefined(fmt)) {\n throw new InvalidArgumentError(\"fromFormat requires an input string and a format\");\n }\n\n const { locale = null, numberingSystem = null } = opts,\n localeToUse = Locale.fromOpts({\n locale,\n numberingSystem,\n defaultToEN: true,\n }),\n [vals, parsedZone, specificOffset, invalid] = parseFromTokens(localeToUse, text, fmt);\n if (invalid) {\n return DateTime.invalid(invalid);\n } else {\n return parseDataToDateTime(vals, parsedZone, opts, `format ${fmt}`, text, specificOffset);\n }\n }\n\n /**\n * @deprecated use fromFormat instead\n */\n static fromString(text, fmt, opts = {}) {\n return DateTime.fromFormat(text, fmt, opts);\n }\n\n /**\n * Create a DateTime from a SQL date, time, or datetime\n * Defaults to en-US if no locale has been specified, regardless of the system's locale\n * @param {string} text - the string to parse\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale\n * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @example DateTime.fromSQL('2017-05-15')\n * @example DateTime.fromSQL('2017-05-15 09:12:34')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342+06:00')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles', { setZone: true })\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342', { zone: 'America/Los_Angeles' })\n * @example DateTime.fromSQL('09:12:34.342')\n * @return {DateTime}\n */\n static fromSQL(text, opts = {}) {\n const [vals, parsedZone] = parseSQL(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"SQL\", text);\n }\n\n /**\n * Create an invalid DateTime.\n * @param {string} reason - simple string of why this DateTime is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {DateTime}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the DateTime is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidDateTimeError(invalid);\n } else {\n return new DateTime({ invalid });\n }\n }\n\n /**\n * Check if an object is a DateTime. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isDateTime(o) {\n return (o && o.isLuxonDateTime) || false;\n }\n\n // INFO\n\n /**\n * Get the value of unit.\n * @param {string} unit - a unit such as 'minute' or 'day'\n * @example DateTime.local(2017, 7, 4).get('month'); //=> 7\n * @example DateTime.local(2017, 7, 4).get('day'); //=> 4\n * @return {number}\n */\n get(unit) {\n return this[unit];\n }\n\n /**\n * Returns whether the DateTime is valid. Invalid DateTimes occur when:\n * * The DateTime was created from invalid calendar information, such as the 13th month or February 30\n * * The DateTime was created by an operation on another invalid date\n * @type {boolean}\n */\n get isValid() {\n return this.invalid === null;\n }\n\n /**\n * Returns an error code if this DateTime is invalid, or null if the DateTime is valid\n * @type {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this DateTime became invalid, or null if the DateTime is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Get the locale of a DateTime, such 'en-GB'. The locale is used when formatting the DateTime\n *\n * @type {string}\n */\n get locale() {\n return this.isValid ? this.loc.locale : null;\n }\n\n /**\n * Get the numbering system of a DateTime, such 'beng'. The numbering system is used when formatting the DateTime\n *\n * @type {string}\n */\n get numberingSystem() {\n return this.isValid ? this.loc.numberingSystem : null;\n }\n\n /**\n * Get the output calendar of a DateTime, such 'islamic'. The output calendar is used when formatting the DateTime\n *\n * @type {string}\n */\n get outputCalendar() {\n return this.isValid ? this.loc.outputCalendar : null;\n }\n\n /**\n * Get the time zone associated with this DateTime.\n * @type {Zone}\n */\n get zone() {\n return this._zone;\n }\n\n /**\n * Get the name of the time zone.\n * @type {string}\n */\n get zoneName() {\n return this.isValid ? this.zone.name : null;\n }\n\n /**\n * Get the year\n * @example DateTime.local(2017, 5, 25).year //=> 2017\n * @type {number}\n */\n get year() {\n return this.isValid ? this.c.year : NaN;\n }\n\n /**\n * Get the quarter\n * @example DateTime.local(2017, 5, 25).quarter //=> 2\n * @type {number}\n */\n get quarter() {\n return this.isValid ? Math.ceil(this.c.month / 3) : NaN;\n }\n\n /**\n * Get the month (1-12).\n * @example DateTime.local(2017, 5, 25).month //=> 5\n * @type {number}\n */\n get month() {\n return this.isValid ? this.c.month : NaN;\n }\n\n /**\n * Get the day of the month (1-30ish).\n * @example DateTime.local(2017, 5, 25).day //=> 25\n * @type {number}\n */\n get day() {\n return this.isValid ? this.c.day : NaN;\n }\n\n /**\n * Get the hour of the day (0-23).\n * @example DateTime.local(2017, 5, 25, 9).hour //=> 9\n * @type {number}\n */\n get hour() {\n return this.isValid ? this.c.hour : NaN;\n }\n\n /**\n * Get the minute of the hour (0-59).\n * @example DateTime.local(2017, 5, 25, 9, 30).minute //=> 30\n * @type {number}\n */\n get minute() {\n return this.isValid ? this.c.minute : NaN;\n }\n\n /**\n * Get the second of the minute (0-59).\n * @example DateTime.local(2017, 5, 25, 9, 30, 52).second //=> 52\n * @type {number}\n */\n get second() {\n return this.isValid ? this.c.second : NaN;\n }\n\n /**\n * Get the millisecond of the second (0-999).\n * @example DateTime.local(2017, 5, 25, 9, 30, 52, 654).millisecond //=> 654\n * @type {number}\n */\n get millisecond() {\n return this.isValid ? this.c.millisecond : NaN;\n }\n\n /**\n * Get the week year\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2014, 12, 31).weekYear //=> 2015\n * @type {number}\n */\n get weekYear() {\n return this.isValid ? possiblyCachedWeekData(this).weekYear : NaN;\n }\n\n /**\n * Get the week number of the week year (1-52ish).\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2017, 5, 25).weekNumber //=> 21\n * @type {number}\n */\n get weekNumber() {\n return this.isValid ? possiblyCachedWeekData(this).weekNumber : NaN;\n }\n\n /**\n * Get the day of the week.\n * 1 is Monday and 7 is Sunday\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2014, 11, 31).weekday //=> 4\n * @type {number}\n */\n get weekday() {\n return this.isValid ? possiblyCachedWeekData(this).weekday : NaN;\n }\n\n /**\n * Get the ordinal (meaning the day of the year)\n * @example DateTime.local(2017, 5, 25).ordinal //=> 145\n * @type {number|DateTime}\n */\n get ordinal() {\n return this.isValid ? gregorianToOrdinal(this.c).ordinal : NaN;\n }\n\n /**\n * Get the human readable short month name, such as 'Oct'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).monthShort //=> Oct\n * @type {string}\n */\n get monthShort() {\n return this.isValid ? Info.months(\"short\", { locObj: this.loc })[this.month - 1] : null;\n }\n\n /**\n * Get the human readable long month name, such as 'October'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).monthLong //=> October\n * @type {string}\n */\n get monthLong() {\n return this.isValid ? Info.months(\"long\", { locObj: this.loc })[this.month - 1] : null;\n }\n\n /**\n * Get the human readable short weekday, such as 'Mon'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).weekdayShort //=> Mon\n * @type {string}\n */\n get weekdayShort() {\n return this.isValid ? Info.weekdays(\"short\", { locObj: this.loc })[this.weekday - 1] : null;\n }\n\n /**\n * Get the human readable long weekday, such as 'Monday'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).weekdayLong //=> Monday\n * @type {string}\n */\n get weekdayLong() {\n return this.isValid ? Info.weekdays(\"long\", { locObj: this.loc })[this.weekday - 1] : null;\n }\n\n /**\n * Get the UTC offset of this DateTime in minutes\n * @example DateTime.now().offset //=> -240\n * @example DateTime.utc().offset //=> 0\n * @type {number}\n */\n get offset() {\n return this.isValid ? +this.o : NaN;\n }\n\n /**\n * Get the short human name for the zone's current offset, for example \"EST\" or \"EDT\".\n * Defaults to the system's locale if no locale has been specified\n * @type {string}\n */\n get offsetNameShort() {\n if (this.isValid) {\n return this.zone.offsetName(this.ts, {\n format: \"short\",\n locale: this.locale,\n });\n } else {\n return null;\n }\n }\n\n /**\n * Get the long human name for the zone's current offset, for example \"Eastern Standard Time\" or \"Eastern Daylight Time\".\n * Defaults to the system's locale if no locale has been specified\n * @type {string}\n */\n get offsetNameLong() {\n if (this.isValid) {\n return this.zone.offsetName(this.ts, {\n format: \"long\",\n locale: this.locale,\n });\n } else {\n return null;\n }\n }\n\n /**\n * Get whether this zone's offset ever changes, as in a DST.\n * @type {boolean}\n */\n get isOffsetFixed() {\n return this.isValid ? this.zone.isUniversal : null;\n }\n\n /**\n * Get whether the DateTime is in a DST.\n * @type {boolean}\n */\n get isInDST() {\n if (this.isOffsetFixed) {\n return false;\n } else {\n return (\n this.offset > this.set({ month: 1 }).offset || this.offset > this.set({ month: 5 }).offset\n );\n }\n }\n\n /**\n * Returns true if this DateTime is in a leap year, false otherwise\n * @example DateTime.local(2016).isInLeapYear //=> true\n * @example DateTime.local(2013).isInLeapYear //=> false\n * @type {boolean}\n */\n get isInLeapYear() {\n return isLeapYear(this.year);\n }\n\n /**\n * Returns the number of days in this DateTime's month\n * @example DateTime.local(2016, 2).daysInMonth //=> 29\n * @example DateTime.local(2016, 3).daysInMonth //=> 31\n * @type {number}\n */\n get daysInMonth() {\n return daysInMonth(this.year, this.month);\n }\n\n /**\n * Returns the number of days in this DateTime's year\n * @example DateTime.local(2016).daysInYear //=> 366\n * @example DateTime.local(2013).daysInYear //=> 365\n * @type {number}\n */\n get daysInYear() {\n return this.isValid ? daysInYear(this.year) : NaN;\n }\n\n /**\n * Returns the number of weeks in this DateTime's year\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2004).weeksInWeekYear //=> 53\n * @example DateTime.local(2013).weeksInWeekYear //=> 52\n * @type {number}\n */\n get weeksInWeekYear() {\n return this.isValid ? weeksInWeekYear(this.weekYear) : NaN;\n }\n\n /**\n * Returns the resolved Intl options for this DateTime.\n * This is useful in understanding the behavior of formatting methods\n * @param {Object} opts - the same options as toLocaleString\n * @return {Object}\n */\n resolvedLocaleOptions(opts = {}) {\n const { locale, numberingSystem, calendar } = Formatter.create(\n this.loc.clone(opts),\n opts\n ).resolvedOptions(this);\n return { locale, numberingSystem, outputCalendar: calendar };\n }\n\n // TRANSFORM\n\n /**\n * \"Set\" the DateTime's zone to UTC. Returns a newly-constructed DateTime.\n *\n * Equivalent to {@link DateTime#setZone}('utc')\n * @param {number} [offset=0] - optionally, an offset from UTC in minutes\n * @param {Object} [opts={}] - options to pass to `setZone()`\n * @return {DateTime}\n */\n toUTC(offset = 0, opts = {}) {\n return this.setZone(FixedOffsetZone.instance(offset), opts);\n }\n\n /**\n * \"Set\" the DateTime's zone to the host's local zone. Returns a newly-constructed DateTime.\n *\n * Equivalent to `setZone('local')`\n * @return {DateTime}\n */\n toLocal() {\n return this.setZone(Settings.defaultZone);\n }\n\n /**\n * \"Set\" the DateTime's zone to specified zone. Returns a newly-constructed DateTime.\n *\n * By default, the setter keeps the underlying time the same (as in, the same timestamp), but the new instance will report different local times and consider DSTs when making computations, as with {@link DateTime#plus}. You may wish to use {@link DateTime#toLocal} and {@link DateTime#toUTC} which provide simple convenience wrappers for commonly used zones.\n * @param {string|Zone} [zone='local'] - a zone identifier. As a string, that can be any IANA zone supported by the host environment, or a fixed-offset name of the form 'UTC+3', or the strings 'local' or 'utc'. You may also supply an instance of a {@link DateTime#Zone} class.\n * @param {Object} opts - options\n * @param {boolean} [opts.keepLocalTime=false] - If true, adjust the underlying time so that the local time stays the same, but in the target zone. You should rarely need this.\n * @return {DateTime}\n */\n setZone(zone, { keepLocalTime = false, keepCalendarTime = false } = {}) {\n zone = normalizeZone(zone, Settings.defaultZone);\n if (zone.equals(this.zone)) {\n return this;\n } else if (!zone.isValid) {\n return DateTime.invalid(unsupportedZone(zone));\n } else {\n let newTS = this.ts;\n if (keepLocalTime || keepCalendarTime) {\n const offsetGuess = zone.offset(this.ts);\n const asObj = this.toObject();\n [newTS] = objToTS(asObj, offsetGuess, zone);\n }\n return clone(this, { ts: newTS, zone });\n }\n }\n\n /**\n * \"Set\" the locale, numberingSystem, or outputCalendar. Returns a newly-constructed DateTime.\n * @param {Object} properties - the properties to set\n * @example DateTime.local(2017, 5, 25).reconfigure({ locale: 'en-GB' })\n * @return {DateTime}\n */\n reconfigure({ locale, numberingSystem, outputCalendar } = {}) {\n const loc = this.loc.clone({ locale, numberingSystem, outputCalendar });\n return clone(this, { loc });\n }\n\n /**\n * \"Set\" the locale. Returns a newly-constructed DateTime.\n * Just a convenient alias for reconfigure({ locale })\n * @example DateTime.local(2017, 5, 25).setLocale('en-GB')\n * @return {DateTime}\n */\n setLocale(locale) {\n return this.reconfigure({ locale });\n }\n\n /**\n * \"Set\" the values of specified units. Returns a newly-constructed DateTime.\n * You can only set units with this method; for \"setting\" metadata, see {@link DateTime#reconfigure} and {@link DateTime#setZone}.\n * @param {Object} values - a mapping of units to numbers\n * @example dt.set({ year: 2017 })\n * @example dt.set({ hour: 8, minute: 30 })\n * @example dt.set({ weekday: 5 })\n * @example dt.set({ year: 2005, ordinal: 234 })\n * @return {DateTime}\n */\n set(values) {\n if (!this.isValid) return this;\n\n const normalized = normalizeObject(values, normalizeUnit),\n settingWeekStuff =\n !isUndefined(normalized.weekYear) ||\n !isUndefined(normalized.weekNumber) ||\n !isUndefined(normalized.weekday),\n containsOrdinal = !isUndefined(normalized.ordinal),\n containsGregorYear = !isUndefined(normalized.year),\n containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day),\n containsGregor = containsGregorYear || containsGregorMD,\n definiteWeekDef = normalized.weekYear || normalized.weekNumber;\n\n if ((containsGregor || containsOrdinal) && definiteWeekDef) {\n throw new ConflictingSpecificationError(\n \"Can't mix weekYear/weekNumber units with year/month/day or ordinals\"\n );\n }\n\n if (containsGregorMD && containsOrdinal) {\n throw new ConflictingSpecificationError(\"Can't mix ordinal dates with month/day\");\n }\n\n let mixed;\n if (settingWeekStuff) {\n mixed = weekToGregorian({ ...gregorianToWeek(this.c), ...normalized });\n } else if (!isUndefined(normalized.ordinal)) {\n mixed = ordinalToGregorian({ ...gregorianToOrdinal(this.c), ...normalized });\n } else {\n mixed = { ...this.toObject(), ...normalized };\n\n // if we didn't set the day but we ended up on an overflow date,\n // use the last day of the right month\n if (isUndefined(normalized.day)) {\n mixed.day = Math.min(daysInMonth(mixed.year, mixed.month), mixed.day);\n }\n }\n\n const [ts, o] = objToTS(mixed, this.o, this.zone);\n return clone(this, { ts, o });\n }\n\n /**\n * Add a period of time to this DateTime and return the resulting DateTime\n *\n * Adding hours, minutes, seconds, or milliseconds increases the timestamp by the right number of milliseconds. Adding days, months, or years shifts the calendar, accounting for DSTs and leap years along the way. Thus, `dt.plus({ hours: 24 })` may result in a different time than `dt.plus({ days: 1 })` if there's a DST shift in between.\n * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @example DateTime.now().plus(123) //~> in 123 milliseconds\n * @example DateTime.now().plus({ minutes: 15 }) //~> in 15 minutes\n * @example DateTime.now().plus({ days: 1 }) //~> this time tomorrow\n * @example DateTime.now().plus({ days: -1 }) //~> this time yesterday\n * @example DateTime.now().plus({ hours: 3, minutes: 13 }) //~> in 3 hr, 13 min\n * @example DateTime.now().plus(Duration.fromObject({ hours: 3, minutes: 13 })) //~> in 3 hr, 13 min\n * @return {DateTime}\n */\n plus(duration) {\n if (!this.isValid) return this;\n const dur = Duration.fromDurationLike(duration);\n return clone(this, adjustTime(this, dur));\n }\n\n /**\n * Subtract a period of time to this DateTime and return the resulting DateTime\n * See {@link DateTime#plus}\n * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n @return {DateTime}\n */\n minus(duration) {\n if (!this.isValid) return this;\n const dur = Duration.fromDurationLike(duration).negate();\n return clone(this, adjustTime(this, dur));\n }\n\n /**\n * \"Set\" this DateTime to the beginning of a unit of time.\n * @param {string} unit - The unit to go to the beginning of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'.\n * @example DateTime.local(2014, 3, 3).startOf('month').toISODate(); //=> '2014-03-01'\n * @example DateTime.local(2014, 3, 3).startOf('year').toISODate(); //=> '2014-01-01'\n * @example DateTime.local(2014, 3, 3).startOf('week').toISODate(); //=> '2014-03-03', weeks always start on Mondays\n * @example DateTime.local(2014, 3, 3, 5, 30).startOf('day').toISOTime(); //=> '00:00.000-05:00'\n * @example DateTime.local(2014, 3, 3, 5, 30).startOf('hour').toISOTime(); //=> '05:00:00.000-05:00'\n * @return {DateTime}\n */\n startOf(unit) {\n if (!this.isValid) return this;\n const o = {},\n normalizedUnit = Duration.normalizeUnit(unit);\n switch (normalizedUnit) {\n case \"years\":\n o.month = 1;\n // falls through\n case \"quarters\":\n case \"months\":\n o.day = 1;\n // falls through\n case \"weeks\":\n case \"days\":\n o.hour = 0;\n // falls through\n case \"hours\":\n o.minute = 0;\n // falls through\n case \"minutes\":\n o.second = 0;\n // falls through\n case \"seconds\":\n o.millisecond = 0;\n break;\n case \"milliseconds\":\n break;\n // no default, invalid units throw in normalizeUnit()\n }\n\n if (normalizedUnit === \"weeks\") {\n o.weekday = 1;\n }\n\n if (normalizedUnit === \"quarters\") {\n const q = Math.ceil(this.month / 3);\n o.month = (q - 1) * 3 + 1;\n }\n\n return this.set(o);\n }\n\n /**\n * \"Set\" this DateTime to the end (meaning the last millisecond) of a unit of time\n * @param {string} unit - The unit to go to the end of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'.\n * @example DateTime.local(2014, 3, 3).endOf('month').toISO(); //=> '2014-03-31T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3).endOf('year').toISO(); //=> '2014-12-31T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3).endOf('week').toISO(); // => '2014-03-09T23:59:59.999-05:00', weeks start on Mondays\n * @example DateTime.local(2014, 3, 3, 5, 30).endOf('day').toISO(); //=> '2014-03-03T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3, 5, 30).endOf('hour').toISO(); //=> '2014-03-03T05:59:59.999-05:00'\n * @return {DateTime}\n */\n endOf(unit) {\n return this.isValid\n ? this.plus({ [unit]: 1 })\n .startOf(unit)\n .minus(1)\n : this;\n }\n\n // OUTPUT\n\n /**\n * Returns a string representation of this DateTime formatted according to the specified format string.\n * **You may not want this.** See {@link DateTime#toLocaleString} for a more flexible formatting tool. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/formatting?id=table-of-tokens).\n * Defaults to en-US if no locale has been specified, regardless of the system's locale.\n * @param {string} fmt - the format string\n * @param {Object} opts - opts to override the configuration options on this DateTime\n * @example DateTime.now().toFormat('yyyy LLL dd') //=> '2017 Apr 22'\n * @example DateTime.now().setLocale('fr').toFormat('yyyy LLL dd') //=> '2017 avr. 22'\n * @example DateTime.now().toFormat('yyyy LLL dd', { locale: \"fr\" }) //=> '2017 avr. 22'\n * @example DateTime.now().toFormat(\"HH 'hours and' mm 'minutes'\") //=> '20 hours and 55 minutes'\n * @return {string}\n */\n toFormat(fmt, opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.redefaultToEN(opts)).formatDateTimeFromString(this, fmt)\n : INVALID;\n }\n\n /**\n * Returns a localized string representing this date. Accepts the same options as the Intl.DateTimeFormat constructor and any presets defined by Luxon, such as `DateTime.DATE_FULL` or `DateTime.TIME_SIMPLE`.\n * The exact behavior of this method is browser-specific, but in general it will return an appropriate representation\n * of the DateTime in the assigned locale.\n * Defaults to the system's locale if no locale has been specified\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param formatOpts {Object} - Intl.DateTimeFormat constructor options and configuration options\n * @param {Object} opts - opts to override the configuration options on this DateTime\n * @example DateTime.now().toLocaleString(); //=> 4/20/2017\n * @example DateTime.now().setLocale('en-gb').toLocaleString(); //=> '20/04/2017'\n * @example DateTime.now().toLocaleString({ locale: 'en-gb' }); //=> '20/04/2017'\n * @example DateTime.now().toLocaleString(DateTime.DATE_FULL); //=> 'April 20, 2017'\n * @example DateTime.now().toLocaleString(DateTime.TIME_SIMPLE); //=> '11:32 AM'\n * @example DateTime.now().toLocaleString(DateTime.DATETIME_SHORT); //=> '4/20/2017, 11:32 AM'\n * @example DateTime.now().toLocaleString({ weekday: 'long', month: 'long', day: '2-digit' }); //=> 'Thursday, April 20'\n * @example DateTime.now().toLocaleString({ weekday: 'short', month: 'short', day: '2-digit', hour: '2-digit', minute: '2-digit' }); //=> 'Thu, Apr 20, 11:27 AM'\n * @example DateTime.now().toLocaleString({ hour: '2-digit', minute: '2-digit', hourCycle: 'h23' }); //=> '11:32'\n * @return {string}\n */\n toLocaleString(formatOpts = Formats.DATE_SHORT, opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.clone(opts), formatOpts).formatDateTime(this)\n : INVALID;\n }\n\n /**\n * Returns an array of format \"parts\", meaning individual tokens along with metadata. This is allows callers to post-process individual sections of the formatted output.\n * Defaults to the system's locale if no locale has been specified\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat/formatToParts\n * @param opts {Object} - Intl.DateTimeFormat constructor options, same as `toLocaleString`.\n * @example DateTime.now().toLocaleParts(); //=> [\n * //=> { type: 'day', value: '25' },\n * //=> { type: 'literal', value: '/' },\n * //=> { type: 'month', value: '05' },\n * //=> { type: 'literal', value: '/' },\n * //=> { type: 'year', value: '1982' }\n * //=> ]\n */\n toLocaleParts(opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.clone(opts), opts).formatDateTimeParts(this)\n : [];\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc(1983, 5, 25).toISO() //=> '1982-05-25T00:00:00.000Z'\n * @example DateTime.now().toISO() //=> '2017-04-22T20:47:05.335-04:00'\n * @example DateTime.now().toISO({ includeOffset: false }) //=> '2017-04-22T20:47:05.335'\n * @example DateTime.now().toISO({ format: 'basic' }) //=> '20170422T204705.335-0400'\n * @return {string}\n */\n toISO({\n format = \"extended\",\n suppressSeconds = false,\n suppressMilliseconds = false,\n includeOffset = true,\n } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n const ext = format === \"extended\";\n\n let c = toISODate(this, ext);\n c += \"T\";\n c += toISOTime(this, ext, suppressSeconds, suppressMilliseconds, includeOffset);\n return c;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's date component\n * @param {Object} opts - options\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc(1982, 5, 25).toISODate() //=> '1982-05-25'\n * @example DateTime.utc(1982, 5, 25).toISODate({ format: 'basic' }) //=> '19820525'\n * @return {string}\n */\n toISODate({ format = \"extended\" } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n return toISODate(this, format === \"extended\");\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's week date\n * @example DateTime.utc(1982, 5, 25).toISOWeekDate() //=> '1982-W21-2'\n * @return {string}\n */\n toISOWeekDate() {\n return toTechFormat(this, \"kkkk-'W'WW-c\");\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's time component\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includePrefix=false] - include the `T` prefix\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime() //=> '07:34:19.361Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34, seconds: 0, milliseconds: 0 }).toISOTime({ suppressSeconds: true }) //=> '07:34Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ format: 'basic' }) //=> '073419.361Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ includePrefix: true }) //=> 'T07:34:19.361Z'\n * @return {string}\n */\n toISOTime({\n suppressMilliseconds = false,\n suppressSeconds = false,\n includeOffset = true,\n includePrefix = false,\n format = \"extended\",\n } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n let c = includePrefix ? \"T\" : \"\";\n return (\n c +\n toISOTime(this, format === \"extended\", suppressSeconds, suppressMilliseconds, includeOffset)\n );\n }\n\n /**\n * Returns an RFC 2822-compatible string representation of this DateTime\n * @example DateTime.utc(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 +0000'\n * @example DateTime.local(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 -0400'\n * @return {string}\n */\n toRFC2822() {\n return toTechFormat(this, \"EEE, dd LLL yyyy HH:mm:ss ZZZ\", false);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in HTTP headers. The output is always expressed in GMT.\n * Specifically, the string conforms to RFC 1123.\n * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1\n * @example DateTime.utc(2014, 7, 13).toHTTP() //=> 'Sun, 13 Jul 2014 00:00:00 GMT'\n * @example DateTime.utc(2014, 7, 13, 19).toHTTP() //=> 'Sun, 13 Jul 2014 19:00:00 GMT'\n * @return {string}\n */\n toHTTP() {\n return toTechFormat(this.toUTC(), \"EEE, dd LLL yyyy HH:mm:ss 'GMT'\");\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL Date\n * @example DateTime.utc(2014, 7, 13).toSQLDate() //=> '2014-07-13'\n * @return {string}\n */\n toSQLDate() {\n if (!this.isValid) {\n return null;\n }\n return toISODate(this, true);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL Time\n * @param {Object} opts - options\n * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset.\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00'\n * @example DateTime.utc().toSQL() //=> '05:15:16.345'\n * @example DateTime.now().toSQL() //=> '05:15:16.345 -04:00'\n * @example DateTime.now().toSQL({ includeOffset: false }) //=> '05:15:16.345'\n * @example DateTime.now().toSQL({ includeZone: false }) //=> '05:15:16.345 America/New_York'\n * @return {string}\n */\n toSQLTime({ includeOffset = true, includeZone = false, includeOffsetSpace = true } = {}) {\n let fmt = \"HH:mm:ss.SSS\";\n\n if (includeZone || includeOffset) {\n if (includeOffsetSpace) {\n fmt += \" \";\n }\n if (includeZone) {\n fmt += \"z\";\n } else if (includeOffset) {\n fmt += \"ZZ\";\n }\n }\n\n return toTechFormat(this, fmt, true);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL DateTime\n * @param {Object} opts - options\n * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset.\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00'\n * @example DateTime.utc(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 Z'\n * @example DateTime.local(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 -04:00'\n * @example DateTime.local(2014, 7, 13).toSQL({ includeOffset: false }) //=> '2014-07-13 00:00:00.000'\n * @example DateTime.local(2014, 7, 13).toSQL({ includeZone: true }) //=> '2014-07-13 00:00:00.000 America/New_York'\n * @return {string}\n */\n toSQL(opts = {}) {\n if (!this.isValid) {\n return null;\n }\n\n return `${this.toSQLDate()} ${this.toSQLTime(opts)}`;\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for debugging\n * @return {string}\n */\n toString() {\n return this.isValid ? this.toISO() : INVALID;\n }\n\n /**\n * Returns the epoch milliseconds of this DateTime. Alias of {@link DateTime#toMillis}\n * @return {number}\n */\n valueOf() {\n return this.toMillis();\n }\n\n /**\n * Returns the epoch milliseconds of this DateTime.\n * @return {number}\n */\n toMillis() {\n return this.isValid ? this.ts : NaN;\n }\n\n /**\n * Returns the epoch seconds of this DateTime.\n * @return {number}\n */\n toSeconds() {\n return this.isValid ? this.ts / 1000 : NaN;\n }\n\n /**\n * Returns the epoch seconds (as a whole number) of this DateTime.\n * @return {number}\n */\n toUnixInteger() {\n return this.isValid ? Math.floor(this.ts / 1000) : NaN;\n }\n\n /**\n * Returns an ISO 8601 representation of this DateTime appropriate for use in JSON.\n * @return {string}\n */\n toJSON() {\n return this.toISO();\n }\n\n /**\n * Returns a BSON serializable equivalent to this DateTime.\n * @return {Date}\n */\n toBSON() {\n return this.toJSDate();\n }\n\n /**\n * Returns a JavaScript object with this DateTime's year, month, day, and so on.\n * @param opts - options for generating the object\n * @param {boolean} [opts.includeConfig=false] - include configuration attributes in the output\n * @example DateTime.now().toObject() //=> { year: 2017, month: 4, day: 22, hour: 20, minute: 49, second: 42, millisecond: 268 }\n * @return {Object}\n */\n toObject(opts = {}) {\n if (!this.isValid) return {};\n\n const base = { ...this.c };\n\n if (opts.includeConfig) {\n base.outputCalendar = this.outputCalendar;\n base.numberingSystem = this.loc.numberingSystem;\n base.locale = this.loc.locale;\n }\n return base;\n }\n\n /**\n * Returns a JavaScript Date equivalent to this DateTime.\n * @return {Date}\n */\n toJSDate() {\n return new Date(this.isValid ? this.ts : NaN);\n }\n\n // COMPARE\n\n /**\n * Return the difference between two DateTimes as a Duration.\n * @param {DateTime} otherDateTime - the DateTime to compare this one to\n * @param {string|string[]} [unit=['milliseconds']] - the unit or array of units (such as 'hours' or 'days') to include in the duration.\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @example\n * var i1 = DateTime.fromISO('1982-05-25T09:45'),\n * i2 = DateTime.fromISO('1983-10-14T10:30');\n * i2.diff(i1).toObject() //=> { milliseconds: 43807500000 }\n * i2.diff(i1, 'hours').toObject() //=> { hours: 12168.75 }\n * i2.diff(i1, ['months', 'days']).toObject() //=> { months: 16, days: 19.03125 }\n * i2.diff(i1, ['months', 'days', 'hours']).toObject() //=> { months: 16, days: 19, hours: 0.75 }\n * @return {Duration}\n */\n diff(otherDateTime, unit = \"milliseconds\", opts = {}) {\n if (!this.isValid || !otherDateTime.isValid) {\n return Duration.invalid(\"created by diffing an invalid DateTime\");\n }\n\n const durOpts = { locale: this.locale, numberingSystem: this.numberingSystem, ...opts };\n\n const units = maybeArray(unit).map(Duration.normalizeUnit),\n otherIsLater = otherDateTime.valueOf() > this.valueOf(),\n earlier = otherIsLater ? this : otherDateTime,\n later = otherIsLater ? otherDateTime : this,\n diffed = diff(earlier, later, units, durOpts);\n\n return otherIsLater ? diffed.negate() : diffed;\n }\n\n /**\n * Return the difference between this DateTime and right now.\n * See {@link DateTime#diff}\n * @param {string|string[]} [unit=['milliseconds']] - the unit or units units (such as 'hours' or 'days') to include in the duration\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n diffNow(unit = \"milliseconds\", opts = {}) {\n return this.diff(DateTime.now(), unit, opts);\n }\n\n /**\n * Return an Interval spanning between this DateTime and another DateTime\n * @param {DateTime} otherDateTime - the other end point of the Interval\n * @return {Interval}\n */\n until(otherDateTime) {\n return this.isValid ? Interval.fromDateTimes(this, otherDateTime) : this;\n }\n\n /**\n * Return whether this DateTime is in the same unit of time as another DateTime.\n * Higher-order units must also be identical for this function to return `true`.\n * Note that time zones are **ignored** in this comparison, which compares the **local** calendar time. Use {@link DateTime#setZone} to convert one of the dates if needed.\n * @param {DateTime} otherDateTime - the other DateTime\n * @param {string} unit - the unit of time to check sameness on\n * @example DateTime.now().hasSame(otherDT, 'day'); //~> true if otherDT is in the same current calendar day\n * @return {boolean}\n */\n hasSame(otherDateTime, unit) {\n if (!this.isValid) return false;\n\n const inputMs = otherDateTime.valueOf();\n const adjustedToZone = this.setZone(otherDateTime.zone, { keepLocalTime: true });\n return adjustedToZone.startOf(unit) <= inputMs && inputMs <= adjustedToZone.endOf(unit);\n }\n\n /**\n * Equality check\n * Two DateTimes are equal iff they represent the same millisecond, have the same zone and location, and are both valid.\n * To compare just the millisecond values, use `+dt1 === +dt2`.\n * @param {DateTime} other - the other DateTime\n * @return {boolean}\n */\n equals(other) {\n return (\n this.isValid &&\n other.isValid &&\n this.valueOf() === other.valueOf() &&\n this.zone.equals(other.zone) &&\n this.loc.equals(other.loc)\n );\n }\n\n /**\n * Returns a string representation of a this time relative to now, such as \"in two days\". Can only internationalize if your\n * platform supports Intl.RelativeTimeFormat. Rounds down by default.\n * @param {Object} options - options that affect the output\n * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now.\n * @param {string} [options.style=\"long\"] - the style of units, must be \"long\", \"short\", or \"narrow\"\n * @param {string|string[]} options.unit - use a specific unit or array of units; if omitted, or an array, the method will pick the best unit. Use an array or one of \"years\", \"quarters\", \"months\", \"weeks\", \"days\", \"hours\", \"minutes\", or \"seconds\"\n * @param {boolean} [options.round=true] - whether to round the numbers in the output.\n * @param {number} [options.padding=0] - padding in milliseconds. This allows you to round up the result if it fits inside the threshold. Don't use in combination with {round: false} because the decimal output will include the padding.\n * @param {string} options.locale - override the locale of this DateTime\n * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this\n * @example DateTime.now().plus({ days: 1 }).toRelative() //=> \"in 1 day\"\n * @example DateTime.now().setLocale(\"es\").toRelative({ days: 1 }) //=> \"dentro de 1 día\"\n * @example DateTime.now().plus({ days: 1 }).toRelative({ locale: \"fr\" }) //=> \"dans 23 heures\"\n * @example DateTime.now().minus({ days: 2 }).toRelative() //=> \"2 days ago\"\n * @example DateTime.now().minus({ days: 2 }).toRelative({ unit: \"hours\" }) //=> \"48 hours ago\"\n * @example DateTime.now().minus({ hours: 36 }).toRelative({ round: false }) //=> \"1.5 days ago\"\n */\n toRelative(options = {}) {\n if (!this.isValid) return null;\n const base = options.base || DateTime.fromObject({}, { zone: this.zone }),\n padding = options.padding ? (this < base ? -options.padding : options.padding) : 0;\n let units = [\"years\", \"months\", \"days\", \"hours\", \"minutes\", \"seconds\"];\n let unit = options.unit;\n if (Array.isArray(options.unit)) {\n units = options.unit;\n unit = undefined;\n }\n return diffRelative(base, this.plus(padding), {\n ...options,\n numeric: \"always\",\n units,\n unit,\n });\n }\n\n /**\n * Returns a string representation of this date relative to today, such as \"yesterday\" or \"next month\".\n * Only internationalizes on platforms that supports Intl.RelativeTimeFormat.\n * @param {Object} options - options that affect the output\n * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now.\n * @param {string} options.locale - override the locale of this DateTime\n * @param {string} options.unit - use a specific unit; if omitted, the method will pick the unit. Use one of \"years\", \"quarters\", \"months\", \"weeks\", or \"days\"\n * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this\n * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar() //=> \"tomorrow\"\n * @example DateTime.now().setLocale(\"es\").plus({ days: 1 }).toRelative() //=> \"\"mañana\"\n * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar({ locale: \"fr\" }) //=> \"demain\"\n * @example DateTime.now().minus({ days: 2 }).toRelativeCalendar() //=> \"2 days ago\"\n */\n toRelativeCalendar(options = {}) {\n if (!this.isValid) return null;\n\n return diffRelative(options.base || DateTime.fromObject({}, { zone: this.zone }), this, {\n ...options,\n numeric: \"auto\",\n units: [\"years\", \"months\", \"days\"],\n calendary: true,\n });\n }\n\n /**\n * Return the min of several date times\n * @param {...DateTime} dateTimes - the DateTimes from which to choose the minimum\n * @return {DateTime} the min DateTime, or undefined if called with no argument\n */\n static min(...dateTimes) {\n if (!dateTimes.every(DateTime.isDateTime)) {\n throw new InvalidArgumentError(\"min requires all arguments be DateTimes\");\n }\n return bestBy(dateTimes, (i) => i.valueOf(), Math.min);\n }\n\n /**\n * Return the max of several date times\n * @param {...DateTime} dateTimes - the DateTimes from which to choose the maximum\n * @return {DateTime} the max DateTime, or undefined if called with no argument\n */\n static max(...dateTimes) {\n if (!dateTimes.every(DateTime.isDateTime)) {\n throw new InvalidArgumentError(\"max requires all arguments be DateTimes\");\n }\n return bestBy(dateTimes, (i) => i.valueOf(), Math.max);\n }\n\n // MISC\n\n /**\n * Explain how a string would be parsed by fromFormat()\n * @param {string} text - the string to parse\n * @param {string} fmt - the format the string is expected to be in (see description)\n * @param {Object} options - options taken by fromFormat()\n * @return {Object}\n */\n static fromFormatExplain(text, fmt, options = {}) {\n const { locale = null, numberingSystem = null } = options,\n localeToUse = Locale.fromOpts({\n locale,\n numberingSystem,\n defaultToEN: true,\n });\n return explainFromTokens(localeToUse, text, fmt);\n }\n\n /**\n * @deprecated use fromFormatExplain instead\n */\n static fromStringExplain(text, fmt, options = {}) {\n return DateTime.fromFormatExplain(text, fmt, options);\n }\n\n // FORMAT PRESETS\n\n /**\n * {@link DateTime#toLocaleString} format like 10/14/1983\n * @type {Object}\n */\n static get DATE_SHORT() {\n return Formats.DATE_SHORT;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983'\n * @type {Object}\n */\n static get DATE_MED() {\n return Formats.DATE_MED;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Fri, Oct 14, 1983'\n * @type {Object}\n */\n static get DATE_MED_WITH_WEEKDAY() {\n return Formats.DATE_MED_WITH_WEEKDAY;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983'\n * @type {Object}\n */\n static get DATE_FULL() {\n return Formats.DATE_FULL;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Tuesday, October 14, 1983'\n * @type {Object}\n */\n static get DATE_HUGE() {\n return Formats.DATE_HUGE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_SIMPLE() {\n return Formats.TIME_SIMPLE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_SECONDS() {\n return Formats.TIME_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_SHORT_OFFSET() {\n return Formats.TIME_WITH_SHORT_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_LONG_OFFSET() {\n return Formats.TIME_WITH_LONG_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_SIMPLE() {\n return Formats.TIME_24_SIMPLE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_SECONDS() {\n return Formats.TIME_24_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 EDT', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_SHORT_OFFSET() {\n return Formats.TIME_24_WITH_SHORT_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 Eastern Daylight Time', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_LONG_OFFSET() {\n return Formats.TIME_24_WITH_LONG_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_SHORT() {\n return Formats.DATETIME_SHORT;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30:33 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_SHORT_WITH_SECONDS() {\n return Formats.DATETIME_SHORT_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED() {\n return Formats.DATETIME_MED;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30:33 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED_WITH_SECONDS() {\n return Formats.DATETIME_MED_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Fri, 14 Oct 1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED_WITH_WEEKDAY() {\n return Formats.DATETIME_MED_WITH_WEEKDAY;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_FULL() {\n return Formats.DATETIME_FULL;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30:33 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_FULL_WITH_SECONDS() {\n return Formats.DATETIME_FULL_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_HUGE() {\n return Formats.DATETIME_HUGE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30:33 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_HUGE_WITH_SECONDS() {\n return Formats.DATETIME_HUGE_WITH_SECONDS;\n }\n}\n\n/**\n * @private\n */\nexport function friendlyDateTime(dateTimeish) {\n if (DateTime.isDateTime(dateTimeish)) {\n return dateTimeish;\n } else if (dateTimeish && dateTimeish.valueOf && isNumber(dateTimeish.valueOf())) {\n return DateTime.fromJSDate(dateTimeish);\n } else if (dateTimeish && typeof dateTimeish === \"object\") {\n return DateTime.fromObject(dateTimeish);\n } else {\n throw new InvalidArgumentError(\n `Unknown datetime argument: ${dateTimeish}, of type ${typeof dateTimeish}`\n );\n }\n}\n","import DateTime from \"./datetime.js\";\nimport Duration from \"./duration.js\";\nimport Interval from \"./interval.js\";\nimport Info from \"./info.js\";\nimport Zone from \"./zone.js\";\nimport FixedOffsetZone from \"./zones/fixedOffsetZone.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport InvalidZone from \"./zones/invalidZone.js\";\nimport SystemZone from \"./zones/systemZone.js\";\nimport Settings from \"./settings.js\";\n\nconst VERSION = \"2.3.1\";\n\nexport {\n VERSION,\n DateTime,\n Duration,\n Interval,\n Info,\n Zone,\n FixedOffsetZone,\n IANAZone,\n InvalidZone,\n SystemZone,\n 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this.isValid?this.splitBy(this.length()/e).slice(0,e):[]},e.overlaps=function(e){return this.e>e.s&&this.s=e.e)},e.equals=function(e){return!(!this.isValid||!e.isValid)&&(this.s.equals(e.s)&&this.e.equals(e.e))},e.intersection=function(e){if(!this.isValid)return this;var t=(this.s>e.s?this:e).s,e=(this.ee.e?this:e).e;return c.fromDateTimes(t,e)},c.merge=function(e){var t=e.sort(function(e,t){return e.s-t.s}).reduce(function(e,t){var n=e[0],e=e[1];return e?e.overlaps(t)||e.abutsStart(t)?[n,e.union(t)]:[n.concat([e]),t]:[n,t]},[[],null]),e=t[0],t=t[1];return t&&e.push(t),e},c.xor=function(e){for(var t=null,n=0,r=[],i=e.map(function(e){return[{time:e.s,type:"s"},{time:e.e,type:"e"}]}),o=_createForOfIteratorHelperLoose((e=Array.prototype).concat.apply(e,i).sort(function(e,t){return e.time-t.time}));!(a=o()).done;)var a=a.value,t=1===(n+="s"===a.type?1:-1)?a.time:(t&&+t!=+a.time&&r.push(c.fromDateTimes(t,a.time)),null);return c.merge(r)},e.difference=function(){for(var t=this,e=arguments.length,n=new Array(e),r=0;rweeksInWeekYear(n)?(t=n+1,o=1):t=n,_extends({weekYear:t,weekNumber:o,weekday:i},timeObject(e))}function weekToGregorian(e){var t,n=e.weekYear,r=e.weekNumber,i=e.weekday,o=dayOfWeek(n,1,4),a=daysInYear(n),o=7*r+i-o-3;o<1?o+=daysInYear(t=n-1):athis.valueOf(),r=_diff(t?this:e,t?e:this,n,r);return t?r.negate():r},e.diffNow=function(e,t){return void 0===e&&(e="milliseconds"),void 0===t&&(t={}),this.diff(v.now(),e,t)},e.until=function(e){return this.isValid?Interval.fromDateTimes(this,e):this},e.hasSame=function(e,t){if(!this.isValid)return!1;var n=e.valueOf(),e=this.setZone(e.zone,{keepLocalTime:!0});return e.startOf(t)<=n&&n<=e.endOf(t)},e.equals=function(e){return this.isValid&&e.isValid&&this.valueOf()===e.valueOf()&&this.zone.equals(e.zone)&&this.loc.equals(e.loc)},e.toRelative=function(e){if(!this.isValid)return null;var t=(e=void 0===e?{}:e).base||v.fromObject({},{zone:this.zone}),n=e.padding?thisthis.set({month:1}).offset||this.offset>this.set({month:5}).offset)}},{key:"isInLeapYear",get:function(){return isLeapYear(this.year)}},{key:"daysInMonth",get:function(){return daysInMonth(this.year,this.month)}},{key:"daysInYear",get:function(){return this.isValid?daysInYear(this.year):NaN}},{key:"weeksInWeekYear",get:function(){return this.isValid?weeksInWeekYear(this.weekYear):NaN}}],[{key:"DATE_SHORT",get:function(){return DATE_SHORT}},{key:"DATE_MED",get:function(){return DATE_MED}},{key:"DATE_MED_WITH_WEEKDAY",get:function(){return DATE_MED_WITH_WEEKDAY}},{key:"DATE_FULL",get:function(){return DATE_FULL}},{key:"DATE_HUGE",get:function(){return DATE_HUGE}},{key:"TIME_SIMPLE",get:function(){return TIME_SIMPLE}},{key:"TIME_WITH_SECONDS",get:function(){return TIME_WITH_SECONDS}},{key:"TIME_WITH_SHORT_OFFSET",get:function(){return TIME_WITH_SHORT_OFFSET}},{key:"TIME_WITH_LONG_OFFSET",get:function(){return TIME_WITH_LONG_OFFSET}},{key:"TIME_24_SIMPLE",get:function(){return TIME_24_SIMPLE}},{key:"TIME_24_WITH_SECONDS",get:function(){return TIME_24_WITH_SECONDS}},{key:"TIME_24_WITH_SHORT_OFFSET",get:function(){return TIME_24_WITH_SHORT_OFFSET}},{key:"TIME_24_WITH_LONG_OFFSET",get:function(){return TIME_24_WITH_LONG_OFFSET}},{key:"DATETIME_SHORT",get:function(){return DATETIME_SHORT}},{key:"DATETIME_SHORT_WITH_SECONDS",get:function(){return DATETIME_SHORT_WITH_SECONDS}},{key:"DATETIME_MED",get:function(){return DATETIME_MED}},{key:"DATETIME_MED_WITH_SECONDS",get:function(){return DATETIME_MED_WITH_SECONDS}},{key:"DATETIME_MED_WITH_WEEKDAY",get:function(){return DATETIME_MED_WITH_WEEKDAY}},{key:"DATETIME_FULL",get:function(){return DATETIME_FULL}},{key:"DATETIME_FULL_WITH_SECONDS",get:function(){return DATETIME_FULL_WITH_SECONDS}},{key:"DATETIME_HUGE",get:function(){return DATETIME_HUGE}},{key:"DATETIME_HUGE_WITH_SECONDS",get:function(){return DATETIME_HUGE_WITH_SECONDS}}]),v}();function friendlyDateTime(e){if(DateTime.isDateTime(e))return e;if(e&&e.valueOf&&isNumber(e.valueOf()))return DateTime.fromJSDate(e);if(e&&"object"==typeof e)return DateTime.fromObject(e);throw new InvalidArgumentError("Unknown datetime argument: "+e+", of type "+typeof e)}var VERSION="2.3.1";exports.DateTime=DateTime,exports.Duration=Duration,exports.FixedOffsetZone=FixedOffsetZone,exports.IANAZone=IANAZone,exports.Info=Info,exports.Interval=Interval,exports.InvalidZone=InvalidZone,exports.Settings=Settings,exports.SystemZone=SystemZone,exports.VERSION=VERSION,exports.Zone=Zone; \ No newline at end of file diff --git a/GWMS.UI/wwwroot/lib/luxon/luxon.js b/GWMS.UI/wwwroot/lib/luxon/luxon.js new file mode 100644 index 0000000..eba034a --- /dev/null +++ b/GWMS.UI/wwwroot/lib/luxon/luxon.js @@ -0,0 +1,8493 @@ +var luxon = (function (exports) { + 'use strict'; + + function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + return Constructor; + } + + function _extends() { + _extends = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; + }; + + return _extends.apply(this, arguments); + } + + function _inheritsLoose(subClass, superClass) { + subClass.prototype = Object.create(superClass.prototype); + subClass.prototype.constructor = subClass; + + _setPrototypeOf(subClass, superClass); + } + + function _getPrototypeOf(o) { + _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { + return o.__proto__ || Object.getPrototypeOf(o); + }; + return _getPrototypeOf(o); + } + + function _setPrototypeOf(o, p) { + _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { + o.__proto__ = p; + return o; + }; + + return _setPrototypeOf(o, p); + } + + function _isNativeReflectConstruct() { + if (typeof Reflect === "undefined" || !Reflect.construct) return false; + if (Reflect.construct.sham) return false; + if (typeof Proxy === "function") return true; + + try { + Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); + return true; + } catch (e) { + return false; + } + } + + function _construct(Parent, args, Class) { + if (_isNativeReflectConstruct()) { + _construct = Reflect.construct; + } else { + _construct = function _construct(Parent, args, Class) { + var a = [null]; + a.push.apply(a, args); + var Constructor = Function.bind.apply(Parent, a); + var instance = new Constructor(); + if (Class) _setPrototypeOf(instance, Class.prototype); + return instance; + }; + } + + return _construct.apply(null, arguments); + } + + function _isNativeFunction(fn) { + return Function.toString.call(fn).indexOf("[native code]") !== -1; + } + + function _wrapNativeSuper(Class) { + var _cache = typeof Map === "function" ? new Map() : undefined; + + _wrapNativeSuper = function _wrapNativeSuper(Class) { + if (Class === null || !_isNativeFunction(Class)) return Class; + + if (typeof Class !== "function") { + throw new TypeError("Super expression must either be null or a function"); + } + + if (typeof _cache !== "undefined") { + if (_cache.has(Class)) return _cache.get(Class); + + _cache.set(Class, Wrapper); + } + + function Wrapper() { + return _construct(Class, arguments, _getPrototypeOf(this).constructor); + } + + Wrapper.prototype = Object.create(Class.prototype, { + constructor: { + value: Wrapper, + enumerable: false, + writable: true, + configurable: true + } + }); + return _setPrototypeOf(Wrapper, Class); + }; + + return _wrapNativeSuper(Class); + } + + function _objectWithoutPropertiesLoose(source, excluded) { + if (source == null) return {}; + var target = {}; + var sourceKeys = Object.keys(source); + var key, i; + + for (i = 0; i < sourceKeys.length; i++) { + key = sourceKeys[i]; + if (excluded.indexOf(key) >= 0) continue; + target[key] = source[key]; + } + + return target; + } + + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + + return arr2; + } + + function _createForOfIteratorHelperLoose(o, allowArrayLike) { + var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; + if (it) return (it = it.call(o)).next.bind(it); + + if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { + if (it) o = it; + var i = 0; + return function () { + if (i >= o.length) return { + done: true + }; + return { + done: false, + value: o[i++] + }; + }; + } + + throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + + // these aren't really private, but nor are they really useful to document + + /** + * @private + */ + var LuxonError = /*#__PURE__*/function (_Error) { + _inheritsLoose(LuxonError, _Error); + + function LuxonError() { + return _Error.apply(this, arguments) || this; + } + + return LuxonError; + }( /*#__PURE__*/_wrapNativeSuper(Error)); + /** + * @private + */ + + + var InvalidDateTimeError = /*#__PURE__*/function (_LuxonError) { + _inheritsLoose(InvalidDateTimeError, _LuxonError); + + function InvalidDateTimeError(reason) { + return _LuxonError.call(this, "Invalid DateTime: " + reason.toMessage()) || this; + } + + return InvalidDateTimeError; + }(LuxonError); + /** + * @private + */ + + var InvalidIntervalError = /*#__PURE__*/function (_LuxonError2) { + _inheritsLoose(InvalidIntervalError, _LuxonError2); + + function InvalidIntervalError(reason) { + return _LuxonError2.call(this, "Invalid Interval: " + reason.toMessage()) || this; + } + + return InvalidIntervalError; + }(LuxonError); + /** + * @private + */ + + var InvalidDurationError = /*#__PURE__*/function (_LuxonError3) { + _inheritsLoose(InvalidDurationError, _LuxonError3); + + function InvalidDurationError(reason) { + return _LuxonError3.call(this, "Invalid Duration: " + reason.toMessage()) || this; + } + + return InvalidDurationError; + }(LuxonError); + /** + * @private + */ + + var ConflictingSpecificationError = /*#__PURE__*/function (_LuxonError4) { + _inheritsLoose(ConflictingSpecificationError, _LuxonError4); + + function ConflictingSpecificationError() { + return _LuxonError4.apply(this, arguments) || this; + } + + return ConflictingSpecificationError; + }(LuxonError); + /** + * @private + */ + + var InvalidUnitError = /*#__PURE__*/function (_LuxonError5) { + _inheritsLoose(InvalidUnitError, _LuxonError5); + + function InvalidUnitError(unit) { + return _LuxonError5.call(this, "Invalid unit " + unit) || this; + } + + return InvalidUnitError; + }(LuxonError); + /** + * @private + */ + + var InvalidArgumentError = /*#__PURE__*/function (_LuxonError6) { + _inheritsLoose(InvalidArgumentError, _LuxonError6); + + function InvalidArgumentError() { + return _LuxonError6.apply(this, arguments) || this; + } + + return InvalidArgumentError; + }(LuxonError); + /** + * @private + */ + + var ZoneIsAbstractError = /*#__PURE__*/function (_LuxonError7) { + _inheritsLoose(ZoneIsAbstractError, _LuxonError7); + + function ZoneIsAbstractError() { + return _LuxonError7.call(this, "Zone is an abstract class") || this; + } + + return ZoneIsAbstractError; + }(LuxonError); + + /** + * @private + */ + var n = "numeric", + s = "short", + l = "long"; + var DATE_SHORT = { + year: n, + month: n, + day: n + }; + var DATE_MED = { + year: n, + month: s, + day: n + }; + var DATE_MED_WITH_WEEKDAY = { + year: n, + month: s, + day: n, + weekday: s + }; + var DATE_FULL = { + year: n, + month: l, + day: n + }; + var DATE_HUGE = { + year: n, + month: l, + day: n, + weekday: l + }; + var TIME_SIMPLE = { + hour: n, + minute: n + }; + var TIME_WITH_SECONDS = { + hour: n, + minute: n, + second: n + }; + var TIME_WITH_SHORT_OFFSET = { + hour: n, + minute: n, + second: n, + timeZoneName: s + }; + var TIME_WITH_LONG_OFFSET = { + hour: n, + minute: n, + second: n, + timeZoneName: l + }; + var TIME_24_SIMPLE = { + hour: n, + minute: n, + hourCycle: "h23" + }; + var TIME_24_WITH_SECONDS = { + hour: n, + minute: n, + second: n, + hourCycle: "h23" + }; + var TIME_24_WITH_SHORT_OFFSET = { + hour: n, + minute: n, + second: n, + hourCycle: "h23", + timeZoneName: s + }; + var TIME_24_WITH_LONG_OFFSET = { + hour: n, + minute: n, + second: n, + hourCycle: "h23", + timeZoneName: l + }; + var DATETIME_SHORT = { + year: n, + month: n, + day: n, + hour: n, + minute: n + }; + var DATETIME_SHORT_WITH_SECONDS = { + year: n, + month: n, + day: n, + hour: n, + minute: n, + second: n + }; + var DATETIME_MED = { + year: n, + month: s, + day: n, + hour: n, + minute: n + }; + var DATETIME_MED_WITH_SECONDS = { + year: n, + month: s, + day: n, + hour: n, + minute: n, + second: n + }; + var DATETIME_MED_WITH_WEEKDAY = { + year: n, + month: s, + day: n, + weekday: s, + hour: n, + minute: n + }; + var DATETIME_FULL = { + year: n, + month: l, + day: n, + hour: n, + minute: n, + timeZoneName: s + }; + var DATETIME_FULL_WITH_SECONDS = { + year: n, + month: l, + day: n, + hour: n, + minute: n, + second: n, + timeZoneName: s + }; + var DATETIME_HUGE = { + year: n, + month: l, + day: n, + weekday: l, + hour: n, + minute: n, + timeZoneName: l + }; + var DATETIME_HUGE_WITH_SECONDS = { + year: n, + month: l, + day: n, + weekday: l, + hour: n, + minute: n, + second: n, + timeZoneName: l + }; + + /** + * @private + */ + // TYPES + + function isUndefined(o) { + return typeof o === "undefined"; + } + function isNumber(o) { + return typeof o === "number"; + } + function isInteger(o) { + return typeof o === "number" && o % 1 === 0; + } + function isString(o) { + return typeof o === "string"; + } + function isDate(o) { + return Object.prototype.toString.call(o) === "[object Date]"; + } // CAPABILITIES + + function hasRelative() { + try { + return typeof Intl !== "undefined" && !!Intl.RelativeTimeFormat; + } catch (e) { + return false; + } + } // OBJECTS AND ARRAYS + + function maybeArray(thing) { + return Array.isArray(thing) ? thing : [thing]; + } + function bestBy(arr, by, compare) { + if (arr.length === 0) { + return undefined; + } + + return arr.reduce(function (best, next) { + var pair = [by(next), next]; + + if (!best) { + return pair; + } else if (compare(best[0], pair[0]) === best[0]) { + return best; + } else { + return pair; + } + }, null)[1]; + } + function pick(obj, keys) { + return keys.reduce(function (a, k) { + a[k] = obj[k]; + return a; + }, {}); + } + function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); + } // NUMBERS AND STRINGS + + function integerBetween(thing, bottom, top) { + return isInteger(thing) && thing >= bottom && thing <= top; + } // x % n but takes the sign of n instead of x + + function floorMod(x, n) { + return x - n * Math.floor(x / n); + } + function padStart(input, n) { + if (n === void 0) { + n = 2; + } + + var isNeg = input < 0; + var padded; + + if (isNeg) { + padded = "-" + ("" + -input).padStart(n, "0"); + } else { + padded = ("" + input).padStart(n, "0"); + } + + return padded; + } + function parseInteger(string) { + if (isUndefined(string) || string === null || string === "") { + return undefined; + } else { + return parseInt(string, 10); + } + } + function parseFloating(string) { + if (isUndefined(string) || string === null || string === "") { + return undefined; + } else { + return parseFloat(string); + } + } + function parseMillis(fraction) { + // Return undefined (instead of 0) in these cases, where fraction is not set + if (isUndefined(fraction) || fraction === null || fraction === "") { + return undefined; + } else { + var f = parseFloat("0." + fraction) * 1000; + return Math.floor(f); + } + } + function roundTo(number, digits, towardZero) { + if (towardZero === void 0) { + towardZero = false; + } + + var factor = Math.pow(10, digits), + rounder = towardZero ? Math.trunc : Math.round; + return rounder(number * factor) / factor; + } // DATE BASICS + + function isLeapYear(year) { + return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0); + } + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } + function daysInMonth(year, month) { + var modMonth = floorMod(month - 1, 12) + 1, + modYear = year + (month - modMonth) / 12; + + if (modMonth === 2) { + return isLeapYear(modYear) ? 29 : 28; + } else { + return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][modMonth - 1]; + } + } // covert a calendar object to a local timestamp (epoch, but with the offset baked in) + + function objToLocalTS(obj) { + var d = Date.UTC(obj.year, obj.month - 1, obj.day, obj.hour, obj.minute, obj.second, obj.millisecond); // for legacy reasons, years between 0 and 99 are interpreted as 19XX; revert that + + if (obj.year < 100 && obj.year >= 0) { + d = new Date(d); + d.setUTCFullYear(d.getUTCFullYear() - 1900); + } + + return +d; + } + function weeksInWeekYear(weekYear) { + var p1 = (weekYear + Math.floor(weekYear / 4) - Math.floor(weekYear / 100) + Math.floor(weekYear / 400)) % 7, + last = weekYear - 1, + p2 = (last + Math.floor(last / 4) - Math.floor(last / 100) + Math.floor(last / 400)) % 7; + return p1 === 4 || p2 === 3 ? 53 : 52; + } + function untruncateYear(year) { + if (year > 99) { + return year; + } else return year > 60 ? 1900 + year : 2000 + year; + } // PARSING + + function parseZoneInfo(ts, offsetFormat, locale, timeZone) { + if (timeZone === void 0) { + timeZone = null; + } + + var date = new Date(ts), + intlOpts = { + hourCycle: "h23", + year: "numeric", + month: "2-digit", + day: "2-digit", + hour: "2-digit", + minute: "2-digit" + }; + + if (timeZone) { + intlOpts.timeZone = timeZone; + } + + var modified = _extends({ + timeZoneName: offsetFormat + }, intlOpts); + + var parsed = new Intl.DateTimeFormat(locale, modified).formatToParts(date).find(function (m) { + return m.type.toLowerCase() === "timezonename"; + }); + return parsed ? parsed.value : null; + } // signedOffset('-5', '30') -> -330 + + function signedOffset(offHourStr, offMinuteStr) { + var offHour = parseInt(offHourStr, 10); // don't || this because we want to preserve -0 + + if (Number.isNaN(offHour)) { + offHour = 0; + } + + var offMin = parseInt(offMinuteStr, 10) || 0, + offMinSigned = offHour < 0 || Object.is(offHour, -0) ? -offMin : offMin; + return offHour * 60 + offMinSigned; + } // COERCION + + function asNumber(value) { + var numericValue = Number(value); + if (typeof value === "boolean" || value === "" || Number.isNaN(numericValue)) throw new InvalidArgumentError("Invalid unit value " + value); + return numericValue; + } + function normalizeObject(obj, normalizer) { + var normalized = {}; + + for (var u in obj) { + if (hasOwnProperty(obj, u)) { + var v = obj[u]; + if (v === undefined || v === null) continue; + normalized[normalizer(u)] = asNumber(v); + } + } + + return normalized; + } + function formatOffset(offset, format) { + var hours = Math.trunc(Math.abs(offset / 60)), + minutes = Math.trunc(Math.abs(offset % 60)), + sign = offset >= 0 ? "+" : "-"; + + switch (format) { + case "short": + return "" + sign + padStart(hours, 2) + ":" + padStart(minutes, 2); + + case "narrow": + return "" + sign + hours + (minutes > 0 ? ":" + minutes : ""); + + case "techie": + return "" + sign + padStart(hours, 2) + padStart(minutes, 2); + + default: + throw new RangeError("Value format " + format + " is out of range for property format"); + } + } + function timeObject(obj) { + return pick(obj, ["hour", "minute", "second", "millisecond"]); + } + var ianaRegex = /[A-Za-z_+-]{1,256}(:?\/[A-Za-z0-9_+-]{1,256}(\/[A-Za-z0-9_+-]{1,256})?)?/; + + /** + * @private + */ + + + var monthsLong = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; + var monthsShort = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; + var monthsNarrow = ["J", "F", "M", "A", "M", "J", "J", "A", "S", "O", "N", "D"]; + function months(length) { + switch (length) { + case "narrow": + return [].concat(monthsNarrow); + + case "short": + return [].concat(monthsShort); + + case "long": + return [].concat(monthsLong); + + case "numeric": + return ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]; + + case "2-digit": + return ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"]; + + default: + return null; + } + } + var weekdaysLong = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]; + var weekdaysShort = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]; + var weekdaysNarrow = ["M", "T", "W", "T", "F", "S", "S"]; + function weekdays(length) { + switch (length) { + case "narrow": + return [].concat(weekdaysNarrow); + + case "short": + return [].concat(weekdaysShort); + + case "long": + return [].concat(weekdaysLong); + + case "numeric": + return ["1", "2", "3", "4", "5", "6", "7"]; + + default: + return null; + } + } + var meridiems = ["AM", "PM"]; + var erasLong = ["Before Christ", "Anno Domini"]; + var erasShort = ["BC", "AD"]; + var erasNarrow = ["B", "A"]; + function eras(length) { + switch (length) { + case "narrow": + return [].concat(erasNarrow); + + case "short": + return [].concat(erasShort); + + case "long": + return [].concat(erasLong); + + default: + return null; + } + } + function meridiemForDateTime(dt) { + return meridiems[dt.hour < 12 ? 0 : 1]; + } + function weekdayForDateTime(dt, length) { + return weekdays(length)[dt.weekday - 1]; + } + function monthForDateTime(dt, length) { + return months(length)[dt.month - 1]; + } + function eraForDateTime(dt, length) { + return eras(length)[dt.year < 0 ? 0 : 1]; + } + function formatRelativeTime(unit, count, numeric, narrow) { + if (numeric === void 0) { + numeric = "always"; + } + + if (narrow === void 0) { + narrow = false; + } + + var units = { + years: ["year", "yr."], + quarters: ["quarter", "qtr."], + months: ["month", "mo."], + weeks: ["week", "wk."], + days: ["day", "day", "days"], + hours: ["hour", "hr."], + minutes: ["minute", "min."], + seconds: ["second", "sec."] + }; + var lastable = ["hours", "minutes", "seconds"].indexOf(unit) === -1; + + if (numeric === "auto" && lastable) { + var isDay = unit === "days"; + + switch (count) { + case 1: + return isDay ? "tomorrow" : "next " + units[unit][0]; + + case -1: + return isDay ? "yesterday" : "last " + units[unit][0]; + + case 0: + return isDay ? "today" : "this " + units[unit][0]; + + } + } + + var isInPast = Object.is(count, -0) || count < 0, + fmtValue = Math.abs(count), + singular = fmtValue === 1, + lilUnits = units[unit], + fmtUnit = narrow ? singular ? lilUnits[1] : lilUnits[2] || lilUnits[1] : singular ? units[unit][0] : unit; + return isInPast ? fmtValue + " " + fmtUnit + " ago" : "in " + fmtValue + " " + fmtUnit; + } + + function stringifyTokens(splits, tokenToString) { + var s = ""; + + for (var _iterator = _createForOfIteratorHelperLoose(splits), _step; !(_step = _iterator()).done;) { + var token = _step.value; + + if (token.literal) { + s += token.val; + } else { + s += tokenToString(token.val); + } + } + + return s; + } + + var _macroTokenToFormatOpts = { + D: DATE_SHORT, + DD: DATE_MED, + DDD: DATE_FULL, + DDDD: DATE_HUGE, + t: TIME_SIMPLE, + tt: TIME_WITH_SECONDS, + ttt: TIME_WITH_SHORT_OFFSET, + tttt: TIME_WITH_LONG_OFFSET, + T: TIME_24_SIMPLE, + TT: TIME_24_WITH_SECONDS, + TTT: TIME_24_WITH_SHORT_OFFSET, + TTTT: TIME_24_WITH_LONG_OFFSET, + f: DATETIME_SHORT, + ff: DATETIME_MED, + fff: DATETIME_FULL, + ffff: DATETIME_HUGE, + F: DATETIME_SHORT_WITH_SECONDS, + FF: DATETIME_MED_WITH_SECONDS, + FFF: DATETIME_FULL_WITH_SECONDS, + FFFF: DATETIME_HUGE_WITH_SECONDS + }; + /** + * @private + */ + + var Formatter = /*#__PURE__*/function () { + Formatter.create = function create(locale, opts) { + if (opts === void 0) { + opts = {}; + } + + return new Formatter(locale, opts); + }; + + Formatter.parseFormat = function parseFormat(fmt) { + var current = null, + currentFull = "", + bracketed = false; + var splits = []; + + for (var i = 0; i < fmt.length; i++) { + var c = fmt.charAt(i); + + if (c === "'") { + if (currentFull.length > 0) { + splits.push({ + literal: bracketed, + val: currentFull + }); + } + + current = null; + currentFull = ""; + bracketed = !bracketed; + } else if (bracketed) { + currentFull += c; + } else if (c === current) { + currentFull += c; + } else { + if (currentFull.length > 0) { + splits.push({ + literal: false, + val: currentFull + }); + } + + currentFull = c; + current = c; + } + } + + if (currentFull.length > 0) { + splits.push({ + literal: bracketed, + val: currentFull + }); + } + + return splits; + }; + + Formatter.macroTokenToFormatOpts = function macroTokenToFormatOpts(token) { + return _macroTokenToFormatOpts[token]; + }; + + function Formatter(locale, formatOpts) { + this.opts = formatOpts; + this.loc = locale; + this.systemLoc = null; + } + + var _proto = Formatter.prototype; + + _proto.formatWithSystemDefault = function formatWithSystemDefault(dt, opts) { + if (this.systemLoc === null) { + this.systemLoc = this.loc.redefaultToSystem(); + } + + var df = this.systemLoc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.format(); + }; + + _proto.formatDateTime = function formatDateTime(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.format(); + }; + + _proto.formatDateTimeParts = function formatDateTimeParts(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.formatToParts(); + }; + + _proto.resolvedOptions = function resolvedOptions(dt, opts) { + if (opts === void 0) { + opts = {}; + } + + var df = this.loc.dtFormatter(dt, _extends({}, this.opts, opts)); + return df.resolvedOptions(); + }; + + _proto.num = function num(n, p) { + if (p === void 0) { + p = 0; + } + + // we get some perf out of doing this here, annoyingly + if (this.opts.forceSimple) { + return padStart(n, p); + } + + var opts = _extends({}, this.opts); + + if (p > 0) { + opts.padTo = p; + } + + return this.loc.numberFormatter(opts).format(n); + }; + + _proto.formatDateTimeFromString = function formatDateTimeFromString(dt, fmt) { + var _this = this; + + var knownEnglish = this.loc.listingMode() === "en", + useDateTimeFormatter = this.loc.outputCalendar && this.loc.outputCalendar !== "gregory", + string = function string(opts, extract) { + return _this.loc.extract(dt, opts, extract); + }, + formatOffset = function formatOffset(opts) { + if (dt.isOffsetFixed && dt.offset === 0 && opts.allowZ) { + return "Z"; + } + + return dt.isValid ? dt.zone.formatOffset(dt.ts, opts.format) : ""; + }, + meridiem = function meridiem() { + return knownEnglish ? meridiemForDateTime(dt) : string({ + hour: "numeric", + hourCycle: "h12" + }, "dayperiod"); + }, + month = function month(length, standalone) { + return knownEnglish ? monthForDateTime(dt, length) : string(standalone ? { + month: length + } : { + month: length, + day: "numeric" + }, "month"); + }, + weekday = function weekday(length, standalone) { + return knownEnglish ? weekdayForDateTime(dt, length) : string(standalone ? { + weekday: length + } : { + weekday: length, + month: "long", + day: "numeric" + }, "weekday"); + }, + maybeMacro = function maybeMacro(token) { + var formatOpts = Formatter.macroTokenToFormatOpts(token); + + if (formatOpts) { + return _this.formatWithSystemDefault(dt, formatOpts); + } else { + return token; + } + }, + era = function era(length) { + return knownEnglish ? eraForDateTime(dt, length) : string({ + era: length + }, "era"); + }, + tokenToString = function tokenToString(token) { + // Where possible: http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles + switch (token) { + // ms + case "S": + return _this.num(dt.millisecond); + + case "u": // falls through + + case "SSS": + return _this.num(dt.millisecond, 3); + // seconds + + case "s": + return _this.num(dt.second); + + case "ss": + return _this.num(dt.second, 2); + // fractional seconds + + case "uu": + return _this.num(Math.floor(dt.millisecond / 10), 2); + + case "uuu": + return _this.num(Math.floor(dt.millisecond / 100)); + // minutes + + case "m": + return _this.num(dt.minute); + + case "mm": + return _this.num(dt.minute, 2); + // hours + + case "h": + return _this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12); + + case "hh": + return _this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12, 2); + + case "H": + return _this.num(dt.hour); + + case "HH": + return _this.num(dt.hour, 2); + // offset + + case "Z": + // like +6 + return formatOffset({ + format: "narrow", + allowZ: _this.opts.allowZ + }); + + case "ZZ": + // like +06:00 + return formatOffset({ + format: "short", + allowZ: _this.opts.allowZ + }); + + case "ZZZ": + // like +0600 + return formatOffset({ + format: "techie", + allowZ: _this.opts.allowZ + }); + + case "ZZZZ": + // like EST + return dt.zone.offsetName(dt.ts, { + format: "short", + locale: _this.loc.locale + }); + + case "ZZZZZ": + // like Eastern Standard Time + return dt.zone.offsetName(dt.ts, { + format: "long", + locale: _this.loc.locale + }); + // zone + + case "z": + // like America/New_York + return dt.zoneName; + // meridiems + + case "a": + return meridiem(); + // dates + + case "d": + return useDateTimeFormatter ? string({ + day: "numeric" + }, "day") : _this.num(dt.day); + + case "dd": + return useDateTimeFormatter ? string({ + day: "2-digit" + }, "day") : _this.num(dt.day, 2); + // weekdays - standalone + + case "c": + // like 1 + return _this.num(dt.weekday); + + case "ccc": + // like 'Tues' + return weekday("short", true); + + case "cccc": + // like 'Tuesday' + return weekday("long", true); + + case "ccccc": + // like 'T' + return weekday("narrow", true); + // weekdays - format + + case "E": + // like 1 + return _this.num(dt.weekday); + + case "EEE": + // like 'Tues' + return weekday("short", false); + + case "EEEE": + // like 'Tuesday' + return weekday("long", false); + + case "EEEEE": + // like 'T' + return weekday("narrow", false); + // months - standalone + + case "L": + // like 1 + return useDateTimeFormatter ? string({ + month: "numeric", + day: "numeric" + }, "month") : _this.num(dt.month); + + case "LL": + // like 01, doesn't seem to work + return useDateTimeFormatter ? string({ + month: "2-digit", + day: "numeric" + }, "month") : _this.num(dt.month, 2); + + case "LLL": + // like Jan + return month("short", true); + + case "LLLL": + // like January + return month("long", true); + + case "LLLLL": + // like J + return month("narrow", true); + // months - format + + case "M": + // like 1 + return useDateTimeFormatter ? string({ + month: "numeric" + }, "month") : _this.num(dt.month); + + case "MM": + // like 01 + return useDateTimeFormatter ? string({ + month: "2-digit" + }, "month") : _this.num(dt.month, 2); + + case "MMM": + // like Jan + return month("short", false); + + case "MMMM": + // like January + return month("long", false); + + case "MMMMM": + // like J + return month("narrow", false); + // years + + case "y": + // like 2014 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year); + + case "yy": + // like 14 + return useDateTimeFormatter ? string({ + year: "2-digit" + }, "year") : _this.num(dt.year.toString().slice(-2), 2); + + case "yyyy": + // like 0012 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year, 4); + + case "yyyyyy": + // like 000012 + return useDateTimeFormatter ? string({ + year: "numeric" + }, "year") : _this.num(dt.year, 6); + // eras + + case "G": + // like AD + return era("short"); + + case "GG": + // like Anno Domini + return era("long"); + + case "GGGGG": + return era("narrow"); + + case "kk": + return _this.num(dt.weekYear.toString().slice(-2), 2); + + case "kkkk": + return _this.num(dt.weekYear, 4); + + case "W": + return _this.num(dt.weekNumber); + + case "WW": + return _this.num(dt.weekNumber, 2); + + case "o": + return _this.num(dt.ordinal); + + case "ooo": + return _this.num(dt.ordinal, 3); + + case "q": + // like 1 + return _this.num(dt.quarter); + + case "qq": + // like 01 + return _this.num(dt.quarter, 2); + + case "X": + return _this.num(Math.floor(dt.ts / 1000)); + + case "x": + return _this.num(dt.ts); + + default: + return maybeMacro(token); + } + }; + + return stringifyTokens(Formatter.parseFormat(fmt), tokenToString); + }; + + _proto.formatDurationFromString = function formatDurationFromString(dur, fmt) { + var _this2 = this; + + var tokenToField = function tokenToField(token) { + switch (token[0]) { + case "S": + return "millisecond"; + + case "s": + return "second"; + + case "m": + return "minute"; + + case "h": + return "hour"; + + case "d": + return "day"; + + case "M": + return "month"; + + case "y": + return "year"; + + default: + return null; + } + }, + tokenToString = function tokenToString(lildur) { + return function (token) { + var mapped = tokenToField(token); + + if (mapped) { + return _this2.num(lildur.get(mapped), token.length); + } else { + return token; + } + }; + }, + tokens = Formatter.parseFormat(fmt), + realTokens = tokens.reduce(function (found, _ref) { + var literal = _ref.literal, + val = _ref.val; + return literal ? found : found.concat(val); + }, []), + collapsed = dur.shiftTo.apply(dur, realTokens.map(tokenToField).filter(function (t) { + return t; + })); + + return stringifyTokens(tokens, tokenToString(collapsed)); + }; + + return Formatter; + }(); + + var Invalid = /*#__PURE__*/function () { + function Invalid(reason, explanation) { + this.reason = reason; + this.explanation = explanation; + } + + var _proto = Invalid.prototype; + + _proto.toMessage = function toMessage() { + if (this.explanation) { + return this.reason + ": " + this.explanation; + } else { + return this.reason; + } + }; + + return Invalid; + }(); + + /** + * @interface + */ + + var Zone = /*#__PURE__*/function () { + function Zone() {} + + var _proto = Zone.prototype; + + /** + * Returns the offset's common name (such as EST) at the specified timestamp + * @abstract + * @param {number} ts - Epoch milliseconds for which to get the name + * @param {Object} opts - Options to affect the format + * @param {string} opts.format - What style of offset to return. Accepts 'long' or 'short'. + * @param {string} opts.locale - What locale to return the offset name in. + * @return {string} + */ + _proto.offsetName = function offsetName(ts, opts) { + throw new ZoneIsAbstractError(); + } + /** + * Returns the offset's value as a string + * @abstract + * @param {number} ts - Epoch milliseconds for which to get the offset + * @param {string} format - What style of offset to return. + * Accepts 'narrow', 'short', or 'techie'. Returning '+6', '+06:00', or '+0600' respectively + * @return {string} + */ + ; + + _proto.formatOffset = function formatOffset(ts, format) { + throw new ZoneIsAbstractError(); + } + /** + * Return the offset in minutes for this zone at the specified timestamp. + * @abstract + * @param {number} ts - Epoch milliseconds for which to compute the offset + * @return {number} + */ + ; + + _proto.offset = function offset(ts) { + throw new ZoneIsAbstractError(); + } + /** + * Return whether this Zone is equal to another zone + * @abstract + * @param {Zone} otherZone - the zone to compare + * @return {boolean} + */ + ; + + _proto.equals = function equals(otherZone) { + throw new ZoneIsAbstractError(); + } + /** + * Return whether this Zone is valid. + * @abstract + * @type {boolean} + */ + ; + + _createClass(Zone, [{ + key: "type", + get: + /** + * The type of zone + * @abstract + * @type {string} + */ + function get() { + throw new ZoneIsAbstractError(); + } + /** + * The name of this zone. + * @abstract + * @type {string} + */ + + }, { + key: "name", + get: function get() { + throw new ZoneIsAbstractError(); + } + /** + * Returns whether the offset is known to be fixed for the whole year. + * @abstract + * @type {boolean} + */ + + }, { + key: "isUniversal", + get: function get() { + throw new ZoneIsAbstractError(); + } + }, { + key: "isValid", + get: function get() { + throw new ZoneIsAbstractError(); + } + }]); + + return Zone; + }(); + + var singleton$1 = null; + /** + * Represents the local zone for this JavaScript environment. + * @implements {Zone} + */ + + var SystemZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(SystemZone, _Zone); + + function SystemZone() { + return _Zone.apply(this, arguments) || this; + } + + var _proto = SystemZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName(ts, _ref) { + var format = _ref.format, + locale = _ref.locale; + return parseZoneInfo(ts, format, locale); + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.offset(ts), format); + } + /** @override **/ + ; + + _proto.offset = function offset(ts) { + return -new Date(ts).getTimezoneOffset(); + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "system"; + } + /** @override **/ + ; + + _createClass(SystemZone, [{ + key: "type", + get: + /** @override **/ + function get() { + return "system"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return new Intl.DateTimeFormat().resolvedOptions().timeZone; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return true; + } + }], [{ + key: "instance", + get: + /** + * Get a singleton instance of the local zone + * @return {SystemZone} + */ + function get() { + if (singleton$1 === null) { + singleton$1 = new SystemZone(); + } + + return singleton$1; + } + }]); + + return SystemZone; + }(Zone); + + RegExp("^" + ianaRegex.source + "$"); + var dtfCache = {}; + + function makeDTF(zone) { + if (!dtfCache[zone]) { + dtfCache[zone] = new Intl.DateTimeFormat("en-US", { + hour12: false, + timeZone: zone, + year: "numeric", + month: "2-digit", + day: "2-digit", + hour: "2-digit", + minute: "2-digit", + second: "2-digit" + }); + } + + return dtfCache[zone]; + } + + var typeToPos = { + year: 0, + month: 1, + day: 2, + hour: 3, + minute: 4, + second: 5 + }; + + function hackyOffset(dtf, date) { + var formatted = dtf.format(date).replace(/\u200E/g, ""), + parsed = /(\d+)\/(\d+)\/(\d+),? (\d+):(\d+):(\d+)/.exec(formatted), + fMonth = parsed[1], + fDay = parsed[2], + fYear = parsed[3], + fHour = parsed[4], + fMinute = parsed[5], + fSecond = parsed[6]; + return [fYear, fMonth, fDay, fHour, fMinute, fSecond]; + } + + function partsOffset(dtf, date) { + var formatted = dtf.formatToParts(date), + filled = []; + + for (var i = 0; i < formatted.length; i++) { + var _formatted$i = formatted[i], + type = _formatted$i.type, + value = _formatted$i.value, + pos = typeToPos[type]; + + if (!isUndefined(pos)) { + filled[pos] = parseInt(value, 10); + } + } + + return filled; + } + + var ianaZoneCache = {}; + /** + * A zone identified by an IANA identifier, like America/New_York + * @implements {Zone} + */ + + var IANAZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(IANAZone, _Zone); + + /** + * @param {string} name - Zone name + * @return {IANAZone} + */ + IANAZone.create = function create(name) { + if (!ianaZoneCache[name]) { + ianaZoneCache[name] = new IANAZone(name); + } + + return ianaZoneCache[name]; + } + /** + * Reset local caches. Should only be necessary in testing scenarios. + * @return {void} + */ + ; + + IANAZone.resetCache = function resetCache() { + ianaZoneCache = {}; + dtfCache = {}; + } + /** + * Returns whether the provided string is a valid specifier. This only checks the string's format, not that the specifier identifies a known zone; see isValidZone for that. + * @param {string} s - The string to check validity on + * @example IANAZone.isValidSpecifier("America/New_York") //=> true + * @example IANAZone.isValidSpecifier("Sport~~blorp") //=> false + * @deprecated This method returns false some valid IANA names. Use isValidZone instead + * @return {boolean} + */ + ; + + IANAZone.isValidSpecifier = function isValidSpecifier(s) { + return this.isValidZone(s); + } + /** + * Returns whether the provided string identifies a real zone + * @param {string} zone - The string to check + * @example IANAZone.isValidZone("America/New_York") //=> true + * @example IANAZone.isValidZone("Fantasia/Castle") //=> false + * @example IANAZone.isValidZone("Sport~~blorp") //=> false + * @return {boolean} + */ + ; + + IANAZone.isValidZone = function isValidZone(zone) { + if (!zone) { + return false; + } + + try { + new Intl.DateTimeFormat("en-US", { + timeZone: zone + }).format(); + return true; + } catch (e) { + return false; + } + }; + + function IANAZone(name) { + var _this; + + _this = _Zone.call(this) || this; + /** @private **/ + + _this.zoneName = name; + /** @private **/ + + _this.valid = IANAZone.isValidZone(name); + return _this; + } + /** @override **/ + + + var _proto = IANAZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName(ts, _ref) { + var format = _ref.format, + locale = _ref.locale; + return parseZoneInfo(ts, format, locale, this.name); + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.offset(ts), format); + } + /** @override **/ + ; + + _proto.offset = function offset(ts) { + var date = new Date(ts); + if (isNaN(date)) return NaN; + + var dtf = makeDTF(this.name), + _ref2 = dtf.formatToParts ? partsOffset(dtf, date) : hackyOffset(dtf, date), + year = _ref2[0], + month = _ref2[1], + day = _ref2[2], + hour = _ref2[3], + minute = _ref2[4], + second = _ref2[5]; // because we're using hour12 and https://bugs.chromium.org/p/chromium/issues/detail?id=1025564&can=2&q=%2224%3A00%22%20datetimeformat + + + var adjustedHour = hour === 24 ? 0 : hour; + var asUTC = objToLocalTS({ + year: year, + month: month, + day: day, + hour: adjustedHour, + minute: minute, + second: second, + millisecond: 0 + }); + var asTS = +date; + var over = asTS % 1000; + asTS -= over >= 0 ? over : 1000 + over; + return (asUTC - asTS) / (60 * 1000); + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "iana" && otherZone.name === this.name; + } + /** @override **/ + ; + + _createClass(IANAZone, [{ + key: "type", + get: function get() { + return "iana"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.zoneName; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return this.valid; + } + }]); + + return IANAZone; + }(Zone); + + var singleton = null; + /** + * A zone with a fixed offset (meaning no DST) + * @implements {Zone} + */ + + var FixedOffsetZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(FixedOffsetZone, _Zone); + + /** + * Get an instance with a specified offset + * @param {number} offset - The offset in minutes + * @return {FixedOffsetZone} + */ + FixedOffsetZone.instance = function instance(offset) { + return offset === 0 ? FixedOffsetZone.utcInstance : new FixedOffsetZone(offset); + } + /** + * Get an instance of FixedOffsetZone from a UTC offset string, like "UTC+6" + * @param {string} s - The offset string to parse + * @example FixedOffsetZone.parseSpecifier("UTC+6") + * @example FixedOffsetZone.parseSpecifier("UTC+06") + * @example FixedOffsetZone.parseSpecifier("UTC-6:00") + * @return {FixedOffsetZone} + */ + ; + + FixedOffsetZone.parseSpecifier = function parseSpecifier(s) { + if (s) { + var r = s.match(/^utc(?:([+-]\d{1,2})(?::(\d{2}))?)?$/i); + + if (r) { + return new FixedOffsetZone(signedOffset(r[1], r[2])); + } + } + + return null; + }; + + function FixedOffsetZone(offset) { + var _this; + + _this = _Zone.call(this) || this; + /** @private **/ + + _this.fixed = offset; + return _this; + } + /** @override **/ + + + var _proto = FixedOffsetZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName() { + return this.name; + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset$1(ts, format) { + return formatOffset(this.fixed, format); + } + /** @override **/ + ; + + /** @override **/ + _proto.offset = function offset() { + return this.fixed; + } + /** @override **/ + ; + + _proto.equals = function equals(otherZone) { + return otherZone.type === "fixed" && otherZone.fixed === this.fixed; + } + /** @override **/ + ; + + _createClass(FixedOffsetZone, [{ + key: "type", + get: function get() { + return "fixed"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.fixed === 0 ? "UTC" : "UTC" + formatOffset(this.fixed, "narrow"); + } + }, { + key: "isUniversal", + get: function get() { + return true; + } + }, { + key: "isValid", + get: function get() { + return true; + } + }], [{ + key: "utcInstance", + get: + /** + * Get a singleton instance of UTC + * @return {FixedOffsetZone} + */ + function get() { + if (singleton === null) { + singleton = new FixedOffsetZone(0); + } + + return singleton; + } + }]); + + return FixedOffsetZone; + }(Zone); + + /** + * A zone that failed to parse. You should never need to instantiate this. + * @implements {Zone} + */ + + var InvalidZone = /*#__PURE__*/function (_Zone) { + _inheritsLoose(InvalidZone, _Zone); + + function InvalidZone(zoneName) { + var _this; + + _this = _Zone.call(this) || this; + /** @private */ + + _this.zoneName = zoneName; + return _this; + } + /** @override **/ + + + var _proto = InvalidZone.prototype; + + /** @override **/ + _proto.offsetName = function offsetName() { + return null; + } + /** @override **/ + ; + + _proto.formatOffset = function formatOffset() { + return ""; + } + /** @override **/ + ; + + _proto.offset = function offset() { + return NaN; + } + /** @override **/ + ; + + _proto.equals = function equals() { + return false; + } + /** @override **/ + ; + + _createClass(InvalidZone, [{ + key: "type", + get: function get() { + return "invalid"; + } + /** @override **/ + + }, { + key: "name", + get: function get() { + return this.zoneName; + } + /** @override **/ + + }, { + key: "isUniversal", + get: function get() { + return false; + } + }, { + key: "isValid", + get: function get() { + return false; + } + }]); + + return InvalidZone; + }(Zone); + + /** + * @private + */ + function normalizeZone(input, defaultZone) { + + if (isUndefined(input) || input === null) { + return defaultZone; + } else if (input instanceof Zone) { + return input; + } else if (isString(input)) { + var lowered = input.toLowerCase(); + if (lowered === "local" || lowered === "system") return defaultZone;else if (lowered === "utc" || lowered === "gmt") return FixedOffsetZone.utcInstance;else return FixedOffsetZone.parseSpecifier(lowered) || IANAZone.create(input); + } else if (isNumber(input)) { + return FixedOffsetZone.instance(input); + } else if (typeof input === "object" && input.offset && typeof input.offset === "number") { + // This is dumb, but the instanceof check above doesn't seem to really work + // so we're duck checking it + return input; + } else { + return new InvalidZone(input); + } + } + + var now = function now() { + return Date.now(); + }, + defaultZone = "system", + defaultLocale = null, + defaultNumberingSystem = null, + defaultOutputCalendar = null, + throwOnInvalid; + /** + * Settings contains static getters and setters that control Luxon's overall behavior. Luxon is a simple library with few options, but the ones it does have live here. + */ + + + var Settings = /*#__PURE__*/function () { + function Settings() {} + + /** + * Reset Luxon's global caches. Should only be necessary in testing scenarios. + * @return {void} + */ + Settings.resetCaches = function resetCaches() { + Locale.resetCache(); + IANAZone.resetCache(); + }; + + _createClass(Settings, null, [{ + key: "now", + get: + /** + * Get the callback for returning the current timestamp. + * @type {function} + */ + function get() { + return now; + } + /** + * Set the callback for returning the current timestamp. + * The function should return a number, which will be interpreted as an Epoch millisecond count + * @type {function} + * @example Settings.now = () => Date.now() + 3000 // pretend it is 3 seconds in the future + * @example Settings.now = () => 0 // always pretend it's Jan 1, 1970 at midnight in UTC time + */ + , + set: function set(n) { + now = n; + } + /** + * Set the default time zone to create DateTimes in. Does not affect existing instances. + * Use the value "system" to reset this value to the system's time zone. + * @type {string} + */ + + }, { + key: "defaultZone", + get: + /** + * Get the default time zone object currently used to create DateTimes. Does not affect existing instances. + * The default value is the system's time zone (the one set on the machine that runs this code). + * @type {Zone} + */ + function get() { + return normalizeZone(defaultZone, SystemZone.instance); + } + /** + * Get the default locale to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(zone) { + defaultZone = zone; + } + }, { + key: "defaultLocale", + get: function get() { + return defaultLocale; + } + /** + * Set the default locale to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(locale) { + defaultLocale = locale; + } + /** + * Get the default numbering system to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + + }, { + key: "defaultNumberingSystem", + get: function get() { + return defaultNumberingSystem; + } + /** + * Set the default numbering system to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(numberingSystem) { + defaultNumberingSystem = numberingSystem; + } + /** + * Get the default output calendar to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + + }, { + key: "defaultOutputCalendar", + get: function get() { + return defaultOutputCalendar; + } + /** + * Set the default output calendar to create DateTimes with. Does not affect existing instances. + * @type {string} + */ + , + set: function set(outputCalendar) { + defaultOutputCalendar = outputCalendar; + } + /** + * Get whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals + * @type {boolean} + */ + + }, { + key: "throwOnInvalid", + get: function get() { + return throwOnInvalid; + } + /** + * Set whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals + * @type {boolean} + */ + , + set: function set(t) { + throwOnInvalid = t; + } + }]); + + return Settings; + }(); + + var _excluded = ["base"], + _excluded2 = ["padTo", "floor"]; + + var intlLFCache = {}; + + function getCachedLF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var dtf = intlLFCache[key]; + + if (!dtf) { + dtf = new Intl.ListFormat(locString, opts); + intlLFCache[key] = dtf; + } + + return dtf; + } + + var intlDTCache = {}; + + function getCachedDTF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var dtf = intlDTCache[key]; + + if (!dtf) { + dtf = new Intl.DateTimeFormat(locString, opts); + intlDTCache[key] = dtf; + } + + return dtf; + } + + var intlNumCache = {}; + + function getCachedINF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var key = JSON.stringify([locString, opts]); + var inf = intlNumCache[key]; + + if (!inf) { + inf = new Intl.NumberFormat(locString, opts); + intlNumCache[key] = inf; + } + + return inf; + } + + var intlRelCache = {}; + + function getCachedRTF(locString, opts) { + if (opts === void 0) { + opts = {}; + } + + var _opts = opts; + _opts.base; + var cacheKeyOpts = _objectWithoutPropertiesLoose(_opts, _excluded); // exclude `base` from the options + + + var key = JSON.stringify([locString, cacheKeyOpts]); + var inf = intlRelCache[key]; + + if (!inf) { + inf = new Intl.RelativeTimeFormat(locString, opts); + intlRelCache[key] = inf; + } + + return inf; + } + + var sysLocaleCache = null; + + function systemLocale() { + if (sysLocaleCache) { + return sysLocaleCache; + } else { + sysLocaleCache = new Intl.DateTimeFormat().resolvedOptions().locale; + return sysLocaleCache; + } + } + + function parseLocaleString(localeStr) { + // I really want to avoid writing a BCP 47 parser + // see, e.g. https://github.com/wooorm/bcp-47 + // Instead, we'll do this: + // a) if the string has no -u extensions, just leave it alone + // b) if it does, use Intl to resolve everything + // c) if Intl fails, try again without the -u + var uIndex = localeStr.indexOf("-u-"); + + if (uIndex === -1) { + return [localeStr]; + } else { + var options; + var smaller = localeStr.substring(0, uIndex); + + try { + options = getCachedDTF(localeStr).resolvedOptions(); + } catch (e) { + options = getCachedDTF(smaller).resolvedOptions(); + } + + var _options = options, + numberingSystem = _options.numberingSystem, + calendar = _options.calendar; // return the smaller one so that we can append the calendar and numbering overrides to it + + return [smaller, numberingSystem, calendar]; + } + } + + function intlConfigString(localeStr, numberingSystem, outputCalendar) { + if (outputCalendar || numberingSystem) { + localeStr += "-u"; + + if (outputCalendar) { + localeStr += "-ca-" + outputCalendar; + } + + if (numberingSystem) { + localeStr += "-nu-" + numberingSystem; + } + + return localeStr; + } else { + return localeStr; + } + } + + function mapMonths(f) { + var ms = []; + + for (var i = 1; i <= 12; i++) { + var dt = DateTime.utc(2016, i, 1); + ms.push(f(dt)); + } + + return ms; + } + + function mapWeekdays(f) { + var ms = []; + + for (var i = 1; i <= 7; i++) { + var dt = DateTime.utc(2016, 11, 13 + i); + ms.push(f(dt)); + } + + return ms; + } + + function listStuff(loc, length, defaultOK, englishFn, intlFn) { + var mode = loc.listingMode(defaultOK); + + if (mode === "error") { + return null; + } else if (mode === "en") { + return englishFn(length); + } else { + return intlFn(length); + } + } + + function supportsFastNumbers(loc) { + if (loc.numberingSystem && loc.numberingSystem !== "latn") { + return false; + } else { + return loc.numberingSystem === "latn" || !loc.locale || loc.locale.startsWith("en") || new Intl.DateTimeFormat(loc.intl).resolvedOptions().numberingSystem === "latn"; + } + } + /** + * @private + */ + + + var PolyNumberFormatter = /*#__PURE__*/function () { + function PolyNumberFormatter(intl, forceSimple, opts) { + this.padTo = opts.padTo || 0; + this.floor = opts.floor || false; + + opts.padTo; + opts.floor; + var otherOpts = _objectWithoutPropertiesLoose(opts, _excluded2); + + if (!forceSimple || Object.keys(otherOpts).length > 0) { + var intlOpts = _extends({ + useGrouping: false + }, opts); + + if (opts.padTo > 0) intlOpts.minimumIntegerDigits = opts.padTo; + this.inf = getCachedINF(intl, intlOpts); + } + } + + var _proto = PolyNumberFormatter.prototype; + + _proto.format = function format(i) { + if (this.inf) { + var fixed = this.floor ? Math.floor(i) : i; + return this.inf.format(fixed); + } else { + // to match the browser's numberformatter defaults + var _fixed = this.floor ? Math.floor(i) : roundTo(i, 3); + + return padStart(_fixed, this.padTo); + } + }; + + return PolyNumberFormatter; + }(); + /** + * @private + */ + + + var PolyDateFormatter = /*#__PURE__*/function () { + function PolyDateFormatter(dt, intl, opts) { + this.opts = opts; + var z; + + if (dt.zone.isUniversal) { + // UTC-8 or Etc/UTC-8 are not part of tzdata, only Etc/GMT+8 and the like. + // That is why fixed-offset TZ is set to that unless it is: + // 1. Representing offset 0 when UTC is used to maintain previous behavior and does not become GMT. + // 2. Unsupported by the browser: + // - some do not support Etc/ + // - < Etc/GMT-14, > Etc/GMT+12, and 30-minute or 45-minute offsets are not part of tzdata + var gmtOffset = -1 * (dt.offset / 60); + var offsetZ = gmtOffset >= 0 ? "Etc/GMT+" + gmtOffset : "Etc/GMT" + gmtOffset; + + if (dt.offset !== 0 && IANAZone.create(offsetZ).valid) { + z = offsetZ; + this.dt = dt; + } else { + // Not all fixed-offset zones like Etc/+4:30 are present in tzdata. + // So we have to make do. Two cases: + // 1. The format options tell us to show the zone. We can't do that, so the best + // we can do is format the date in UTC. + // 2. The format options don't tell us to show the zone. Then we can adjust them + // the time and tell the formatter to show it to us in UTC, so that the time is right + // and the bad zone doesn't show up. + z = "UTC"; + + if (opts.timeZoneName) { + this.dt = dt; + } else { + this.dt = dt.offset === 0 ? dt : DateTime.fromMillis(dt.ts + dt.offset * 60 * 1000); + } + } + } else if (dt.zone.type === "system") { + this.dt = dt; + } else { + this.dt = dt; + z = dt.zone.name; + } + + var intlOpts = _extends({}, this.opts); + + if (z) { + intlOpts.timeZone = z; + } + + this.dtf = getCachedDTF(intl, intlOpts); + } + + var _proto2 = PolyDateFormatter.prototype; + + _proto2.format = function format() { + return this.dtf.format(this.dt.toJSDate()); + }; + + _proto2.formatToParts = function formatToParts() { + return this.dtf.formatToParts(this.dt.toJSDate()); + }; + + _proto2.resolvedOptions = function resolvedOptions() { + return this.dtf.resolvedOptions(); + }; + + return PolyDateFormatter; + }(); + /** + * @private + */ + + + var PolyRelFormatter = /*#__PURE__*/function () { + function PolyRelFormatter(intl, isEnglish, opts) { + this.opts = _extends({ + style: "long" + }, opts); + + if (!isEnglish && hasRelative()) { + this.rtf = getCachedRTF(intl, opts); + } + } + + var _proto3 = PolyRelFormatter.prototype; + + _proto3.format = function format(count, unit) { + if (this.rtf) { + return this.rtf.format(count, unit); + } else { + return formatRelativeTime(unit, count, this.opts.numeric, this.opts.style !== "long"); + } + }; + + _proto3.formatToParts = function formatToParts(count, unit) { + if (this.rtf) { + return this.rtf.formatToParts(count, unit); + } else { + return []; + } + }; + + return PolyRelFormatter; + }(); + /** + * @private + */ + + + var Locale = /*#__PURE__*/function () { + Locale.fromOpts = function fromOpts(opts) { + return Locale.create(opts.locale, opts.numberingSystem, opts.outputCalendar, opts.defaultToEN); + }; + + Locale.create = function create(locale, numberingSystem, outputCalendar, defaultToEN) { + if (defaultToEN === void 0) { + defaultToEN = false; + } + + var specifiedLocale = locale || Settings.defaultLocale; // the system locale is useful for human readable strings but annoying for parsing/formatting known formats + + var localeR = specifiedLocale || (defaultToEN ? "en-US" : systemLocale()); + var numberingSystemR = numberingSystem || Settings.defaultNumberingSystem; + var outputCalendarR = outputCalendar || Settings.defaultOutputCalendar; + return new Locale(localeR, numberingSystemR, outputCalendarR, specifiedLocale); + }; + + Locale.resetCache = function resetCache() { + sysLocaleCache = null; + intlDTCache = {}; + intlNumCache = {}; + intlRelCache = {}; + }; + + Locale.fromObject = function fromObject(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + locale = _ref.locale, + numberingSystem = _ref.numberingSystem, + outputCalendar = _ref.outputCalendar; + + return Locale.create(locale, numberingSystem, outputCalendar); + }; + + function Locale(locale, numbering, outputCalendar, specifiedLocale) { + var _parseLocaleString = parseLocaleString(locale), + parsedLocale = _parseLocaleString[0], + parsedNumberingSystem = _parseLocaleString[1], + parsedOutputCalendar = _parseLocaleString[2]; + + this.locale = parsedLocale; + this.numberingSystem = numbering || parsedNumberingSystem || null; + this.outputCalendar = outputCalendar || parsedOutputCalendar || null; + this.intl = intlConfigString(this.locale, this.numberingSystem, this.outputCalendar); + this.weekdaysCache = { + format: {}, + standalone: {} + }; + this.monthsCache = { + format: {}, + standalone: {} + }; + this.meridiemCache = null; + this.eraCache = {}; + this.specifiedLocale = specifiedLocale; + this.fastNumbersCached = null; + } + + var _proto4 = Locale.prototype; + + _proto4.listingMode = function listingMode() { + var isActuallyEn = this.isEnglish(); + var hasNoWeirdness = (this.numberingSystem === null || this.numberingSystem === "latn") && (this.outputCalendar === null || this.outputCalendar === "gregory"); + return isActuallyEn && hasNoWeirdness ? "en" : "intl"; + }; + + _proto4.clone = function clone(alts) { + if (!alts || Object.getOwnPropertyNames(alts).length === 0) { + return this; + } else { + return Locale.create(alts.locale || this.specifiedLocale, alts.numberingSystem || this.numberingSystem, alts.outputCalendar || this.outputCalendar, alts.defaultToEN || false); + } + }; + + _proto4.redefaultToEN = function redefaultToEN(alts) { + if (alts === void 0) { + alts = {}; + } + + return this.clone(_extends({}, alts, { + defaultToEN: true + })); + }; + + _proto4.redefaultToSystem = function redefaultToSystem(alts) { + if (alts === void 0) { + alts = {}; + } + + return this.clone(_extends({}, alts, { + defaultToEN: false + })); + }; + + _proto4.months = function months$1(length, format, defaultOK) { + var _this = this; + + if (format === void 0) { + format = false; + } + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, months, function () { + var intl = format ? { + month: length, + day: "numeric" + } : { + month: length + }, + formatStr = format ? "format" : "standalone"; + + if (!_this.monthsCache[formatStr][length]) { + _this.monthsCache[formatStr][length] = mapMonths(function (dt) { + return _this.extract(dt, intl, "month"); + }); + } + + return _this.monthsCache[formatStr][length]; + }); + }; + + _proto4.weekdays = function weekdays$1(length, format, defaultOK) { + var _this2 = this; + + if (format === void 0) { + format = false; + } + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, weekdays, function () { + var intl = format ? { + weekday: length, + year: "numeric", + month: "long", + day: "numeric" + } : { + weekday: length + }, + formatStr = format ? "format" : "standalone"; + + if (!_this2.weekdaysCache[formatStr][length]) { + _this2.weekdaysCache[formatStr][length] = mapWeekdays(function (dt) { + return _this2.extract(dt, intl, "weekday"); + }); + } + + return _this2.weekdaysCache[formatStr][length]; + }); + }; + + _proto4.meridiems = function meridiems$1(defaultOK) { + var _this3 = this; + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, undefined, defaultOK, function () { + return meridiems; + }, function () { + // In theory there could be aribitrary day periods. We're gonna assume there are exactly two + // for AM and PM. This is probably wrong, but it's makes parsing way easier. + if (!_this3.meridiemCache) { + var intl = { + hour: "numeric", + hourCycle: "h12" + }; + _this3.meridiemCache = [DateTime.utc(2016, 11, 13, 9), DateTime.utc(2016, 11, 13, 19)].map(function (dt) { + return _this3.extract(dt, intl, "dayperiod"); + }); + } + + return _this3.meridiemCache; + }); + }; + + _proto4.eras = function eras$1(length, defaultOK) { + var _this4 = this; + + if (defaultOK === void 0) { + defaultOK = true; + } + + return listStuff(this, length, defaultOK, eras, function () { + var intl = { + era: length + }; // This is problematic. Different calendars are going to define eras totally differently. What I need is the minimum set of dates + // to definitely enumerate them. + + if (!_this4.eraCache[length]) { + _this4.eraCache[length] = [DateTime.utc(-40, 1, 1), DateTime.utc(2017, 1, 1)].map(function (dt) { + return _this4.extract(dt, intl, "era"); + }); + } + + return _this4.eraCache[length]; + }); + }; + + _proto4.extract = function extract(dt, intlOpts, field) { + var df = this.dtFormatter(dt, intlOpts), + results = df.formatToParts(), + matching = results.find(function (m) { + return m.type.toLowerCase() === field; + }); + return matching ? matching.value : null; + }; + + _proto4.numberFormatter = function numberFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + // this forcesimple option is never used (the only caller short-circuits on it, but it seems safer to leave) + // (in contrast, the rest of the condition is used heavily) + return new PolyNumberFormatter(this.intl, opts.forceSimple || this.fastNumbers, opts); + }; + + _proto4.dtFormatter = function dtFormatter(dt, intlOpts) { + if (intlOpts === void 0) { + intlOpts = {}; + } + + return new PolyDateFormatter(dt, this.intl, intlOpts); + }; + + _proto4.relFormatter = function relFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + return new PolyRelFormatter(this.intl, this.isEnglish(), opts); + }; + + _proto4.listFormatter = function listFormatter(opts) { + if (opts === void 0) { + opts = {}; + } + + return getCachedLF(this.intl, opts); + }; + + _proto4.isEnglish = function isEnglish() { + return this.locale === "en" || this.locale.toLowerCase() === "en-us" || new Intl.DateTimeFormat(this.intl).resolvedOptions().locale.startsWith("en-us"); + }; + + _proto4.equals = function equals(other) { + return this.locale === other.locale && this.numberingSystem === other.numberingSystem && this.outputCalendar === other.outputCalendar; + }; + + _createClass(Locale, [{ + key: "fastNumbers", + get: function get() { + if (this.fastNumbersCached == null) { + this.fastNumbersCached = supportsFastNumbers(this); + } + + return this.fastNumbersCached; + } + }]); + + return Locale; + }(); + + /* + * This file handles parsing for well-specified formats. Here's how it works: + * Two things go into parsing: a regex to match with and an extractor to take apart the groups in the match. + * An extractor is just a function that takes a regex match array and returns a { year: ..., month: ... } object + * parse() does the work of executing the regex and applying the extractor. It takes multiple regex/extractor pairs to try in sequence. + * Extractors can take a "cursor" representing the offset in the match to look at. This makes it easy to combine extractors. + * combineExtractors() does the work of combining them, keeping track of the cursor through multiple extractions. + * Some extractions are super dumb and simpleParse and fromStrings help DRY them. + */ + + function combineRegexes() { + for (var _len = arguments.length, regexes = new Array(_len), _key = 0; _key < _len; _key++) { + regexes[_key] = arguments[_key]; + } + + var full = regexes.reduce(function (f, r) { + return f + r.source; + }, ""); + return RegExp("^" + full + "$"); + } + + function combineExtractors() { + for (var _len2 = arguments.length, extractors = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + extractors[_key2] = arguments[_key2]; + } + + return function (m) { + return extractors.reduce(function (_ref, ex) { + var mergedVals = _ref[0], + mergedZone = _ref[1], + cursor = _ref[2]; + + var _ex = ex(m, cursor), + val = _ex[0], + zone = _ex[1], + next = _ex[2]; + + return [_extends({}, mergedVals, val), mergedZone || zone, next]; + }, [{}, null, 1]).slice(0, 2); + }; + } + + function parse(s) { + if (s == null) { + return [null, null]; + } + + for (var _len3 = arguments.length, patterns = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) { + patterns[_key3 - 1] = arguments[_key3]; + } + + for (var _i = 0, _patterns = patterns; _i < _patterns.length; _i++) { + var _patterns$_i = _patterns[_i], + regex = _patterns$_i[0], + extractor = _patterns$_i[1]; + var m = regex.exec(s); + + if (m) { + return extractor(m); + } + } + + return [null, null]; + } + + function simpleParse() { + for (var _len4 = arguments.length, keys = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { + keys[_key4] = arguments[_key4]; + } + + return function (match, cursor) { + var ret = {}; + var i; + + for (i = 0; i < keys.length; i++) { + ret[keys[i]] = parseInteger(match[cursor + i]); + } + + return [ret, null, cursor + i]; + }; + } // ISO and SQL parsing + + + var offsetRegex = /(?:(Z)|([+-]\d\d)(?::?(\d\d))?)/, + isoTimeBaseRegex = /(\d\d)(?::?(\d\d)(?::?(\d\d)(?:[.,](\d{1,30}))?)?)?/, + isoTimeRegex = RegExp("" + isoTimeBaseRegex.source + offsetRegex.source + "?"), + isoTimeExtensionRegex = RegExp("(?:T" + isoTimeRegex.source + ")?"), + isoYmdRegex = /([+-]\d{6}|\d{4})(?:-?(\d\d)(?:-?(\d\d))?)?/, + isoWeekRegex = /(\d{4})-?W(\d\d)(?:-?(\d))?/, + isoOrdinalRegex = /(\d{4})-?(\d{3})/, + extractISOWeekData = simpleParse("weekYear", "weekNumber", "weekDay"), + extractISOOrdinalData = simpleParse("year", "ordinal"), + sqlYmdRegex = /(\d{4})-(\d\d)-(\d\d)/, + // dumbed-down version of the ISO one + sqlTimeRegex = RegExp(isoTimeBaseRegex.source + " ?(?:" + offsetRegex.source + "|(" + ianaRegex.source + "))?"), + sqlTimeExtensionRegex = RegExp("(?: " + sqlTimeRegex.source + ")?"); + + function int(match, pos, fallback) { + var m = match[pos]; + return isUndefined(m) ? fallback : parseInteger(m); + } + + function extractISOYmd(match, cursor) { + var item = { + year: int(match, cursor), + month: int(match, cursor + 1, 1), + day: int(match, cursor + 2, 1) + }; + return [item, null, cursor + 3]; + } + + function extractISOTime(match, cursor) { + var item = { + hours: int(match, cursor, 0), + minutes: int(match, cursor + 1, 0), + seconds: int(match, cursor + 2, 0), + milliseconds: parseMillis(match[cursor + 3]) + }; + return [item, null, cursor + 4]; + } + + function extractISOOffset(match, cursor) { + var local = !match[cursor] && !match[cursor + 1], + fullOffset = signedOffset(match[cursor + 1], match[cursor + 2]), + zone = local ? null : FixedOffsetZone.instance(fullOffset); + return [{}, zone, cursor + 3]; + } + + function extractIANAZone(match, cursor) { + var zone = match[cursor] ? IANAZone.create(match[cursor]) : null; + return [{}, zone, cursor + 1]; + } // ISO time parsing + + + var isoTimeOnly = RegExp("^T?" + isoTimeBaseRegex.source + "$"); // ISO duration parsing + + var isoDuration = /^-?P(?:(?:(-?\d{1,9}(?:\.\d{1,9})?)Y)?(?:(-?\d{1,9}(?:\.\d{1,9})?)M)?(?:(-?\d{1,9}(?:\.\d{1,9})?)W)?(?:(-?\d{1,9}(?:\.\d{1,9})?)D)?(?:T(?:(-?\d{1,9}(?:\.\d{1,9})?)H)?(?:(-?\d{1,9}(?:\.\d{1,9})?)M)?(?:(-?\d{1,20})(?:[.,](-?\d{1,9}))?S)?)?)$/; + + function extractISODuration(match) { + var s = match[0], + yearStr = match[1], + monthStr = match[2], + weekStr = match[3], + dayStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + millisecondsStr = match[8]; + var hasNegativePrefix = s[0] === "-"; + var negativeSeconds = secondStr && secondStr[0] === "-"; + + var maybeNegate = function maybeNegate(num, force) { + if (force === void 0) { + force = false; + } + + return num !== undefined && (force || num && hasNegativePrefix) ? -num : num; + }; + + return [{ + years: maybeNegate(parseFloating(yearStr)), + months: maybeNegate(parseFloating(monthStr)), + weeks: maybeNegate(parseFloating(weekStr)), + days: maybeNegate(parseFloating(dayStr)), + hours: maybeNegate(parseFloating(hourStr)), + minutes: maybeNegate(parseFloating(minuteStr)), + seconds: maybeNegate(parseFloating(secondStr), secondStr === "-0"), + milliseconds: maybeNegate(parseMillis(millisecondsStr), negativeSeconds) + }]; + } // These are a little braindead. EDT *should* tell us that we're in, say, America/New_York + // and not just that we're in -240 *right now*. But since I don't think these are used that often + // I'm just going to ignore that + + + var obsOffsets = { + GMT: 0, + EDT: -4 * 60, + EST: -5 * 60, + CDT: -5 * 60, + CST: -6 * 60, + MDT: -6 * 60, + MST: -7 * 60, + PDT: -7 * 60, + PST: -8 * 60 + }; + + function fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { + var result = { + year: yearStr.length === 2 ? untruncateYear(parseInteger(yearStr)) : parseInteger(yearStr), + month: monthsShort.indexOf(monthStr) + 1, + day: parseInteger(dayStr), + hour: parseInteger(hourStr), + minute: parseInteger(minuteStr) + }; + if (secondStr) result.second = parseInteger(secondStr); + + if (weekdayStr) { + result.weekday = weekdayStr.length > 3 ? weekdaysLong.indexOf(weekdayStr) + 1 : weekdaysShort.indexOf(weekdayStr) + 1; + } + + return result; + } // RFC 2822/5322 + + + var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|(?:([+-]\d\d)(\d\d)))$/; + + function extractRFC2822(match) { + var weekdayStr = match[1], + dayStr = match[2], + monthStr = match[3], + yearStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + obsOffset = match[8], + milOffset = match[9], + offHourStr = match[10], + offMinuteStr = match[11], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + var offset; + + if (obsOffset) { + offset = obsOffsets[obsOffset]; + } else if (milOffset) { + offset = 0; + } else { + offset = signedOffset(offHourStr, offMinuteStr); + } + + return [result, new FixedOffsetZone(offset)]; + } + + function preprocessRFC2822(s) { + // Remove comments and folding whitespace and replace multiple-spaces with a single space + return s.replace(/\([^)]*\)|[\n\t]/g, " ").replace(/(\s\s+)/g, " ").trim(); + } // http date + + + var rfc1123 = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\d\d) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\d{4}) (\d\d):(\d\d):(\d\d) GMT$/, + rfc850 = /^(Monday|Tuesday|Wedsday|Thursday|Friday|Saturday|Sunday), (\d\d)-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\d\d) (\d\d):(\d\d):(\d\d) GMT$/, + ascii = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( \d|\d\d) (\d\d):(\d\d):(\d\d) (\d{4})$/; + + function extractRFC1123Or850(match) { + var weekdayStr = match[1], + dayStr = match[2], + monthStr = match[3], + yearStr = match[4], + hourStr = match[5], + minuteStr = match[6], + secondStr = match[7], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + return [result, FixedOffsetZone.utcInstance]; + } + + function extractASCII(match) { + var weekdayStr = match[1], + monthStr = match[2], + dayStr = match[3], + hourStr = match[4], + minuteStr = match[5], + secondStr = match[6], + yearStr = match[7], + result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); + return [result, FixedOffsetZone.utcInstance]; + } + + var isoYmdWithTimeExtensionRegex = combineRegexes(isoYmdRegex, isoTimeExtensionRegex); + var isoWeekWithTimeExtensionRegex = combineRegexes(isoWeekRegex, isoTimeExtensionRegex); + var isoOrdinalWithTimeExtensionRegex = combineRegexes(isoOrdinalRegex, isoTimeExtensionRegex); + var isoTimeCombinedRegex = combineRegexes(isoTimeRegex); + var extractISOYmdTimeAndOffset = combineExtractors(extractISOYmd, extractISOTime, extractISOOffset); + var extractISOWeekTimeAndOffset = combineExtractors(extractISOWeekData, extractISOTime, extractISOOffset); + var extractISOOrdinalDateAndTime = combineExtractors(extractISOOrdinalData, extractISOTime, extractISOOffset); + var extractISOTimeAndOffset = combineExtractors(extractISOTime, extractISOOffset); + /** + * @private + */ + + function parseISODate(s) { + return parse(s, [isoYmdWithTimeExtensionRegex, extractISOYmdTimeAndOffset], [isoWeekWithTimeExtensionRegex, extractISOWeekTimeAndOffset], [isoOrdinalWithTimeExtensionRegex, extractISOOrdinalDateAndTime], [isoTimeCombinedRegex, extractISOTimeAndOffset]); + } + function parseRFC2822Date(s) { + return parse(preprocessRFC2822(s), [rfc2822, extractRFC2822]); + } + function parseHTTPDate(s) { + return parse(s, [rfc1123, extractRFC1123Or850], [rfc850, extractRFC1123Or850], [ascii, extractASCII]); + } + function parseISODuration(s) { + return parse(s, [isoDuration, extractISODuration]); + } + var extractISOTimeOnly = combineExtractors(extractISOTime); + function parseISOTimeOnly(s) { + return parse(s, [isoTimeOnly, extractISOTimeOnly]); + } + var sqlYmdWithTimeExtensionRegex = combineRegexes(sqlYmdRegex, sqlTimeExtensionRegex); + var sqlTimeCombinedRegex = combineRegexes(sqlTimeRegex); + var extractISOYmdTimeOffsetAndIANAZone = combineExtractors(extractISOYmd, extractISOTime, extractISOOffset, extractIANAZone); + var extractISOTimeOffsetAndIANAZone = combineExtractors(extractISOTime, extractISOOffset, extractIANAZone); + function parseSQL(s) { + return parse(s, [sqlYmdWithTimeExtensionRegex, extractISOYmdTimeOffsetAndIANAZone], [sqlTimeCombinedRegex, extractISOTimeOffsetAndIANAZone]); + } + + var INVALID$2 = "Invalid Duration"; // unit conversion constants + + var lowOrderMatrix = { + weeks: { + days: 7, + hours: 7 * 24, + minutes: 7 * 24 * 60, + seconds: 7 * 24 * 60 * 60, + milliseconds: 7 * 24 * 60 * 60 * 1000 + }, + days: { + hours: 24, + minutes: 24 * 60, + seconds: 24 * 60 * 60, + milliseconds: 24 * 60 * 60 * 1000 + }, + hours: { + minutes: 60, + seconds: 60 * 60, + milliseconds: 60 * 60 * 1000 + }, + minutes: { + seconds: 60, + milliseconds: 60 * 1000 + }, + seconds: { + milliseconds: 1000 + } + }, + casualMatrix = _extends({ + years: { + quarters: 4, + months: 12, + weeks: 52, + days: 365, + hours: 365 * 24, + minutes: 365 * 24 * 60, + seconds: 365 * 24 * 60 * 60, + milliseconds: 365 * 24 * 60 * 60 * 1000 + }, + quarters: { + months: 3, + weeks: 13, + days: 91, + hours: 91 * 24, + minutes: 91 * 24 * 60, + seconds: 91 * 24 * 60 * 60, + milliseconds: 91 * 24 * 60 * 60 * 1000 + }, + months: { + weeks: 4, + days: 30, + hours: 30 * 24, + minutes: 30 * 24 * 60, + seconds: 30 * 24 * 60 * 60, + milliseconds: 30 * 24 * 60 * 60 * 1000 + } + }, lowOrderMatrix), + daysInYearAccurate = 146097.0 / 400, + daysInMonthAccurate = 146097.0 / 4800, + accurateMatrix = _extends({ + years: { + quarters: 4, + months: 12, + weeks: daysInYearAccurate / 7, + days: daysInYearAccurate, + hours: daysInYearAccurate * 24, + minutes: daysInYearAccurate * 24 * 60, + seconds: daysInYearAccurate * 24 * 60 * 60, + milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000 + }, + quarters: { + months: 3, + weeks: daysInYearAccurate / 28, + days: daysInYearAccurate / 4, + hours: daysInYearAccurate * 24 / 4, + minutes: daysInYearAccurate * 24 * 60 / 4, + seconds: daysInYearAccurate * 24 * 60 * 60 / 4, + milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000 / 4 + }, + months: { + weeks: daysInMonthAccurate / 7, + days: daysInMonthAccurate, + hours: daysInMonthAccurate * 24, + minutes: daysInMonthAccurate * 24 * 60, + seconds: daysInMonthAccurate * 24 * 60 * 60, + milliseconds: daysInMonthAccurate * 24 * 60 * 60 * 1000 + } + }, lowOrderMatrix); // units ordered by size + + var orderedUnits$1 = ["years", "quarters", "months", "weeks", "days", "hours", "minutes", "seconds", "milliseconds"]; + var reverseUnits = orderedUnits$1.slice(0).reverse(); // clone really means "create another instance just like this one, but with these changes" + + function clone$1(dur, alts, clear) { + if (clear === void 0) { + clear = false; + } + + // deep merge for vals + var conf = { + values: clear ? alts.values : _extends({}, dur.values, alts.values || {}), + loc: dur.loc.clone(alts.loc), + conversionAccuracy: alts.conversionAccuracy || dur.conversionAccuracy + }; + return new Duration(conf); + } + + function antiTrunc(n) { + return n < 0 ? Math.floor(n) : Math.ceil(n); + } // NB: mutates parameters + + + function convert(matrix, fromMap, fromUnit, toMap, toUnit) { + var conv = matrix[toUnit][fromUnit], + raw = fromMap[fromUnit] / conv, + sameSign = Math.sign(raw) === Math.sign(toMap[toUnit]), + // ok, so this is wild, but see the matrix in the tests + added = !sameSign && toMap[toUnit] !== 0 && Math.abs(raw) <= 1 ? antiTrunc(raw) : Math.trunc(raw); + toMap[toUnit] += added; + fromMap[fromUnit] -= added * conv; + } // NB: mutates parameters + + + function normalizeValues(matrix, vals) { + reverseUnits.reduce(function (previous, current) { + if (!isUndefined(vals[current])) { + if (previous) { + convert(matrix, vals, previous, vals, current); + } + + return current; + } else { + return previous; + } + }, null); + } + /** + * A Duration object represents a period of time, like "2 months" or "1 day, 1 hour". Conceptually, it's just a map of units to their quantities, accompanied by some additional configuration and methods for creating, parsing, interrogating, transforming, and formatting them. They can be used on their own or in conjunction with other Luxon types; for example, you can use {@link DateTime#plus} to add a Duration object to a DateTime, producing another DateTime. + * + * Here is a brief overview of commonly used methods and getters in Duration: + * + * * **Creation** To create a Duration, use {@link Duration#fromMillis}, {@link Duration#fromObject}, or {@link Duration#fromISO}. + * * **Unit values** See the {@link Duration#years}, {@link Duration.months}, {@link Duration#weeks}, {@link Duration#days}, {@link Duration#hours}, {@link Duration#minutes}, {@link Duration#seconds}, {@link Duration#milliseconds} accessors. + * * **Configuration** See {@link Duration#locale} and {@link Duration#numberingSystem} accessors. + * * **Transformation** To create new Durations out of old ones use {@link Duration#plus}, {@link Duration#minus}, {@link Duration#normalize}, {@link Duration#set}, {@link Duration#reconfigure}, {@link Duration#shiftTo}, and {@link Duration#negate}. + * * **Output** To convert the Duration into other representations, see {@link Duration#as}, {@link Duration#toISO}, {@link Duration#toFormat}, and {@link Duration#toJSON} + * + * There's are more methods documented below. In addition, for more information on subtler topics like internationalization and validity, see the external documentation. + */ + + + var Duration = /*#__PURE__*/function () { + /** + * @private + */ + function Duration(config) { + var accurate = config.conversionAccuracy === "longterm" || false; + /** + * @access private + */ + + this.values = config.values; + /** + * @access private + */ + + this.loc = config.loc || Locale.create(); + /** + * @access private + */ + + this.conversionAccuracy = accurate ? "longterm" : "casual"; + /** + * @access private + */ + + this.invalid = config.invalid || null; + /** + * @access private + */ + + this.matrix = accurate ? accurateMatrix : casualMatrix; + /** + * @access private + */ + + this.isLuxonDuration = true; + } + /** + * Create Duration from a number of milliseconds. + * @param {number} count of milliseconds + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + + + Duration.fromMillis = function fromMillis(count, opts) { + return Duration.fromObject({ + milliseconds: count + }, opts); + } + /** + * Create a Duration from a JavaScript object with keys like 'years' and 'hours'. + * If this object is empty then a zero milliseconds duration is returned. + * @param {Object} obj - the object to create the DateTime from + * @param {number} obj.years + * @param {number} obj.quarters + * @param {number} obj.months + * @param {number} obj.weeks + * @param {number} obj.days + * @param {number} obj.hours + * @param {number} obj.minutes + * @param {number} obj.seconds + * @param {number} obj.milliseconds + * @param {Object} [opts=[]] - options for creating this Duration + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + ; + + Duration.fromObject = function fromObject(obj, opts) { + if (opts === void 0) { + opts = {}; + } + + if (obj == null || typeof obj !== "object") { + throw new InvalidArgumentError("Duration.fromObject: argument expected to be an object, got " + (obj === null ? "null" : typeof obj)); + } + + return new Duration({ + values: normalizeObject(obj, Duration.normalizeUnit), + loc: Locale.fromObject(opts), + conversionAccuracy: opts.conversionAccuracy + }); + } + /** + * Create a Duration from DurationLike. + * + * @param {Object | number | Duration} durationLike + * One of: + * - object with keys like 'years' and 'hours'. + * - number representing milliseconds + * - Duration instance + * @return {Duration} + */ + ; + + Duration.fromDurationLike = function fromDurationLike(durationLike) { + if (isNumber(durationLike)) { + return Duration.fromMillis(durationLike); + } else if (Duration.isDuration(durationLike)) { + return durationLike; + } else if (typeof durationLike === "object") { + return Duration.fromObject(durationLike); + } else { + throw new InvalidArgumentError("Unknown duration argument " + durationLike + " of type " + typeof durationLike); + } + } + /** + * Create a Duration from an ISO 8601 duration string. + * @param {string} text - text to parse + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @see https://en.wikipedia.org/wiki/ISO_8601#Durations + * @example Duration.fromISO('P3Y6M1W4DT12H30M5S').toObject() //=> { years: 3, months: 6, weeks: 1, days: 4, hours: 12, minutes: 30, seconds: 5 } + * @example Duration.fromISO('PT23H').toObject() //=> { hours: 23 } + * @example Duration.fromISO('P5Y3M').toObject() //=> { years: 5, months: 3 } + * @return {Duration} + */ + ; + + Duration.fromISO = function fromISO(text, opts) { + var _parseISODuration = parseISODuration(text), + parsed = _parseISODuration[0]; + + if (parsed) { + return Duration.fromObject(parsed, opts); + } else { + return Duration.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + } + /** + * Create a Duration from an ISO 8601 time string. + * @param {string} text - text to parse + * @param {Object} opts - options for parsing + * @param {string} [opts.locale='en-US'] - the locale to use + * @param {string} opts.numberingSystem - the numbering system to use + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @see https://en.wikipedia.org/wiki/ISO_8601#Times + * @example Duration.fromISOTime('11:22:33.444').toObject() //=> { hours: 11, minutes: 22, seconds: 33, milliseconds: 444 } + * @example Duration.fromISOTime('11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('T11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @example Duration.fromISOTime('T1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 } + * @return {Duration} + */ + ; + + Duration.fromISOTime = function fromISOTime(text, opts) { + var _parseISOTimeOnly = parseISOTimeOnly(text), + parsed = _parseISOTimeOnly[0]; + + if (parsed) { + return Duration.fromObject(parsed, opts); + } else { + return Duration.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + } + /** + * Create an invalid Duration. + * @param {string} reason - simple string of why this datetime is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {Duration} + */ + ; + + Duration.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the Duration is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidDurationError(invalid); + } else { + return new Duration({ + invalid: invalid + }); + } + } + /** + * @private + */ + ; + + Duration.normalizeUnit = function normalizeUnit(unit) { + var normalized = { + year: "years", + years: "years", + quarter: "quarters", + quarters: "quarters", + month: "months", + months: "months", + week: "weeks", + weeks: "weeks", + day: "days", + days: "days", + hour: "hours", + hours: "hours", + minute: "minutes", + minutes: "minutes", + second: "seconds", + seconds: "seconds", + millisecond: "milliseconds", + milliseconds: "milliseconds" + }[unit ? unit.toLowerCase() : unit]; + if (!normalized) throw new InvalidUnitError(unit); + return normalized; + } + /** + * Check if an object is a Duration. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + Duration.isDuration = function isDuration(o) { + return o && o.isLuxonDuration || false; + } + /** + * Get the locale of a Duration, such 'en-GB' + * @type {string} + */ + ; + + var _proto = Duration.prototype; + + /** + * Returns a string representation of this Duration formatted according to the specified format string. You may use these tokens: + * * `S` for milliseconds + * * `s` for seconds + * * `m` for minutes + * * `h` for hours + * * `d` for days + * * `M` for months + * * `y` for years + * Notes: + * * Add padding by repeating the token, e.g. "yy" pads the years to two digits, "hhhh" pads the hours out to four digits + * * The duration will be converted to the set of units in the format string using {@link Duration#shiftTo} and the Durations's conversion accuracy setting. + * @param {string} fmt - the format string + * @param {Object} opts - options + * @param {boolean} [opts.floor=true] - floor numerical values + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("y d s") //=> "1 6 2" + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("yy dd sss") //=> "01 06 002" + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat("M S") //=> "12 518402000" + * @return {string} + */ + _proto.toFormat = function toFormat(fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + // reverse-compat since 1.2; we always round down now, never up, and we do it by default + var fmtOpts = _extends({}, opts, { + floor: opts.round !== false && opts.floor !== false + }); + + return this.isValid ? Formatter.create(this.loc, fmtOpts).formatDurationFromString(this, fmt) : INVALID$2; + } + /** + * Returns a string representation of a Duration with all units included + * To modify its behavior use the `listStyle` and any Intl.NumberFormat option, though `unitDisplay` is especially relevant. See {@link Intl.NumberFormat}. + * @param opts - On option object to override the formatting. Accepts the same keys as the options parameter of the native `Int.NumberFormat` constructor, as well as `listStyle`. + * @example + * ```js + * var dur = Duration.fromObject({ days: 1, hours: 5, minutes: 6 }) + * dur.toHuman() //=> '1 day, 5 hours, 6 minutes' + * dur.toHuman({ listStyle: "long" }) //=> '1 day, 5 hours, and 6 minutes' + * dur.toHuman({ unitDisplay: "short" }) //=> '1 day, 5 hr, 6 min' + * ``` + */ + ; + + _proto.toHuman = function toHuman(opts) { + var _this = this; + + if (opts === void 0) { + opts = {}; + } + + var l = orderedUnits$1.map(function (unit) { + var val = _this.values[unit]; + + if (isUndefined(val)) { + return null; + } + + return _this.loc.numberFormatter(_extends({ + style: "unit", + unitDisplay: "long" + }, opts, { + unit: unit.slice(0, -1) + })).format(val); + }).filter(function (n) { + return n; + }); + return this.loc.listFormatter(_extends({ + type: "conjunction", + style: opts.listStyle || "narrow" + }, opts)).format(l); + } + /** + * Returns a JavaScript object with this Duration's values. + * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toObject() //=> { years: 1, days: 6, seconds: 2 } + * @return {Object} + */ + ; + + _proto.toObject = function toObject() { + if (!this.isValid) return {}; + return _extends({}, this.values); + } + /** + * Returns an ISO 8601-compliant string representation of this Duration. + * @see https://en.wikipedia.org/wiki/ISO_8601#Durations + * @example Duration.fromObject({ years: 3, seconds: 45 }).toISO() //=> 'P3YT45S' + * @example Duration.fromObject({ months: 4, seconds: 45 }).toISO() //=> 'P4MT45S' + * @example Duration.fromObject({ months: 5 }).toISO() //=> 'P5M' + * @example Duration.fromObject({ minutes: 5 }).toISO() //=> 'PT5M' + * @example Duration.fromObject({ milliseconds: 6 }).toISO() //=> 'PT0.006S' + * @return {string} + */ + ; + + _proto.toISO = function toISO() { + // we could use the formatter, but this is an easier way to get the minimum string + if (!this.isValid) return null; + var s = "P"; + if (this.years !== 0) s += this.years + "Y"; + if (this.months !== 0 || this.quarters !== 0) s += this.months + this.quarters * 3 + "M"; + if (this.weeks !== 0) s += this.weeks + "W"; + if (this.days !== 0) s += this.days + "D"; + if (this.hours !== 0 || this.minutes !== 0 || this.seconds !== 0 || this.milliseconds !== 0) s += "T"; + if (this.hours !== 0) s += this.hours + "H"; + if (this.minutes !== 0) s += this.minutes + "M"; + if (this.seconds !== 0 || this.milliseconds !== 0) // this will handle "floating point madness" by removing extra decimal places + // https://stackoverflow.com/questions/588004/is-floating-point-math-broken + s += roundTo(this.seconds + this.milliseconds / 1000, 3) + "S"; + if (s === "P") s += "T0S"; + return s; + } + /** + * Returns an ISO 8601-compliant string representation of this Duration, formatted as a time of day. + * Note that this will return null if the duration is invalid, negative, or equal to or greater than 24 hours. + * @see https://en.wikipedia.org/wiki/ISO_8601#Times + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includePrefix=false] - include the `T` prefix + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example Duration.fromObject({ hours: 11 }).toISOTime() //=> '11:00:00.000' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressMilliseconds: true }) //=> '11:00:00' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressSeconds: true }) //=> '11:00' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ includePrefix: true }) //=> 'T11:00:00.000' + * @example Duration.fromObject({ hours: 11 }).toISOTime({ format: 'basic' }) //=> '110000.000' + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) return null; + var millis = this.toMillis(); + if (millis < 0 || millis >= 86400000) return null; + opts = _extends({ + suppressMilliseconds: false, + suppressSeconds: false, + includePrefix: false, + format: "extended" + }, opts); + var value = this.shiftTo("hours", "minutes", "seconds", "milliseconds"); + var fmt = opts.format === "basic" ? "hhmm" : "hh:mm"; + + if (!opts.suppressSeconds || value.seconds !== 0 || value.milliseconds !== 0) { + fmt += opts.format === "basic" ? "ss" : ":ss"; + + if (!opts.suppressMilliseconds || value.milliseconds !== 0) { + fmt += ".SSS"; + } + } + + var str = value.toFormat(fmt); + + if (opts.includePrefix) { + str = "T" + str; + } + + return str; + } + /** + * Returns an ISO 8601 representation of this Duration appropriate for use in JSON. + * @return {string} + */ + ; + + _proto.toJSON = function toJSON() { + return this.toISO(); + } + /** + * Returns an ISO 8601 representation of this Duration appropriate for use in debugging. + * @return {string} + */ + ; + + _proto.toString = function toString() { + return this.toISO(); + } + /** + * Returns an milliseconds value of this Duration. + * @return {number} + */ + ; + + _proto.toMillis = function toMillis() { + return this.as("milliseconds"); + } + /** + * Returns an milliseconds value of this Duration. Alias of {@link toMillis} + * @return {number} + */ + ; + + _proto.valueOf = function valueOf() { + return this.toMillis(); + } + /** + * Make this Duration longer by the specified amount. Return a newly-constructed Duration. + * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @return {Duration} + */ + ; + + _proto.plus = function plus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration), + result = {}; + + for (var _iterator = _createForOfIteratorHelperLoose(orderedUnits$1), _step; !(_step = _iterator()).done;) { + var k = _step.value; + + if (hasOwnProperty(dur.values, k) || hasOwnProperty(this.values, k)) { + result[k] = dur.get(k) + this.get(k); + } + } + + return clone$1(this, { + values: result + }, true); + } + /** + * Make this Duration shorter by the specified amount. Return a newly-constructed Duration. + * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @return {Duration} + */ + ; + + _proto.minus = function minus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration); + return this.plus(dur.negate()); + } + /** + * Scale this Duration by the specified amount. Return a newly-constructed Duration. + * @param {function} fn - The function to apply to each unit. Arity is 1 or 2: the value of the unit and, optionally, the unit name. Must return a number. + * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits(x => x * 2) //=> { hours: 2, minutes: 60 } + * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits((x, u) => u === "hour" ? x * 2 : x) //=> { hours: 2, minutes: 30 } + * @return {Duration} + */ + ; + + _proto.mapUnits = function mapUnits(fn) { + if (!this.isValid) return this; + var result = {}; + + for (var _i = 0, _Object$keys = Object.keys(this.values); _i < _Object$keys.length; _i++) { + var k = _Object$keys[_i]; + result[k] = asNumber(fn(this.values[k], k)); + } + + return clone$1(this, { + values: result + }, true); + } + /** + * Get the value of unit. + * @param {string} unit - a unit such as 'minute' or 'day' + * @example Duration.fromObject({years: 2, days: 3}).get('years') //=> 2 + * @example Duration.fromObject({years: 2, days: 3}).get('months') //=> 0 + * @example Duration.fromObject({years: 2, days: 3}).get('days') //=> 3 + * @return {number} + */ + ; + + _proto.get = function get(unit) { + return this[Duration.normalizeUnit(unit)]; + } + /** + * "Set" the values of specified units. Return a newly-constructed Duration. + * @param {Object} values - a mapping of units to numbers + * @example dur.set({ years: 2017 }) + * @example dur.set({ hours: 8, minutes: 30 }) + * @return {Duration} + */ + ; + + _proto.set = function set(values) { + if (!this.isValid) return this; + + var mixed = _extends({}, this.values, normalizeObject(values, Duration.normalizeUnit)); + + return clone$1(this, { + values: mixed + }); + } + /** + * "Set" the locale and/or numberingSystem. Returns a newly-constructed Duration. + * @example dur.reconfigure({ locale: 'en-GB' }) + * @return {Duration} + */ + ; + + _proto.reconfigure = function reconfigure(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + locale = _ref.locale, + numberingSystem = _ref.numberingSystem, + conversionAccuracy = _ref.conversionAccuracy; + + var loc = this.loc.clone({ + locale: locale, + numberingSystem: numberingSystem + }), + opts = { + loc: loc + }; + + if (conversionAccuracy) { + opts.conversionAccuracy = conversionAccuracy; + } + + return clone$1(this, opts); + } + /** + * Return the length of the duration in the specified unit. + * @param {string} unit - a unit such as 'minutes' or 'days' + * @example Duration.fromObject({years: 1}).as('days') //=> 365 + * @example Duration.fromObject({years: 1}).as('months') //=> 12 + * @example Duration.fromObject({hours: 60}).as('days') //=> 2.5 + * @return {number} + */ + ; + + _proto.as = function as(unit) { + return this.isValid ? this.shiftTo(unit).get(unit) : NaN; + } + /** + * Reduce this Duration to its canonical representation in its current units. + * @example Duration.fromObject({ years: 2, days: 5000 }).normalize().toObject() //=> { years: 15, days: 255 } + * @example Duration.fromObject({ hours: 12, minutes: -45 }).normalize().toObject() //=> { hours: 11, minutes: 15 } + * @return {Duration} + */ + ; + + _proto.normalize = function normalize() { + if (!this.isValid) return this; + var vals = this.toObject(); + normalizeValues(this.matrix, vals); + return clone$1(this, { + values: vals + }, true); + } + /** + * Convert this Duration into its representation in a different set of units. + * @example Duration.fromObject({ hours: 1, seconds: 30 }).shiftTo('minutes', 'milliseconds').toObject() //=> { minutes: 60, milliseconds: 30000 } + * @return {Duration} + */ + ; + + _proto.shiftTo = function shiftTo() { + for (var _len = arguments.length, units = new Array(_len), _key = 0; _key < _len; _key++) { + units[_key] = arguments[_key]; + } + + if (!this.isValid) return this; + + if (units.length === 0) { + return this; + } + + units = units.map(function (u) { + return Duration.normalizeUnit(u); + }); + var built = {}, + accumulated = {}, + vals = this.toObject(); + var lastUnit; + + for (var _iterator2 = _createForOfIteratorHelperLoose(orderedUnits$1), _step2; !(_step2 = _iterator2()).done;) { + var k = _step2.value; + + if (units.indexOf(k) >= 0) { + lastUnit = k; + var own = 0; // anything we haven't boiled down yet should get boiled to this unit + + for (var ak in accumulated) { + own += this.matrix[ak][k] * accumulated[ak]; + accumulated[ak] = 0; + } // plus anything that's already in this unit + + + if (isNumber(vals[k])) { + own += vals[k]; + } + + var i = Math.trunc(own); + built[k] = i; + accumulated[k] = (own * 1000 - i * 1000) / 1000; // plus anything further down the chain that should be rolled up in to this + + for (var down in vals) { + if (orderedUnits$1.indexOf(down) > orderedUnits$1.indexOf(k)) { + convert(this.matrix, vals, down, built, k); + } + } // otherwise, keep it in the wings to boil it later + + } else if (isNumber(vals[k])) { + accumulated[k] = vals[k]; + } + } // anything leftover becomes the decimal for the last unit + // lastUnit must be defined since units is not empty + + + for (var key in accumulated) { + if (accumulated[key] !== 0) { + built[lastUnit] += key === lastUnit ? accumulated[key] : accumulated[key] / this.matrix[lastUnit][key]; + } + } + + return clone$1(this, { + values: built + }, true).normalize(); + } + /** + * Return the negative of this Duration. + * @example Duration.fromObject({ hours: 1, seconds: 30 }).negate().toObject() //=> { hours: -1, seconds: -30 } + * @return {Duration} + */ + ; + + _proto.negate = function negate() { + if (!this.isValid) return this; + var negated = {}; + + for (var _i2 = 0, _Object$keys2 = Object.keys(this.values); _i2 < _Object$keys2.length; _i2++) { + var k = _Object$keys2[_i2]; + negated[k] = this.values[k] === 0 ? 0 : -this.values[k]; + } + + return clone$1(this, { + values: negated + }, true); + } + /** + * Get the years. + * @type {number} + */ + ; + + /** + * Equality check + * Two Durations are equal iff they have the same units and the same values for each unit. + * @param {Duration} other + * @return {boolean} + */ + _proto.equals = function equals(other) { + if (!this.isValid || !other.isValid) { + return false; + } + + if (!this.loc.equals(other.loc)) { + return false; + } + + function eq(v1, v2) { + // Consider 0 and undefined as equal + if (v1 === undefined || v1 === 0) return v2 === undefined || v2 === 0; + return v1 === v2; + } + + for (var _iterator3 = _createForOfIteratorHelperLoose(orderedUnits$1), _step3; !(_step3 = _iterator3()).done;) { + var u = _step3.value; + + if (!eq(this.values[u], other.values[u])) { + return false; + } + } + + return true; + }; + + _createClass(Duration, [{ + key: "locale", + get: function get() { + return this.isValid ? this.loc.locale : null; + } + /** + * Get the numbering system of a Duration, such 'beng'. The numbering system is used when formatting the Duration + * + * @type {string} + */ + + }, { + key: "numberingSystem", + get: function get() { + return this.isValid ? this.loc.numberingSystem : null; + } + }, { + key: "years", + get: function get() { + return this.isValid ? this.values.years || 0 : NaN; + } + /** + * Get the quarters. + * @type {number} + */ + + }, { + key: "quarters", + get: function get() { + return this.isValid ? this.values.quarters || 0 : NaN; + } + /** + * Get the months. + * @type {number} + */ + + }, { + key: "months", + get: function get() { + return this.isValid ? this.values.months || 0 : NaN; + } + /** + * Get the weeks + * @type {number} + */ + + }, { + key: "weeks", + get: function get() { + return this.isValid ? this.values.weeks || 0 : NaN; + } + /** + * Get the days. + * @type {number} + */ + + }, { + key: "days", + get: function get() { + return this.isValid ? this.values.days || 0 : NaN; + } + /** + * Get the hours. + * @type {number} + */ + + }, { + key: "hours", + get: function get() { + return this.isValid ? this.values.hours || 0 : NaN; + } + /** + * Get the minutes. + * @type {number} + */ + + }, { + key: "minutes", + get: function get() { + return this.isValid ? this.values.minutes || 0 : NaN; + } + /** + * Get the seconds. + * @return {number} + */ + + }, { + key: "seconds", + get: function get() { + return this.isValid ? this.values.seconds || 0 : NaN; + } + /** + * Get the milliseconds. + * @return {number} + */ + + }, { + key: "milliseconds", + get: function get() { + return this.isValid ? this.values.milliseconds || 0 : NaN; + } + /** + * Returns whether the Duration is invalid. Invalid durations are returned by diff operations + * on invalid DateTimes or Intervals. + * @return {boolean} + */ + + }, { + key: "isValid", + get: function get() { + return this.invalid === null; + } + /** + * Returns an error code if this Duration became invalid, or null if the Duration is valid + * @return {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this Duration became invalid, or null if the Duration is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + }]); + + return Duration; + }(); + + var INVALID$1 = "Invalid Interval"; // checks if the start is equal to or before the end + + function validateStartEnd(start, end) { + if (!start || !start.isValid) { + return Interval.invalid("missing or invalid start"); + } else if (!end || !end.isValid) { + return Interval.invalid("missing or invalid end"); + } else if (end < start) { + return Interval.invalid("end before start", "The end of an interval must be after its start, but you had start=" + start.toISO() + " and end=" + end.toISO()); + } else { + return null; + } + } + /** + * An Interval object represents a half-open interval of time, where each endpoint is a {@link DateTime}. Conceptually, it's a container for those two endpoints, accompanied by methods for creating, parsing, interrogating, comparing, transforming, and formatting them. + * + * Here is a brief overview of the most commonly used methods and getters in Interval: + * + * * **Creation** To create an Interval, use {@link Interval#fromDateTimes}, {@link Interval#after}, {@link Interval#before}, or {@link Interval#fromISO}. + * * **Accessors** Use {@link Interval#start} and {@link Interval#end} to get the start and end. + * * **Interrogation** To analyze the Interval, use {@link Interval#count}, {@link Interval#length}, {@link Interval#hasSame}, {@link Interval#contains}, {@link Interval#isAfter}, or {@link Interval#isBefore}. + * * **Transformation** To create other Intervals out of this one, use {@link Interval#set}, {@link Interval#splitAt}, {@link Interval#splitBy}, {@link Interval#divideEqually}, {@link Interval#merge}, {@link Interval#xor}, {@link Interval#union}, {@link Interval#intersection}, or {@link Interval#difference}. + * * **Comparison** To compare this Interval to another one, use {@link Interval#equals}, {@link Interval#overlaps}, {@link Interval#abutsStart}, {@link Interval#abutsEnd}, {@link Interval#engulfs} + * * **Output** To convert the Interval into other representations, see {@link Interval#toString}, {@link Interval#toISO}, {@link Interval#toISODate}, {@link Interval#toISOTime}, {@link Interval#toFormat}, and {@link Interval#toDuration}. + */ + + + var Interval = /*#__PURE__*/function () { + /** + * @private + */ + function Interval(config) { + /** + * @access private + */ + this.s = config.start; + /** + * @access private + */ + + this.e = config.end; + /** + * @access private + */ + + this.invalid = config.invalid || null; + /** + * @access private + */ + + this.isLuxonInterval = true; + } + /** + * Create an invalid Interval. + * @param {string} reason - simple string of why this Interval is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {Interval} + */ + + + Interval.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the Interval is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidIntervalError(invalid); + } else { + return new Interval({ + invalid: invalid + }); + } + } + /** + * Create an Interval from a start DateTime and an end DateTime. Inclusive of the start but not the end. + * @param {DateTime|Date|Object} start + * @param {DateTime|Date|Object} end + * @return {Interval} + */ + ; + + Interval.fromDateTimes = function fromDateTimes(start, end) { + var builtStart = friendlyDateTime(start), + builtEnd = friendlyDateTime(end); + var validateError = validateStartEnd(builtStart, builtEnd); + + if (validateError == null) { + return new Interval({ + start: builtStart, + end: builtEnd + }); + } else { + return validateError; + } + } + /** + * Create an Interval from a start DateTime and a Duration to extend to. + * @param {DateTime|Date|Object} start + * @param {Duration|Object|number} duration - the length of the Interval. + * @return {Interval} + */ + ; + + Interval.after = function after(start, duration) { + var dur = Duration.fromDurationLike(duration), + dt = friendlyDateTime(start); + return Interval.fromDateTimes(dt, dt.plus(dur)); + } + /** + * Create an Interval from an end DateTime and a Duration to extend backwards to. + * @param {DateTime|Date|Object} end + * @param {Duration|Object|number} duration - the length of the Interval. + * @return {Interval} + */ + ; + + Interval.before = function before(end, duration) { + var dur = Duration.fromDurationLike(duration), + dt = friendlyDateTime(end); + return Interval.fromDateTimes(dt.minus(dur), dt); + } + /** + * Create an Interval from an ISO 8601 string. + * Accepts `/`, `/`, and `/` formats. + * @param {string} text - the ISO string to parse + * @param {Object} [opts] - options to pass {@link DateTime#fromISO} and optionally {@link Duration#fromISO} + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @return {Interval} + */ + ; + + Interval.fromISO = function fromISO(text, opts) { + var _split = (text || "").split("/", 2), + s = _split[0], + e = _split[1]; + + if (s && e) { + var start, startIsValid; + + try { + start = DateTime.fromISO(s, opts); + startIsValid = start.isValid; + } catch (e) { + startIsValid = false; + } + + var end, endIsValid; + + try { + end = DateTime.fromISO(e, opts); + endIsValid = end.isValid; + } catch (e) { + endIsValid = false; + } + + if (startIsValid && endIsValid) { + return Interval.fromDateTimes(start, end); + } + + if (startIsValid) { + var dur = Duration.fromISO(e, opts); + + if (dur.isValid) { + return Interval.after(start, dur); + } + } else if (endIsValid) { + var _dur = Duration.fromISO(s, opts); + + if (_dur.isValid) { + return Interval.before(end, _dur); + } + } + } + + return Interval.invalid("unparsable", "the input \"" + text + "\" can't be parsed as ISO 8601"); + } + /** + * Check if an object is an Interval. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + Interval.isInterval = function isInterval(o) { + return o && o.isLuxonInterval || false; + } + /** + * Returns the start of the Interval + * @type {DateTime} + */ + ; + + var _proto = Interval.prototype; + + /** + * Returns the length of the Interval in the specified unit. + * @param {string} unit - the unit (such as 'hours' or 'days') to return the length in. + * @return {number} + */ + _proto.length = function length(unit) { + if (unit === void 0) { + unit = "milliseconds"; + } + + return this.isValid ? this.toDuration.apply(this, [unit]).get(unit) : NaN; + } + /** + * Returns the count of minutes, hours, days, months, or years included in the Interval, even in part. + * Unlike {@link Interval#length} this counts sections of the calendar, not periods of time, e.g. specifying 'day' + * asks 'what dates are included in this interval?', not 'how many days long is this interval?' + * @param {string} [unit='milliseconds'] - the unit of time to count. + * @return {number} + */ + ; + + _proto.count = function count(unit) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (!this.isValid) return NaN; + var start = this.start.startOf(unit), + end = this.end.startOf(unit); + return Math.floor(end.diff(start, unit).get(unit)) + 1; + } + /** + * Returns whether this Interval's start and end are both in the same unit of time + * @param {string} unit - the unit of time to check sameness on + * @return {boolean} + */ + ; + + _proto.hasSame = function hasSame(unit) { + return this.isValid ? this.isEmpty() || this.e.minus(1).hasSame(this.s, unit) : false; + } + /** + * Return whether this Interval has the same start and end DateTimes. + * @return {boolean} + */ + ; + + _proto.isEmpty = function isEmpty() { + return this.s.valueOf() === this.e.valueOf(); + } + /** + * Return whether this Interval's start is after the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.isAfter = function isAfter(dateTime) { + if (!this.isValid) return false; + return this.s > dateTime; + } + /** + * Return whether this Interval's end is before the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.isBefore = function isBefore(dateTime) { + if (!this.isValid) return false; + return this.e <= dateTime; + } + /** + * Return whether this Interval contains the specified DateTime. + * @param {DateTime} dateTime + * @return {boolean} + */ + ; + + _proto.contains = function contains(dateTime) { + if (!this.isValid) return false; + return this.s <= dateTime && this.e > dateTime; + } + /** + * "Sets" the start and/or end dates. Returns a newly-constructed Interval. + * @param {Object} values - the values to set + * @param {DateTime} values.start - the starting DateTime + * @param {DateTime} values.end - the ending DateTime + * @return {Interval} + */ + ; + + _proto.set = function set(_temp) { + var _ref = _temp === void 0 ? {} : _temp, + start = _ref.start, + end = _ref.end; + + if (!this.isValid) return this; + return Interval.fromDateTimes(start || this.s, end || this.e); + } + /** + * Split this Interval at each of the specified DateTimes + * @param {...DateTime} dateTimes - the unit of time to count. + * @return {Array} + */ + ; + + _proto.splitAt = function splitAt() { + var _this = this; + + if (!this.isValid) return []; + + for (var _len = arguments.length, dateTimes = new Array(_len), _key = 0; _key < _len; _key++) { + dateTimes[_key] = arguments[_key]; + } + + var sorted = dateTimes.map(friendlyDateTime).filter(function (d) { + return _this.contains(d); + }).sort(), + results = []; + var s = this.s, + i = 0; + + while (s < this.e) { + var added = sorted[i] || this.e, + next = +added > +this.e ? this.e : added; + results.push(Interval.fromDateTimes(s, next)); + s = next; + i += 1; + } + + return results; + } + /** + * Split this Interval into smaller Intervals, each of the specified length. + * Left over time is grouped into a smaller interval + * @param {Duration|Object|number} duration - The length of each resulting interval. + * @return {Array} + */ + ; + + _proto.splitBy = function splitBy(duration) { + var dur = Duration.fromDurationLike(duration); + + if (!this.isValid || !dur.isValid || dur.as("milliseconds") === 0) { + return []; + } + + var s = this.s, + idx = 1, + next; + var results = []; + + while (s < this.e) { + var added = this.start.plus(dur.mapUnits(function (x) { + return x * idx; + })); + next = +added > +this.e ? this.e : added; + results.push(Interval.fromDateTimes(s, next)); + s = next; + idx += 1; + } + + return results; + } + /** + * Split this Interval into the specified number of smaller intervals. + * @param {number} numberOfParts - The number of Intervals to divide the Interval into. + * @return {Array} + */ + ; + + _proto.divideEqually = function divideEqually(numberOfParts) { + if (!this.isValid) return []; + return this.splitBy(this.length() / numberOfParts).slice(0, numberOfParts); + } + /** + * Return whether this Interval overlaps with the specified Interval + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.overlaps = function overlaps(other) { + return this.e > other.s && this.s < other.e; + } + /** + * Return whether this Interval's end is adjacent to the specified Interval's start. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.abutsStart = function abutsStart(other) { + if (!this.isValid) return false; + return +this.e === +other.s; + } + /** + * Return whether this Interval's start is adjacent to the specified Interval's end. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.abutsEnd = function abutsEnd(other) { + if (!this.isValid) return false; + return +other.e === +this.s; + } + /** + * Return whether this Interval engulfs the start and end of the specified Interval. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.engulfs = function engulfs(other) { + if (!this.isValid) return false; + return this.s <= other.s && this.e >= other.e; + } + /** + * Return whether this Interval has the same start and end as the specified Interval. + * @param {Interval} other + * @return {boolean} + */ + ; + + _proto.equals = function equals(other) { + if (!this.isValid || !other.isValid) { + return false; + } + + return this.s.equals(other.s) && this.e.equals(other.e); + } + /** + * Return an Interval representing the intersection of this Interval and the specified Interval. + * Specifically, the resulting Interval has the maximum start time and the minimum end time of the two Intervals. + * Returns null if the intersection is empty, meaning, the intervals don't intersect. + * @param {Interval} other + * @return {Interval} + */ + ; + + _proto.intersection = function intersection(other) { + if (!this.isValid) return this; + var s = this.s > other.s ? this.s : other.s, + e = this.e < other.e ? this.e : other.e; + + if (s >= e) { + return null; + } else { + return Interval.fromDateTimes(s, e); + } + } + /** + * Return an Interval representing the union of this Interval and the specified Interval. + * Specifically, the resulting Interval has the minimum start time and the maximum end time of the two Intervals. + * @param {Interval} other + * @return {Interval} + */ + ; + + _proto.union = function union(other) { + if (!this.isValid) return this; + var s = this.s < other.s ? this.s : other.s, + e = this.e > other.e ? this.e : other.e; + return Interval.fromDateTimes(s, e); + } + /** + * Merge an array of Intervals into a equivalent minimal set of Intervals. + * Combines overlapping and adjacent Intervals. + * @param {Array} intervals + * @return {Array} + */ + ; + + Interval.merge = function merge(intervals) { + var _intervals$sort$reduc = intervals.sort(function (a, b) { + return a.s - b.s; + }).reduce(function (_ref2, item) { + var sofar = _ref2[0], + current = _ref2[1]; + + if (!current) { + return [sofar, item]; + } else if (current.overlaps(item) || current.abutsStart(item)) { + return [sofar, current.union(item)]; + } else { + return [sofar.concat([current]), item]; + } + }, [[], null]), + found = _intervals$sort$reduc[0], + final = _intervals$sort$reduc[1]; + + if (final) { + found.push(final); + } + + return found; + } + /** + * Return an array of Intervals representing the spans of time that only appear in one of the specified Intervals. + * @param {Array} intervals + * @return {Array} + */ + ; + + Interval.xor = function xor(intervals) { + var _Array$prototype; + + var start = null, + currentCount = 0; + + var results = [], + ends = intervals.map(function (i) { + return [{ + time: i.s, + type: "s" + }, { + time: i.e, + type: "e" + }]; + }), + flattened = (_Array$prototype = Array.prototype).concat.apply(_Array$prototype, ends), + arr = flattened.sort(function (a, b) { + return a.time - b.time; + }); + + for (var _iterator = _createForOfIteratorHelperLoose(arr), _step; !(_step = _iterator()).done;) { + var i = _step.value; + currentCount += i.type === "s" ? 1 : -1; + + if (currentCount === 1) { + start = i.time; + } else { + if (start && +start !== +i.time) { + results.push(Interval.fromDateTimes(start, i.time)); + } + + start = null; + } + } + + return Interval.merge(results); + } + /** + * Return an Interval representing the span of time in this Interval that doesn't overlap with any of the specified Intervals. + * @param {...Interval} intervals + * @return {Array} + */ + ; + + _proto.difference = function difference() { + var _this2 = this; + + for (var _len2 = arguments.length, intervals = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + intervals[_key2] = arguments[_key2]; + } + + return Interval.xor([this].concat(intervals)).map(function (i) { + return _this2.intersection(i); + }).filter(function (i) { + return i && !i.isEmpty(); + }); + } + /** + * Returns a string representation of this Interval appropriate for debugging. + * @return {string} + */ + ; + + _proto.toString = function toString() { + if (!this.isValid) return INVALID$1; + return "[" + this.s.toISO() + " \u2013 " + this.e.toISO() + ")"; + } + /** + * Returns an ISO 8601-compliant string representation of this Interval. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @param {Object} opts - The same options as {@link DateTime#toISO} + * @return {string} + */ + ; + + _proto.toISO = function toISO(opts) { + if (!this.isValid) return INVALID$1; + return this.s.toISO(opts) + "/" + this.e.toISO(opts); + } + /** + * Returns an ISO 8601-compliant string representation of date of this Interval. + * The time components are ignored. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @return {string} + */ + ; + + _proto.toISODate = function toISODate() { + if (!this.isValid) return INVALID$1; + return this.s.toISODate() + "/" + this.e.toISODate(); + } + /** + * Returns an ISO 8601-compliant string representation of time of this Interval. + * The date components are ignored. + * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals + * @param {Object} opts - The same options as {@link DateTime#toISO} + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(opts) { + if (!this.isValid) return INVALID$1; + return this.s.toISOTime(opts) + "/" + this.e.toISOTime(opts); + } + /** + * Returns a string representation of this Interval formatted according to the specified format string. + * @param {string} dateFormat - the format string. This string formats the start and end time. See {@link DateTime#toFormat} for details. + * @param {Object} opts - options + * @param {string} [opts.separator = ' – '] - a separator to place between the start and end representations + * @return {string} + */ + ; + + _proto.toFormat = function toFormat(dateFormat, _temp2) { + var _ref3 = _temp2 === void 0 ? {} : _temp2, + _ref3$separator = _ref3.separator, + separator = _ref3$separator === void 0 ? " – " : _ref3$separator; + + if (!this.isValid) return INVALID$1; + return "" + this.s.toFormat(dateFormat) + separator + this.e.toFormat(dateFormat); + } + /** + * Return a Duration representing the time spanned by this interval. + * @param {string|string[]} [unit=['milliseconds']] - the unit or units (such as 'hours' or 'days') to include in the duration. + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @example Interval.fromDateTimes(dt1, dt2).toDuration().toObject() //=> { milliseconds: 88489257 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration('days').toObject() //=> { days: 1.0241812152777778 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes']).toObject() //=> { hours: 24, minutes: 34.82095 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes', 'seconds']).toObject() //=> { hours: 24, minutes: 34, seconds: 49.257 } + * @example Interval.fromDateTimes(dt1, dt2).toDuration('seconds').toObject() //=> { seconds: 88489.257 } + * @return {Duration} + */ + ; + + _proto.toDuration = function toDuration(unit, opts) { + if (!this.isValid) { + return Duration.invalid(this.invalidReason); + } + + return this.e.diff(this.s, unit, opts); + } + /** + * Run mapFn on the interval start and end, returning a new Interval from the resulting DateTimes + * @param {function} mapFn + * @return {Interval} + * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.toUTC()) + * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.plus({ hours: 2 })) + */ + ; + + _proto.mapEndpoints = function mapEndpoints(mapFn) { + return Interval.fromDateTimes(mapFn(this.s), mapFn(this.e)); + }; + + _createClass(Interval, [{ + key: "start", + get: function get() { + return this.isValid ? this.s : null; + } + /** + * Returns the end of the Interval + * @type {DateTime} + */ + + }, { + key: "end", + get: function get() { + return this.isValid ? this.e : null; + } + /** + * Returns whether this Interval's end is at least its start, meaning that the Interval isn't 'backwards'. + * @type {boolean} + */ + + }, { + key: "isValid", + get: function get() { + return this.invalidReason === null; + } + /** + * Returns an error code if this Interval is invalid, or null if the Interval is valid + * @type {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this Interval became invalid, or null if the Interval is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + }]); + + return Interval; + }(); + + /** + * The Info class contains static methods for retrieving general time and date related data. For example, it has methods for finding out if a time zone has a DST, for listing the months in any supported locale, and for discovering which of Luxon features are available in the current environment. + */ + + var Info = /*#__PURE__*/function () { + function Info() {} + + /** + * Return whether the specified zone contains a DST. + * @param {string|Zone} [zone='local'] - Zone to check. Defaults to the environment's local zone. + * @return {boolean} + */ + Info.hasDST = function hasDST(zone) { + if (zone === void 0) { + zone = Settings.defaultZone; + } + + var proto = DateTime.now().setZone(zone).set({ + month: 12 + }); + return !zone.isUniversal && proto.offset !== proto.set({ + month: 6 + }).offset; + } + /** + * Return whether the specified zone is a valid IANA specifier. + * @param {string} zone - Zone to check + * @return {boolean} + */ + ; + + Info.isValidIANAZone = function isValidIANAZone(zone) { + return IANAZone.isValidZone(zone); + } + /** + * Converts the input into a {@link Zone} instance. + * + * * If `input` is already a Zone instance, it is returned unchanged. + * * If `input` is a string containing a valid time zone name, a Zone instance + * with that name is returned. + * * If `input` is a string that doesn't refer to a known time zone, a Zone + * instance with {@link Zone#isValid} == false is returned. + * * If `input is a number, a Zone instance with the specified fixed offset + * in minutes is returned. + * * If `input` is `null` or `undefined`, the default zone is returned. + * @param {string|Zone|number} [input] - the value to be converted + * @return {Zone} + */ + ; + + Info.normalizeZone = function normalizeZone$1(input) { + return normalizeZone(input, Settings.defaultZone); + } + /** + * Return an array of standalone month names. + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param {string} [length='long'] - the length of the month representation, such as "numeric", "2-digit", "narrow", "short", "long" + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @param {string} [opts.outputCalendar='gregory'] - the calendar + * @example Info.months()[0] //=> 'January' + * @example Info.months('short')[0] //=> 'Jan' + * @example Info.months('numeric')[0] //=> '1' + * @example Info.months('short', { locale: 'fr-CA' } )[0] //=> 'janv.' + * @example Info.months('numeric', { locale: 'ar' })[0] //=> '١' + * @example Info.months('long', { outputCalendar: 'islamic' })[0] //=> 'Rabiʻ I' + * @return {Array} + */ + ; + + Info.months = function months(length, _temp) { + if (length === void 0) { + length = "long"; + } + + var _ref = _temp === void 0 ? {} : _temp, + _ref$locale = _ref.locale, + locale = _ref$locale === void 0 ? null : _ref$locale, + _ref$numberingSystem = _ref.numberingSystem, + numberingSystem = _ref$numberingSystem === void 0 ? null : _ref$numberingSystem, + _ref$locObj = _ref.locObj, + locObj = _ref$locObj === void 0 ? null : _ref$locObj, + _ref$outputCalendar = _ref.outputCalendar, + outputCalendar = _ref$outputCalendar === void 0 ? "gregory" : _ref$outputCalendar; + + return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length); + } + /** + * Return an array of format month names. + * Format months differ from standalone months in that they're meant to appear next to the day of the month. In some languages, that + * changes the string. + * See {@link Info#months} + * @param {string} [length='long'] - the length of the month representation, such as "numeric", "2-digit", "narrow", "short", "long" + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @param {string} [opts.outputCalendar='gregory'] - the calendar + * @return {Array} + */ + ; + + Info.monthsFormat = function monthsFormat(length, _temp2) { + if (length === void 0) { + length = "long"; + } + + var _ref2 = _temp2 === void 0 ? {} : _temp2, + _ref2$locale = _ref2.locale, + locale = _ref2$locale === void 0 ? null : _ref2$locale, + _ref2$numberingSystem = _ref2.numberingSystem, + numberingSystem = _ref2$numberingSystem === void 0 ? null : _ref2$numberingSystem, + _ref2$locObj = _ref2.locObj, + locObj = _ref2$locObj === void 0 ? null : _ref2$locObj, + _ref2$outputCalendar = _ref2.outputCalendar, + outputCalendar = _ref2$outputCalendar === void 0 ? "gregory" : _ref2$outputCalendar; + + return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length, true); + } + /** + * Return an array of standalone week names. + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param {string} [length='long'] - the length of the weekday representation, such as "narrow", "short", "long". + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @example Info.weekdays()[0] //=> 'Monday' + * @example Info.weekdays('short')[0] //=> 'Mon' + * @example Info.weekdays('short', { locale: 'fr-CA' })[0] //=> 'lun.' + * @example Info.weekdays('short', { locale: 'ar' })[0] //=> 'الاثنين' + * @return {Array} + */ + ; + + Info.weekdays = function weekdays(length, _temp3) { + if (length === void 0) { + length = "long"; + } + + var _ref3 = _temp3 === void 0 ? {} : _temp3, + _ref3$locale = _ref3.locale, + locale = _ref3$locale === void 0 ? null : _ref3$locale, + _ref3$numberingSystem = _ref3.numberingSystem, + numberingSystem = _ref3$numberingSystem === void 0 ? null : _ref3$numberingSystem, + _ref3$locObj = _ref3.locObj, + locObj = _ref3$locObj === void 0 ? null : _ref3$locObj; + + return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length); + } + /** + * Return an array of format week names. + * Format weekdays differ from standalone weekdays in that they're meant to appear next to more date information. In some languages, that + * changes the string. + * See {@link Info#weekdays} + * @param {string} [length='long'] - the length of the month representation, such as "narrow", "short", "long". + * @param {Object} opts - options + * @param {string} [opts.locale=null] - the locale code + * @param {string} [opts.numberingSystem=null] - the numbering system + * @param {string} [opts.locObj=null] - an existing locale object to use + * @return {Array} + */ + ; + + Info.weekdaysFormat = function weekdaysFormat(length, _temp4) { + if (length === void 0) { + length = "long"; + } + + var _ref4 = _temp4 === void 0 ? {} : _temp4, + _ref4$locale = _ref4.locale, + locale = _ref4$locale === void 0 ? null : _ref4$locale, + _ref4$numberingSystem = _ref4.numberingSystem, + numberingSystem = _ref4$numberingSystem === void 0 ? null : _ref4$numberingSystem, + _ref4$locObj = _ref4.locObj, + locObj = _ref4$locObj === void 0 ? null : _ref4$locObj; + + return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length, true); + } + /** + * Return an array of meridiems. + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @example Info.meridiems() //=> [ 'AM', 'PM' ] + * @example Info.meridiems({ locale: 'my' }) //=> [ 'နံနက်', 'ညနေ' ] + * @return {Array} + */ + ; + + Info.meridiems = function meridiems(_temp5) { + var _ref5 = _temp5 === void 0 ? {} : _temp5, + _ref5$locale = _ref5.locale, + locale = _ref5$locale === void 0 ? null : _ref5$locale; + + return Locale.create(locale).meridiems(); + } + /** + * Return an array of eras, such as ['BC', 'AD']. The locale can be specified, but the calendar system is always Gregorian. + * @param {string} [length='short'] - the length of the era representation, such as "short" or "long". + * @param {Object} opts - options + * @param {string} [opts.locale] - the locale code + * @example Info.eras() //=> [ 'BC', 'AD' ] + * @example Info.eras('long') //=> [ 'Before Christ', 'Anno Domini' ] + * @example Info.eras('long', { locale: 'fr' }) //=> [ 'avant Jésus-Christ', 'après Jésus-Christ' ] + * @return {Array} + */ + ; + + Info.eras = function eras(length, _temp6) { + if (length === void 0) { + length = "short"; + } + + var _ref6 = _temp6 === void 0 ? {} : _temp6, + _ref6$locale = _ref6.locale, + locale = _ref6$locale === void 0 ? null : _ref6$locale; + + return Locale.create(locale, null, "gregory").eras(length); + } + /** + * Return the set of available features in this environment. + * Some features of Luxon are not available in all environments. For example, on older browsers, relative time formatting support is not available. Use this function to figure out if that's the case. + * Keys: + * * `relative`: whether this environment supports relative time formatting + * @example Info.features() //=> { relative: false } + * @return {Object} + */ + ; + + Info.features = function features() { + return { + relative: hasRelative() + }; + }; + + return Info; + }(); + + function dayDiff(earlier, later) { + var utcDayStart = function utcDayStart(dt) { + return dt.toUTC(0, { + keepLocalTime: true + }).startOf("day").valueOf(); + }, + ms = utcDayStart(later) - utcDayStart(earlier); + + return Math.floor(Duration.fromMillis(ms).as("days")); + } + + function highOrderDiffs(cursor, later, units) { + var differs = [["years", function (a, b) { + return b.year - a.year; + }], ["quarters", function (a, b) { + return b.quarter - a.quarter; + }], ["months", function (a, b) { + return b.month - a.month + (b.year - a.year) * 12; + }], ["weeks", function (a, b) { + var days = dayDiff(a, b); + return (days - days % 7) / 7; + }], ["days", dayDiff]]; + var results = {}; + var lowestOrder, highWater; + + for (var _i = 0, _differs = differs; _i < _differs.length; _i++) { + var _differs$_i = _differs[_i], + unit = _differs$_i[0], + differ = _differs$_i[1]; + + if (units.indexOf(unit) >= 0) { + var _cursor$plus; + + lowestOrder = unit; + var delta = differ(cursor, later); + highWater = cursor.plus((_cursor$plus = {}, _cursor$plus[unit] = delta, _cursor$plus)); + + if (highWater > later) { + var _cursor$plus2; + + cursor = cursor.plus((_cursor$plus2 = {}, _cursor$plus2[unit] = delta - 1, _cursor$plus2)); + delta -= 1; + } else { + cursor = highWater; + } + + results[unit] = delta; + } + } + + return [cursor, results, highWater, lowestOrder]; + } + + function _diff (earlier, later, units, opts) { + var _highOrderDiffs = highOrderDiffs(earlier, later, units), + cursor = _highOrderDiffs[0], + results = _highOrderDiffs[1], + highWater = _highOrderDiffs[2], + lowestOrder = _highOrderDiffs[3]; + + var remainingMillis = later - cursor; + var lowerOrderUnits = units.filter(function (u) { + return ["hours", "minutes", "seconds", "milliseconds"].indexOf(u) >= 0; + }); + + if (lowerOrderUnits.length === 0) { + if (highWater < later) { + var _cursor$plus3; + + highWater = cursor.plus((_cursor$plus3 = {}, _cursor$plus3[lowestOrder] = 1, _cursor$plus3)); + } + + if (highWater !== cursor) { + results[lowestOrder] = (results[lowestOrder] || 0) + remainingMillis / (highWater - cursor); + } + } + + var duration = Duration.fromObject(results, opts); + + if (lowerOrderUnits.length > 0) { + var _Duration$fromMillis; + + return (_Duration$fromMillis = Duration.fromMillis(remainingMillis, opts)).shiftTo.apply(_Duration$fromMillis, lowerOrderUnits).plus(duration); + } else { + return duration; + } + } + + var numberingSystems = { + arab: "[\u0660-\u0669]", + arabext: "[\u06F0-\u06F9]", + bali: "[\u1B50-\u1B59]", + beng: "[\u09E6-\u09EF]", + deva: "[\u0966-\u096F]", + fullwide: "[\uFF10-\uFF19]", + gujr: "[\u0AE6-\u0AEF]", + hanidec: "[〇|一|二|三|四|五|六|七|八|九]", + khmr: "[\u17E0-\u17E9]", + knda: "[\u0CE6-\u0CEF]", + laoo: "[\u0ED0-\u0ED9]", + limb: "[\u1946-\u194F]", + mlym: "[\u0D66-\u0D6F]", + mong: "[\u1810-\u1819]", + mymr: "[\u1040-\u1049]", + orya: "[\u0B66-\u0B6F]", + tamldec: "[\u0BE6-\u0BEF]", + telu: "[\u0C66-\u0C6F]", + thai: "[\u0E50-\u0E59]", + tibt: "[\u0F20-\u0F29]", + latn: "\\d" + }; + var numberingSystemsUTF16 = { + arab: [1632, 1641], + arabext: [1776, 1785], + bali: [6992, 7001], + beng: [2534, 2543], + deva: [2406, 2415], + fullwide: [65296, 65303], + gujr: [2790, 2799], + khmr: [6112, 6121], + knda: [3302, 3311], + laoo: [3792, 3801], + limb: [6470, 6479], + mlym: [3430, 3439], + mong: [6160, 6169], + mymr: [4160, 4169], + orya: [2918, 2927], + tamldec: [3046, 3055], + telu: [3174, 3183], + thai: [3664, 3673], + tibt: [3872, 3881] + }; + var hanidecChars = numberingSystems.hanidec.replace(/[\[|\]]/g, "").split(""); + function parseDigits(str) { + var value = parseInt(str, 10); + + if (isNaN(value)) { + value = ""; + + for (var i = 0; i < str.length; i++) { + var code = str.charCodeAt(i); + + if (str[i].search(numberingSystems.hanidec) !== -1) { + value += hanidecChars.indexOf(str[i]); + } else { + for (var key in numberingSystemsUTF16) { + var _numberingSystemsUTF = numberingSystemsUTF16[key], + min = _numberingSystemsUTF[0], + max = _numberingSystemsUTF[1]; + + if (code >= min && code <= max) { + value += code - min; + } + } + } + } + + return parseInt(value, 10); + } else { + return value; + } + } + function digitRegex(_ref, append) { + var numberingSystem = _ref.numberingSystem; + + if (append === void 0) { + append = ""; + } + + return new RegExp("" + numberingSystems[numberingSystem || "latn"] + append); + } + + var MISSING_FTP = "missing Intl.DateTimeFormat.formatToParts support"; + + function intUnit(regex, post) { + if (post === void 0) { + post = function post(i) { + return i; + }; + } + + return { + regex: regex, + deser: function deser(_ref) { + var s = _ref[0]; + return post(parseDigits(s)); + } + }; + } + + var NBSP = String.fromCharCode(160); + var spaceOrNBSP = "( |" + NBSP + ")"; + var spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, "g"); + + function fixListRegex(s) { + // make dots optional and also make them literal + // make space and non breakable space characters interchangeable + return s.replace(/\./g, "\\.?").replace(spaceOrNBSPRegExp, spaceOrNBSP); + } + + function stripInsensitivities(s) { + return s.replace(/\./g, "") // ignore dots that were made optional + .replace(spaceOrNBSPRegExp, " ") // interchange space and nbsp + .toLowerCase(); + } + + function oneOf(strings, startIndex) { + if (strings === null) { + return null; + } else { + return { + regex: RegExp(strings.map(fixListRegex).join("|")), + deser: function deser(_ref2) { + var s = _ref2[0]; + return strings.findIndex(function (i) { + return stripInsensitivities(s) === stripInsensitivities(i); + }) + startIndex; + } + }; + } + } + + function offset(regex, groups) { + return { + regex: regex, + deser: function deser(_ref3) { + var h = _ref3[1], + m = _ref3[2]; + return signedOffset(h, m); + }, + groups: groups + }; + } + + function simple(regex) { + return { + regex: regex, + deser: function deser(_ref4) { + var s = _ref4[0]; + return s; + } + }; + } + + function escapeToken(value) { + return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&"); + } + + function unitForToken(token, loc) { + var one = digitRegex(loc), + two = digitRegex(loc, "{2}"), + three = digitRegex(loc, "{3}"), + four = digitRegex(loc, "{4}"), + six = digitRegex(loc, "{6}"), + oneOrTwo = digitRegex(loc, "{1,2}"), + oneToThree = digitRegex(loc, "{1,3}"), + oneToSix = digitRegex(loc, "{1,6}"), + oneToNine = digitRegex(loc, "{1,9}"), + twoToFour = digitRegex(loc, "{2,4}"), + fourToSix = digitRegex(loc, "{4,6}"), + literal = function literal(t) { + return { + regex: RegExp(escapeToken(t.val)), + deser: function deser(_ref5) { + var s = _ref5[0]; + return s; + }, + literal: true + }; + }, + unitate = function unitate(t) { + if (token.literal) { + return literal(t); + } + + switch (t.val) { + // era + case "G": + return oneOf(loc.eras("short", false), 0); + + case "GG": + return oneOf(loc.eras("long", false), 0); + // years + + case "y": + return intUnit(oneToSix); + + case "yy": + return intUnit(twoToFour, untruncateYear); + + case "yyyy": + return intUnit(four); + + case "yyyyy": + return intUnit(fourToSix); + + case "yyyyyy": + return intUnit(six); + // months + + case "M": + return intUnit(oneOrTwo); + + case "MM": + return intUnit(two); + + case "MMM": + return oneOf(loc.months("short", true, false), 1); + + case "MMMM": + return oneOf(loc.months("long", true, false), 1); + + case "L": + return intUnit(oneOrTwo); + + case "LL": + return intUnit(two); + + case "LLL": + return oneOf(loc.months("short", false, false), 1); + + case "LLLL": + return oneOf(loc.months("long", false, false), 1); + // dates + + case "d": + return intUnit(oneOrTwo); + + case "dd": + return intUnit(two); + // ordinals + + case "o": + return intUnit(oneToThree); + + case "ooo": + return intUnit(three); + // time + + case "HH": + return intUnit(two); + + case "H": + return intUnit(oneOrTwo); + + case "hh": + return intUnit(two); + + case "h": + return intUnit(oneOrTwo); + + case "mm": + return intUnit(two); + + case "m": + return intUnit(oneOrTwo); + + case "q": + return intUnit(oneOrTwo); + + case "qq": + return intUnit(two); + + case "s": + return intUnit(oneOrTwo); + + case "ss": + return intUnit(two); + + case "S": + return intUnit(oneToThree); + + case "SSS": + return intUnit(three); + + case "u": + return simple(oneToNine); + + case "uu": + return simple(oneOrTwo); + + case "uuu": + return intUnit(one); + // meridiem + + case "a": + return oneOf(loc.meridiems(), 0); + // weekYear (k) + + case "kkkk": + return intUnit(four); + + case "kk": + return intUnit(twoToFour, untruncateYear); + // weekNumber (W) + + case "W": + return intUnit(oneOrTwo); + + case "WW": + return intUnit(two); + // weekdays + + case "E": + case "c": + return intUnit(one); + + case "EEE": + return oneOf(loc.weekdays("short", false, false), 1); + + case "EEEE": + return oneOf(loc.weekdays("long", false, false), 1); + + case "ccc": + return oneOf(loc.weekdays("short", true, false), 1); + + case "cccc": + return oneOf(loc.weekdays("long", true, false), 1); + // offset/zone + + case "Z": + case "ZZ": + return offset(new RegExp("([+-]" + oneOrTwo.source + ")(?::(" + two.source + "))?"), 2); + + case "ZZZ": + return offset(new RegExp("([+-]" + oneOrTwo.source + ")(" + two.source + ")?"), 2); + // we don't support ZZZZ (PST) or ZZZZZ (Pacific Standard Time) in parsing + // because we don't have any way to figure out what they are + + case "z": + return simple(/[a-z_+-/]{1,256}?/i); + + default: + return literal(t); + } + }; + + var unit = unitate(token) || { + invalidReason: MISSING_FTP + }; + unit.token = token; + return unit; + } + + var partTypeStyleToTokenVal = { + year: { + "2-digit": "yy", + numeric: "yyyyy" + }, + month: { + numeric: "M", + "2-digit": "MM", + short: "MMM", + long: "MMMM" + }, + day: { + numeric: "d", + "2-digit": "dd" + }, + weekday: { + short: "EEE", + long: "EEEE" + }, + dayperiod: "a", + dayPeriod: "a", + hour: { + numeric: "h", + "2-digit": "hh" + }, + minute: { + numeric: "m", + "2-digit": "mm" + }, + second: { + numeric: "s", + "2-digit": "ss" + } + }; + + function tokenForPart(part, locale, formatOpts) { + var type = part.type, + value = part.value; + + if (type === "literal") { + return { + literal: true, + val: value + }; + } + + var style = formatOpts[type]; + var val = partTypeStyleToTokenVal[type]; + + if (typeof val === "object") { + val = val[style]; + } + + if (val) { + return { + literal: false, + val: val + }; + } + + return undefined; + } + + function buildRegex(units) { + var re = units.map(function (u) { + return u.regex; + }).reduce(function (f, r) { + return f + "(" + r.source + ")"; + }, ""); + return ["^" + re + "$", units]; + } + + function match(input, regex, handlers) { + var matches = input.match(regex); + + if (matches) { + var all = {}; + var matchIndex = 1; + + for (var i in handlers) { + if (hasOwnProperty(handlers, i)) { + var h = handlers[i], + groups = h.groups ? h.groups + 1 : 1; + + if (!h.literal && h.token) { + all[h.token.val[0]] = h.deser(matches.slice(matchIndex, matchIndex + groups)); + } + + matchIndex += groups; + } + } + + return [matches, all]; + } else { + return [matches, {}]; + } + } + + function dateTimeFromMatches(matches) { + var toField = function toField(token) { + switch (token) { + case "S": + return "millisecond"; + + case "s": + return "second"; + + case "m": + return "minute"; + + case "h": + case "H": + return "hour"; + + case "d": + return "day"; + + case "o": + return "ordinal"; + + case "L": + case "M": + return "month"; + + case "y": + return "year"; + + case "E": + case "c": + return "weekday"; + + case "W": + return "weekNumber"; + + case "k": + return "weekYear"; + + case "q": + return "quarter"; + + default: + return null; + } + }; + + var zone = null; + var specificOffset; + + if (!isUndefined(matches.z)) { + zone = IANAZone.create(matches.z); + } + + if (!isUndefined(matches.Z)) { + if (!zone) { + zone = new FixedOffsetZone(matches.Z); + } + + specificOffset = matches.Z; + } + + if (!isUndefined(matches.q)) { + matches.M = (matches.q - 1) * 3 + 1; + } + + if (!isUndefined(matches.h)) { + if (matches.h < 12 && matches.a === 1) { + matches.h += 12; + } else if (matches.h === 12 && matches.a === 0) { + matches.h = 0; + } + } + + if (matches.G === 0 && matches.y) { + matches.y = -matches.y; + } + + if (!isUndefined(matches.u)) { + matches.S = parseMillis(matches.u); + } + + var vals = Object.keys(matches).reduce(function (r, k) { + var f = toField(k); + + if (f) { + r[f] = matches[k]; + } + + return r; + }, {}); + return [vals, zone, specificOffset]; + } + + var dummyDateTimeCache = null; + + function getDummyDateTime() { + if (!dummyDateTimeCache) { + dummyDateTimeCache = DateTime.fromMillis(1555555555555); + } + + return dummyDateTimeCache; + } + + function maybeExpandMacroToken(token, locale) { + if (token.literal) { + return token; + } + + var formatOpts = Formatter.macroTokenToFormatOpts(token.val); + + if (!formatOpts) { + return token; + } + + var formatter = Formatter.create(locale, formatOpts); + var parts = formatter.formatDateTimeParts(getDummyDateTime()); + var tokens = parts.map(function (p) { + return tokenForPart(p, locale, formatOpts); + }); + + if (tokens.includes(undefined)) { + return token; + } + + return tokens; + } + + function expandMacroTokens(tokens, locale) { + var _Array$prototype; + + return (_Array$prototype = Array.prototype).concat.apply(_Array$prototype, tokens.map(function (t) { + return maybeExpandMacroToken(t, locale); + })); + } + /** + * @private + */ + + + function explainFromTokens(locale, input, format) { + var tokens = expandMacroTokens(Formatter.parseFormat(format), locale), + units = tokens.map(function (t) { + return unitForToken(t, locale); + }), + disqualifyingUnit = units.find(function (t) { + return t.invalidReason; + }); + + if (disqualifyingUnit) { + return { + input: input, + tokens: tokens, + invalidReason: disqualifyingUnit.invalidReason + }; + } else { + var _buildRegex = buildRegex(units), + regexString = _buildRegex[0], + handlers = _buildRegex[1], + regex = RegExp(regexString, "i"), + _match = match(input, regex, handlers), + rawMatches = _match[0], + matches = _match[1], + _ref6 = matches ? dateTimeFromMatches(matches) : [null, null, undefined], + result = _ref6[0], + zone = _ref6[1], + specificOffset = _ref6[2]; + + if (hasOwnProperty(matches, "a") && hasOwnProperty(matches, "H")) { + throw new ConflictingSpecificationError("Can't include meridiem when specifying 24-hour format"); + } + + return { + input: input, + tokens: tokens, + regex: regex, + rawMatches: rawMatches, + matches: matches, + result: result, + zone: zone, + specificOffset: specificOffset + }; + } + } + function parseFromTokens(locale, input, format) { + var _explainFromTokens = explainFromTokens(locale, input, format), + result = _explainFromTokens.result, + zone = _explainFromTokens.zone, + specificOffset = _explainFromTokens.specificOffset, + invalidReason = _explainFromTokens.invalidReason; + + return [result, zone, specificOffset, invalidReason]; + } + + var nonLeapLadder = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334], + leapLadder = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335]; + + function unitOutOfRange(unit, value) { + return new Invalid("unit out of range", "you specified " + value + " (of type " + typeof value + ") as a " + unit + ", which is invalid"); + } + + function dayOfWeek(year, month, day) { + var js = new Date(Date.UTC(year, month - 1, day)).getUTCDay(); + return js === 0 ? 7 : js; + } + + function computeOrdinal(year, month, day) { + return day + (isLeapYear(year) ? leapLadder : nonLeapLadder)[month - 1]; + } + + function uncomputeOrdinal(year, ordinal) { + var table = isLeapYear(year) ? leapLadder : nonLeapLadder, + month0 = table.findIndex(function (i) { + return i < ordinal; + }), + day = ordinal - table[month0]; + return { + month: month0 + 1, + day: day + }; + } + /** + * @private + */ + + + function gregorianToWeek(gregObj) { + var year = gregObj.year, + month = gregObj.month, + day = gregObj.day, + ordinal = computeOrdinal(year, month, day), + weekday = dayOfWeek(year, month, day); + var weekNumber = Math.floor((ordinal - weekday + 10) / 7), + weekYear; + + if (weekNumber < 1) { + weekYear = year - 1; + weekNumber = weeksInWeekYear(weekYear); + } else if (weekNumber > weeksInWeekYear(year)) { + weekYear = year + 1; + weekNumber = 1; + } else { + weekYear = year; + } + + return _extends({ + weekYear: weekYear, + weekNumber: weekNumber, + weekday: weekday + }, timeObject(gregObj)); + } + function weekToGregorian(weekData) { + var weekYear = weekData.weekYear, + weekNumber = weekData.weekNumber, + weekday = weekData.weekday, + weekdayOfJan4 = dayOfWeek(weekYear, 1, 4), + yearInDays = daysInYear(weekYear); + var ordinal = weekNumber * 7 + weekday - weekdayOfJan4 - 3, + year; + + if (ordinal < 1) { + year = weekYear - 1; + ordinal += daysInYear(year); + } else if (ordinal > yearInDays) { + year = weekYear + 1; + ordinal -= daysInYear(weekYear); + } else { + year = weekYear; + } + + var _uncomputeOrdinal = uncomputeOrdinal(year, ordinal), + month = _uncomputeOrdinal.month, + day = _uncomputeOrdinal.day; + + return _extends({ + year: year, + month: month, + day: day + }, timeObject(weekData)); + } + function gregorianToOrdinal(gregData) { + var year = gregData.year, + month = gregData.month, + day = gregData.day; + var ordinal = computeOrdinal(year, month, day); + return _extends({ + year: year, + ordinal: ordinal + }, timeObject(gregData)); + } + function ordinalToGregorian(ordinalData) { + var year = ordinalData.year, + ordinal = ordinalData.ordinal; + + var _uncomputeOrdinal2 = uncomputeOrdinal(year, ordinal), + month = _uncomputeOrdinal2.month, + day = _uncomputeOrdinal2.day; + + return _extends({ + year: year, + month: month, + day: day + }, timeObject(ordinalData)); + } + function hasInvalidWeekData(obj) { + var validYear = isInteger(obj.weekYear), + validWeek = integerBetween(obj.weekNumber, 1, weeksInWeekYear(obj.weekYear)), + validWeekday = integerBetween(obj.weekday, 1, 7); + + if (!validYear) { + return unitOutOfRange("weekYear", obj.weekYear); + } else if (!validWeek) { + return unitOutOfRange("week", obj.week); + } else if (!validWeekday) { + return unitOutOfRange("weekday", obj.weekday); + } else return false; + } + function hasInvalidOrdinalData(obj) { + var validYear = isInteger(obj.year), + validOrdinal = integerBetween(obj.ordinal, 1, daysInYear(obj.year)); + + if (!validYear) { + return unitOutOfRange("year", obj.year); + } else if (!validOrdinal) { + return unitOutOfRange("ordinal", obj.ordinal); + } else return false; + } + function hasInvalidGregorianData(obj) { + var validYear = isInteger(obj.year), + validMonth = integerBetween(obj.month, 1, 12), + validDay = integerBetween(obj.day, 1, daysInMonth(obj.year, obj.month)); + + if (!validYear) { + return unitOutOfRange("year", obj.year); + } else if (!validMonth) { + return unitOutOfRange("month", obj.month); + } else if (!validDay) { + return unitOutOfRange("day", obj.day); + } else return false; + } + function hasInvalidTimeData(obj) { + var hour = obj.hour, + minute = obj.minute, + second = obj.second, + millisecond = obj.millisecond; + var validHour = integerBetween(hour, 0, 23) || hour === 24 && minute === 0 && second === 0 && millisecond === 0, + validMinute = integerBetween(minute, 0, 59), + validSecond = integerBetween(second, 0, 59), + validMillisecond = integerBetween(millisecond, 0, 999); + + if (!validHour) { + return unitOutOfRange("hour", hour); + } else if (!validMinute) { + return unitOutOfRange("minute", minute); + } else if (!validSecond) { + return unitOutOfRange("second", second); + } else if (!validMillisecond) { + return unitOutOfRange("millisecond", millisecond); + } else return false; + } + + var INVALID = "Invalid DateTime"; + var MAX_DATE = 8.64e15; + + function unsupportedZone(zone) { + return new Invalid("unsupported zone", "the zone \"" + zone.name + "\" is not supported"); + } // we cache week data on the DT object and this intermediates the cache + + + function possiblyCachedWeekData(dt) { + if (dt.weekData === null) { + dt.weekData = gregorianToWeek(dt.c); + } + + return dt.weekData; + } // clone really means, "make a new object with these modifications". all "setters" really use this + // to create a new object while only changing some of the properties + + + function clone(inst, alts) { + var current = { + ts: inst.ts, + zone: inst.zone, + c: inst.c, + o: inst.o, + loc: inst.loc, + invalid: inst.invalid + }; + return new DateTime(_extends({}, current, alts, { + old: current + })); + } // find the right offset a given local time. The o input is our guess, which determines which + // offset we'll pick in ambiguous cases (e.g. there are two 3 AMs b/c Fallback DST) + + + function fixOffset(localTS, o, tz) { + // Our UTC time is just a guess because our offset is just a guess + var utcGuess = localTS - o * 60 * 1000; // Test whether the zone matches the offset for this ts + + var o2 = tz.offset(utcGuess); // If so, offset didn't change and we're done + + if (o === o2) { + return [utcGuess, o]; + } // If not, change the ts by the difference in the offset + + + utcGuess -= (o2 - o) * 60 * 1000; // If that gives us the local time we want, we're done + + var o3 = tz.offset(utcGuess); + + if (o2 === o3) { + return [utcGuess, o2]; + } // If it's different, we're in a hole time. The offset has changed, but the we don't adjust the time + + + return [localTS - Math.min(o2, o3) * 60 * 1000, Math.max(o2, o3)]; + } // convert an epoch timestamp into a calendar object with the given offset + + + function tsToObj(ts, offset) { + ts += offset * 60 * 1000; + var d = new Date(ts); + return { + year: d.getUTCFullYear(), + month: d.getUTCMonth() + 1, + day: d.getUTCDate(), + hour: d.getUTCHours(), + minute: d.getUTCMinutes(), + second: d.getUTCSeconds(), + millisecond: d.getUTCMilliseconds() + }; + } // convert a calendar object to a epoch timestamp + + + function objToTS(obj, offset, zone) { + return fixOffset(objToLocalTS(obj), offset, zone); + } // create a new DT instance by adding a duration, adjusting for DSTs + + + function adjustTime(inst, dur) { + var oPre = inst.o, + year = inst.c.year + Math.trunc(dur.years), + month = inst.c.month + Math.trunc(dur.months) + Math.trunc(dur.quarters) * 3, + c = _extends({}, inst.c, { + year: year, + month: month, + day: Math.min(inst.c.day, daysInMonth(year, month)) + Math.trunc(dur.days) + Math.trunc(dur.weeks) * 7 + }), + millisToAdd = Duration.fromObject({ + years: dur.years - Math.trunc(dur.years), + quarters: dur.quarters - Math.trunc(dur.quarters), + months: dur.months - Math.trunc(dur.months), + weeks: dur.weeks - Math.trunc(dur.weeks), + days: dur.days - Math.trunc(dur.days), + hours: dur.hours, + minutes: dur.minutes, + seconds: dur.seconds, + milliseconds: dur.milliseconds + }).as("milliseconds"), + localTS = objToLocalTS(c); + + var _fixOffset = fixOffset(localTS, oPre, inst.zone), + ts = _fixOffset[0], + o = _fixOffset[1]; + + if (millisToAdd !== 0) { + ts += millisToAdd; // that could have changed the offset by going over a DST, but we want to keep the ts the same + + o = inst.zone.offset(ts); + } + + return { + ts: ts, + o: o + }; + } // helper useful in turning the results of parsing into real dates + // by handling the zone options + + + function parseDataToDateTime(parsed, parsedZone, opts, format, text, specificOffset) { + var setZone = opts.setZone, + zone = opts.zone; + + if (parsed && Object.keys(parsed).length !== 0) { + var interpretationZone = parsedZone || zone, + inst = DateTime.fromObject(parsed, _extends({}, opts, { + zone: interpretationZone, + specificOffset: specificOffset + })); + return setZone ? inst : inst.setZone(zone); + } else { + return DateTime.invalid(new Invalid("unparsable", "the input \"" + text + "\" can't be parsed as " + format)); + } + } // if you want to output a technical format (e.g. RFC 2822), this helper + // helps handle the details + + + function toTechFormat(dt, format, allowZ) { + if (allowZ === void 0) { + allowZ = true; + } + + return dt.isValid ? Formatter.create(Locale.create("en-US"), { + allowZ: allowZ, + forceSimple: true + }).formatDateTimeFromString(dt, format) : null; + } + + function _toISODate(o, extended) { + var longFormat = o.c.year > 9999 || o.c.year < 0; + var c = ""; + if (longFormat && o.c.year >= 0) c += "+"; + c += padStart(o.c.year, longFormat ? 6 : 4); + + if (extended) { + c += "-"; + c += padStart(o.c.month); + c += "-"; + c += padStart(o.c.day); + } else { + c += padStart(o.c.month); + c += padStart(o.c.day); + } + + return c; + } + + function _toISOTime(o, extended, suppressSeconds, suppressMilliseconds, includeOffset) { + var c = padStart(o.c.hour); + + if (extended) { + c += ":"; + c += padStart(o.c.minute); + + if (o.c.second !== 0 || !suppressSeconds) { + c += ":"; + } + } else { + c += padStart(o.c.minute); + } + + if (o.c.second !== 0 || !suppressSeconds) { + c += padStart(o.c.second); + + if (o.c.millisecond !== 0 || !suppressMilliseconds) { + c += "."; + c += padStart(o.c.millisecond, 3); + } + } + + if (includeOffset) { + if (o.isOffsetFixed && o.offset === 0) { + c += "Z"; + } else if (o.o < 0) { + c += "-"; + c += padStart(Math.trunc(-o.o / 60)); + c += ":"; + c += padStart(Math.trunc(-o.o % 60)); + } else { + c += "+"; + c += padStart(Math.trunc(o.o / 60)); + c += ":"; + c += padStart(Math.trunc(o.o % 60)); + } + } + + return c; + } // defaults for unspecified units in the supported calendars + + + var defaultUnitValues = { + month: 1, + day: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 + }, + defaultWeekUnitValues = { + weekNumber: 1, + weekday: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 + }, + defaultOrdinalUnitValues = { + ordinal: 1, + hour: 0, + minute: 0, + second: 0, + millisecond: 0 + }; // Units in the supported calendars, sorted by bigness + + var orderedUnits = ["year", "month", "day", "hour", "minute", "second", "millisecond"], + orderedWeekUnits = ["weekYear", "weekNumber", "weekday", "hour", "minute", "second", "millisecond"], + orderedOrdinalUnits = ["year", "ordinal", "hour", "minute", "second", "millisecond"]; // standardize case and plurality in units + + function normalizeUnit(unit) { + var normalized = { + year: "year", + years: "year", + month: "month", + months: "month", + day: "day", + days: "day", + hour: "hour", + hours: "hour", + minute: "minute", + minutes: "minute", + quarter: "quarter", + quarters: "quarter", + second: "second", + seconds: "second", + millisecond: "millisecond", + milliseconds: "millisecond", + weekday: "weekday", + weekdays: "weekday", + weeknumber: "weekNumber", + weeksnumber: "weekNumber", + weeknumbers: "weekNumber", + weekyear: "weekYear", + weekyears: "weekYear", + ordinal: "ordinal" + }[unit.toLowerCase()]; + if (!normalized) throw new InvalidUnitError(unit); + return normalized; + } // this is a dumbed down version of fromObject() that runs about 60% faster + // but doesn't do any validation, makes a bunch of assumptions about what units + // are present, and so on. + // this is a dumbed down version of fromObject() that runs about 60% faster + // but doesn't do any validation, makes a bunch of assumptions about what units + // are present, and so on. + + + function quickDT(obj, opts) { + var zone = normalizeZone(opts.zone, Settings.defaultZone), + loc = Locale.fromObject(opts), + tsNow = Settings.now(); + var ts, o; // assume we have the higher-order units + + if (!isUndefined(obj.year)) { + for (var _iterator = _createForOfIteratorHelperLoose(orderedUnits), _step; !(_step = _iterator()).done;) { + var u = _step.value; + + if (isUndefined(obj[u])) { + obj[u] = defaultUnitValues[u]; + } + } + + var invalid = hasInvalidGregorianData(obj) || hasInvalidTimeData(obj); + + if (invalid) { + return DateTime.invalid(invalid); + } + + var offsetProvis = zone.offset(tsNow); + + var _objToTS = objToTS(obj, offsetProvis, zone); + + ts = _objToTS[0]; + o = _objToTS[1]; + } else { + ts = tsNow; + } + + return new DateTime({ + ts: ts, + zone: zone, + loc: loc, + o: o + }); + } + + function diffRelative(start, end, opts) { + var round = isUndefined(opts.round) ? true : opts.round, + format = function format(c, unit) { + c = roundTo(c, round || opts.calendary ? 0 : 2, true); + var formatter = end.loc.clone(opts).relFormatter(opts); + return formatter.format(c, unit); + }, + differ = function differ(unit) { + if (opts.calendary) { + if (!end.hasSame(start, unit)) { + return end.startOf(unit).diff(start.startOf(unit), unit).get(unit); + } else return 0; + } else { + return end.diff(start, unit).get(unit); + } + }; + + if (opts.unit) { + return format(differ(opts.unit), opts.unit); + } + + for (var _iterator2 = _createForOfIteratorHelperLoose(opts.units), _step2; !(_step2 = _iterator2()).done;) { + var unit = _step2.value; + var count = differ(unit); + + if (Math.abs(count) >= 1) { + return format(count, unit); + } + } + + return format(start > end ? -0 : 0, opts.units[opts.units.length - 1]); + } + + function lastOpts(argList) { + var opts = {}, + args; + + if (argList.length > 0 && typeof argList[argList.length - 1] === "object") { + opts = argList[argList.length - 1]; + args = Array.from(argList).slice(0, argList.length - 1); + } else { + args = Array.from(argList); + } + + return [opts, args]; + } + /** + * A DateTime is an immutable data structure representing a specific date and time and accompanying methods. It contains class and instance methods for creating, parsing, interrogating, transforming, and formatting them. + * + * A DateTime comprises of: + * * A timestamp. Each DateTime instance refers to a specific millisecond of the Unix epoch. + * * A time zone. Each instance is considered in the context of a specific zone (by default the local system's zone). + * * Configuration properties that effect how output strings are formatted, such as `locale`, `numberingSystem`, and `outputCalendar`. + * + * Here is a brief overview of the most commonly used functionality it provides: + * + * * **Creation**: To create a DateTime from its components, use one of its factory class methods: {@link DateTime#local}, {@link DateTime#utc}, and (most flexibly) {@link DateTime#fromObject}. To create one from a standard string format, use {@link DateTime#fromISO}, {@link DateTime#fromHTTP}, and {@link DateTime#fromRFC2822}. To create one from a custom string format, use {@link DateTime#fromFormat}. To create one from a native JS date, use {@link DateTime#fromJSDate}. + * * **Gregorian calendar and time**: To examine the Gregorian properties of a DateTime individually (i.e as opposed to collectively through {@link DateTime#toObject}), use the {@link DateTime#year}, {@link DateTime#month}, + * {@link DateTime#day}, {@link DateTime#hour}, {@link DateTime#minute}, {@link DateTime#second}, {@link DateTime#millisecond} accessors. + * * **Week calendar**: For ISO week calendar attributes, see the {@link DateTime#weekYear}, {@link DateTime#weekNumber}, and {@link DateTime#weekday} accessors. + * * **Configuration** See the {@link DateTime#locale} and {@link DateTime#numberingSystem} accessors. + * * **Transformation**: To transform the DateTime into other DateTimes, use {@link DateTime#set}, {@link DateTime#reconfigure}, {@link DateTime#setZone}, {@link DateTime#setLocale}, {@link DateTime.plus}, {@link DateTime#minus}, {@link DateTime#endOf}, {@link DateTime#startOf}, {@link DateTime#toUTC}, and {@link DateTime#toLocal}. + * * **Output**: To convert the DateTime to other representations, use the {@link DateTime#toRelative}, {@link DateTime#toRelativeCalendar}, {@link DateTime#toJSON}, {@link DateTime#toISO}, {@link DateTime#toHTTP}, {@link DateTime#toObject}, {@link DateTime#toRFC2822}, {@link DateTime#toString}, {@link DateTime#toLocaleString}, {@link DateTime#toFormat}, {@link DateTime#toMillis} and {@link DateTime#toJSDate}. + * + * There's plenty others documented below. In addition, for more information on subtler topics like internationalization, time zones, alternative calendars, validity, and so on, see the external documentation. + */ + + + var DateTime = /*#__PURE__*/function () { + /** + * @access private + */ + function DateTime(config) { + var zone = config.zone || Settings.defaultZone; + var invalid = config.invalid || (Number.isNaN(config.ts) ? new Invalid("invalid input") : null) || (!zone.isValid ? unsupportedZone(zone) : null); + /** + * @access private + */ + + this.ts = isUndefined(config.ts) ? Settings.now() : config.ts; + var c = null, + o = null; + + if (!invalid) { + var unchanged = config.old && config.old.ts === this.ts && config.old.zone.equals(zone); + + if (unchanged) { + var _ref = [config.old.c, config.old.o]; + c = _ref[0]; + o = _ref[1]; + } else { + var ot = zone.offset(this.ts); + c = tsToObj(this.ts, ot); + invalid = Number.isNaN(c.year) ? new Invalid("invalid input") : null; + c = invalid ? null : c; + o = invalid ? null : ot; + } + } + /** + * @access private + */ + + + this._zone = zone; + /** + * @access private + */ + + this.loc = config.loc || Locale.create(); + /** + * @access private + */ + + this.invalid = invalid; + /** + * @access private + */ + + this.weekData = null; + /** + * @access private + */ + + this.c = c; + /** + * @access private + */ + + this.o = o; + /** + * @access private + */ + + this.isLuxonDateTime = true; + } // CONSTRUCT + + /** + * Create a DateTime for the current instant, in the system's time zone. + * + * Use Settings to override these default values if needed. + * @example DateTime.now().toISO() //~> now in the ISO format + * @return {DateTime} + */ + + + DateTime.now = function now() { + return new DateTime({}); + } + /** + * Create a local DateTime + * @param {number} [year] - The calendar year. If omitted (as in, call `local()` with no arguments), the current time will be used + * @param {number} [month=1] - The month, 1-indexed + * @param {number} [day=1] - The day of the month, 1-indexed + * @param {number} [hour=0] - The hour of the day, in 24-hour time + * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59 + * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59 + * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999 + * @example DateTime.local() //~> now + * @example DateTime.local({ zone: "America/New_York" }) //~> now, in US east coast time + * @example DateTime.local(2017) //~> 2017-01-01T00:00:00 + * @example DateTime.local(2017, 3) //~> 2017-03-01T00:00:00 + * @example DateTime.local(2017, 3, 12, { locale: "fr" }) //~> 2017-03-12T00:00:00, with a French locale + * @example DateTime.local(2017, 3, 12, 5) //~> 2017-03-12T05:00:00 + * @example DateTime.local(2017, 3, 12, 5, { zone: "utc" }) //~> 2017-03-12T05:00:00, in UTC + * @example DateTime.local(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00 + * @example DateTime.local(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10 + * @example DateTime.local(2017, 3, 12, 5, 45, 10, 765) //~> 2017-03-12T05:45:10.765 + * @return {DateTime} + */ + ; + + DateTime.local = function local() { + var _lastOpts = lastOpts(arguments), + opts = _lastOpts[0], + args = _lastOpts[1], + year = args[0], + month = args[1], + day = args[2], + hour = args[3], + minute = args[4], + second = args[5], + millisecond = args[6]; + + return quickDT({ + year: year, + month: month, + day: day, + hour: hour, + minute: minute, + second: second, + millisecond: millisecond + }, opts); + } + /** + * Create a DateTime in UTC + * @param {number} [year] - The calendar year. If omitted (as in, call `utc()` with no arguments), the current time will be used + * @param {number} [month=1] - The month, 1-indexed + * @param {number} [day=1] - The day of the month + * @param {number} [hour=0] - The hour of the day, in 24-hour time + * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59 + * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59 + * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999 + * @param {Object} options - configuration options for the DateTime + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} [options.outputCalendar] - the output calendar to set on the resulting DateTime instance + * @param {string} [options.numberingSystem] - the numbering system to set on the resulting DateTime instance + * @example DateTime.utc() //~> now + * @example DateTime.utc(2017) //~> 2017-01-01T00:00:00Z + * @example DateTime.utc(2017, 3) //~> 2017-03-01T00:00:00Z + * @example DateTime.utc(2017, 3, 12) //~> 2017-03-12T00:00:00Z + * @example DateTime.utc(2017, 3, 12, 5) //~> 2017-03-12T05:00:00Z + * @example DateTime.utc(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00Z + * @example DateTime.utc(2017, 3, 12, 5, 45, { locale: "fr" }) //~> 2017-03-12T05:45:00Z with a French locale + * @example DateTime.utc(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10Z + * @example DateTime.utc(2017, 3, 12, 5, 45, 10, 765, { locale: "fr" }) //~> 2017-03-12T05:45:10.765Z with a French locale + * @return {DateTime} + */ + ; + + DateTime.utc = function utc() { + var _lastOpts2 = lastOpts(arguments), + opts = _lastOpts2[0], + args = _lastOpts2[1], + year = args[0], + month = args[1], + day = args[2], + hour = args[3], + minute = args[4], + second = args[5], + millisecond = args[6]; + + opts.zone = FixedOffsetZone.utcInstance; + return quickDT({ + year: year, + month: month, + day: day, + hour: hour, + minute: minute, + second: second, + millisecond: millisecond + }, opts); + } + /** + * Create a DateTime from a JavaScript Date object. Uses the default zone. + * @param {Date} date - a JavaScript Date object + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @return {DateTime} + */ + ; + + DateTime.fromJSDate = function fromJSDate(date, options) { + if (options === void 0) { + options = {}; + } + + var ts = isDate(date) ? date.valueOf() : NaN; + + if (Number.isNaN(ts)) { + return DateTime.invalid("invalid input"); + } + + var zoneToUse = normalizeZone(options.zone, Settings.defaultZone); + + if (!zoneToUse.isValid) { + return DateTime.invalid(unsupportedZone(zoneToUse)); + } + + return new DateTime({ + ts: ts, + zone: zoneToUse, + loc: Locale.fromObject(options) + }); + } + /** + * Create a DateTime from a number of milliseconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone. + * @param {number} milliseconds - a number of milliseconds since 1970 UTC + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromMillis = function fromMillis(milliseconds, options) { + if (options === void 0) { + options = {}; + } + + if (!isNumber(milliseconds)) { + throw new InvalidArgumentError("fromMillis requires a numerical input, but received a " + typeof milliseconds + " with value " + milliseconds); + } else if (milliseconds < -MAX_DATE || milliseconds > MAX_DATE) { + // this isn't perfect because because we can still end up out of range because of additional shifting, but it's a start + return DateTime.invalid("Timestamp out of range"); + } else { + return new DateTime({ + ts: milliseconds, + zone: normalizeZone(options.zone, Settings.defaultZone), + loc: Locale.fromObject(options) + }); + } + } + /** + * Create a DateTime from a number of seconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone. + * @param {number} seconds - a number of seconds since 1970 UTC + * @param {Object} options - configuration options for the DateTime + * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into + * @param {string} [options.locale] - a locale to set on the resulting DateTime instance + * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromSeconds = function fromSeconds(seconds, options) { + if (options === void 0) { + options = {}; + } + + if (!isNumber(seconds)) { + throw new InvalidArgumentError("fromSeconds requires a numerical input"); + } else { + return new DateTime({ + ts: seconds * 1000, + zone: normalizeZone(options.zone, Settings.defaultZone), + loc: Locale.fromObject(options) + }); + } + } + /** + * Create a DateTime from a JavaScript object with keys like 'year' and 'hour' with reasonable defaults. + * @param {Object} obj - the object to create the DateTime from + * @param {number} obj.year - a year, such as 1987 + * @param {number} obj.month - a month, 1-12 + * @param {number} obj.day - a day of the month, 1-31, depending on the month + * @param {number} obj.ordinal - day of the year, 1-365 or 366 + * @param {number} obj.weekYear - an ISO week year + * @param {number} obj.weekNumber - an ISO week number, between 1 and 52 or 53, depending on the year + * @param {number} obj.weekday - an ISO weekday, 1-7, where 1 is Monday and 7 is Sunday + * @param {number} obj.hour - hour of the day, 0-23 + * @param {number} obj.minute - minute of the hour, 0-59 + * @param {number} obj.second - second of the minute, 0-59 + * @param {number} obj.millisecond - millisecond of the second, 0-999 + * @param {Object} opts - options for creating this DateTime + * @param {string|Zone} [opts.zone='local'] - interpret the numbers in the context of a particular zone. Can take any value taken as the first argument to setZone() + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromObject({ year: 1982, month: 5, day: 25}).toISODate() //=> '1982-05-25' + * @example DateTime.fromObject({ year: 1982 }).toISODate() //=> '1982-01-01' + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }) //~> today at 10:26:06 + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'utc' }), + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'local' }) + * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'America/New_York' }) + * @example DateTime.fromObject({ weekYear: 2016, weekNumber: 2, weekday: 3 }).toISODate() //=> '2016-01-13' + * @return {DateTime} + */ + ; + + DateTime.fromObject = function fromObject(obj, opts) { + if (opts === void 0) { + opts = {}; + } + + obj = obj || {}; + var zoneToUse = normalizeZone(opts.zone, Settings.defaultZone); + + if (!zoneToUse.isValid) { + return DateTime.invalid(unsupportedZone(zoneToUse)); + } + + var tsNow = Settings.now(), + offsetProvis = !isUndefined(opts.specificOffset) ? opts.specificOffset : zoneToUse.offset(tsNow), + normalized = normalizeObject(obj, normalizeUnit), + containsOrdinal = !isUndefined(normalized.ordinal), + containsGregorYear = !isUndefined(normalized.year), + containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day), + containsGregor = containsGregorYear || containsGregorMD, + definiteWeekDef = normalized.weekYear || normalized.weekNumber, + loc = Locale.fromObject(opts); // cases: + // just a weekday -> this week's instance of that weekday, no worries + // (gregorian data or ordinal) + (weekYear or weekNumber) -> error + // (gregorian month or day) + ordinal -> error + // otherwise just use weeks or ordinals or gregorian, depending on what's specified + + if ((containsGregor || containsOrdinal) && definiteWeekDef) { + throw new ConflictingSpecificationError("Can't mix weekYear/weekNumber units with year/month/day or ordinals"); + } + + if (containsGregorMD && containsOrdinal) { + throw new ConflictingSpecificationError("Can't mix ordinal dates with month/day"); + } + + var useWeekData = definiteWeekDef || normalized.weekday && !containsGregor; // configure ourselves to deal with gregorian dates or week stuff + + var units, + defaultValues, + objNow = tsToObj(tsNow, offsetProvis); + + if (useWeekData) { + units = orderedWeekUnits; + defaultValues = defaultWeekUnitValues; + objNow = gregorianToWeek(objNow); + } else if (containsOrdinal) { + units = orderedOrdinalUnits; + defaultValues = defaultOrdinalUnitValues; + objNow = gregorianToOrdinal(objNow); + } else { + units = orderedUnits; + defaultValues = defaultUnitValues; + } // set default values for missing stuff + + + var foundFirst = false; + + for (var _iterator3 = _createForOfIteratorHelperLoose(units), _step3; !(_step3 = _iterator3()).done;) { + var u = _step3.value; + var v = normalized[u]; + + if (!isUndefined(v)) { + foundFirst = true; + } else if (foundFirst) { + normalized[u] = defaultValues[u]; + } else { + normalized[u] = objNow[u]; + } + } // make sure the values we have are in range + + + var higherOrderInvalid = useWeekData ? hasInvalidWeekData(normalized) : containsOrdinal ? hasInvalidOrdinalData(normalized) : hasInvalidGregorianData(normalized), + invalid = higherOrderInvalid || hasInvalidTimeData(normalized); + + if (invalid) { + return DateTime.invalid(invalid); + } // compute the actual time + + + var gregorian = useWeekData ? weekToGregorian(normalized) : containsOrdinal ? ordinalToGregorian(normalized) : normalized, + _objToTS2 = objToTS(gregorian, offsetProvis, zoneToUse), + tsFinal = _objToTS2[0], + offsetFinal = _objToTS2[1], + inst = new DateTime({ + ts: tsFinal, + zone: zoneToUse, + o: offsetFinal, + loc: loc + }); // gregorian data + weekday serves only to validate + + + if (normalized.weekday && containsGregor && obj.weekday !== inst.weekday) { + return DateTime.invalid("mismatched weekday", "you can't specify both a weekday of " + normalized.weekday + " and a date of " + inst.toISO()); + } + + return inst; + } + /** + * Create a DateTime from an ISO 8601 string + * @param {string} text - the ISO string + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the time to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} [opts.outputCalendar] - the output calendar to set on the resulting DateTime instance + * @param {string} [opts.numberingSystem] - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromISO('2016-05-25T09:08:34.123') + * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00') + * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00', {setZone: true}) + * @example DateTime.fromISO('2016-05-25T09:08:34.123', {zone: 'utc'}) + * @example DateTime.fromISO('2016-W05-4') + * @return {DateTime} + */ + ; + + DateTime.fromISO = function fromISO(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseISODate = parseISODate(text), + vals = _parseISODate[0], + parsedZone = _parseISODate[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "ISO 8601", text); + } + /** + * Create a DateTime from an RFC 2822 string + * @param {string} text - the RFC 2822 string + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since the offset is always specified in the string itself, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in. + * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromRFC2822('25 Nov 2016 13:23:12 GMT') + * @example DateTime.fromRFC2822('Fri, 25 Nov 2016 13:23:12 +0600') + * @example DateTime.fromRFC2822('25 Nov 2016 13:23 Z') + * @return {DateTime} + */ + ; + + DateTime.fromRFC2822 = function fromRFC2822(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseRFC2822Date = parseRFC2822Date(text), + vals = _parseRFC2822Date[0], + parsedZone = _parseRFC2822Date[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "RFC 2822", text); + } + /** + * Create a DateTime from an HTTP header date + * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1 + * @param {string} text - the HTTP header date + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since HTTP dates are always in UTC, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in. + * @param {boolean} [opts.setZone=false] - override the zone with the fixed-offset zone specified in the string. For HTTP dates, this is always UTC, so this option is equivalent to setting the `zone` option to 'utc', but this option is included for consistency with similar methods. + * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance + * @example DateTime.fromHTTP('Sun, 06 Nov 1994 08:49:37 GMT') + * @example DateTime.fromHTTP('Sunday, 06-Nov-94 08:49:37 GMT') + * @example DateTime.fromHTTP('Sun Nov 6 08:49:37 1994') + * @return {DateTime} + */ + ; + + DateTime.fromHTTP = function fromHTTP(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseHTTPDate = parseHTTPDate(text), + vals = _parseHTTPDate[0], + parsedZone = _parseHTTPDate[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "HTTP", opts); + } + /** + * Create a DateTime from an input string and format string. + * Defaults to en-US if no locale has been specified, regardless of the system's locale. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/parsing?id=table-of-tokens). + * @param {string} text - the string to parse + * @param {string} fmt - the format the string is expected to be in (see the link below for the formats) + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale + * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @return {DateTime} + */ + ; + + DateTime.fromFormat = function fromFormat(text, fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + if (isUndefined(text) || isUndefined(fmt)) { + throw new InvalidArgumentError("fromFormat requires an input string and a format"); + } + + var _opts = opts, + _opts$locale = _opts.locale, + locale = _opts$locale === void 0 ? null : _opts$locale, + _opts$numberingSystem = _opts.numberingSystem, + numberingSystem = _opts$numberingSystem === void 0 ? null : _opts$numberingSystem, + localeToUse = Locale.fromOpts({ + locale: locale, + numberingSystem: numberingSystem, + defaultToEN: true + }), + _parseFromTokens = parseFromTokens(localeToUse, text, fmt), + vals = _parseFromTokens[0], + parsedZone = _parseFromTokens[1], + specificOffset = _parseFromTokens[2], + invalid = _parseFromTokens[3]; + + if (invalid) { + return DateTime.invalid(invalid); + } else { + return parseDataToDateTime(vals, parsedZone, opts, "format " + fmt, text, specificOffset); + } + } + /** + * @deprecated use fromFormat instead + */ + ; + + DateTime.fromString = function fromString(text, fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + return DateTime.fromFormat(text, fmt, opts); + } + /** + * Create a DateTime from a SQL date, time, or datetime + * Defaults to en-US if no locale has been specified, regardless of the system's locale + * @param {string} text - the string to parse + * @param {Object} opts - options to affect the creation + * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone + * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one + * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale + * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system + * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance + * @example DateTime.fromSQL('2017-05-15') + * @example DateTime.fromSQL('2017-05-15 09:12:34') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342+06:00') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles') + * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles', { setZone: true }) + * @example DateTime.fromSQL('2017-05-15 09:12:34.342', { zone: 'America/Los_Angeles' }) + * @example DateTime.fromSQL('09:12:34.342') + * @return {DateTime} + */ + ; + + DateTime.fromSQL = function fromSQL(text, opts) { + if (opts === void 0) { + opts = {}; + } + + var _parseSQL = parseSQL(text), + vals = _parseSQL[0], + parsedZone = _parseSQL[1]; + + return parseDataToDateTime(vals, parsedZone, opts, "SQL", text); + } + /** + * Create an invalid DateTime. + * @param {string} reason - simple string of why this DateTime is invalid. Should not contain parameters or anything else data-dependent + * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information + * @return {DateTime} + */ + ; + + DateTime.invalid = function invalid(reason, explanation) { + if (explanation === void 0) { + explanation = null; + } + + if (!reason) { + throw new InvalidArgumentError("need to specify a reason the DateTime is invalid"); + } + + var invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation); + + if (Settings.throwOnInvalid) { + throw new InvalidDateTimeError(invalid); + } else { + return new DateTime({ + invalid: invalid + }); + } + } + /** + * Check if an object is a DateTime. Works across context boundaries + * @param {object} o + * @return {boolean} + */ + ; + + DateTime.isDateTime = function isDateTime(o) { + return o && o.isLuxonDateTime || false; + } // INFO + + /** + * Get the value of unit. + * @param {string} unit - a unit such as 'minute' or 'day' + * @example DateTime.local(2017, 7, 4).get('month'); //=> 7 + * @example DateTime.local(2017, 7, 4).get('day'); //=> 4 + * @return {number} + */ + ; + + var _proto = DateTime.prototype; + + _proto.get = function get(unit) { + return this[unit]; + } + /** + * Returns whether the DateTime is valid. Invalid DateTimes occur when: + * * The DateTime was created from invalid calendar information, such as the 13th month or February 30 + * * The DateTime was created by an operation on another invalid date + * @type {boolean} + */ + ; + + /** + * Returns the resolved Intl options for this DateTime. + * This is useful in understanding the behavior of formatting methods + * @param {Object} opts - the same options as toLocaleString + * @return {Object} + */ + _proto.resolvedLocaleOptions = function resolvedLocaleOptions(opts) { + if (opts === void 0) { + opts = {}; + } + + var _Formatter$create$res = Formatter.create(this.loc.clone(opts), opts).resolvedOptions(this), + locale = _Formatter$create$res.locale, + numberingSystem = _Formatter$create$res.numberingSystem, + calendar = _Formatter$create$res.calendar; + + return { + locale: locale, + numberingSystem: numberingSystem, + outputCalendar: calendar + }; + } // TRANSFORM + + /** + * "Set" the DateTime's zone to UTC. Returns a newly-constructed DateTime. + * + * Equivalent to {@link DateTime#setZone}('utc') + * @param {number} [offset=0] - optionally, an offset from UTC in minutes + * @param {Object} [opts={}] - options to pass to `setZone()` + * @return {DateTime} + */ + ; + + _proto.toUTC = function toUTC(offset, opts) { + if (offset === void 0) { + offset = 0; + } + + if (opts === void 0) { + opts = {}; + } + + return this.setZone(FixedOffsetZone.instance(offset), opts); + } + /** + * "Set" the DateTime's zone to the host's local zone. Returns a newly-constructed DateTime. + * + * Equivalent to `setZone('local')` + * @return {DateTime} + */ + ; + + _proto.toLocal = function toLocal() { + return this.setZone(Settings.defaultZone); + } + /** + * "Set" the DateTime's zone to specified zone. Returns a newly-constructed DateTime. + * + * By default, the setter keeps the underlying time the same (as in, the same timestamp), but the new instance will report different local times and consider DSTs when making computations, as with {@link DateTime#plus}. You may wish to use {@link DateTime#toLocal} and {@link DateTime#toUTC} which provide simple convenience wrappers for commonly used zones. + * @param {string|Zone} [zone='local'] - a zone identifier. As a string, that can be any IANA zone supported by the host environment, or a fixed-offset name of the form 'UTC+3', or the strings 'local' or 'utc'. You may also supply an instance of a {@link DateTime#Zone} class. + * @param {Object} opts - options + * @param {boolean} [opts.keepLocalTime=false] - If true, adjust the underlying time so that the local time stays the same, but in the target zone. You should rarely need this. + * @return {DateTime} + */ + ; + + _proto.setZone = function setZone(zone, _temp) { + var _ref2 = _temp === void 0 ? {} : _temp, + _ref2$keepLocalTime = _ref2.keepLocalTime, + keepLocalTime = _ref2$keepLocalTime === void 0 ? false : _ref2$keepLocalTime, + _ref2$keepCalendarTim = _ref2.keepCalendarTime, + keepCalendarTime = _ref2$keepCalendarTim === void 0 ? false : _ref2$keepCalendarTim; + + zone = normalizeZone(zone, Settings.defaultZone); + + if (zone.equals(this.zone)) { + return this; + } else if (!zone.isValid) { + return DateTime.invalid(unsupportedZone(zone)); + } else { + var newTS = this.ts; + + if (keepLocalTime || keepCalendarTime) { + var offsetGuess = zone.offset(this.ts); + var asObj = this.toObject(); + + var _objToTS3 = objToTS(asObj, offsetGuess, zone); + + newTS = _objToTS3[0]; + } + + return clone(this, { + ts: newTS, + zone: zone + }); + } + } + /** + * "Set" the locale, numberingSystem, or outputCalendar. Returns a newly-constructed DateTime. + * @param {Object} properties - the properties to set + * @example DateTime.local(2017, 5, 25).reconfigure({ locale: 'en-GB' }) + * @return {DateTime} + */ + ; + + _proto.reconfigure = function reconfigure(_temp2) { + var _ref3 = _temp2 === void 0 ? {} : _temp2, + locale = _ref3.locale, + numberingSystem = _ref3.numberingSystem, + outputCalendar = _ref3.outputCalendar; + + var loc = this.loc.clone({ + locale: locale, + numberingSystem: numberingSystem, + outputCalendar: outputCalendar + }); + return clone(this, { + loc: loc + }); + } + /** + * "Set" the locale. Returns a newly-constructed DateTime. + * Just a convenient alias for reconfigure({ locale }) + * @example DateTime.local(2017, 5, 25).setLocale('en-GB') + * @return {DateTime} + */ + ; + + _proto.setLocale = function setLocale(locale) { + return this.reconfigure({ + locale: locale + }); + } + /** + * "Set" the values of specified units. Returns a newly-constructed DateTime. + * You can only set units with this method; for "setting" metadata, see {@link DateTime#reconfigure} and {@link DateTime#setZone}. + * @param {Object} values - a mapping of units to numbers + * @example dt.set({ year: 2017 }) + * @example dt.set({ hour: 8, minute: 30 }) + * @example dt.set({ weekday: 5 }) + * @example dt.set({ year: 2005, ordinal: 234 }) + * @return {DateTime} + */ + ; + + _proto.set = function set(values) { + if (!this.isValid) return this; + var normalized = normalizeObject(values, normalizeUnit), + settingWeekStuff = !isUndefined(normalized.weekYear) || !isUndefined(normalized.weekNumber) || !isUndefined(normalized.weekday), + containsOrdinal = !isUndefined(normalized.ordinal), + containsGregorYear = !isUndefined(normalized.year), + containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day), + containsGregor = containsGregorYear || containsGregorMD, + definiteWeekDef = normalized.weekYear || normalized.weekNumber; + + if ((containsGregor || containsOrdinal) && definiteWeekDef) { + throw new ConflictingSpecificationError("Can't mix weekYear/weekNumber units with year/month/day or ordinals"); + } + + if (containsGregorMD && containsOrdinal) { + throw new ConflictingSpecificationError("Can't mix ordinal dates with month/day"); + } + + var mixed; + + if (settingWeekStuff) { + mixed = weekToGregorian(_extends({}, gregorianToWeek(this.c), normalized)); + } else if (!isUndefined(normalized.ordinal)) { + mixed = ordinalToGregorian(_extends({}, gregorianToOrdinal(this.c), normalized)); + } else { + mixed = _extends({}, this.toObject(), normalized); // if we didn't set the day but we ended up on an overflow date, + // use the last day of the right month + + if (isUndefined(normalized.day)) { + mixed.day = Math.min(daysInMonth(mixed.year, mixed.month), mixed.day); + } + } + + var _objToTS4 = objToTS(mixed, this.o, this.zone), + ts = _objToTS4[0], + o = _objToTS4[1]; + + return clone(this, { + ts: ts, + o: o + }); + } + /** + * Add a period of time to this DateTime and return the resulting DateTime + * + * Adding hours, minutes, seconds, or milliseconds increases the timestamp by the right number of milliseconds. Adding days, months, or years shifts the calendar, accounting for DSTs and leap years along the way. Thus, `dt.plus({ hours: 24 })` may result in a different time than `dt.plus({ days: 1 })` if there's a DST shift in between. + * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + * @example DateTime.now().plus(123) //~> in 123 milliseconds + * @example DateTime.now().plus({ minutes: 15 }) //~> in 15 minutes + * @example DateTime.now().plus({ days: 1 }) //~> this time tomorrow + * @example DateTime.now().plus({ days: -1 }) //~> this time yesterday + * @example DateTime.now().plus({ hours: 3, minutes: 13 }) //~> in 3 hr, 13 min + * @example DateTime.now().plus(Duration.fromObject({ hours: 3, minutes: 13 })) //~> in 3 hr, 13 min + * @return {DateTime} + */ + ; + + _proto.plus = function plus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration); + return clone(this, adjustTime(this, dur)); + } + /** + * Subtract a period of time to this DateTime and return the resulting DateTime + * See {@link DateTime#plus} + * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject() + @return {DateTime} + */ + ; + + _proto.minus = function minus(duration) { + if (!this.isValid) return this; + var dur = Duration.fromDurationLike(duration).negate(); + return clone(this, adjustTime(this, dur)); + } + /** + * "Set" this DateTime to the beginning of a unit of time. + * @param {string} unit - The unit to go to the beginning of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'. + * @example DateTime.local(2014, 3, 3).startOf('month').toISODate(); //=> '2014-03-01' + * @example DateTime.local(2014, 3, 3).startOf('year').toISODate(); //=> '2014-01-01' + * @example DateTime.local(2014, 3, 3).startOf('week').toISODate(); //=> '2014-03-03', weeks always start on Mondays + * @example DateTime.local(2014, 3, 3, 5, 30).startOf('day').toISOTime(); //=> '00:00.000-05:00' + * @example DateTime.local(2014, 3, 3, 5, 30).startOf('hour').toISOTime(); //=> '05:00:00.000-05:00' + * @return {DateTime} + */ + ; + + _proto.startOf = function startOf(unit) { + if (!this.isValid) return this; + var o = {}, + normalizedUnit = Duration.normalizeUnit(unit); + + switch (normalizedUnit) { + case "years": + o.month = 1; + // falls through + + case "quarters": + case "months": + o.day = 1; + // falls through + + case "weeks": + case "days": + o.hour = 0; + // falls through + + case "hours": + o.minute = 0; + // falls through + + case "minutes": + o.second = 0; + // falls through + + case "seconds": + o.millisecond = 0; + break; + // no default, invalid units throw in normalizeUnit() + } + + if (normalizedUnit === "weeks") { + o.weekday = 1; + } + + if (normalizedUnit === "quarters") { + var q = Math.ceil(this.month / 3); + o.month = (q - 1) * 3 + 1; + } + + return this.set(o); + } + /** + * "Set" this DateTime to the end (meaning the last millisecond) of a unit of time + * @param {string} unit - The unit to go to the end of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'. + * @example DateTime.local(2014, 3, 3).endOf('month').toISO(); //=> '2014-03-31T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3).endOf('year').toISO(); //=> '2014-12-31T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3).endOf('week').toISO(); // => '2014-03-09T23:59:59.999-05:00', weeks start on Mondays + * @example DateTime.local(2014, 3, 3, 5, 30).endOf('day').toISO(); //=> '2014-03-03T23:59:59.999-05:00' + * @example DateTime.local(2014, 3, 3, 5, 30).endOf('hour').toISO(); //=> '2014-03-03T05:59:59.999-05:00' + * @return {DateTime} + */ + ; + + _proto.endOf = function endOf(unit) { + var _this$plus; + + return this.isValid ? this.plus((_this$plus = {}, _this$plus[unit] = 1, _this$plus)).startOf(unit).minus(1) : this; + } // OUTPUT + + /** + * Returns a string representation of this DateTime formatted according to the specified format string. + * **You may not want this.** See {@link DateTime#toLocaleString} for a more flexible formatting tool. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/formatting?id=table-of-tokens). + * Defaults to en-US if no locale has been specified, regardless of the system's locale. + * @param {string} fmt - the format string + * @param {Object} opts - opts to override the configuration options on this DateTime + * @example DateTime.now().toFormat('yyyy LLL dd') //=> '2017 Apr 22' + * @example DateTime.now().setLocale('fr').toFormat('yyyy LLL dd') //=> '2017 avr. 22' + * @example DateTime.now().toFormat('yyyy LLL dd', { locale: "fr" }) //=> '2017 avr. 22' + * @example DateTime.now().toFormat("HH 'hours and' mm 'minutes'") //=> '20 hours and 55 minutes' + * @return {string} + */ + ; + + _proto.toFormat = function toFormat(fmt, opts) { + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.redefaultToEN(opts)).formatDateTimeFromString(this, fmt) : INVALID; + } + /** + * Returns a localized string representing this date. Accepts the same options as the Intl.DateTimeFormat constructor and any presets defined by Luxon, such as `DateTime.DATE_FULL` or `DateTime.TIME_SIMPLE`. + * The exact behavior of this method is browser-specific, but in general it will return an appropriate representation + * of the DateTime in the assigned locale. + * Defaults to the system's locale if no locale has been specified + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat + * @param formatOpts {Object} - Intl.DateTimeFormat constructor options and configuration options + * @param {Object} opts - opts to override the configuration options on this DateTime + * @example DateTime.now().toLocaleString(); //=> 4/20/2017 + * @example DateTime.now().setLocale('en-gb').toLocaleString(); //=> '20/04/2017' + * @example DateTime.now().toLocaleString({ locale: 'en-gb' }); //=> '20/04/2017' + * @example DateTime.now().toLocaleString(DateTime.DATE_FULL); //=> 'April 20, 2017' + * @example DateTime.now().toLocaleString(DateTime.TIME_SIMPLE); //=> '11:32 AM' + * @example DateTime.now().toLocaleString(DateTime.DATETIME_SHORT); //=> '4/20/2017, 11:32 AM' + * @example DateTime.now().toLocaleString({ weekday: 'long', month: 'long', day: '2-digit' }); //=> 'Thursday, April 20' + * @example DateTime.now().toLocaleString({ weekday: 'short', month: 'short', day: '2-digit', hour: '2-digit', minute: '2-digit' }); //=> 'Thu, Apr 20, 11:27 AM' + * @example DateTime.now().toLocaleString({ hour: '2-digit', minute: '2-digit', hourCycle: 'h23' }); //=> '11:32' + * @return {string} + */ + ; + + _proto.toLocaleString = function toLocaleString(formatOpts, opts) { + if (formatOpts === void 0) { + formatOpts = DATE_SHORT; + } + + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.clone(opts), formatOpts).formatDateTime(this) : INVALID; + } + /** + * Returns an array of format "parts", meaning individual tokens along with metadata. This is allows callers to post-process individual sections of the formatted output. + * Defaults to the system's locale if no locale has been specified + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat/formatToParts + * @param opts {Object} - Intl.DateTimeFormat constructor options, same as `toLocaleString`. + * @example DateTime.now().toLocaleParts(); //=> [ + * //=> { type: 'day', value: '25' }, + * //=> { type: 'literal', value: '/' }, + * //=> { type: 'month', value: '05' }, + * //=> { type: 'literal', value: '/' }, + * //=> { type: 'year', value: '1982' } + * //=> ] + */ + ; + + _proto.toLocaleParts = function toLocaleParts(opts) { + if (opts === void 0) { + opts = {}; + } + + return this.isValid ? Formatter.create(this.loc.clone(opts), opts).formatDateTimeParts(this) : []; + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc(1983, 5, 25).toISO() //=> '1982-05-25T00:00:00.000Z' + * @example DateTime.now().toISO() //=> '2017-04-22T20:47:05.335-04:00' + * @example DateTime.now().toISO({ includeOffset: false }) //=> '2017-04-22T20:47:05.335' + * @example DateTime.now().toISO({ format: 'basic' }) //=> '20170422T204705.335-0400' + * @return {string} + */ + ; + + _proto.toISO = function toISO(_temp3) { + var _ref4 = _temp3 === void 0 ? {} : _temp3, + _ref4$format = _ref4.format, + format = _ref4$format === void 0 ? "extended" : _ref4$format, + _ref4$suppressSeconds = _ref4.suppressSeconds, + suppressSeconds = _ref4$suppressSeconds === void 0 ? false : _ref4$suppressSeconds, + _ref4$suppressMillise = _ref4.suppressMilliseconds, + suppressMilliseconds = _ref4$suppressMillise === void 0 ? false : _ref4$suppressMillise, + _ref4$includeOffset = _ref4.includeOffset, + includeOffset = _ref4$includeOffset === void 0 ? true : _ref4$includeOffset; + + if (!this.isValid) { + return null; + } + + var ext = format === "extended"; + + var c = _toISODate(this, ext); + + c += "T"; + c += _toISOTime(this, ext, suppressSeconds, suppressMilliseconds, includeOffset); + return c; + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's date component + * @param {Object} opts - options + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc(1982, 5, 25).toISODate() //=> '1982-05-25' + * @example DateTime.utc(1982, 5, 25).toISODate({ format: 'basic' }) //=> '19820525' + * @return {string} + */ + ; + + _proto.toISODate = function toISODate(_temp4) { + var _ref5 = _temp4 === void 0 ? {} : _temp4, + _ref5$format = _ref5.format, + format = _ref5$format === void 0 ? "extended" : _ref5$format; + + if (!this.isValid) { + return null; + } + + return _toISODate(this, format === "extended"); + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's week date + * @example DateTime.utc(1982, 5, 25).toISOWeekDate() //=> '1982-W21-2' + * @return {string} + */ + ; + + _proto.toISOWeekDate = function toISOWeekDate() { + return toTechFormat(this, "kkkk-'W'WW-c"); + } + /** + * Returns an ISO 8601-compliant string representation of this DateTime's time component + * @param {Object} opts - options + * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0 + * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0 + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includePrefix=false] - include the `T` prefix + * @param {string} [opts.format='extended'] - choose between the basic and extended format + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime() //=> '07:34:19.361Z' + * @example DateTime.utc().set({ hour: 7, minute: 34, seconds: 0, milliseconds: 0 }).toISOTime({ suppressSeconds: true }) //=> '07:34Z' + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ format: 'basic' }) //=> '073419.361Z' + * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ includePrefix: true }) //=> 'T07:34:19.361Z' + * @return {string} + */ + ; + + _proto.toISOTime = function toISOTime(_temp5) { + var _ref6 = _temp5 === void 0 ? {} : _temp5, + _ref6$suppressMillise = _ref6.suppressMilliseconds, + suppressMilliseconds = _ref6$suppressMillise === void 0 ? false : _ref6$suppressMillise, + _ref6$suppressSeconds = _ref6.suppressSeconds, + suppressSeconds = _ref6$suppressSeconds === void 0 ? false : _ref6$suppressSeconds, + _ref6$includeOffset = _ref6.includeOffset, + includeOffset = _ref6$includeOffset === void 0 ? true : _ref6$includeOffset, + _ref6$includePrefix = _ref6.includePrefix, + includePrefix = _ref6$includePrefix === void 0 ? false : _ref6$includePrefix, + _ref6$format = _ref6.format, + format = _ref6$format === void 0 ? "extended" : _ref6$format; + + if (!this.isValid) { + return null; + } + + var c = includePrefix ? "T" : ""; + return c + _toISOTime(this, format === "extended", suppressSeconds, suppressMilliseconds, includeOffset); + } + /** + * Returns an RFC 2822-compatible string representation of this DateTime + * @example DateTime.utc(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 +0000' + * @example DateTime.local(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 -0400' + * @return {string} + */ + ; + + _proto.toRFC2822 = function toRFC2822() { + return toTechFormat(this, "EEE, dd LLL yyyy HH:mm:ss ZZZ", false); + } + /** + * Returns a string representation of this DateTime appropriate for use in HTTP headers. The output is always expressed in GMT. + * Specifically, the string conforms to RFC 1123. + * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1 + * @example DateTime.utc(2014, 7, 13).toHTTP() //=> 'Sun, 13 Jul 2014 00:00:00 GMT' + * @example DateTime.utc(2014, 7, 13, 19).toHTTP() //=> 'Sun, 13 Jul 2014 19:00:00 GMT' + * @return {string} + */ + ; + + _proto.toHTTP = function toHTTP() { + return toTechFormat(this.toUTC(), "EEE, dd LLL yyyy HH:mm:ss 'GMT'"); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL Date + * @example DateTime.utc(2014, 7, 13).toSQLDate() //=> '2014-07-13' + * @return {string} + */ + ; + + _proto.toSQLDate = function toSQLDate() { + if (!this.isValid) { + return null; + } + + return _toISODate(this, true); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL Time + * @param {Object} opts - options + * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset. + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00' + * @example DateTime.utc().toSQL() //=> '05:15:16.345' + * @example DateTime.now().toSQL() //=> '05:15:16.345 -04:00' + * @example DateTime.now().toSQL({ includeOffset: false }) //=> '05:15:16.345' + * @example DateTime.now().toSQL({ includeZone: false }) //=> '05:15:16.345 America/New_York' + * @return {string} + */ + ; + + _proto.toSQLTime = function toSQLTime(_temp6) { + var _ref7 = _temp6 === void 0 ? {} : _temp6, + _ref7$includeOffset = _ref7.includeOffset, + includeOffset = _ref7$includeOffset === void 0 ? true : _ref7$includeOffset, + _ref7$includeZone = _ref7.includeZone, + includeZone = _ref7$includeZone === void 0 ? false : _ref7$includeZone, + _ref7$includeOffsetSp = _ref7.includeOffsetSpace, + includeOffsetSpace = _ref7$includeOffsetSp === void 0 ? true : _ref7$includeOffsetSp; + + var fmt = "HH:mm:ss.SSS"; + + if (includeZone || includeOffset) { + if (includeOffsetSpace) { + fmt += " "; + } + + if (includeZone) { + fmt += "z"; + } else if (includeOffset) { + fmt += "ZZ"; + } + } + + return toTechFormat(this, fmt, true); + } + /** + * Returns a string representation of this DateTime appropriate for use in SQL DateTime + * @param {Object} opts - options + * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset. + * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00' + * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00' + * @example DateTime.utc(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 Z' + * @example DateTime.local(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 -04:00' + * @example DateTime.local(2014, 7, 13).toSQL({ includeOffset: false }) //=> '2014-07-13 00:00:00.000' + * @example DateTime.local(2014, 7, 13).toSQL({ includeZone: true }) //=> '2014-07-13 00:00:00.000 America/New_York' + * @return {string} + */ + ; + + _proto.toSQL = function toSQL(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) { + return null; + } + + return this.toSQLDate() + " " + this.toSQLTime(opts); + } + /** + * Returns a string representation of this DateTime appropriate for debugging + * @return {string} + */ + ; + + _proto.toString = function toString() { + return this.isValid ? this.toISO() : INVALID; + } + /** + * Returns the epoch milliseconds of this DateTime. Alias of {@link DateTime#toMillis} + * @return {number} + */ + ; + + _proto.valueOf = function valueOf() { + return this.toMillis(); + } + /** + * Returns the epoch milliseconds of this DateTime. + * @return {number} + */ + ; + + _proto.toMillis = function toMillis() { + return this.isValid ? this.ts : NaN; + } + /** + * Returns the epoch seconds of this DateTime. + * @return {number} + */ + ; + + _proto.toSeconds = function toSeconds() { + return this.isValid ? this.ts / 1000 : NaN; + } + /** + * Returns the epoch seconds (as a whole number) of this DateTime. + * @return {number} + */ + ; + + _proto.toUnixInteger = function toUnixInteger() { + return this.isValid ? Math.floor(this.ts / 1000) : NaN; + } + /** + * Returns an ISO 8601 representation of this DateTime appropriate for use in JSON. + * @return {string} + */ + ; + + _proto.toJSON = function toJSON() { + return this.toISO(); + } + /** + * Returns a BSON serializable equivalent to this DateTime. + * @return {Date} + */ + ; + + _proto.toBSON = function toBSON() { + return this.toJSDate(); + } + /** + * Returns a JavaScript object with this DateTime's year, month, day, and so on. + * @param opts - options for generating the object + * @param {boolean} [opts.includeConfig=false] - include configuration attributes in the output + * @example DateTime.now().toObject() //=> { year: 2017, month: 4, day: 22, hour: 20, minute: 49, second: 42, millisecond: 268 } + * @return {Object} + */ + ; + + _proto.toObject = function toObject(opts) { + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid) return {}; + + var base = _extends({}, this.c); + + if (opts.includeConfig) { + base.outputCalendar = this.outputCalendar; + base.numberingSystem = this.loc.numberingSystem; + base.locale = this.loc.locale; + } + + return base; + } + /** + * Returns a JavaScript Date equivalent to this DateTime. + * @return {Date} + */ + ; + + _proto.toJSDate = function toJSDate() { + return new Date(this.isValid ? this.ts : NaN); + } // COMPARE + + /** + * Return the difference between two DateTimes as a Duration. + * @param {DateTime} otherDateTime - the DateTime to compare this one to + * @param {string|string[]} [unit=['milliseconds']] - the unit or array of units (such as 'hours' or 'days') to include in the duration. + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @example + * var i1 = DateTime.fromISO('1982-05-25T09:45'), + * i2 = DateTime.fromISO('1983-10-14T10:30'); + * i2.diff(i1).toObject() //=> { milliseconds: 43807500000 } + * i2.diff(i1, 'hours').toObject() //=> { hours: 12168.75 } + * i2.diff(i1, ['months', 'days']).toObject() //=> { months: 16, days: 19.03125 } + * i2.diff(i1, ['months', 'days', 'hours']).toObject() //=> { months: 16, days: 19, hours: 0.75 } + * @return {Duration} + */ + ; + + _proto.diff = function diff(otherDateTime, unit, opts) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (opts === void 0) { + opts = {}; + } + + if (!this.isValid || !otherDateTime.isValid) { + return Duration.invalid("created by diffing an invalid DateTime"); + } + + var durOpts = _extends({ + locale: this.locale, + numberingSystem: this.numberingSystem + }, opts); + + var units = maybeArray(unit).map(Duration.normalizeUnit), + otherIsLater = otherDateTime.valueOf() > this.valueOf(), + earlier = otherIsLater ? this : otherDateTime, + later = otherIsLater ? otherDateTime : this, + diffed = _diff(earlier, later, units, durOpts); + + return otherIsLater ? diffed.negate() : diffed; + } + /** + * Return the difference between this DateTime and right now. + * See {@link DateTime#diff} + * @param {string|string[]} [unit=['milliseconds']] - the unit or units units (such as 'hours' or 'days') to include in the duration + * @param {Object} opts - options that affect the creation of the Duration + * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use + * @return {Duration} + */ + ; + + _proto.diffNow = function diffNow(unit, opts) { + if (unit === void 0) { + unit = "milliseconds"; + } + + if (opts === void 0) { + opts = {}; + } + + return this.diff(DateTime.now(), unit, opts); + } + /** + * Return an Interval spanning between this DateTime and another DateTime + * @param {DateTime} otherDateTime - the other end point of the Interval + * @return {Interval} + */ + ; + + _proto.until = function until(otherDateTime) { + return this.isValid ? Interval.fromDateTimes(this, otherDateTime) : this; + } + /** + * Return whether this DateTime is in the same unit of time as another DateTime. + * Higher-order units must also be identical for this function to return `true`. + * Note that time zones are **ignored** in this comparison, which compares the **local** calendar time. Use {@link DateTime#setZone} to convert one of the dates if needed. + * @param {DateTime} otherDateTime - the other DateTime + * @param {string} unit - the unit of time to check sameness on + * @example DateTime.now().hasSame(otherDT, 'day'); //~> true if otherDT is in the same current calendar day + * @return {boolean} + */ + ; + + _proto.hasSame = function hasSame(otherDateTime, unit) { + if (!this.isValid) return false; + var inputMs = otherDateTime.valueOf(); + var adjustedToZone = this.setZone(otherDateTime.zone, { + keepLocalTime: true + }); + return adjustedToZone.startOf(unit) <= inputMs && inputMs <= adjustedToZone.endOf(unit); + } + /** + * Equality check + * Two DateTimes are equal iff they represent the same millisecond, have the same zone and location, and are both valid. + * To compare just the millisecond values, use `+dt1 === +dt2`. + * @param {DateTime} other - the other DateTime + * @return {boolean} + */ + ; + + _proto.equals = function equals(other) { + return this.isValid && other.isValid && this.valueOf() === other.valueOf() && this.zone.equals(other.zone) && this.loc.equals(other.loc); + } + /** + * Returns a string representation of a this time relative to now, such as "in two days". Can only internationalize if your + * platform supports Intl.RelativeTimeFormat. Rounds down by default. + * @param {Object} options - options that affect the output + * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now. + * @param {string} [options.style="long"] - the style of units, must be "long", "short", or "narrow" + * @param {string|string[]} options.unit - use a specific unit or array of units; if omitted, or an array, the method will pick the best unit. Use an array or one of "years", "quarters", "months", "weeks", "days", "hours", "minutes", or "seconds" + * @param {boolean} [options.round=true] - whether to round the numbers in the output. + * @param {number} [options.padding=0] - padding in milliseconds. This allows you to round up the result if it fits inside the threshold. Don't use in combination with {round: false} because the decimal output will include the padding. + * @param {string} options.locale - override the locale of this DateTime + * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this + * @example DateTime.now().plus({ days: 1 }).toRelative() //=> "in 1 day" + * @example DateTime.now().setLocale("es").toRelative({ days: 1 }) //=> "dentro de 1 día" + * @example DateTime.now().plus({ days: 1 }).toRelative({ locale: "fr" }) //=> "dans 23 heures" + * @example DateTime.now().minus({ days: 2 }).toRelative() //=> "2 days ago" + * @example DateTime.now().minus({ days: 2 }).toRelative({ unit: "hours" }) //=> "48 hours ago" + * @example DateTime.now().minus({ hours: 36 }).toRelative({ round: false }) //=> "1.5 days ago" + */ + ; + + _proto.toRelative = function toRelative(options) { + if (options === void 0) { + options = {}; + } + + if (!this.isValid) return null; + var base = options.base || DateTime.fromObject({}, { + zone: this.zone + }), + padding = options.padding ? this < base ? -options.padding : options.padding : 0; + var units = ["years", "months", "days", "hours", "minutes", "seconds"]; + var unit = options.unit; + + if (Array.isArray(options.unit)) { + units = options.unit; + unit = undefined; + } + + return diffRelative(base, this.plus(padding), _extends({}, options, { + numeric: "always", + units: units, + unit: unit + })); + } + /** + * Returns a string representation of this date relative to today, such as "yesterday" or "next month". + * Only internationalizes on platforms that supports Intl.RelativeTimeFormat. + * @param {Object} options - options that affect the output + * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now. + * @param {string} options.locale - override the locale of this DateTime + * @param {string} options.unit - use a specific unit; if omitted, the method will pick the unit. Use one of "years", "quarters", "months", "weeks", or "days" + * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this + * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar() //=> "tomorrow" + * @example DateTime.now().setLocale("es").plus({ days: 1 }).toRelative() //=> ""mañana" + * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar({ locale: "fr" }) //=> "demain" + * @example DateTime.now().minus({ days: 2 }).toRelativeCalendar() //=> "2 days ago" + */ + ; + + _proto.toRelativeCalendar = function toRelativeCalendar(options) { + if (options === void 0) { + options = {}; + } + + if (!this.isValid) return null; + return diffRelative(options.base || DateTime.fromObject({}, { + zone: this.zone + }), this, _extends({}, options, { + numeric: "auto", + units: ["years", "months", "days"], + calendary: true + })); + } + /** + * Return the min of several date times + * @param {...DateTime} dateTimes - the DateTimes from which to choose the minimum + * @return {DateTime} the min DateTime, or undefined if called with no argument + */ + ; + + DateTime.min = function min() { + for (var _len = arguments.length, dateTimes = new Array(_len), _key = 0; _key < _len; _key++) { + dateTimes[_key] = arguments[_key]; + } + + if (!dateTimes.every(DateTime.isDateTime)) { + throw new InvalidArgumentError("min requires all arguments be DateTimes"); + } + + return bestBy(dateTimes, function (i) { + return i.valueOf(); + }, Math.min); + } + /** + * Return the max of several date times + * @param {...DateTime} dateTimes - the DateTimes from which to choose the maximum + * @return {DateTime} the max DateTime, or undefined if called with no argument + */ + ; + + DateTime.max = function max() { + for (var _len2 = arguments.length, dateTimes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + dateTimes[_key2] = arguments[_key2]; + } + + if (!dateTimes.every(DateTime.isDateTime)) { + throw new InvalidArgumentError("max requires all arguments be DateTimes"); + } + + return bestBy(dateTimes, function (i) { + return i.valueOf(); + }, Math.max); + } // MISC + + /** + * Explain how a string would be parsed by fromFormat() + * @param {string} text - the string to parse + * @param {string} fmt - the format the string is expected to be in (see description) + * @param {Object} options - options taken by fromFormat() + * @return {Object} + */ + ; + + DateTime.fromFormatExplain = function fromFormatExplain(text, fmt, options) { + if (options === void 0) { + options = {}; + } + + var _options = options, + _options$locale = _options.locale, + locale = _options$locale === void 0 ? null : _options$locale, + _options$numberingSys = _options.numberingSystem, + numberingSystem = _options$numberingSys === void 0 ? null : _options$numberingSys, + localeToUse = Locale.fromOpts({ + locale: locale, + numberingSystem: numberingSystem, + defaultToEN: true + }); + return explainFromTokens(localeToUse, text, fmt); + } + /** + * @deprecated use fromFormatExplain instead + */ + ; + + DateTime.fromStringExplain = function fromStringExplain(text, fmt, options) { + if (options === void 0) { + options = {}; + } + + return DateTime.fromFormatExplain(text, fmt, options); + } // FORMAT PRESETS + + /** + * {@link DateTime#toLocaleString} format like 10/14/1983 + * @type {Object} + */ + ; + + _createClass(DateTime, [{ + key: "isValid", + get: function get() { + return this.invalid === null; + } + /** + * Returns an error code if this DateTime is invalid, or null if the DateTime is valid + * @type {string} + */ + + }, { + key: "invalidReason", + get: function get() { + return this.invalid ? this.invalid.reason : null; + } + /** + * Returns an explanation of why this DateTime became invalid, or null if the DateTime is valid + * @type {string} + */ + + }, { + key: "invalidExplanation", + get: function get() { + return this.invalid ? this.invalid.explanation : null; + } + /** + * Get the locale of a DateTime, such 'en-GB'. The locale is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "locale", + get: function get() { + return this.isValid ? this.loc.locale : null; + } + /** + * Get the numbering system of a DateTime, such 'beng'. The numbering system is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "numberingSystem", + get: function get() { + return this.isValid ? this.loc.numberingSystem : null; + } + /** + * Get the output calendar of a DateTime, such 'islamic'. The output calendar is used when formatting the DateTime + * + * @type {string} + */ + + }, { + key: "outputCalendar", + get: function get() { + return this.isValid ? this.loc.outputCalendar : null; + } + /** + * Get the time zone associated with this DateTime. + * @type {Zone} + */ + + }, { + key: "zone", + get: function get() { + return this._zone; + } + /** + * Get the name of the time zone. + * @type {string} + */ + + }, { + key: "zoneName", + get: function get() { + return this.isValid ? this.zone.name : null; + } + /** + * Get the year + * @example DateTime.local(2017, 5, 25).year //=> 2017 + * @type {number} + */ + + }, { + key: "year", + get: function get() { + return this.isValid ? this.c.year : NaN; + } + /** + * Get the quarter + * @example DateTime.local(2017, 5, 25).quarter //=> 2 + * @type {number} + */ + + }, { + key: "quarter", + get: function get() { + return this.isValid ? Math.ceil(this.c.month / 3) : NaN; + } + /** + * Get the month (1-12). + * @example DateTime.local(2017, 5, 25).month //=> 5 + * @type {number} + */ + + }, { + key: "month", + get: function get() { + return this.isValid ? this.c.month : NaN; + } + /** + * Get the day of the month (1-30ish). + * @example DateTime.local(2017, 5, 25).day //=> 25 + * @type {number} + */ + + }, { + key: "day", + get: function get() { + return this.isValid ? this.c.day : NaN; + } + /** + * Get the hour of the day (0-23). + * @example DateTime.local(2017, 5, 25, 9).hour //=> 9 + * @type {number} + */ + + }, { + key: "hour", + get: function get() { + return this.isValid ? this.c.hour : NaN; + } + /** + * Get the minute of the hour (0-59). + * @example DateTime.local(2017, 5, 25, 9, 30).minute //=> 30 + * @type {number} + */ + + }, { + key: "minute", + get: function get() { + return this.isValid ? this.c.minute : NaN; + } + /** + * Get the second of the minute (0-59). + * @example DateTime.local(2017, 5, 25, 9, 30, 52).second //=> 52 + * @type {number} + */ + + }, { + key: "second", + get: function get() { + return this.isValid ? this.c.second : NaN; + } + /** + * Get the millisecond of the second (0-999). + * @example DateTime.local(2017, 5, 25, 9, 30, 52, 654).millisecond //=> 654 + * @type {number} + */ + + }, { + key: "millisecond", + get: function get() { + return this.isValid ? this.c.millisecond : NaN; + } + /** + * Get the week year + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2014, 12, 31).weekYear //=> 2015 + * @type {number} + */ + + }, { + key: "weekYear", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekYear : NaN; + } + /** + * Get the week number of the week year (1-52ish). + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2017, 5, 25).weekNumber //=> 21 + * @type {number} + */ + + }, { + key: "weekNumber", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekNumber : NaN; + } + /** + * Get the day of the week. + * 1 is Monday and 7 is Sunday + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2014, 11, 31).weekday //=> 4 + * @type {number} + */ + + }, { + key: "weekday", + get: function get() { + return this.isValid ? possiblyCachedWeekData(this).weekday : NaN; + } + /** + * Get the ordinal (meaning the day of the year) + * @example DateTime.local(2017, 5, 25).ordinal //=> 145 + * @type {number|DateTime} + */ + + }, { + key: "ordinal", + get: function get() { + return this.isValid ? gregorianToOrdinal(this.c).ordinal : NaN; + } + /** + * Get the human readable short month name, such as 'Oct'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).monthShort //=> Oct + * @type {string} + */ + + }, { + key: "monthShort", + get: function get() { + return this.isValid ? Info.months("short", { + locObj: this.loc + })[this.month - 1] : null; + } + /** + * Get the human readable long month name, such as 'October'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).monthLong //=> October + * @type {string} + */ + + }, { + key: "monthLong", + get: function get() { + return this.isValid ? Info.months("long", { + locObj: this.loc + })[this.month - 1] : null; + } + /** + * Get the human readable short weekday, such as 'Mon'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).weekdayShort //=> Mon + * @type {string} + */ + + }, { + key: "weekdayShort", + get: function get() { + return this.isValid ? Info.weekdays("short", { + locObj: this.loc + })[this.weekday - 1] : null; + } + /** + * Get the human readable long weekday, such as 'Monday'. + * Defaults to the system's locale if no locale has been specified + * @example DateTime.local(2017, 10, 30).weekdayLong //=> Monday + * @type {string} + */ + + }, { + key: "weekdayLong", + get: function get() { + return this.isValid ? Info.weekdays("long", { + locObj: this.loc + })[this.weekday - 1] : null; + } + /** + * Get the UTC offset of this DateTime in minutes + * @example DateTime.now().offset //=> -240 + * @example DateTime.utc().offset //=> 0 + * @type {number} + */ + + }, { + key: "offset", + get: function get() { + return this.isValid ? +this.o : NaN; + } + /** + * Get the short human name for the zone's current offset, for example "EST" or "EDT". + * Defaults to the system's locale if no locale has been specified + * @type {string} + */ + + }, { + key: "offsetNameShort", + get: function get() { + if (this.isValid) { + return this.zone.offsetName(this.ts, { + format: "short", + locale: this.locale + }); + } else { + return null; + } + } + /** + * Get the long human name for the zone's current offset, for example "Eastern Standard Time" or "Eastern Daylight Time". + * Defaults to the system's locale if no locale has been specified + * @type {string} + */ + + }, { + key: "offsetNameLong", + get: function get() { + if (this.isValid) { + return this.zone.offsetName(this.ts, { + format: "long", + locale: this.locale + }); + } else { + return null; + } + } + /** + * Get whether this zone's offset ever changes, as in a DST. + * @type {boolean} + */ + + }, { + key: "isOffsetFixed", + get: function get() { + return this.isValid ? this.zone.isUniversal : null; + } + /** + * Get whether the DateTime is in a DST. + * @type {boolean} + */ + + }, { + key: "isInDST", + get: function get() { + if (this.isOffsetFixed) { + return false; + } else { + return this.offset > this.set({ + month: 1 + }).offset || this.offset > this.set({ + month: 5 + }).offset; + } + } + /** + * Returns true if this DateTime is in a leap year, false otherwise + * @example DateTime.local(2016).isInLeapYear //=> true + * @example DateTime.local(2013).isInLeapYear //=> false + * @type {boolean} + */ + + }, { + key: "isInLeapYear", + get: function get() { + return isLeapYear(this.year); + } + /** + * Returns the number of days in this DateTime's month + * @example DateTime.local(2016, 2).daysInMonth //=> 29 + * @example DateTime.local(2016, 3).daysInMonth //=> 31 + * @type {number} + */ + + }, { + key: "daysInMonth", + get: function get() { + return daysInMonth(this.year, this.month); + } + /** + * Returns the number of days in this DateTime's year + * @example DateTime.local(2016).daysInYear //=> 366 + * @example DateTime.local(2013).daysInYear //=> 365 + * @type {number} + */ + + }, { + key: "daysInYear", + get: function get() { + return this.isValid ? daysInYear(this.year) : NaN; + } + /** + * Returns the number of weeks in this DateTime's year + * @see https://en.wikipedia.org/wiki/ISO_week_date + * @example DateTime.local(2004).weeksInWeekYear //=> 53 + * @example DateTime.local(2013).weeksInWeekYear //=> 52 + * @type {number} + */ + + }, { + key: "weeksInWeekYear", + get: function get() { + return this.isValid ? weeksInWeekYear(this.weekYear) : NaN; + } + }], [{ + key: "DATE_SHORT", + get: function get() { + return DATE_SHORT; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_MED", + get: function get() { + return DATE_MED; + } + /** + * {@link DateTime#toLocaleString} format like 'Fri, Oct 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_MED_WITH_WEEKDAY", + get: function get() { + return DATE_MED_WITH_WEEKDAY; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_FULL", + get: function get() { + return DATE_FULL; + } + /** + * {@link DateTime#toLocaleString} format like 'Tuesday, October 14, 1983' + * @type {Object} + */ + + }, { + key: "DATE_HUGE", + get: function get() { + return DATE_HUGE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_SIMPLE", + get: function get() { + return TIME_SIMPLE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_SECONDS", + get: function get() { + return TIME_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_SHORT_OFFSET", + get: function get() { + return TIME_WITH_SHORT_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "TIME_WITH_LONG_OFFSET", + get: function get() { + return TIME_WITH_LONG_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_SIMPLE", + get: function get() { + return TIME_24_SIMPLE; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_SECONDS", + get: function get() { + return TIME_24_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 EDT', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_SHORT_OFFSET", + get: function get() { + return TIME_24_WITH_SHORT_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '09:30:23 Eastern Daylight Time', always 24-hour. + * @type {Object} + */ + + }, { + key: "TIME_24_WITH_LONG_OFFSET", + get: function get() { + return TIME_24_WITH_LONG_OFFSET; + } + /** + * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_SHORT", + get: function get() { + return DATETIME_SHORT; + } + /** + * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30:33 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_SHORT_WITH_SECONDS", + get: function get() { + return DATETIME_SHORT_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED", + get: function get() { + return DATETIME_MED; + } + /** + * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30:33 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED_WITH_SECONDS", + get: function get() { + return DATETIME_MED_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Fri, 14 Oct 1983, 9:30 AM'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_MED_WITH_WEEKDAY", + get: function get() { + return DATETIME_MED_WITH_WEEKDAY; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_FULL", + get: function get() { + return DATETIME_FULL; + } + /** + * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30:33 AM EDT'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_FULL_WITH_SECONDS", + get: function get() { + return DATETIME_FULL_WITH_SECONDS; + } + /** + * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_HUGE", + get: function get() { + return DATETIME_HUGE; + } + /** + * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30:33 AM Eastern Daylight Time'. Only 12-hour if the locale is. + * @type {Object} + */ + + }, { + key: "DATETIME_HUGE_WITH_SECONDS", + get: function get() { + return DATETIME_HUGE_WITH_SECONDS; + } + }]); + + return DateTime; + }(); + function friendlyDateTime(dateTimeish) { + if (DateTime.isDateTime(dateTimeish)) { + return dateTimeish; + } else if (dateTimeish && dateTimeish.valueOf && isNumber(dateTimeish.valueOf())) { + return DateTime.fromJSDate(dateTimeish); + } else if (dateTimeish && typeof dateTimeish === "object") { + return DateTime.fromObject(dateTimeish); + } else { + throw new InvalidArgumentError("Unknown datetime argument: " + dateTimeish + ", of type " + typeof dateTimeish); + } + } + + var VERSION = "2.3.1"; + + exports.DateTime = DateTime; + exports.Duration = Duration; + exports.FixedOffsetZone = FixedOffsetZone; + exports.IANAZone = IANAZone; + exports.Info = Info; + exports.Interval = Interval; + exports.InvalidZone = InvalidZone; + exports.Settings = Settings; + exports.SystemZone = SystemZone; + exports.VERSION = VERSION; + exports.Zone = Zone; + + Object.defineProperty(exports, '__esModule', { value: true }); + + return exports; + +})({}); +//# sourceMappingURL=luxon.js.map diff --git a/GWMS.UI/wwwroot/lib/luxon/luxon.js.map b/GWMS.UI/wwwroot/lib/luxon/luxon.js.map new file mode 100644 index 0000000..bbd2108 --- /dev/null +++ b/GWMS.UI/wwwroot/lib/luxon/luxon.js.map @@ -0,0 +1 @@ +{"version":3,"file":"luxon.js","sources":["../../src/errors.js","../../src/impl/formats.js","../../src/impl/util.js","../../src/impl/english.js","../../src/impl/formatter.js","../../src/impl/invalid.js","../../src/zone.js","../../src/zones/systemZone.js","../../src/zones/IANAZone.js","../../src/zones/fixedOffsetZone.js","../../src/zones/invalidZone.js","../../src/impl/zoneUtil.js","../../src/settings.js","../../src/impl/locale.js","../../src/impl/regexParser.js","../../src/duration.js","../../src/interval.js","../../src/info.js","../../src/impl/diff.js","../../src/impl/digits.js","../../src/impl/tokenParser.js","../../src/impl/conversions.js","../../src/datetime.js","../../src/luxon.js"],"sourcesContent":["// these aren't really private, but nor are they really useful to document\n\n/**\n * @private\n */\nclass LuxonError extends Error {}\n\n/**\n * @private\n */\nexport class InvalidDateTimeError extends LuxonError {\n constructor(reason) {\n super(`Invalid DateTime: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidIntervalError extends LuxonError {\n constructor(reason) {\n super(`Invalid Interval: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidDurationError extends LuxonError {\n constructor(reason) {\n super(`Invalid Duration: ${reason.toMessage()}`);\n }\n}\n\n/**\n * @private\n */\nexport class ConflictingSpecificationError extends LuxonError {}\n\n/**\n * @private\n */\nexport class InvalidUnitError extends LuxonError {\n constructor(unit) {\n super(`Invalid unit ${unit}`);\n }\n}\n\n/**\n * @private\n */\nexport class InvalidArgumentError extends LuxonError {}\n\n/**\n * @private\n */\nexport class ZoneIsAbstractError extends LuxonError {\n constructor() {\n super(\"Zone is an abstract class\");\n }\n}\n","/**\n * @private\n */\n\nconst n = \"numeric\",\n s = \"short\",\n l = \"long\";\n\nexport const DATE_SHORT = {\n year: n,\n month: n,\n day: n,\n};\n\nexport const DATE_MED = {\n year: n,\n month: s,\n day: n,\n};\n\nexport const DATE_MED_WITH_WEEKDAY = {\n year: n,\n month: s,\n day: n,\n weekday: s,\n};\n\nexport const DATE_FULL = {\n year: n,\n month: l,\n day: n,\n};\n\nexport const DATE_HUGE = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n};\n\nexport const TIME_SIMPLE = {\n hour: n,\n minute: n,\n};\n\nexport const TIME_WITH_SECONDS = {\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const TIME_WITH_SHORT_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n timeZoneName: s,\n};\n\nexport const TIME_WITH_LONG_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n timeZoneName: l,\n};\n\nexport const TIME_24_SIMPLE = {\n hour: n,\n minute: n,\n hourCycle: \"h23\",\n};\n\nexport const TIME_24_WITH_SECONDS = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n};\n\nexport const TIME_24_WITH_SHORT_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n timeZoneName: s,\n};\n\nexport const TIME_24_WITH_LONG_OFFSET = {\n hour: n,\n minute: n,\n second: n,\n hourCycle: \"h23\",\n timeZoneName: l,\n};\n\nexport const DATETIME_SHORT = {\n year: n,\n month: n,\n day: n,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_SHORT_WITH_SECONDS = {\n year: n,\n month: n,\n day: n,\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const DATETIME_MED = {\n year: n,\n month: s,\n day: n,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_MED_WITH_SECONDS = {\n year: n,\n month: s,\n day: n,\n hour: n,\n minute: n,\n second: n,\n};\n\nexport const DATETIME_MED_WITH_WEEKDAY = {\n year: n,\n month: s,\n day: n,\n weekday: s,\n hour: n,\n minute: n,\n};\n\nexport const DATETIME_FULL = {\n year: n,\n month: l,\n day: n,\n hour: n,\n minute: n,\n timeZoneName: s,\n};\n\nexport const DATETIME_FULL_WITH_SECONDS = {\n year: n,\n month: l,\n day: n,\n hour: n,\n minute: n,\n second: n,\n timeZoneName: s,\n};\n\nexport const DATETIME_HUGE = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n hour: n,\n minute: n,\n timeZoneName: l,\n};\n\nexport const DATETIME_HUGE_WITH_SECONDS = {\n year: n,\n month: l,\n day: n,\n weekday: l,\n hour: n,\n minute: n,\n second: n,\n timeZoneName: l,\n};\n","/*\n This is just a junk drawer, containing anything used across multiple classes.\n Because Luxon is small(ish), this should stay small and we won't worry about splitting\n it up into, say, parsingUtil.js and basicUtil.js and so on. But they are divided up by feature area.\n*/\n\nimport { InvalidArgumentError } from \"../errors.js\";\n\n/**\n * @private\n */\n\n// TYPES\n\nexport function isUndefined(o) {\n return typeof o === \"undefined\";\n}\n\nexport function isNumber(o) {\n return typeof o === \"number\";\n}\n\nexport function isInteger(o) {\n return typeof o === \"number\" && o % 1 === 0;\n}\n\nexport function isString(o) {\n return typeof o === \"string\";\n}\n\nexport function isDate(o) {\n return Object.prototype.toString.call(o) === \"[object Date]\";\n}\n\n// CAPABILITIES\n\nexport function hasRelative() {\n try {\n return typeof Intl !== \"undefined\" && !!Intl.RelativeTimeFormat;\n } catch (e) {\n return false;\n }\n}\n\n// OBJECTS AND ARRAYS\n\nexport function maybeArray(thing) {\n return Array.isArray(thing) ? thing : [thing];\n}\n\nexport function bestBy(arr, by, compare) {\n if (arr.length === 0) {\n return undefined;\n }\n return arr.reduce((best, next) => {\n const pair = [by(next), next];\n if (!best) {\n return pair;\n } else if (compare(best[0], pair[0]) === best[0]) {\n return best;\n } else {\n return pair;\n }\n }, null)[1];\n}\n\nexport function pick(obj, keys) {\n return keys.reduce((a, k) => {\n a[k] = obj[k];\n return a;\n }, {});\n}\n\nexport function hasOwnProperty(obj, prop) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\n// NUMBERS AND STRINGS\n\nexport function integerBetween(thing, bottom, top) {\n return isInteger(thing) && thing >= bottom && thing <= top;\n}\n\n// x % n but takes the sign of n instead of x\nexport function floorMod(x, n) {\n return x - n * Math.floor(x / n);\n}\n\nexport function padStart(input, n = 2) {\n const isNeg = input < 0;\n let padded;\n if (isNeg) {\n padded = \"-\" + (\"\" + -input).padStart(n, \"0\");\n } else {\n padded = (\"\" + input).padStart(n, \"0\");\n }\n return padded;\n}\n\nexport function parseInteger(string) {\n if (isUndefined(string) || string === null || string === \"\") {\n return undefined;\n } else {\n return parseInt(string, 10);\n }\n}\n\nexport function parseFloating(string) {\n if (isUndefined(string) || string === null || string === \"\") {\n return undefined;\n } else {\n return parseFloat(string);\n }\n}\n\nexport function parseMillis(fraction) {\n // Return undefined (instead of 0) in these cases, where fraction is not set\n if (isUndefined(fraction) || fraction === null || fraction === \"\") {\n return undefined;\n } else {\n const f = parseFloat(\"0.\" + fraction) * 1000;\n return Math.floor(f);\n }\n}\n\nexport function roundTo(number, digits, towardZero = false) {\n const factor = 10 ** digits,\n rounder = towardZero ? Math.trunc : Math.round;\n return rounder(number * factor) / factor;\n}\n\n// DATE BASICS\n\nexport function isLeapYear(year) {\n return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);\n}\n\nexport function daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n}\n\nexport function daysInMonth(year, month) {\n const modMonth = floorMod(month - 1, 12) + 1,\n modYear = year + (month - modMonth) / 12;\n\n if (modMonth === 2) {\n return isLeapYear(modYear) ? 29 : 28;\n } else {\n return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][modMonth - 1];\n }\n}\n\n// covert a calendar object to a local timestamp (epoch, but with the offset baked in)\nexport function objToLocalTS(obj) {\n let d = Date.UTC(\n obj.year,\n obj.month - 1,\n obj.day,\n obj.hour,\n obj.minute,\n obj.second,\n obj.millisecond\n );\n\n // for legacy reasons, years between 0 and 99 are interpreted as 19XX; revert that\n if (obj.year < 100 && obj.year >= 0) {\n d = new Date(d);\n d.setUTCFullYear(d.getUTCFullYear() - 1900);\n }\n return +d;\n}\n\nexport function weeksInWeekYear(weekYear) {\n const p1 =\n (weekYear +\n Math.floor(weekYear / 4) -\n Math.floor(weekYear / 100) +\n Math.floor(weekYear / 400)) %\n 7,\n last = weekYear - 1,\n p2 = (last + Math.floor(last / 4) - Math.floor(last / 100) + Math.floor(last / 400)) % 7;\n return p1 === 4 || p2 === 3 ? 53 : 52;\n}\n\nexport function untruncateYear(year) {\n if (year > 99) {\n return year;\n } else return year > 60 ? 1900 + year : 2000 + year;\n}\n\n// PARSING\n\nexport function parseZoneInfo(ts, offsetFormat, locale, timeZone = null) {\n const date = new Date(ts),\n intlOpts = {\n hourCycle: \"h23\",\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n };\n\n if (timeZone) {\n intlOpts.timeZone = timeZone;\n }\n\n const modified = { timeZoneName: offsetFormat, ...intlOpts };\n\n const parsed = new Intl.DateTimeFormat(locale, modified)\n .formatToParts(date)\n .find((m) => m.type.toLowerCase() === \"timezonename\");\n return parsed ? parsed.value : null;\n}\n\n// signedOffset('-5', '30') -> -330\nexport function signedOffset(offHourStr, offMinuteStr) {\n let offHour = parseInt(offHourStr, 10);\n\n // don't || this because we want to preserve -0\n if (Number.isNaN(offHour)) {\n offHour = 0;\n }\n\n const offMin = parseInt(offMinuteStr, 10) || 0,\n offMinSigned = offHour < 0 || Object.is(offHour, -0) ? -offMin : offMin;\n return offHour * 60 + offMinSigned;\n}\n\n// COERCION\n\nexport function asNumber(value) {\n const numericValue = Number(value);\n if (typeof value === \"boolean\" || value === \"\" || Number.isNaN(numericValue))\n throw new InvalidArgumentError(`Invalid unit value ${value}`);\n return numericValue;\n}\n\nexport function normalizeObject(obj, normalizer) {\n const normalized = {};\n for (const u in obj) {\n if (hasOwnProperty(obj, u)) {\n const v = obj[u];\n if (v === undefined || v === null) continue;\n normalized[normalizer(u)] = asNumber(v);\n }\n }\n return normalized;\n}\n\nexport function formatOffset(offset, format) {\n const hours = Math.trunc(Math.abs(offset / 60)),\n minutes = Math.trunc(Math.abs(offset % 60)),\n sign = offset >= 0 ? \"+\" : \"-\";\n\n switch (format) {\n case \"short\":\n return `${sign}${padStart(hours, 2)}:${padStart(minutes, 2)}`;\n case \"narrow\":\n return `${sign}${hours}${minutes > 0 ? `:${minutes}` : \"\"}`;\n case \"techie\":\n return `${sign}${padStart(hours, 2)}${padStart(minutes, 2)}`;\n default:\n throw new RangeError(`Value format ${format} is out of range for property format`);\n }\n}\n\nexport function timeObject(obj) {\n return pick(obj, [\"hour\", \"minute\", \"second\", \"millisecond\"]);\n}\n\nexport const ianaRegex = /[A-Za-z_+-]{1,256}(:?\\/[A-Za-z0-9_+-]{1,256}(\\/[A-Za-z0-9_+-]{1,256})?)?/;\n","import * as Formats from \"./formats.js\";\nimport { pick } from \"./util.js\";\n\nfunction stringify(obj) {\n return JSON.stringify(obj, Object.keys(obj).sort());\n}\n\n/**\n * @private\n */\n\nexport const monthsLong = [\n \"January\",\n \"February\",\n \"March\",\n \"April\",\n \"May\",\n \"June\",\n \"July\",\n \"August\",\n \"September\",\n \"October\",\n \"November\",\n \"December\",\n];\n\nexport const monthsShort = [\n \"Jan\",\n \"Feb\",\n \"Mar\",\n \"Apr\",\n \"May\",\n \"Jun\",\n \"Jul\",\n \"Aug\",\n \"Sep\",\n \"Oct\",\n \"Nov\",\n \"Dec\",\n];\n\nexport const monthsNarrow = [\"J\", \"F\", \"M\", \"A\", \"M\", \"J\", \"J\", \"A\", \"S\", \"O\", \"N\", \"D\"];\n\nexport function months(length) {\n switch (length) {\n case \"narrow\":\n return [...monthsNarrow];\n case \"short\":\n return [...monthsShort];\n case \"long\":\n return [...monthsLong];\n case \"numeric\":\n return [\"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\", \"10\", \"11\", \"12\"];\n case \"2-digit\":\n return [\"01\", \"02\", \"03\", \"04\", \"05\", \"06\", \"07\", \"08\", \"09\", \"10\", \"11\", \"12\"];\n default:\n return null;\n }\n}\n\nexport const weekdaysLong = [\n \"Monday\",\n \"Tuesday\",\n \"Wednesday\",\n \"Thursday\",\n \"Friday\",\n \"Saturday\",\n \"Sunday\",\n];\n\nexport const weekdaysShort = [\"Mon\", \"Tue\", \"Wed\", \"Thu\", \"Fri\", \"Sat\", \"Sun\"];\n\nexport const weekdaysNarrow = [\"M\", \"T\", \"W\", \"T\", \"F\", \"S\", \"S\"];\n\nexport function weekdays(length) {\n switch (length) {\n case \"narrow\":\n return [...weekdaysNarrow];\n case \"short\":\n return [...weekdaysShort];\n case \"long\":\n return [...weekdaysLong];\n case \"numeric\":\n return [\"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\"];\n default:\n return null;\n }\n}\n\nexport const meridiems = [\"AM\", \"PM\"];\n\nexport const erasLong = [\"Before Christ\", \"Anno Domini\"];\n\nexport const erasShort = [\"BC\", \"AD\"];\n\nexport const erasNarrow = [\"B\", \"A\"];\n\nexport function eras(length) {\n switch (length) {\n case \"narrow\":\n return [...erasNarrow];\n case \"short\":\n return [...erasShort];\n case \"long\":\n return [...erasLong];\n default:\n return null;\n }\n}\n\nexport function meridiemForDateTime(dt) {\n return meridiems[dt.hour < 12 ? 0 : 1];\n}\n\nexport function weekdayForDateTime(dt, length) {\n return weekdays(length)[dt.weekday - 1];\n}\n\nexport function monthForDateTime(dt, length) {\n return months(length)[dt.month - 1];\n}\n\nexport function eraForDateTime(dt, length) {\n return eras(length)[dt.year < 0 ? 0 : 1];\n}\n\nexport function formatRelativeTime(unit, count, numeric = \"always\", narrow = false) {\n const units = {\n years: [\"year\", \"yr.\"],\n quarters: [\"quarter\", \"qtr.\"],\n months: [\"month\", \"mo.\"],\n weeks: [\"week\", \"wk.\"],\n days: [\"day\", \"day\", \"days\"],\n hours: [\"hour\", \"hr.\"],\n minutes: [\"minute\", \"min.\"],\n seconds: [\"second\", \"sec.\"],\n };\n\n const lastable = [\"hours\", \"minutes\", \"seconds\"].indexOf(unit) === -1;\n\n if (numeric === \"auto\" && lastable) {\n const isDay = unit === \"days\";\n switch (count) {\n case 1:\n return isDay ? \"tomorrow\" : `next ${units[unit][0]}`;\n case -1:\n return isDay ? \"yesterday\" : `last ${units[unit][0]}`;\n case 0:\n return isDay ? \"today\" : `this ${units[unit][0]}`;\n default: // fall through\n }\n }\n\n const isInPast = Object.is(count, -0) || count < 0,\n fmtValue = Math.abs(count),\n singular = fmtValue === 1,\n lilUnits = units[unit],\n fmtUnit = narrow\n ? singular\n ? lilUnits[1]\n : lilUnits[2] || lilUnits[1]\n : singular\n ? units[unit][0]\n : unit;\n return isInPast ? `${fmtValue} ${fmtUnit} ago` : `in ${fmtValue} ${fmtUnit}`;\n}\n\nexport function formatString(knownFormat) {\n // these all have the offsets removed because we don't have access to them\n // without all the intl stuff this is backfilling\n const filtered = pick(knownFormat, [\n \"weekday\",\n \"era\",\n \"year\",\n \"month\",\n \"day\",\n \"hour\",\n \"minute\",\n \"second\",\n \"timeZoneName\",\n \"hourCycle\",\n ]),\n key = stringify(filtered),\n dateTimeHuge = \"EEEE, LLLL d, yyyy, h:mm a\";\n switch (key) {\n case stringify(Formats.DATE_SHORT):\n return \"M/d/yyyy\";\n case stringify(Formats.DATE_MED):\n return \"LLL d, yyyy\";\n case stringify(Formats.DATE_MED_WITH_WEEKDAY):\n return \"EEE, LLL d, yyyy\";\n case stringify(Formats.DATE_FULL):\n return \"LLLL d, yyyy\";\n case stringify(Formats.DATE_HUGE):\n return \"EEEE, LLLL d, yyyy\";\n case stringify(Formats.TIME_SIMPLE):\n return \"h:mm a\";\n case stringify(Formats.TIME_WITH_SECONDS):\n return \"h:mm:ss a\";\n case stringify(Formats.TIME_WITH_SHORT_OFFSET):\n return \"h:mm a\";\n case stringify(Formats.TIME_WITH_LONG_OFFSET):\n return \"h:mm a\";\n case stringify(Formats.TIME_24_SIMPLE):\n return \"HH:mm\";\n case stringify(Formats.TIME_24_WITH_SECONDS):\n return \"HH:mm:ss\";\n case stringify(Formats.TIME_24_WITH_SHORT_OFFSET):\n return \"HH:mm\";\n case stringify(Formats.TIME_24_WITH_LONG_OFFSET):\n return \"HH:mm\";\n case stringify(Formats.DATETIME_SHORT):\n return \"M/d/yyyy, h:mm a\";\n case stringify(Formats.DATETIME_MED):\n return \"LLL d, yyyy, h:mm a\";\n case stringify(Formats.DATETIME_FULL):\n return \"LLLL d, yyyy, h:mm a\";\n case stringify(Formats.DATETIME_HUGE):\n return dateTimeHuge;\n case stringify(Formats.DATETIME_SHORT_WITH_SECONDS):\n return \"M/d/yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_MED_WITH_SECONDS):\n return \"LLL d, yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_MED_WITH_WEEKDAY):\n return \"EEE, d LLL yyyy, h:mm a\";\n case stringify(Formats.DATETIME_FULL_WITH_SECONDS):\n return \"LLLL d, yyyy, h:mm:ss a\";\n case stringify(Formats.DATETIME_HUGE_WITH_SECONDS):\n return \"EEEE, LLLL d, yyyy, h:mm:ss a\";\n default:\n return dateTimeHuge;\n }\n}\n","import * as English from \"./english.js\";\nimport * as Formats from \"./formats.js\";\nimport { padStart } from \"./util.js\";\n\nfunction stringifyTokens(splits, tokenToString) {\n let s = \"\";\n for (const token of splits) {\n if (token.literal) {\n s += token.val;\n } else {\n s += tokenToString(token.val);\n }\n }\n return s;\n}\n\nconst macroTokenToFormatOpts = {\n D: Formats.DATE_SHORT,\n DD: Formats.DATE_MED,\n DDD: Formats.DATE_FULL,\n DDDD: Formats.DATE_HUGE,\n t: Formats.TIME_SIMPLE,\n tt: Formats.TIME_WITH_SECONDS,\n ttt: Formats.TIME_WITH_SHORT_OFFSET,\n tttt: Formats.TIME_WITH_LONG_OFFSET,\n T: Formats.TIME_24_SIMPLE,\n TT: Formats.TIME_24_WITH_SECONDS,\n TTT: Formats.TIME_24_WITH_SHORT_OFFSET,\n TTTT: Formats.TIME_24_WITH_LONG_OFFSET,\n f: Formats.DATETIME_SHORT,\n ff: Formats.DATETIME_MED,\n fff: Formats.DATETIME_FULL,\n ffff: Formats.DATETIME_HUGE,\n F: Formats.DATETIME_SHORT_WITH_SECONDS,\n FF: Formats.DATETIME_MED_WITH_SECONDS,\n FFF: Formats.DATETIME_FULL_WITH_SECONDS,\n FFFF: Formats.DATETIME_HUGE_WITH_SECONDS,\n};\n\n/**\n * @private\n */\n\nexport default class Formatter {\n static create(locale, opts = {}) {\n return new Formatter(locale, opts);\n }\n\n static parseFormat(fmt) {\n let current = null,\n currentFull = \"\",\n bracketed = false;\n const splits = [];\n for (let i = 0; i < fmt.length; i++) {\n const c = fmt.charAt(i);\n if (c === \"'\") {\n if (currentFull.length > 0) {\n splits.push({ literal: bracketed, val: currentFull });\n }\n current = null;\n currentFull = \"\";\n bracketed = !bracketed;\n } else if (bracketed) {\n currentFull += c;\n } else if (c === current) {\n currentFull += c;\n } else {\n if (currentFull.length > 0) {\n splits.push({ literal: false, val: currentFull });\n }\n currentFull = c;\n current = c;\n }\n }\n\n if (currentFull.length > 0) {\n splits.push({ literal: bracketed, val: currentFull });\n }\n\n return splits;\n }\n\n static macroTokenToFormatOpts(token) {\n return macroTokenToFormatOpts[token];\n }\n\n constructor(locale, formatOpts) {\n this.opts = formatOpts;\n this.loc = locale;\n this.systemLoc = null;\n }\n\n formatWithSystemDefault(dt, opts) {\n if (this.systemLoc === null) {\n this.systemLoc = this.loc.redefaultToSystem();\n }\n const df = this.systemLoc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.format();\n }\n\n formatDateTime(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.format();\n }\n\n formatDateTimeParts(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.formatToParts();\n }\n\n resolvedOptions(dt, opts = {}) {\n const df = this.loc.dtFormatter(dt, { ...this.opts, ...opts });\n return df.resolvedOptions();\n }\n\n num(n, p = 0) {\n // we get some perf out of doing this here, annoyingly\n if (this.opts.forceSimple) {\n return padStart(n, p);\n }\n\n const opts = { ...this.opts };\n\n if (p > 0) {\n opts.padTo = p;\n }\n\n return this.loc.numberFormatter(opts).format(n);\n }\n\n formatDateTimeFromString(dt, fmt) {\n const knownEnglish = this.loc.listingMode() === \"en\",\n useDateTimeFormatter = this.loc.outputCalendar && this.loc.outputCalendar !== \"gregory\",\n string = (opts, extract) => this.loc.extract(dt, opts, extract),\n formatOffset = (opts) => {\n if (dt.isOffsetFixed && dt.offset === 0 && opts.allowZ) {\n return \"Z\";\n }\n\n return dt.isValid ? dt.zone.formatOffset(dt.ts, opts.format) : \"\";\n },\n meridiem = () =>\n knownEnglish\n ? English.meridiemForDateTime(dt)\n : string({ hour: \"numeric\", hourCycle: \"h12\" }, \"dayperiod\"),\n month = (length, standalone) =>\n knownEnglish\n ? English.monthForDateTime(dt, length)\n : string(standalone ? { month: length } : { month: length, day: \"numeric\" }, \"month\"),\n weekday = (length, standalone) =>\n knownEnglish\n ? English.weekdayForDateTime(dt, length)\n : string(\n standalone ? { weekday: length } : { weekday: length, month: \"long\", day: \"numeric\" },\n \"weekday\"\n ),\n maybeMacro = (token) => {\n const formatOpts = Formatter.macroTokenToFormatOpts(token);\n if (formatOpts) {\n return this.formatWithSystemDefault(dt, formatOpts);\n } else {\n return token;\n }\n },\n era = (length) =>\n knownEnglish ? English.eraForDateTime(dt, length) : string({ era: length }, \"era\"),\n tokenToString = (token) => {\n // Where possible: http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles\n switch (token) {\n // ms\n case \"S\":\n return this.num(dt.millisecond);\n case \"u\":\n // falls through\n case \"SSS\":\n return this.num(dt.millisecond, 3);\n // seconds\n case \"s\":\n return this.num(dt.second);\n case \"ss\":\n return this.num(dt.second, 2);\n // fractional seconds\n case \"uu\":\n return this.num(Math.floor(dt.millisecond / 10), 2);\n case \"uuu\":\n return this.num(Math.floor(dt.millisecond / 100));\n // minutes\n case \"m\":\n return this.num(dt.minute);\n case \"mm\":\n return this.num(dt.minute, 2);\n // hours\n case \"h\":\n return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12);\n case \"hh\":\n return this.num(dt.hour % 12 === 0 ? 12 : dt.hour % 12, 2);\n case \"H\":\n return this.num(dt.hour);\n case \"HH\":\n return this.num(dt.hour, 2);\n // offset\n case \"Z\":\n // like +6\n return formatOffset({ format: \"narrow\", allowZ: this.opts.allowZ });\n case \"ZZ\":\n // like +06:00\n return formatOffset({ format: \"short\", allowZ: this.opts.allowZ });\n case \"ZZZ\":\n // like +0600\n return formatOffset({ format: \"techie\", allowZ: this.opts.allowZ });\n case \"ZZZZ\":\n // like EST\n return dt.zone.offsetName(dt.ts, { format: \"short\", locale: this.loc.locale });\n case \"ZZZZZ\":\n // like Eastern Standard Time\n return dt.zone.offsetName(dt.ts, { format: \"long\", locale: this.loc.locale });\n // zone\n case \"z\":\n // like America/New_York\n return dt.zoneName;\n // meridiems\n case \"a\":\n return meridiem();\n // dates\n case \"d\":\n return useDateTimeFormatter ? string({ day: \"numeric\" }, \"day\") : this.num(dt.day);\n case \"dd\":\n return useDateTimeFormatter ? string({ day: \"2-digit\" }, \"day\") : this.num(dt.day, 2);\n // weekdays - standalone\n case \"c\":\n // like 1\n return this.num(dt.weekday);\n case \"ccc\":\n // like 'Tues'\n return weekday(\"short\", true);\n case \"cccc\":\n // like 'Tuesday'\n return weekday(\"long\", true);\n case \"ccccc\":\n // like 'T'\n return weekday(\"narrow\", true);\n // weekdays - format\n case \"E\":\n // like 1\n return this.num(dt.weekday);\n case \"EEE\":\n // like 'Tues'\n return weekday(\"short\", false);\n case \"EEEE\":\n // like 'Tuesday'\n return weekday(\"long\", false);\n case \"EEEEE\":\n // like 'T'\n return weekday(\"narrow\", false);\n // months - standalone\n case \"L\":\n // like 1\n return useDateTimeFormatter\n ? string({ month: \"numeric\", day: \"numeric\" }, \"month\")\n : this.num(dt.month);\n case \"LL\":\n // like 01, doesn't seem to work\n return useDateTimeFormatter\n ? string({ month: \"2-digit\", day: \"numeric\" }, \"month\")\n : this.num(dt.month, 2);\n case \"LLL\":\n // like Jan\n return month(\"short\", true);\n case \"LLLL\":\n // like January\n return month(\"long\", true);\n case \"LLLLL\":\n // like J\n return month(\"narrow\", true);\n // months - format\n case \"M\":\n // like 1\n return useDateTimeFormatter\n ? string({ month: \"numeric\" }, \"month\")\n : this.num(dt.month);\n case \"MM\":\n // like 01\n return useDateTimeFormatter\n ? string({ month: \"2-digit\" }, \"month\")\n : this.num(dt.month, 2);\n case \"MMM\":\n // like Jan\n return month(\"short\", false);\n case \"MMMM\":\n // like January\n return month(\"long\", false);\n case \"MMMMM\":\n // like J\n return month(\"narrow\", false);\n // years\n case \"y\":\n // like 2014\n return useDateTimeFormatter ? string({ year: \"numeric\" }, \"year\") : this.num(dt.year);\n case \"yy\":\n // like 14\n return useDateTimeFormatter\n ? string({ year: \"2-digit\" }, \"year\")\n : this.num(dt.year.toString().slice(-2), 2);\n case \"yyyy\":\n // like 0012\n return useDateTimeFormatter\n ? string({ year: \"numeric\" }, \"year\")\n : this.num(dt.year, 4);\n case \"yyyyyy\":\n // like 000012\n return useDateTimeFormatter\n ? string({ year: \"numeric\" }, \"year\")\n : this.num(dt.year, 6);\n // eras\n case \"G\":\n // like AD\n return era(\"short\");\n case \"GG\":\n // like Anno Domini\n return era(\"long\");\n case \"GGGGG\":\n return era(\"narrow\");\n case \"kk\":\n return this.num(dt.weekYear.toString().slice(-2), 2);\n case \"kkkk\":\n return this.num(dt.weekYear, 4);\n case \"W\":\n return this.num(dt.weekNumber);\n case \"WW\":\n return this.num(dt.weekNumber, 2);\n case \"o\":\n return this.num(dt.ordinal);\n case \"ooo\":\n return this.num(dt.ordinal, 3);\n case \"q\":\n // like 1\n return this.num(dt.quarter);\n case \"qq\":\n // like 01\n return this.num(dt.quarter, 2);\n case \"X\":\n return this.num(Math.floor(dt.ts / 1000));\n case \"x\":\n return this.num(dt.ts);\n default:\n return maybeMacro(token);\n }\n };\n\n return stringifyTokens(Formatter.parseFormat(fmt), tokenToString);\n }\n\n formatDurationFromString(dur, fmt) {\n const tokenToField = (token) => {\n switch (token[0]) {\n case \"S\":\n return \"millisecond\";\n case \"s\":\n return \"second\";\n case \"m\":\n return \"minute\";\n case \"h\":\n return \"hour\";\n case \"d\":\n return \"day\";\n case \"M\":\n return \"month\";\n case \"y\":\n return \"year\";\n default:\n return null;\n }\n },\n tokenToString = (lildur) => (token) => {\n const mapped = tokenToField(token);\n if (mapped) {\n return this.num(lildur.get(mapped), token.length);\n } else {\n return token;\n }\n },\n tokens = Formatter.parseFormat(fmt),\n realTokens = tokens.reduce(\n (found, { literal, val }) => (literal ? found : found.concat(val)),\n []\n ),\n collapsed = dur.shiftTo(...realTokens.map(tokenToField).filter((t) => t));\n return stringifyTokens(tokens, tokenToString(collapsed));\n }\n}\n","export default class Invalid {\n constructor(reason, explanation) {\n this.reason = reason;\n this.explanation = explanation;\n }\n\n toMessage() {\n if (this.explanation) {\n return `${this.reason}: ${this.explanation}`;\n } else {\n return this.reason;\n }\n }\n}\n","import { ZoneIsAbstractError } from \"./errors.js\";\n\n/**\n * @interface\n */\nexport default class Zone {\n /**\n * The type of zone\n * @abstract\n * @type {string}\n */\n get type() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * The name of this zone.\n * @abstract\n * @type {string}\n */\n get name() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns whether the offset is known to be fixed for the whole year.\n * @abstract\n * @type {boolean}\n */\n get isUniversal() {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns the offset's common name (such as EST) at the specified timestamp\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to get the name\n * @param {Object} opts - Options to affect the format\n * @param {string} opts.format - What style of offset to return. Accepts 'long' or 'short'.\n * @param {string} opts.locale - What locale to return the offset name in.\n * @return {string}\n */\n offsetName(ts, opts) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Returns the offset's value as a string\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to get the offset\n * @param {string} format - What style of offset to return.\n * Accepts 'narrow', 'short', or 'techie'. Returning '+6', '+06:00', or '+0600' respectively\n * @return {string}\n */\n formatOffset(ts, format) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return the offset in minutes for this zone at the specified timestamp.\n * @abstract\n * @param {number} ts - Epoch milliseconds for which to compute the offset\n * @return {number}\n */\n offset(ts) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return whether this Zone is equal to another zone\n * @abstract\n * @param {Zone} otherZone - the zone to compare\n * @return {boolean}\n */\n equals(otherZone) {\n throw new ZoneIsAbstractError();\n }\n\n /**\n * Return whether this Zone is valid.\n * @abstract\n * @type {boolean}\n */\n get isValid() {\n throw new ZoneIsAbstractError();\n }\n}\n","import { formatOffset, parseZoneInfo } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nlet singleton = null;\n\n/**\n * Represents the local zone for this JavaScript environment.\n * @implements {Zone}\n */\nexport default class SystemZone extends Zone {\n /**\n * Get a singleton instance of the local zone\n * @return {SystemZone}\n */\n static get instance() {\n if (singleton === null) {\n singleton = new SystemZone();\n }\n return singleton;\n }\n\n /** @override **/\n get type() {\n return \"system\";\n }\n\n /** @override **/\n get name() {\n return new Intl.DateTimeFormat().resolvedOptions().timeZone;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName(ts, { format, locale }) {\n return parseZoneInfo(ts, format, locale);\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.offset(ts), format);\n }\n\n /** @override **/\n offset(ts) {\n return -new Date(ts).getTimezoneOffset();\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"system\";\n }\n\n /** @override **/\n get isValid() {\n return true;\n }\n}\n","import { formatOffset, parseZoneInfo, isUndefined, ianaRegex, objToLocalTS } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nconst matchingRegex = RegExp(`^${ianaRegex.source}$`);\n\nlet dtfCache = {};\nfunction makeDTF(zone) {\n if (!dtfCache[zone]) {\n dtfCache[zone] = new Intl.DateTimeFormat(\"en-US\", {\n hour12: false,\n timeZone: zone,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n second: \"2-digit\",\n });\n }\n return dtfCache[zone];\n}\n\nconst typeToPos = {\n year: 0,\n month: 1,\n day: 2,\n hour: 3,\n minute: 4,\n second: 5,\n};\n\nfunction hackyOffset(dtf, date) {\n const formatted = dtf.format(date).replace(/\\u200E/g, \"\"),\n parsed = /(\\d+)\\/(\\d+)\\/(\\d+),? (\\d+):(\\d+):(\\d+)/.exec(formatted),\n [, fMonth, fDay, fYear, fHour, fMinute, fSecond] = parsed;\n return [fYear, fMonth, fDay, fHour, fMinute, fSecond];\n}\n\nfunction partsOffset(dtf, date) {\n const formatted = dtf.formatToParts(date),\n filled = [];\n for (let i = 0; i < formatted.length; i++) {\n const { type, value } = formatted[i],\n pos = typeToPos[type];\n\n if (!isUndefined(pos)) {\n filled[pos] = parseInt(value, 10);\n }\n }\n return filled;\n}\n\nlet ianaZoneCache = {};\n/**\n * A zone identified by an IANA identifier, like America/New_York\n * @implements {Zone}\n */\nexport default class IANAZone extends Zone {\n /**\n * @param {string} name - Zone name\n * @return {IANAZone}\n */\n static create(name) {\n if (!ianaZoneCache[name]) {\n ianaZoneCache[name] = new IANAZone(name);\n }\n return ianaZoneCache[name];\n }\n\n /**\n * Reset local caches. Should only be necessary in testing scenarios.\n * @return {void}\n */\n static resetCache() {\n ianaZoneCache = {};\n dtfCache = {};\n }\n\n /**\n * Returns whether the provided string is a valid specifier. This only checks the string's format, not that the specifier identifies a known zone; see isValidZone for that.\n * @param {string} s - The string to check validity on\n * @example IANAZone.isValidSpecifier(\"America/New_York\") //=> true\n * @example IANAZone.isValidSpecifier(\"Sport~~blorp\") //=> false\n * @deprecated This method returns false some valid IANA names. Use isValidZone instead\n * @return {boolean}\n */\n static isValidSpecifier(s) {\n return this.isValidZone(s);\n }\n\n /**\n * Returns whether the provided string identifies a real zone\n * @param {string} zone - The string to check\n * @example IANAZone.isValidZone(\"America/New_York\") //=> true\n * @example IANAZone.isValidZone(\"Fantasia/Castle\") //=> false\n * @example IANAZone.isValidZone(\"Sport~~blorp\") //=> false\n * @return {boolean}\n */\n static isValidZone(zone) {\n if (!zone) {\n return false;\n }\n try {\n new Intl.DateTimeFormat(\"en-US\", { timeZone: zone }).format();\n return true;\n } catch (e) {\n return false;\n }\n }\n\n constructor(name) {\n super();\n /** @private **/\n this.zoneName = name;\n /** @private **/\n this.valid = IANAZone.isValidZone(name);\n }\n\n /** @override **/\n get type() {\n return \"iana\";\n }\n\n /** @override **/\n get name() {\n return this.zoneName;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName(ts, { format, locale }) {\n return parseZoneInfo(ts, format, locale, this.name);\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.offset(ts), format);\n }\n\n /** @override **/\n offset(ts) {\n const date = new Date(ts);\n\n if (isNaN(date)) return NaN;\n\n const dtf = makeDTF(this.name),\n [year, month, day, hour, minute, second] = dtf.formatToParts\n ? partsOffset(dtf, date)\n : hackyOffset(dtf, date);\n\n // because we're using hour12 and https://bugs.chromium.org/p/chromium/issues/detail?id=1025564&can=2&q=%2224%3A00%22%20datetimeformat\n const adjustedHour = hour === 24 ? 0 : hour;\n\n const asUTC = objToLocalTS({\n year,\n month,\n day,\n hour: adjustedHour,\n minute,\n second,\n millisecond: 0,\n });\n\n let asTS = +date;\n const over = asTS % 1000;\n asTS -= over >= 0 ? over : 1000 + over;\n return (asUTC - asTS) / (60 * 1000);\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"iana\" && otherZone.name === this.name;\n }\n\n /** @override **/\n get isValid() {\n return this.valid;\n }\n}\n","import { formatOffset, signedOffset } from \"../impl/util.js\";\nimport Zone from \"../zone.js\";\n\nlet singleton = null;\n\n/**\n * A zone with a fixed offset (meaning no DST)\n * @implements {Zone}\n */\nexport default class FixedOffsetZone extends Zone {\n /**\n * Get a singleton instance of UTC\n * @return {FixedOffsetZone}\n */\n static get utcInstance() {\n if (singleton === null) {\n singleton = new FixedOffsetZone(0);\n }\n return singleton;\n }\n\n /**\n * Get an instance with a specified offset\n * @param {number} offset - The offset in minutes\n * @return {FixedOffsetZone}\n */\n static instance(offset) {\n return offset === 0 ? FixedOffsetZone.utcInstance : new FixedOffsetZone(offset);\n }\n\n /**\n * Get an instance of FixedOffsetZone from a UTC offset string, like \"UTC+6\"\n * @param {string} s - The offset string to parse\n * @example FixedOffsetZone.parseSpecifier(\"UTC+6\")\n * @example FixedOffsetZone.parseSpecifier(\"UTC+06\")\n * @example FixedOffsetZone.parseSpecifier(\"UTC-6:00\")\n * @return {FixedOffsetZone}\n */\n static parseSpecifier(s) {\n if (s) {\n const r = s.match(/^utc(?:([+-]\\d{1,2})(?::(\\d{2}))?)?$/i);\n if (r) {\n return new FixedOffsetZone(signedOffset(r[1], r[2]));\n }\n }\n return null;\n }\n\n constructor(offset) {\n super();\n /** @private **/\n this.fixed = offset;\n }\n\n /** @override **/\n get type() {\n return \"fixed\";\n }\n\n /** @override **/\n get name() {\n return this.fixed === 0 ? \"UTC\" : `UTC${formatOffset(this.fixed, \"narrow\")}`;\n }\n\n /** @override **/\n offsetName() {\n return this.name;\n }\n\n /** @override **/\n formatOffset(ts, format) {\n return formatOffset(this.fixed, format);\n }\n\n /** @override **/\n get isUniversal() {\n return true;\n }\n\n /** @override **/\n offset() {\n return this.fixed;\n }\n\n /** @override **/\n equals(otherZone) {\n return otherZone.type === \"fixed\" && otherZone.fixed === this.fixed;\n }\n\n /** @override **/\n get isValid() {\n return true;\n }\n}\n","import Zone from \"../zone.js\";\n\n/**\n * A zone that failed to parse. You should never need to instantiate this.\n * @implements {Zone}\n */\nexport default class InvalidZone extends Zone {\n constructor(zoneName) {\n super();\n /** @private */\n this.zoneName = zoneName;\n }\n\n /** @override **/\n get type() {\n return \"invalid\";\n }\n\n /** @override **/\n get name() {\n return this.zoneName;\n }\n\n /** @override **/\n get isUniversal() {\n return false;\n }\n\n /** @override **/\n offsetName() {\n return null;\n }\n\n /** @override **/\n formatOffset() {\n return \"\";\n }\n\n /** @override **/\n offset() {\n return NaN;\n }\n\n /** @override **/\n equals() {\n return false;\n }\n\n /** @override **/\n get isValid() {\n return false;\n }\n}\n","/**\n * @private\n */\n\nimport Zone from \"../zone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport InvalidZone from \"../zones/invalidZone.js\";\n\nimport { isUndefined, isString, isNumber } from \"./util.js\";\n\nexport function normalizeZone(input, defaultZone) {\n let offset;\n if (isUndefined(input) || input === null) {\n return defaultZone;\n } else if (input instanceof Zone) {\n return input;\n } else if (isString(input)) {\n const lowered = input.toLowerCase();\n if (lowered === \"local\" || lowered === \"system\") return defaultZone;\n else if (lowered === \"utc\" || lowered === \"gmt\") return FixedOffsetZone.utcInstance;\n else return FixedOffsetZone.parseSpecifier(lowered) || IANAZone.create(input);\n } else if (isNumber(input)) {\n return FixedOffsetZone.instance(input);\n } else if (typeof input === \"object\" && input.offset && typeof input.offset === \"number\") {\n // This is dumb, but the instanceof check above doesn't seem to really work\n // so we're duck checking it\n return input;\n } else {\n return new InvalidZone(input);\n }\n}\n","import SystemZone from \"./zones/systemZone.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport Locale from \"./impl/locale.js\";\n\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\n\nlet now = () => Date.now(),\n defaultZone = \"system\",\n defaultLocale = null,\n defaultNumberingSystem = null,\n defaultOutputCalendar = null,\n throwOnInvalid;\n\n/**\n * Settings contains static getters and setters that control Luxon's overall behavior. Luxon is a simple library with few options, but the ones it does have live here.\n */\nexport default class Settings {\n /**\n * Get the callback for returning the current timestamp.\n * @type {function}\n */\n static get now() {\n return now;\n }\n\n /**\n * Set the callback for returning the current timestamp.\n * The function should return a number, which will be interpreted as an Epoch millisecond count\n * @type {function}\n * @example Settings.now = () => Date.now() + 3000 // pretend it is 3 seconds in the future\n * @example Settings.now = () => 0 // always pretend it's Jan 1, 1970 at midnight in UTC time\n */\n static set now(n) {\n now = n;\n }\n\n /**\n * Set the default time zone to create DateTimes in. Does not affect existing instances.\n * Use the value \"system\" to reset this value to the system's time zone.\n * @type {string}\n */\n static set defaultZone(zone) {\n defaultZone = zone;\n }\n\n /**\n * Get the default time zone object currently used to create DateTimes. Does not affect existing instances.\n * The default value is the system's time zone (the one set on the machine that runs this code).\n * @type {Zone}\n */\n static get defaultZone() {\n return normalizeZone(defaultZone, SystemZone.instance);\n }\n\n /**\n * Get the default locale to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultLocale() {\n return defaultLocale;\n }\n\n /**\n * Set the default locale to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultLocale(locale) {\n defaultLocale = locale;\n }\n\n /**\n * Get the default numbering system to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultNumberingSystem() {\n return defaultNumberingSystem;\n }\n\n /**\n * Set the default numbering system to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultNumberingSystem(numberingSystem) {\n defaultNumberingSystem = numberingSystem;\n }\n\n /**\n * Get the default output calendar to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static get defaultOutputCalendar() {\n return defaultOutputCalendar;\n }\n\n /**\n * Set the default output calendar to create DateTimes with. Does not affect existing instances.\n * @type {string}\n */\n static set defaultOutputCalendar(outputCalendar) {\n defaultOutputCalendar = outputCalendar;\n }\n\n /**\n * Get whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals\n * @type {boolean}\n */\n static get throwOnInvalid() {\n return throwOnInvalid;\n }\n\n /**\n * Set whether Luxon will throw when it encounters invalid DateTimes, Durations, or Intervals\n * @type {boolean}\n */\n static set throwOnInvalid(t) {\n throwOnInvalid = t;\n }\n\n /**\n * Reset Luxon's global caches. Should only be necessary in testing scenarios.\n * @return {void}\n */\n static resetCaches() {\n Locale.resetCache();\n IANAZone.resetCache();\n }\n}\n","import { padStart, roundTo, hasRelative } from \"./util.js\";\nimport * as English from \"./english.js\";\nimport Settings from \"../settings.js\";\nimport DateTime from \"../datetime.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\n\n// todo - remap caching\n\nlet intlLFCache = {};\nfunction getCachedLF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let dtf = intlLFCache[key];\n if (!dtf) {\n dtf = new Intl.ListFormat(locString, opts);\n intlLFCache[key] = dtf;\n }\n return dtf;\n}\n\nlet intlDTCache = {};\nfunction getCachedDTF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let dtf = intlDTCache[key];\n if (!dtf) {\n dtf = new Intl.DateTimeFormat(locString, opts);\n intlDTCache[key] = dtf;\n }\n return dtf;\n}\n\nlet intlNumCache = {};\nfunction getCachedINF(locString, opts = {}) {\n const key = JSON.stringify([locString, opts]);\n let inf = intlNumCache[key];\n if (!inf) {\n inf = new Intl.NumberFormat(locString, opts);\n intlNumCache[key] = inf;\n }\n return inf;\n}\n\nlet intlRelCache = {};\nfunction getCachedRTF(locString, opts = {}) {\n const { base, ...cacheKeyOpts } = opts; // exclude `base` from the options\n const key = JSON.stringify([locString, cacheKeyOpts]);\n let inf = intlRelCache[key];\n if (!inf) {\n inf = new Intl.RelativeTimeFormat(locString, opts);\n intlRelCache[key] = inf;\n }\n return inf;\n}\n\nlet sysLocaleCache = null;\nfunction systemLocale() {\n if (sysLocaleCache) {\n return sysLocaleCache;\n } else {\n sysLocaleCache = new Intl.DateTimeFormat().resolvedOptions().locale;\n return sysLocaleCache;\n }\n}\n\nfunction parseLocaleString(localeStr) {\n // I really want to avoid writing a BCP 47 parser\n // see, e.g. https://github.com/wooorm/bcp-47\n // Instead, we'll do this:\n\n // a) if the string has no -u extensions, just leave it alone\n // b) if it does, use Intl to resolve everything\n // c) if Intl fails, try again without the -u\n\n const uIndex = localeStr.indexOf(\"-u-\");\n if (uIndex === -1) {\n return [localeStr];\n } else {\n let options;\n const smaller = localeStr.substring(0, uIndex);\n try {\n options = getCachedDTF(localeStr).resolvedOptions();\n } catch (e) {\n options = getCachedDTF(smaller).resolvedOptions();\n }\n\n const { numberingSystem, calendar } = options;\n // return the smaller one so that we can append the calendar and numbering overrides to it\n return [smaller, numberingSystem, calendar];\n }\n}\n\nfunction intlConfigString(localeStr, numberingSystem, outputCalendar) {\n if (outputCalendar || numberingSystem) {\n localeStr += \"-u\";\n\n if (outputCalendar) {\n localeStr += `-ca-${outputCalendar}`;\n }\n\n if (numberingSystem) {\n localeStr += `-nu-${numberingSystem}`;\n }\n return localeStr;\n } else {\n return localeStr;\n }\n}\n\nfunction mapMonths(f) {\n const ms = [];\n for (let i = 1; i <= 12; i++) {\n const dt = DateTime.utc(2016, i, 1);\n ms.push(f(dt));\n }\n return ms;\n}\n\nfunction mapWeekdays(f) {\n const ms = [];\n for (let i = 1; i <= 7; i++) {\n const dt = DateTime.utc(2016, 11, 13 + i);\n ms.push(f(dt));\n }\n return ms;\n}\n\nfunction listStuff(loc, length, defaultOK, englishFn, intlFn) {\n const mode = loc.listingMode(defaultOK);\n\n if (mode === \"error\") {\n return null;\n } else if (mode === \"en\") {\n return englishFn(length);\n } else {\n return intlFn(length);\n }\n}\n\nfunction supportsFastNumbers(loc) {\n if (loc.numberingSystem && loc.numberingSystem !== \"latn\") {\n return false;\n } else {\n return (\n loc.numberingSystem === \"latn\" ||\n !loc.locale ||\n loc.locale.startsWith(\"en\") ||\n new Intl.DateTimeFormat(loc.intl).resolvedOptions().numberingSystem === \"latn\"\n );\n }\n}\n\n/**\n * @private\n */\n\nclass PolyNumberFormatter {\n constructor(intl, forceSimple, opts) {\n this.padTo = opts.padTo || 0;\n this.floor = opts.floor || false;\n\n const { padTo, floor, ...otherOpts } = opts;\n\n if (!forceSimple || Object.keys(otherOpts).length > 0) {\n const intlOpts = { useGrouping: false, ...opts };\n if (opts.padTo > 0) intlOpts.minimumIntegerDigits = opts.padTo;\n this.inf = getCachedINF(intl, intlOpts);\n }\n }\n\n format(i) {\n if (this.inf) {\n const fixed = this.floor ? Math.floor(i) : i;\n return this.inf.format(fixed);\n } else {\n // to match the browser's numberformatter defaults\n const fixed = this.floor ? Math.floor(i) : roundTo(i, 3);\n return padStart(fixed, this.padTo);\n }\n }\n}\n\n/**\n * @private\n */\n\nclass PolyDateFormatter {\n constructor(dt, intl, opts) {\n this.opts = opts;\n\n let z;\n if (dt.zone.isUniversal) {\n // UTC-8 or Etc/UTC-8 are not part of tzdata, only Etc/GMT+8 and the like.\n // That is why fixed-offset TZ is set to that unless it is:\n // 1. Representing offset 0 when UTC is used to maintain previous behavior and does not become GMT.\n // 2. Unsupported by the browser:\n // - some do not support Etc/\n // - < Etc/GMT-14, > Etc/GMT+12, and 30-minute or 45-minute offsets are not part of tzdata\n const gmtOffset = -1 * (dt.offset / 60);\n const offsetZ = gmtOffset >= 0 ? `Etc/GMT+${gmtOffset}` : `Etc/GMT${gmtOffset}`;\n if (dt.offset !== 0 && IANAZone.create(offsetZ).valid) {\n z = offsetZ;\n this.dt = dt;\n } else {\n // Not all fixed-offset zones like Etc/+4:30 are present in tzdata.\n // So we have to make do. Two cases:\n // 1. The format options tell us to show the zone. We can't do that, so the best\n // we can do is format the date in UTC.\n // 2. The format options don't tell us to show the zone. Then we can adjust them\n // the time and tell the formatter to show it to us in UTC, so that the time is right\n // and the bad zone doesn't show up.\n z = \"UTC\";\n if (opts.timeZoneName) {\n this.dt = dt;\n } else {\n this.dt = dt.offset === 0 ? dt : DateTime.fromMillis(dt.ts + dt.offset * 60 * 1000);\n }\n }\n } else if (dt.zone.type === \"system\") {\n this.dt = dt;\n } else {\n this.dt = dt;\n z = dt.zone.name;\n }\n\n const intlOpts = { ...this.opts };\n if (z) {\n intlOpts.timeZone = z;\n }\n this.dtf = getCachedDTF(intl, intlOpts);\n }\n\n format() {\n return this.dtf.format(this.dt.toJSDate());\n }\n\n formatToParts() {\n return this.dtf.formatToParts(this.dt.toJSDate());\n }\n\n resolvedOptions() {\n return this.dtf.resolvedOptions();\n }\n}\n\n/**\n * @private\n */\nclass PolyRelFormatter {\n constructor(intl, isEnglish, opts) {\n this.opts = { style: \"long\", ...opts };\n if (!isEnglish && hasRelative()) {\n this.rtf = getCachedRTF(intl, opts);\n }\n }\n\n format(count, unit) {\n if (this.rtf) {\n return this.rtf.format(count, unit);\n } else {\n return English.formatRelativeTime(unit, count, this.opts.numeric, this.opts.style !== \"long\");\n }\n }\n\n formatToParts(count, unit) {\n if (this.rtf) {\n return this.rtf.formatToParts(count, unit);\n } else {\n return [];\n }\n }\n}\n\n/**\n * @private\n */\n\nexport default class Locale {\n static fromOpts(opts) {\n return Locale.create(opts.locale, opts.numberingSystem, opts.outputCalendar, opts.defaultToEN);\n }\n\n static create(locale, numberingSystem, outputCalendar, defaultToEN = false) {\n const specifiedLocale = locale || Settings.defaultLocale;\n // the system locale is useful for human readable strings but annoying for parsing/formatting known formats\n const localeR = specifiedLocale || (defaultToEN ? \"en-US\" : systemLocale());\n const numberingSystemR = numberingSystem || Settings.defaultNumberingSystem;\n const outputCalendarR = outputCalendar || Settings.defaultOutputCalendar;\n return new Locale(localeR, numberingSystemR, outputCalendarR, specifiedLocale);\n }\n\n static resetCache() {\n sysLocaleCache = null;\n intlDTCache = {};\n intlNumCache = {};\n intlRelCache = {};\n }\n\n static fromObject({ locale, numberingSystem, outputCalendar } = {}) {\n return Locale.create(locale, numberingSystem, outputCalendar);\n }\n\n constructor(locale, numbering, outputCalendar, specifiedLocale) {\n const [parsedLocale, parsedNumberingSystem, parsedOutputCalendar] = parseLocaleString(locale);\n\n this.locale = parsedLocale;\n this.numberingSystem = numbering || parsedNumberingSystem || null;\n this.outputCalendar = outputCalendar || parsedOutputCalendar || null;\n this.intl = intlConfigString(this.locale, this.numberingSystem, this.outputCalendar);\n\n this.weekdaysCache = { format: {}, standalone: {} };\n this.monthsCache = { format: {}, standalone: {} };\n this.meridiemCache = null;\n this.eraCache = {};\n\n this.specifiedLocale = specifiedLocale;\n this.fastNumbersCached = null;\n }\n\n get fastNumbers() {\n if (this.fastNumbersCached == null) {\n this.fastNumbersCached = supportsFastNumbers(this);\n }\n\n return this.fastNumbersCached;\n }\n\n listingMode() {\n const isActuallyEn = this.isEnglish();\n const hasNoWeirdness =\n (this.numberingSystem === null || this.numberingSystem === \"latn\") &&\n (this.outputCalendar === null || this.outputCalendar === \"gregory\");\n return isActuallyEn && hasNoWeirdness ? \"en\" : \"intl\";\n }\n\n clone(alts) {\n if (!alts || Object.getOwnPropertyNames(alts).length === 0) {\n return this;\n } else {\n return Locale.create(\n alts.locale || this.specifiedLocale,\n alts.numberingSystem || this.numberingSystem,\n alts.outputCalendar || this.outputCalendar,\n alts.defaultToEN || false\n );\n }\n }\n\n redefaultToEN(alts = {}) {\n return this.clone({ ...alts, defaultToEN: true });\n }\n\n redefaultToSystem(alts = {}) {\n return this.clone({ ...alts, defaultToEN: false });\n }\n\n months(length, format = false, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.months, () => {\n const intl = format ? { month: length, day: \"numeric\" } : { month: length },\n formatStr = format ? \"format\" : \"standalone\";\n if (!this.monthsCache[formatStr][length]) {\n this.monthsCache[formatStr][length] = mapMonths((dt) => this.extract(dt, intl, \"month\"));\n }\n return this.monthsCache[formatStr][length];\n });\n }\n\n weekdays(length, format = false, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.weekdays, () => {\n const intl = format\n ? { weekday: length, year: \"numeric\", month: \"long\", day: \"numeric\" }\n : { weekday: length },\n formatStr = format ? \"format\" : \"standalone\";\n if (!this.weekdaysCache[formatStr][length]) {\n this.weekdaysCache[formatStr][length] = mapWeekdays((dt) =>\n this.extract(dt, intl, \"weekday\")\n );\n }\n return this.weekdaysCache[formatStr][length];\n });\n }\n\n meridiems(defaultOK = true) {\n return listStuff(\n this,\n undefined,\n defaultOK,\n () => English.meridiems,\n () => {\n // In theory there could be aribitrary day periods. We're gonna assume there are exactly two\n // for AM and PM. This is probably wrong, but it's makes parsing way easier.\n if (!this.meridiemCache) {\n const intl = { hour: \"numeric\", hourCycle: \"h12\" };\n this.meridiemCache = [DateTime.utc(2016, 11, 13, 9), DateTime.utc(2016, 11, 13, 19)].map(\n (dt) => this.extract(dt, intl, \"dayperiod\")\n );\n }\n\n return this.meridiemCache;\n }\n );\n }\n\n eras(length, defaultOK = true) {\n return listStuff(this, length, defaultOK, English.eras, () => {\n const intl = { era: length };\n\n // This is problematic. Different calendars are going to define eras totally differently. What I need is the minimum set of dates\n // to definitely enumerate them.\n if (!this.eraCache[length]) {\n this.eraCache[length] = [DateTime.utc(-40, 1, 1), DateTime.utc(2017, 1, 1)].map((dt) =>\n this.extract(dt, intl, \"era\")\n );\n }\n\n return this.eraCache[length];\n });\n }\n\n extract(dt, intlOpts, field) {\n const df = this.dtFormatter(dt, intlOpts),\n results = df.formatToParts(),\n matching = results.find((m) => m.type.toLowerCase() === field);\n return matching ? matching.value : null;\n }\n\n numberFormatter(opts = {}) {\n // this forcesimple option is never used (the only caller short-circuits on it, but it seems safer to leave)\n // (in contrast, the rest of the condition is used heavily)\n return new PolyNumberFormatter(this.intl, opts.forceSimple || this.fastNumbers, opts);\n }\n\n dtFormatter(dt, intlOpts = {}) {\n return new PolyDateFormatter(dt, this.intl, intlOpts);\n }\n\n relFormatter(opts = {}) {\n return new PolyRelFormatter(this.intl, this.isEnglish(), opts);\n }\n\n listFormatter(opts = {}) {\n return getCachedLF(this.intl, opts);\n }\n\n isEnglish() {\n return (\n this.locale === \"en\" ||\n this.locale.toLowerCase() === \"en-us\" ||\n new Intl.DateTimeFormat(this.intl).resolvedOptions().locale.startsWith(\"en-us\")\n );\n }\n\n equals(other) {\n return (\n this.locale === other.locale &&\n this.numberingSystem === other.numberingSystem &&\n this.outputCalendar === other.outputCalendar\n );\n }\n}\n","import {\n untruncateYear,\n signedOffset,\n parseInteger,\n parseMillis,\n ianaRegex,\n isUndefined,\n parseFloating,\n} from \"./util.js\";\nimport * as English from \"./english.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\n\n/*\n * This file handles parsing for well-specified formats. Here's how it works:\n * Two things go into parsing: a regex to match with and an extractor to take apart the groups in the match.\n * An extractor is just a function that takes a regex match array and returns a { year: ..., month: ... } object\n * parse() does the work of executing the regex and applying the extractor. It takes multiple regex/extractor pairs to try in sequence.\n * Extractors can take a \"cursor\" representing the offset in the match to look at. This makes it easy to combine extractors.\n * combineExtractors() does the work of combining them, keeping track of the cursor through multiple extractions.\n * Some extractions are super dumb and simpleParse and fromStrings help DRY them.\n */\n\nfunction combineRegexes(...regexes) {\n const full = regexes.reduce((f, r) => f + r.source, \"\");\n return RegExp(`^${full}$`);\n}\n\nfunction combineExtractors(...extractors) {\n return (m) =>\n extractors\n .reduce(\n ([mergedVals, mergedZone, cursor], ex) => {\n const [val, zone, next] = ex(m, cursor);\n return [{ ...mergedVals, ...val }, mergedZone || zone, next];\n },\n [{}, null, 1]\n )\n .slice(0, 2);\n}\n\nfunction parse(s, ...patterns) {\n if (s == null) {\n return [null, null];\n }\n\n for (const [regex, extractor] of patterns) {\n const m = regex.exec(s);\n if (m) {\n return extractor(m);\n }\n }\n return [null, null];\n}\n\nfunction simpleParse(...keys) {\n return (match, cursor) => {\n const ret = {};\n let i;\n\n for (i = 0; i < keys.length; i++) {\n ret[keys[i]] = parseInteger(match[cursor + i]);\n }\n return [ret, null, cursor + i];\n };\n}\n\n// ISO and SQL parsing\nconst offsetRegex = /(?:(Z)|([+-]\\d\\d)(?::?(\\d\\d))?)/,\n isoTimeBaseRegex = /(\\d\\d)(?::?(\\d\\d)(?::?(\\d\\d)(?:[.,](\\d{1,30}))?)?)?/,\n isoTimeRegex = RegExp(`${isoTimeBaseRegex.source}${offsetRegex.source}?`),\n isoTimeExtensionRegex = RegExp(`(?:T${isoTimeRegex.source})?`),\n isoYmdRegex = /([+-]\\d{6}|\\d{4})(?:-?(\\d\\d)(?:-?(\\d\\d))?)?/,\n isoWeekRegex = /(\\d{4})-?W(\\d\\d)(?:-?(\\d))?/,\n isoOrdinalRegex = /(\\d{4})-?(\\d{3})/,\n extractISOWeekData = simpleParse(\"weekYear\", \"weekNumber\", \"weekDay\"),\n extractISOOrdinalData = simpleParse(\"year\", \"ordinal\"),\n sqlYmdRegex = /(\\d{4})-(\\d\\d)-(\\d\\d)/, // dumbed-down version of the ISO one\n sqlTimeRegex = RegExp(\n `${isoTimeBaseRegex.source} ?(?:${offsetRegex.source}|(${ianaRegex.source}))?`\n ),\n sqlTimeExtensionRegex = RegExp(`(?: ${sqlTimeRegex.source})?`);\n\nfunction int(match, pos, fallback) {\n const m = match[pos];\n return isUndefined(m) ? fallback : parseInteger(m);\n}\n\nfunction extractISOYmd(match, cursor) {\n const item = {\n year: int(match, cursor),\n month: int(match, cursor + 1, 1),\n day: int(match, cursor + 2, 1),\n };\n\n return [item, null, cursor + 3];\n}\n\nfunction extractISOTime(match, cursor) {\n const item = {\n hours: int(match, cursor, 0),\n minutes: int(match, cursor + 1, 0),\n seconds: int(match, cursor + 2, 0),\n milliseconds: parseMillis(match[cursor + 3]),\n };\n\n return [item, null, cursor + 4];\n}\n\nfunction extractISOOffset(match, cursor) {\n const local = !match[cursor] && !match[cursor + 1],\n fullOffset = signedOffset(match[cursor + 1], match[cursor + 2]),\n zone = local ? null : FixedOffsetZone.instance(fullOffset);\n return [{}, zone, cursor + 3];\n}\n\nfunction extractIANAZone(match, cursor) {\n const zone = match[cursor] ? IANAZone.create(match[cursor]) : null;\n return [{}, zone, cursor + 1];\n}\n\n// ISO time parsing\n\nconst isoTimeOnly = RegExp(`^T?${isoTimeBaseRegex.source}$`);\n\n// ISO duration parsing\n\nconst isoDuration =\n /^-?P(?:(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)Y)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)M)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)W)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)D)?(?:T(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)H)?(?:(-?\\d{1,9}(?:\\.\\d{1,9})?)M)?(?:(-?\\d{1,20})(?:[.,](-?\\d{1,9}))?S)?)?)$/;\n\nfunction extractISODuration(match) {\n const [s, yearStr, monthStr, weekStr, dayStr, hourStr, minuteStr, secondStr, millisecondsStr] =\n match;\n\n const hasNegativePrefix = s[0] === \"-\";\n const negativeSeconds = secondStr && secondStr[0] === \"-\";\n\n const maybeNegate = (num, force = false) =>\n num !== undefined && (force || (num && hasNegativePrefix)) ? -num : num;\n\n return [\n {\n years: maybeNegate(parseFloating(yearStr)),\n months: maybeNegate(parseFloating(monthStr)),\n weeks: maybeNegate(parseFloating(weekStr)),\n days: maybeNegate(parseFloating(dayStr)),\n hours: maybeNegate(parseFloating(hourStr)),\n minutes: maybeNegate(parseFloating(minuteStr)),\n seconds: maybeNegate(parseFloating(secondStr), secondStr === \"-0\"),\n milliseconds: maybeNegate(parseMillis(millisecondsStr), negativeSeconds),\n },\n ];\n}\n\n// These are a little braindead. EDT *should* tell us that we're in, say, America/New_York\n// and not just that we're in -240 *right now*. But since I don't think these are used that often\n// I'm just going to ignore that\nconst obsOffsets = {\n GMT: 0,\n EDT: -4 * 60,\n EST: -5 * 60,\n CDT: -5 * 60,\n CST: -6 * 60,\n MDT: -6 * 60,\n MST: -7 * 60,\n PDT: -7 * 60,\n PST: -8 * 60,\n};\n\nfunction fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {\n const result = {\n year: yearStr.length === 2 ? untruncateYear(parseInteger(yearStr)) : parseInteger(yearStr),\n month: English.monthsShort.indexOf(monthStr) + 1,\n day: parseInteger(dayStr),\n hour: parseInteger(hourStr),\n minute: parseInteger(minuteStr),\n };\n\n if (secondStr) result.second = parseInteger(secondStr);\n if (weekdayStr) {\n result.weekday =\n weekdayStr.length > 3\n ? English.weekdaysLong.indexOf(weekdayStr) + 1\n : English.weekdaysShort.indexOf(weekdayStr) + 1;\n }\n\n return result;\n}\n\n// RFC 2822/5322\nconst rfc2822 =\n /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s)?(\\d{1,2})\\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(\\d{2,4})\\s(\\d\\d):(\\d\\d)(?::(\\d\\d))?\\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|(?:([+-]\\d\\d)(\\d\\d)))$/;\n\nfunction extractRFC2822(match) {\n const [\n ,\n weekdayStr,\n dayStr,\n monthStr,\n yearStr,\n hourStr,\n minuteStr,\n secondStr,\n obsOffset,\n milOffset,\n offHourStr,\n offMinuteStr,\n ] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n\n let offset;\n if (obsOffset) {\n offset = obsOffsets[obsOffset];\n } else if (milOffset) {\n offset = 0;\n } else {\n offset = signedOffset(offHourStr, offMinuteStr);\n }\n\n return [result, new FixedOffsetZone(offset)];\n}\n\nfunction preprocessRFC2822(s) {\n // Remove comments and folding whitespace and replace multiple-spaces with a single space\n return s\n .replace(/\\([^)]*\\)|[\\n\\t]/g, \" \")\n .replace(/(\\s\\s+)/g, \" \")\n .trim();\n}\n\n// http date\n\nconst rfc1123 =\n /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\\d\\d) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\\d{4}) (\\d\\d):(\\d\\d):(\\d\\d) GMT$/,\n rfc850 =\n /^(Monday|Tuesday|Wedsday|Thursday|Friday|Saturday|Sunday), (\\d\\d)-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\\d\\d) (\\d\\d):(\\d\\d):(\\d\\d) GMT$/,\n ascii =\n /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( \\d|\\d\\d) (\\d\\d):(\\d\\d):(\\d\\d) (\\d{4})$/;\n\nfunction extractRFC1123Or850(match) {\n const [, weekdayStr, dayStr, monthStr, yearStr, hourStr, minuteStr, secondStr] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n return [result, FixedOffsetZone.utcInstance];\n}\n\nfunction extractASCII(match) {\n const [, weekdayStr, monthStr, dayStr, hourStr, minuteStr, secondStr, yearStr] = match,\n result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr);\n return [result, FixedOffsetZone.utcInstance];\n}\n\nconst isoYmdWithTimeExtensionRegex = combineRegexes(isoYmdRegex, isoTimeExtensionRegex);\nconst isoWeekWithTimeExtensionRegex = combineRegexes(isoWeekRegex, isoTimeExtensionRegex);\nconst isoOrdinalWithTimeExtensionRegex = combineRegexes(isoOrdinalRegex, isoTimeExtensionRegex);\nconst isoTimeCombinedRegex = combineRegexes(isoTimeRegex);\n\nconst extractISOYmdTimeAndOffset = combineExtractors(\n extractISOYmd,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOWeekTimeAndOffset = combineExtractors(\n extractISOWeekData,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOOrdinalDateAndTime = combineExtractors(\n extractISOOrdinalData,\n extractISOTime,\n extractISOOffset\n);\nconst extractISOTimeAndOffset = combineExtractors(extractISOTime, extractISOOffset);\n\n/**\n * @private\n */\n\nexport function parseISODate(s) {\n return parse(\n s,\n [isoYmdWithTimeExtensionRegex, extractISOYmdTimeAndOffset],\n [isoWeekWithTimeExtensionRegex, extractISOWeekTimeAndOffset],\n [isoOrdinalWithTimeExtensionRegex, extractISOOrdinalDateAndTime],\n [isoTimeCombinedRegex, extractISOTimeAndOffset]\n );\n}\n\nexport function parseRFC2822Date(s) {\n return parse(preprocessRFC2822(s), [rfc2822, extractRFC2822]);\n}\n\nexport function parseHTTPDate(s) {\n return parse(\n s,\n [rfc1123, extractRFC1123Or850],\n [rfc850, extractRFC1123Or850],\n [ascii, extractASCII]\n );\n}\n\nexport function parseISODuration(s) {\n return parse(s, [isoDuration, extractISODuration]);\n}\n\nconst extractISOTimeOnly = combineExtractors(extractISOTime);\n\nexport function parseISOTimeOnly(s) {\n return parse(s, [isoTimeOnly, extractISOTimeOnly]);\n}\n\nconst sqlYmdWithTimeExtensionRegex = combineRegexes(sqlYmdRegex, sqlTimeExtensionRegex);\nconst sqlTimeCombinedRegex = combineRegexes(sqlTimeRegex);\n\nconst extractISOYmdTimeOffsetAndIANAZone = combineExtractors(\n extractISOYmd,\n extractISOTime,\n extractISOOffset,\n extractIANAZone\n);\nconst extractISOTimeOffsetAndIANAZone = combineExtractors(\n extractISOTime,\n extractISOOffset,\n extractIANAZone\n);\n\nexport function parseSQL(s) {\n return parse(\n s,\n [sqlYmdWithTimeExtensionRegex, extractISOYmdTimeOffsetAndIANAZone],\n [sqlTimeCombinedRegex, extractISOTimeOffsetAndIANAZone]\n );\n}\n","import { InvalidArgumentError, InvalidDurationError, InvalidUnitError } from \"./errors.js\";\nimport Formatter from \"./impl/formatter.js\";\nimport Invalid from \"./impl/invalid.js\";\nimport Locale from \"./impl/locale.js\";\nimport { parseISODuration, parseISOTimeOnly } from \"./impl/regexParser.js\";\nimport {\n asNumber,\n hasOwnProperty,\n isInteger,\n isNumber,\n isUndefined,\n normalizeObject,\n roundTo,\n} from \"./impl/util.js\";\nimport Settings from \"./settings.js\";\n\nconst INVALID = \"Invalid Duration\";\n\n// unit conversion constants\nexport const lowOrderMatrix = {\n weeks: {\n days: 7,\n hours: 7 * 24,\n minutes: 7 * 24 * 60,\n seconds: 7 * 24 * 60 * 60,\n milliseconds: 7 * 24 * 60 * 60 * 1000,\n },\n days: {\n hours: 24,\n minutes: 24 * 60,\n seconds: 24 * 60 * 60,\n milliseconds: 24 * 60 * 60 * 1000,\n },\n hours: { minutes: 60, seconds: 60 * 60, milliseconds: 60 * 60 * 1000 },\n minutes: { seconds: 60, milliseconds: 60 * 1000 },\n seconds: { milliseconds: 1000 },\n },\n casualMatrix = {\n years: {\n quarters: 4,\n months: 12,\n weeks: 52,\n days: 365,\n hours: 365 * 24,\n minutes: 365 * 24 * 60,\n seconds: 365 * 24 * 60 * 60,\n milliseconds: 365 * 24 * 60 * 60 * 1000,\n },\n quarters: {\n months: 3,\n weeks: 13,\n days: 91,\n hours: 91 * 24,\n minutes: 91 * 24 * 60,\n seconds: 91 * 24 * 60 * 60,\n milliseconds: 91 * 24 * 60 * 60 * 1000,\n },\n months: {\n weeks: 4,\n days: 30,\n hours: 30 * 24,\n minutes: 30 * 24 * 60,\n seconds: 30 * 24 * 60 * 60,\n milliseconds: 30 * 24 * 60 * 60 * 1000,\n },\n\n ...lowOrderMatrix,\n },\n daysInYearAccurate = 146097.0 / 400,\n daysInMonthAccurate = 146097.0 / 4800,\n accurateMatrix = {\n years: {\n quarters: 4,\n months: 12,\n weeks: daysInYearAccurate / 7,\n days: daysInYearAccurate,\n hours: daysInYearAccurate * 24,\n minutes: daysInYearAccurate * 24 * 60,\n seconds: daysInYearAccurate * 24 * 60 * 60,\n milliseconds: daysInYearAccurate * 24 * 60 * 60 * 1000,\n },\n quarters: {\n months: 3,\n weeks: daysInYearAccurate / 28,\n days: daysInYearAccurate / 4,\n hours: (daysInYearAccurate * 24) / 4,\n minutes: (daysInYearAccurate * 24 * 60) / 4,\n seconds: (daysInYearAccurate * 24 * 60 * 60) / 4,\n milliseconds: (daysInYearAccurate * 24 * 60 * 60 * 1000) / 4,\n },\n months: {\n weeks: daysInMonthAccurate / 7,\n days: daysInMonthAccurate,\n hours: daysInMonthAccurate * 24,\n minutes: daysInMonthAccurate * 24 * 60,\n seconds: daysInMonthAccurate * 24 * 60 * 60,\n milliseconds: daysInMonthAccurate * 24 * 60 * 60 * 1000,\n },\n ...lowOrderMatrix,\n };\n\n// units ordered by size\nconst orderedUnits = [\n \"years\",\n \"quarters\",\n \"months\",\n \"weeks\",\n \"days\",\n \"hours\",\n \"minutes\",\n \"seconds\",\n \"milliseconds\",\n];\n\nconst reverseUnits = orderedUnits.slice(0).reverse();\n\n// clone really means \"create another instance just like this one, but with these changes\"\nfunction clone(dur, alts, clear = false) {\n // deep merge for vals\n const conf = {\n values: clear ? alts.values : { ...dur.values, ...(alts.values || {}) },\n loc: dur.loc.clone(alts.loc),\n conversionAccuracy: alts.conversionAccuracy || dur.conversionAccuracy,\n };\n return new Duration(conf);\n}\n\nfunction antiTrunc(n) {\n return n < 0 ? Math.floor(n) : Math.ceil(n);\n}\n\n// NB: mutates parameters\nfunction convert(matrix, fromMap, fromUnit, toMap, toUnit) {\n const conv = matrix[toUnit][fromUnit],\n raw = fromMap[fromUnit] / conv,\n sameSign = Math.sign(raw) === Math.sign(toMap[toUnit]),\n // ok, so this is wild, but see the matrix in the tests\n added =\n !sameSign && toMap[toUnit] !== 0 && Math.abs(raw) <= 1 ? antiTrunc(raw) : Math.trunc(raw);\n toMap[toUnit] += added;\n fromMap[fromUnit] -= added * conv;\n}\n\n// NB: mutates parameters\nfunction normalizeValues(matrix, vals) {\n reverseUnits.reduce((previous, current) => {\n if (!isUndefined(vals[current])) {\n if (previous) {\n convert(matrix, vals, previous, vals, current);\n }\n return current;\n } else {\n return previous;\n }\n }, null);\n}\n\n/**\n * A Duration object represents a period of time, like \"2 months\" or \"1 day, 1 hour\". Conceptually, it's just a map of units to their quantities, accompanied by some additional configuration and methods for creating, parsing, interrogating, transforming, and formatting them. They can be used on their own or in conjunction with other Luxon types; for example, you can use {@link DateTime#plus} to add a Duration object to a DateTime, producing another DateTime.\n *\n * Here is a brief overview of commonly used methods and getters in Duration:\n *\n * * **Creation** To create a Duration, use {@link Duration#fromMillis}, {@link Duration#fromObject}, or {@link Duration#fromISO}.\n * * **Unit values** See the {@link Duration#years}, {@link Duration.months}, {@link Duration#weeks}, {@link Duration#days}, {@link Duration#hours}, {@link Duration#minutes}, {@link Duration#seconds}, {@link Duration#milliseconds} accessors.\n * * **Configuration** See {@link Duration#locale} and {@link Duration#numberingSystem} accessors.\n * * **Transformation** To create new Durations out of old ones use {@link Duration#plus}, {@link Duration#minus}, {@link Duration#normalize}, {@link Duration#set}, {@link Duration#reconfigure}, {@link Duration#shiftTo}, and {@link Duration#negate}.\n * * **Output** To convert the Duration into other representations, see {@link Duration#as}, {@link Duration#toISO}, {@link Duration#toFormat}, and {@link Duration#toJSON}\n *\n * There's are more methods documented below. In addition, for more information on subtler topics like internationalization and validity, see the external documentation.\n */\nexport default class Duration {\n /**\n * @private\n */\n constructor(config) {\n const accurate = config.conversionAccuracy === \"longterm\" || false;\n /**\n * @access private\n */\n this.values = config.values;\n /**\n * @access private\n */\n this.loc = config.loc || Locale.create();\n /**\n * @access private\n */\n this.conversionAccuracy = accurate ? \"longterm\" : \"casual\";\n /**\n * @access private\n */\n this.invalid = config.invalid || null;\n /**\n * @access private\n */\n this.matrix = accurate ? accurateMatrix : casualMatrix;\n /**\n * @access private\n */\n this.isLuxonDuration = true;\n }\n\n /**\n * Create Duration from a number of milliseconds.\n * @param {number} count of milliseconds\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n static fromMillis(count, opts) {\n return Duration.fromObject({ milliseconds: count }, opts);\n }\n\n /**\n * Create a Duration from a JavaScript object with keys like 'years' and 'hours'.\n * If this object is empty then a zero milliseconds duration is returned.\n * @param {Object} obj - the object to create the DateTime from\n * @param {number} obj.years\n * @param {number} obj.quarters\n * @param {number} obj.months\n * @param {number} obj.weeks\n * @param {number} obj.days\n * @param {number} obj.hours\n * @param {number} obj.minutes\n * @param {number} obj.seconds\n * @param {number} obj.milliseconds\n * @param {Object} [opts=[]] - options for creating this Duration\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n static fromObject(obj, opts = {}) {\n if (obj == null || typeof obj !== \"object\") {\n throw new InvalidArgumentError(\n `Duration.fromObject: argument expected to be an object, got ${\n obj === null ? \"null\" : typeof obj\n }`\n );\n }\n\n return new Duration({\n values: normalizeObject(obj, Duration.normalizeUnit),\n loc: Locale.fromObject(opts),\n conversionAccuracy: opts.conversionAccuracy,\n });\n }\n\n /**\n * Create a Duration from DurationLike.\n *\n * @param {Object | number | Duration} durationLike\n * One of:\n * - object with keys like 'years' and 'hours'.\n * - number representing milliseconds\n * - Duration instance\n * @return {Duration}\n */\n static fromDurationLike(durationLike) {\n if (isNumber(durationLike)) {\n return Duration.fromMillis(durationLike);\n } else if (Duration.isDuration(durationLike)) {\n return durationLike;\n } else if (typeof durationLike === \"object\") {\n return Duration.fromObject(durationLike);\n } else {\n throw new InvalidArgumentError(\n `Unknown duration argument ${durationLike} of type ${typeof durationLike}`\n );\n }\n }\n\n /**\n * Create a Duration from an ISO 8601 duration string.\n * @param {string} text - text to parse\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @see https://en.wikipedia.org/wiki/ISO_8601#Durations\n * @example Duration.fromISO('P3Y6M1W4DT12H30M5S').toObject() //=> { years: 3, months: 6, weeks: 1, days: 4, hours: 12, minutes: 30, seconds: 5 }\n * @example Duration.fromISO('PT23H').toObject() //=> { hours: 23 }\n * @example Duration.fromISO('P5Y3M').toObject() //=> { years: 5, months: 3 }\n * @return {Duration}\n */\n static fromISO(text, opts) {\n const [parsed] = parseISODuration(text);\n if (parsed) {\n return Duration.fromObject(parsed, opts);\n } else {\n return Duration.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n }\n\n /**\n * Create a Duration from an ISO 8601 time string.\n * @param {string} text - text to parse\n * @param {Object} opts - options for parsing\n * @param {string} [opts.locale='en-US'] - the locale to use\n * @param {string} opts.numberingSystem - the numbering system to use\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @see https://en.wikipedia.org/wiki/ISO_8601#Times\n * @example Duration.fromISOTime('11:22:33.444').toObject() //=> { hours: 11, minutes: 22, seconds: 33, milliseconds: 444 }\n * @example Duration.fromISOTime('11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('T11:00').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @example Duration.fromISOTime('T1100').toObject() //=> { hours: 11, minutes: 0, seconds: 0 }\n * @return {Duration}\n */\n static fromISOTime(text, opts) {\n const [parsed] = parseISOTimeOnly(text);\n if (parsed) {\n return Duration.fromObject(parsed, opts);\n } else {\n return Duration.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n }\n\n /**\n * Create an invalid Duration.\n * @param {string} reason - simple string of why this datetime is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {Duration}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the Duration is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidDurationError(invalid);\n } else {\n return new Duration({ invalid });\n }\n }\n\n /**\n * @private\n */\n static normalizeUnit(unit) {\n const normalized = {\n year: \"years\",\n years: \"years\",\n quarter: \"quarters\",\n quarters: \"quarters\",\n month: \"months\",\n months: \"months\",\n week: \"weeks\",\n weeks: \"weeks\",\n day: \"days\",\n days: \"days\",\n hour: \"hours\",\n hours: \"hours\",\n minute: \"minutes\",\n minutes: \"minutes\",\n second: \"seconds\",\n seconds: \"seconds\",\n millisecond: \"milliseconds\",\n milliseconds: \"milliseconds\",\n }[unit ? unit.toLowerCase() : unit];\n\n if (!normalized) throw new InvalidUnitError(unit);\n\n return normalized;\n }\n\n /**\n * Check if an object is a Duration. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isDuration(o) {\n return (o && o.isLuxonDuration) || false;\n }\n\n /**\n * Get the locale of a Duration, such 'en-GB'\n * @type {string}\n */\n get locale() {\n return this.isValid ? this.loc.locale : null;\n }\n\n /**\n * Get the numbering system of a Duration, such 'beng'. The numbering system is used when formatting the Duration\n *\n * @type {string}\n */\n get numberingSystem() {\n return this.isValid ? this.loc.numberingSystem : null;\n }\n\n /**\n * Returns a string representation of this Duration formatted according to the specified format string. You may use these tokens:\n * * `S` for milliseconds\n * * `s` for seconds\n * * `m` for minutes\n * * `h` for hours\n * * `d` for days\n * * `M` for months\n * * `y` for years\n * Notes:\n * * Add padding by repeating the token, e.g. \"yy\" pads the years to two digits, \"hhhh\" pads the hours out to four digits\n * * The duration will be converted to the set of units in the format string using {@link Duration#shiftTo} and the Durations's conversion accuracy setting.\n * @param {string} fmt - the format string\n * @param {Object} opts - options\n * @param {boolean} [opts.floor=true] - floor numerical values\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"y d s\") //=> \"1 6 2\"\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"yy dd sss\") //=> \"01 06 002\"\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toFormat(\"M S\") //=> \"12 518402000\"\n * @return {string}\n */\n toFormat(fmt, opts = {}) {\n // reverse-compat since 1.2; we always round down now, never up, and we do it by default\n const fmtOpts = {\n ...opts,\n floor: opts.round !== false && opts.floor !== false,\n };\n return this.isValid\n ? Formatter.create(this.loc, fmtOpts).formatDurationFromString(this, fmt)\n : INVALID;\n }\n\n /**\n * Returns a string representation of a Duration with all units included\n * To modify its behavior use the `listStyle` and any Intl.NumberFormat option, though `unitDisplay` is especially relevant. See {@link Intl.NumberFormat}.\n * @param opts - On option object to override the formatting. Accepts the same keys as the options parameter of the native `Int.NumberFormat` constructor, as well as `listStyle`.\n * @example\n * ```js\n * var dur = Duration.fromObject({ days: 1, hours: 5, minutes: 6 })\n * dur.toHuman() //=> '1 day, 5 hours, 6 minutes'\n * dur.toHuman({ listStyle: \"long\" }) //=> '1 day, 5 hours, and 6 minutes'\n * dur.toHuman({ unitDisplay: \"short\" }) //=> '1 day, 5 hr, 6 min'\n * ```\n */\n toHuman(opts = {}) {\n const l = orderedUnits\n .map((unit) => {\n const val = this.values[unit];\n if (isUndefined(val)) {\n return null;\n }\n return this.loc\n .numberFormatter({ style: \"unit\", unitDisplay: \"long\", ...opts, unit: unit.slice(0, -1) })\n .format(val);\n })\n .filter((n) => n);\n\n return this.loc\n .listFormatter({ type: \"conjunction\", style: opts.listStyle || \"narrow\", ...opts })\n .format(l);\n }\n\n /**\n * Returns a JavaScript object with this Duration's values.\n * @example Duration.fromObject({ years: 1, days: 6, seconds: 2 }).toObject() //=> { years: 1, days: 6, seconds: 2 }\n * @return {Object}\n */\n toObject() {\n if (!this.isValid) return {};\n return { ...this.values };\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Duration.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Durations\n * @example Duration.fromObject({ years: 3, seconds: 45 }).toISO() //=> 'P3YT45S'\n * @example Duration.fromObject({ months: 4, seconds: 45 }).toISO() //=> 'P4MT45S'\n * @example Duration.fromObject({ months: 5 }).toISO() //=> 'P5M'\n * @example Duration.fromObject({ minutes: 5 }).toISO() //=> 'PT5M'\n * @example Duration.fromObject({ milliseconds: 6 }).toISO() //=> 'PT0.006S'\n * @return {string}\n */\n toISO() {\n // we could use the formatter, but this is an easier way to get the minimum string\n if (!this.isValid) return null;\n\n let s = \"P\";\n if (this.years !== 0) s += this.years + \"Y\";\n if (this.months !== 0 || this.quarters !== 0) s += this.months + this.quarters * 3 + \"M\";\n if (this.weeks !== 0) s += this.weeks + \"W\";\n if (this.days !== 0) s += this.days + \"D\";\n if (this.hours !== 0 || this.minutes !== 0 || this.seconds !== 0 || this.milliseconds !== 0)\n s += \"T\";\n if (this.hours !== 0) s += this.hours + \"H\";\n if (this.minutes !== 0) s += this.minutes + \"M\";\n if (this.seconds !== 0 || this.milliseconds !== 0)\n // this will handle \"floating point madness\" by removing extra decimal places\n // https://stackoverflow.com/questions/588004/is-floating-point-math-broken\n s += roundTo(this.seconds + this.milliseconds / 1000, 3) + \"S\";\n if (s === \"P\") s += \"T0S\";\n return s;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Duration, formatted as a time of day.\n * Note that this will return null if the duration is invalid, negative, or equal to or greater than 24 hours.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Times\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includePrefix=false] - include the `T` prefix\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example Duration.fromObject({ hours: 11 }).toISOTime() //=> '11:00:00.000'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressMilliseconds: true }) //=> '11:00:00'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ suppressSeconds: true }) //=> '11:00'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ includePrefix: true }) //=> 'T11:00:00.000'\n * @example Duration.fromObject({ hours: 11 }).toISOTime({ format: 'basic' }) //=> '110000.000'\n * @return {string}\n */\n toISOTime(opts = {}) {\n if (!this.isValid) return null;\n\n const millis = this.toMillis();\n if (millis < 0 || millis >= 86400000) return null;\n\n opts = {\n suppressMilliseconds: false,\n suppressSeconds: false,\n includePrefix: false,\n format: \"extended\",\n ...opts,\n };\n\n const value = this.shiftTo(\"hours\", \"minutes\", \"seconds\", \"milliseconds\");\n\n let fmt = opts.format === \"basic\" ? \"hhmm\" : \"hh:mm\";\n\n if (!opts.suppressSeconds || value.seconds !== 0 || value.milliseconds !== 0) {\n fmt += opts.format === \"basic\" ? \"ss\" : \":ss\";\n if (!opts.suppressMilliseconds || value.milliseconds !== 0) {\n fmt += \".SSS\";\n }\n }\n\n let str = value.toFormat(fmt);\n\n if (opts.includePrefix) {\n str = \"T\" + str;\n }\n\n return str;\n }\n\n /**\n * Returns an ISO 8601 representation of this Duration appropriate for use in JSON.\n * @return {string}\n */\n toJSON() {\n return this.toISO();\n }\n\n /**\n * Returns an ISO 8601 representation of this Duration appropriate for use in debugging.\n * @return {string}\n */\n toString() {\n return this.toISO();\n }\n\n /**\n * Returns an milliseconds value of this Duration.\n * @return {number}\n */\n toMillis() {\n return this.as(\"milliseconds\");\n }\n\n /**\n * Returns an milliseconds value of this Duration. Alias of {@link toMillis}\n * @return {number}\n */\n valueOf() {\n return this.toMillis();\n }\n\n /**\n * Make this Duration longer by the specified amount. Return a newly-constructed Duration.\n * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @return {Duration}\n */\n plus(duration) {\n if (!this.isValid) return this;\n\n const dur = Duration.fromDurationLike(duration),\n result = {};\n\n for (const k of orderedUnits) {\n if (hasOwnProperty(dur.values, k) || hasOwnProperty(this.values, k)) {\n result[k] = dur.get(k) + this.get(k);\n }\n }\n\n return clone(this, { values: result }, true);\n }\n\n /**\n * Make this Duration shorter by the specified amount. Return a newly-constructed Duration.\n * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @return {Duration}\n */\n minus(duration) {\n if (!this.isValid) return this;\n\n const dur = Duration.fromDurationLike(duration);\n return this.plus(dur.negate());\n }\n\n /**\n * Scale this Duration by the specified amount. Return a newly-constructed Duration.\n * @param {function} fn - The function to apply to each unit. Arity is 1 or 2: the value of the unit and, optionally, the unit name. Must return a number.\n * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits(x => x * 2) //=> { hours: 2, minutes: 60 }\n * @example Duration.fromObject({ hours: 1, minutes: 30 }).mapUnits((x, u) => u === \"hour\" ? x * 2 : x) //=> { hours: 2, minutes: 30 }\n * @return {Duration}\n */\n mapUnits(fn) {\n if (!this.isValid) return this;\n const result = {};\n for (const k of Object.keys(this.values)) {\n result[k] = asNumber(fn(this.values[k], k));\n }\n return clone(this, { values: result }, true);\n }\n\n /**\n * Get the value of unit.\n * @param {string} unit - a unit such as 'minute' or 'day'\n * @example Duration.fromObject({years: 2, days: 3}).get('years') //=> 2\n * @example Duration.fromObject({years: 2, days: 3}).get('months') //=> 0\n * @example Duration.fromObject({years: 2, days: 3}).get('days') //=> 3\n * @return {number}\n */\n get(unit) {\n return this[Duration.normalizeUnit(unit)];\n }\n\n /**\n * \"Set\" the values of specified units. Return a newly-constructed Duration.\n * @param {Object} values - a mapping of units to numbers\n * @example dur.set({ years: 2017 })\n * @example dur.set({ hours: 8, minutes: 30 })\n * @return {Duration}\n */\n set(values) {\n if (!this.isValid) return this;\n\n const mixed = { ...this.values, ...normalizeObject(values, Duration.normalizeUnit) };\n return clone(this, { values: mixed });\n }\n\n /**\n * \"Set\" the locale and/or numberingSystem. Returns a newly-constructed Duration.\n * @example dur.reconfigure({ locale: 'en-GB' })\n * @return {Duration}\n */\n reconfigure({ locale, numberingSystem, conversionAccuracy } = {}) {\n const loc = this.loc.clone({ locale, numberingSystem }),\n opts = { loc };\n\n if (conversionAccuracy) {\n opts.conversionAccuracy = conversionAccuracy;\n }\n\n return clone(this, opts);\n }\n\n /**\n * Return the length of the duration in the specified unit.\n * @param {string} unit - a unit such as 'minutes' or 'days'\n * @example Duration.fromObject({years: 1}).as('days') //=> 365\n * @example Duration.fromObject({years: 1}).as('months') //=> 12\n * @example Duration.fromObject({hours: 60}).as('days') //=> 2.5\n * @return {number}\n */\n as(unit) {\n return this.isValid ? this.shiftTo(unit).get(unit) : NaN;\n }\n\n /**\n * Reduce this Duration to its canonical representation in its current units.\n * @example Duration.fromObject({ years: 2, days: 5000 }).normalize().toObject() //=> { years: 15, days: 255 }\n * @example Duration.fromObject({ hours: 12, minutes: -45 }).normalize().toObject() //=> { hours: 11, minutes: 15 }\n * @return {Duration}\n */\n normalize() {\n if (!this.isValid) return this;\n const vals = this.toObject();\n normalizeValues(this.matrix, vals);\n return clone(this, { values: vals }, true);\n }\n\n /**\n * Convert this Duration into its representation in a different set of units.\n * @example Duration.fromObject({ hours: 1, seconds: 30 }).shiftTo('minutes', 'milliseconds').toObject() //=> { minutes: 60, milliseconds: 30000 }\n * @return {Duration}\n */\n shiftTo(...units) {\n if (!this.isValid) return this;\n\n if (units.length === 0) {\n return this;\n }\n\n units = units.map((u) => Duration.normalizeUnit(u));\n\n const built = {},\n accumulated = {},\n vals = this.toObject();\n let lastUnit;\n\n for (const k of orderedUnits) {\n if (units.indexOf(k) >= 0) {\n lastUnit = k;\n\n let own = 0;\n\n // anything we haven't boiled down yet should get boiled to this unit\n for (const ak in accumulated) {\n own += this.matrix[ak][k] * accumulated[ak];\n accumulated[ak] = 0;\n }\n\n // plus anything that's already in this unit\n if (isNumber(vals[k])) {\n own += vals[k];\n }\n\n const i = Math.trunc(own);\n built[k] = i;\n accumulated[k] = (own * 1000 - i * 1000) / 1000;\n\n // plus anything further down the chain that should be rolled up in to this\n for (const down in vals) {\n if (orderedUnits.indexOf(down) > orderedUnits.indexOf(k)) {\n convert(this.matrix, vals, down, built, k);\n }\n }\n // otherwise, keep it in the wings to boil it later\n } else if (isNumber(vals[k])) {\n accumulated[k] = vals[k];\n }\n }\n\n // anything leftover becomes the decimal for the last unit\n // lastUnit must be defined since units is not empty\n for (const key in accumulated) {\n if (accumulated[key] !== 0) {\n built[lastUnit] +=\n key === lastUnit ? accumulated[key] : accumulated[key] / this.matrix[lastUnit][key];\n }\n }\n\n return clone(this, { values: built }, true).normalize();\n }\n\n /**\n * Return the negative of this Duration.\n * @example Duration.fromObject({ hours: 1, seconds: 30 }).negate().toObject() //=> { hours: -1, seconds: -30 }\n * @return {Duration}\n */\n negate() {\n if (!this.isValid) return this;\n const negated = {};\n for (const k of Object.keys(this.values)) {\n negated[k] = this.values[k] === 0 ? 0 : -this.values[k];\n }\n return clone(this, { values: negated }, true);\n }\n\n /**\n * Get the years.\n * @type {number}\n */\n get years() {\n return this.isValid ? this.values.years || 0 : NaN;\n }\n\n /**\n * Get the quarters.\n * @type {number}\n */\n get quarters() {\n return this.isValid ? this.values.quarters || 0 : NaN;\n }\n\n /**\n * Get the months.\n * @type {number}\n */\n get months() {\n return this.isValid ? this.values.months || 0 : NaN;\n }\n\n /**\n * Get the weeks\n * @type {number}\n */\n get weeks() {\n return this.isValid ? this.values.weeks || 0 : NaN;\n }\n\n /**\n * Get the days.\n * @type {number}\n */\n get days() {\n return this.isValid ? this.values.days || 0 : NaN;\n }\n\n /**\n * Get the hours.\n * @type {number}\n */\n get hours() {\n return this.isValid ? this.values.hours || 0 : NaN;\n }\n\n /**\n * Get the minutes.\n * @type {number}\n */\n get minutes() {\n return this.isValid ? this.values.minutes || 0 : NaN;\n }\n\n /**\n * Get the seconds.\n * @return {number}\n */\n get seconds() {\n return this.isValid ? this.values.seconds || 0 : NaN;\n }\n\n /**\n * Get the milliseconds.\n * @return {number}\n */\n get milliseconds() {\n return this.isValid ? this.values.milliseconds || 0 : NaN;\n }\n\n /**\n * Returns whether the Duration is invalid. Invalid durations are returned by diff operations\n * on invalid DateTimes or Intervals.\n * @return {boolean}\n */\n get isValid() {\n return this.invalid === null;\n }\n\n /**\n * Returns an error code if this Duration became invalid, or null if the Duration is valid\n * @return {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this Duration became invalid, or null if the Duration is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Equality check\n * Two Durations are equal iff they have the same units and the same values for each unit.\n * @param {Duration} other\n * @return {boolean}\n */\n equals(other) {\n if (!this.isValid || !other.isValid) {\n return false;\n }\n\n if (!this.loc.equals(other.loc)) {\n return false;\n }\n\n function eq(v1, v2) {\n // Consider 0 and undefined as equal\n if (v1 === undefined || v1 === 0) return v2 === undefined || v2 === 0;\n return v1 === v2;\n }\n\n for (const u of orderedUnits) {\n if (!eq(this.values[u], other.values[u])) {\n return false;\n }\n }\n return true;\n }\n}\n","import DateTime, { friendlyDateTime } from \"./datetime.js\";\nimport Duration from \"./duration.js\";\nimport Settings from \"./settings.js\";\nimport { InvalidArgumentError, InvalidIntervalError } from \"./errors.js\";\nimport Invalid from \"./impl/invalid.js\";\n\nconst INVALID = \"Invalid Interval\";\n\n// checks if the start is equal to or before the end\nfunction validateStartEnd(start, end) {\n if (!start || !start.isValid) {\n return Interval.invalid(\"missing or invalid start\");\n } else if (!end || !end.isValid) {\n return Interval.invalid(\"missing or invalid end\");\n } else if (end < start) {\n return Interval.invalid(\n \"end before start\",\n `The end of an interval must be after its start, but you had start=${start.toISO()} and end=${end.toISO()}`\n );\n } else {\n return null;\n }\n}\n\n/**\n * An Interval object represents a half-open interval of time, where each endpoint is a {@link DateTime}. Conceptually, it's a container for those two endpoints, accompanied by methods for creating, parsing, interrogating, comparing, transforming, and formatting them.\n *\n * Here is a brief overview of the most commonly used methods and getters in Interval:\n *\n * * **Creation** To create an Interval, use {@link Interval#fromDateTimes}, {@link Interval#after}, {@link Interval#before}, or {@link Interval#fromISO}.\n * * **Accessors** Use {@link Interval#start} and {@link Interval#end} to get the start and end.\n * * **Interrogation** To analyze the Interval, use {@link Interval#count}, {@link Interval#length}, {@link Interval#hasSame}, {@link Interval#contains}, {@link Interval#isAfter}, or {@link Interval#isBefore}.\n * * **Transformation** To create other Intervals out of this one, use {@link Interval#set}, {@link Interval#splitAt}, {@link Interval#splitBy}, {@link Interval#divideEqually}, {@link Interval#merge}, {@link Interval#xor}, {@link Interval#union}, {@link Interval#intersection}, or {@link Interval#difference}.\n * * **Comparison** To compare this Interval to another one, use {@link Interval#equals}, {@link Interval#overlaps}, {@link Interval#abutsStart}, {@link Interval#abutsEnd}, {@link Interval#engulfs}\n * * **Output** To convert the Interval into other representations, see {@link Interval#toString}, {@link Interval#toISO}, {@link Interval#toISODate}, {@link Interval#toISOTime}, {@link Interval#toFormat}, and {@link Interval#toDuration}.\n */\nexport default class Interval {\n /**\n * @private\n */\n constructor(config) {\n /**\n * @access private\n */\n this.s = config.start;\n /**\n * @access private\n */\n this.e = config.end;\n /**\n * @access private\n */\n this.invalid = config.invalid || null;\n /**\n * @access private\n */\n this.isLuxonInterval = true;\n }\n\n /**\n * Create an invalid Interval.\n * @param {string} reason - simple string of why this Interval is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {Interval}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the Interval is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidIntervalError(invalid);\n } else {\n return new Interval({ invalid });\n }\n }\n\n /**\n * Create an Interval from a start DateTime and an end DateTime. Inclusive of the start but not the end.\n * @param {DateTime|Date|Object} start\n * @param {DateTime|Date|Object} end\n * @return {Interval}\n */\n static fromDateTimes(start, end) {\n const builtStart = friendlyDateTime(start),\n builtEnd = friendlyDateTime(end);\n\n const validateError = validateStartEnd(builtStart, builtEnd);\n\n if (validateError == null) {\n return new Interval({\n start: builtStart,\n end: builtEnd,\n });\n } else {\n return validateError;\n }\n }\n\n /**\n * Create an Interval from a start DateTime and a Duration to extend to.\n * @param {DateTime|Date|Object} start\n * @param {Duration|Object|number} duration - the length of the Interval.\n * @return {Interval}\n */\n static after(start, duration) {\n const dur = Duration.fromDurationLike(duration),\n dt = friendlyDateTime(start);\n return Interval.fromDateTimes(dt, dt.plus(dur));\n }\n\n /**\n * Create an Interval from an end DateTime and a Duration to extend backwards to.\n * @param {DateTime|Date|Object} end\n * @param {Duration|Object|number} duration - the length of the Interval.\n * @return {Interval}\n */\n static before(end, duration) {\n const dur = Duration.fromDurationLike(duration),\n dt = friendlyDateTime(end);\n return Interval.fromDateTimes(dt.minus(dur), dt);\n }\n\n /**\n * Create an Interval from an ISO 8601 string.\n * Accepts `/`, `/`, and `/` formats.\n * @param {string} text - the ISO string to parse\n * @param {Object} [opts] - options to pass {@link DateTime#fromISO} and optionally {@link Duration#fromISO}\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @return {Interval}\n */\n static fromISO(text, opts) {\n const [s, e] = (text || \"\").split(\"/\", 2);\n if (s && e) {\n let start, startIsValid;\n try {\n start = DateTime.fromISO(s, opts);\n startIsValid = start.isValid;\n } catch (e) {\n startIsValid = false;\n }\n\n let end, endIsValid;\n try {\n end = DateTime.fromISO(e, opts);\n endIsValid = end.isValid;\n } catch (e) {\n endIsValid = false;\n }\n\n if (startIsValid && endIsValid) {\n return Interval.fromDateTimes(start, end);\n }\n\n if (startIsValid) {\n const dur = Duration.fromISO(e, opts);\n if (dur.isValid) {\n return Interval.after(start, dur);\n }\n } else if (endIsValid) {\n const dur = Duration.fromISO(s, opts);\n if (dur.isValid) {\n return Interval.before(end, dur);\n }\n }\n }\n return Interval.invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ISO 8601`);\n }\n\n /**\n * Check if an object is an Interval. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isInterval(o) {\n return (o && o.isLuxonInterval) || false;\n }\n\n /**\n * Returns the start of the Interval\n * @type {DateTime}\n */\n get start() {\n return this.isValid ? this.s : null;\n }\n\n /**\n * Returns the end of the Interval\n * @type {DateTime}\n */\n get end() {\n return this.isValid ? this.e : null;\n }\n\n /**\n * Returns whether this Interval's end is at least its start, meaning that the Interval isn't 'backwards'.\n * @type {boolean}\n */\n get isValid() {\n return this.invalidReason === null;\n }\n\n /**\n * Returns an error code if this Interval is invalid, or null if the Interval is valid\n * @type {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this Interval became invalid, or null if the Interval is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Returns the length of the Interval in the specified unit.\n * @param {string} unit - the unit (such as 'hours' or 'days') to return the length in.\n * @return {number}\n */\n length(unit = \"milliseconds\") {\n return this.isValid ? this.toDuration(...[unit]).get(unit) : NaN;\n }\n\n /**\n * Returns the count of minutes, hours, days, months, or years included in the Interval, even in part.\n * Unlike {@link Interval#length} this counts sections of the calendar, not periods of time, e.g. specifying 'day'\n * asks 'what dates are included in this interval?', not 'how many days long is this interval?'\n * @param {string} [unit='milliseconds'] - the unit of time to count.\n * @return {number}\n */\n count(unit = \"milliseconds\") {\n if (!this.isValid) return NaN;\n const start = this.start.startOf(unit),\n end = this.end.startOf(unit);\n return Math.floor(end.diff(start, unit).get(unit)) + 1;\n }\n\n /**\n * Returns whether this Interval's start and end are both in the same unit of time\n * @param {string} unit - the unit of time to check sameness on\n * @return {boolean}\n */\n hasSame(unit) {\n return this.isValid ? this.isEmpty() || this.e.minus(1).hasSame(this.s, unit) : false;\n }\n\n /**\n * Return whether this Interval has the same start and end DateTimes.\n * @return {boolean}\n */\n isEmpty() {\n return this.s.valueOf() === this.e.valueOf();\n }\n\n /**\n * Return whether this Interval's start is after the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n isAfter(dateTime) {\n if (!this.isValid) return false;\n return this.s > dateTime;\n }\n\n /**\n * Return whether this Interval's end is before the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n isBefore(dateTime) {\n if (!this.isValid) return false;\n return this.e <= dateTime;\n }\n\n /**\n * Return whether this Interval contains the specified DateTime.\n * @param {DateTime} dateTime\n * @return {boolean}\n */\n contains(dateTime) {\n if (!this.isValid) return false;\n return this.s <= dateTime && this.e > dateTime;\n }\n\n /**\n * \"Sets\" the start and/or end dates. Returns a newly-constructed Interval.\n * @param {Object} values - the values to set\n * @param {DateTime} values.start - the starting DateTime\n * @param {DateTime} values.end - the ending DateTime\n * @return {Interval}\n */\n set({ start, end } = {}) {\n if (!this.isValid) return this;\n return Interval.fromDateTimes(start || this.s, end || this.e);\n }\n\n /**\n * Split this Interval at each of the specified DateTimes\n * @param {...DateTime} dateTimes - the unit of time to count.\n * @return {Array}\n */\n splitAt(...dateTimes) {\n if (!this.isValid) return [];\n const sorted = dateTimes\n .map(friendlyDateTime)\n .filter((d) => this.contains(d))\n .sort(),\n results = [];\n let { s } = this,\n i = 0;\n\n while (s < this.e) {\n const added = sorted[i] || this.e,\n next = +added > +this.e ? this.e : added;\n results.push(Interval.fromDateTimes(s, next));\n s = next;\n i += 1;\n }\n\n return results;\n }\n\n /**\n * Split this Interval into smaller Intervals, each of the specified length.\n * Left over time is grouped into a smaller interval\n * @param {Duration|Object|number} duration - The length of each resulting interval.\n * @return {Array}\n */\n splitBy(duration) {\n const dur = Duration.fromDurationLike(duration);\n\n if (!this.isValid || !dur.isValid || dur.as(\"milliseconds\") === 0) {\n return [];\n }\n\n let { s } = this,\n idx = 1,\n next;\n\n const results = [];\n while (s < this.e) {\n const added = this.start.plus(dur.mapUnits((x) => x * idx));\n next = +added > +this.e ? this.e : added;\n results.push(Interval.fromDateTimes(s, next));\n s = next;\n idx += 1;\n }\n\n return results;\n }\n\n /**\n * Split this Interval into the specified number of smaller intervals.\n * @param {number} numberOfParts - The number of Intervals to divide the Interval into.\n * @return {Array}\n */\n divideEqually(numberOfParts) {\n if (!this.isValid) return [];\n return this.splitBy(this.length() / numberOfParts).slice(0, numberOfParts);\n }\n\n /**\n * Return whether this Interval overlaps with the specified Interval\n * @param {Interval} other\n * @return {boolean}\n */\n overlaps(other) {\n return this.e > other.s && this.s < other.e;\n }\n\n /**\n * Return whether this Interval's end is adjacent to the specified Interval's start.\n * @param {Interval} other\n * @return {boolean}\n */\n abutsStart(other) {\n if (!this.isValid) return false;\n return +this.e === +other.s;\n }\n\n /**\n * Return whether this Interval's start is adjacent to the specified Interval's end.\n * @param {Interval} other\n * @return {boolean}\n */\n abutsEnd(other) {\n if (!this.isValid) return false;\n return +other.e === +this.s;\n }\n\n /**\n * Return whether this Interval engulfs the start and end of the specified Interval.\n * @param {Interval} other\n * @return {boolean}\n */\n engulfs(other) {\n if (!this.isValid) return false;\n return this.s <= other.s && this.e >= other.e;\n }\n\n /**\n * Return whether this Interval has the same start and end as the specified Interval.\n * @param {Interval} other\n * @return {boolean}\n */\n equals(other) {\n if (!this.isValid || !other.isValid) {\n return false;\n }\n\n return this.s.equals(other.s) && this.e.equals(other.e);\n }\n\n /**\n * Return an Interval representing the intersection of this Interval and the specified Interval.\n * Specifically, the resulting Interval has the maximum start time and the minimum end time of the two Intervals.\n * Returns null if the intersection is empty, meaning, the intervals don't intersect.\n * @param {Interval} other\n * @return {Interval}\n */\n intersection(other) {\n if (!this.isValid) return this;\n const s = this.s > other.s ? this.s : other.s,\n e = this.e < other.e ? this.e : other.e;\n\n if (s >= e) {\n return null;\n } else {\n return Interval.fromDateTimes(s, e);\n }\n }\n\n /**\n * Return an Interval representing the union of this Interval and the specified Interval.\n * Specifically, the resulting Interval has the minimum start time and the maximum end time of the two Intervals.\n * @param {Interval} other\n * @return {Interval}\n */\n union(other) {\n if (!this.isValid) return this;\n const s = this.s < other.s ? this.s : other.s,\n e = this.e > other.e ? this.e : other.e;\n return Interval.fromDateTimes(s, e);\n }\n\n /**\n * Merge an array of Intervals into a equivalent minimal set of Intervals.\n * Combines overlapping and adjacent Intervals.\n * @param {Array} intervals\n * @return {Array}\n */\n static merge(intervals) {\n const [found, final] = intervals\n .sort((a, b) => a.s - b.s)\n .reduce(\n ([sofar, current], item) => {\n if (!current) {\n return [sofar, item];\n } else if (current.overlaps(item) || current.abutsStart(item)) {\n return [sofar, current.union(item)];\n } else {\n return [sofar.concat([current]), item];\n }\n },\n [[], null]\n );\n if (final) {\n found.push(final);\n }\n return found;\n }\n\n /**\n * Return an array of Intervals representing the spans of time that only appear in one of the specified Intervals.\n * @param {Array} intervals\n * @return {Array}\n */\n static xor(intervals) {\n let start = null,\n currentCount = 0;\n const results = [],\n ends = intervals.map((i) => [\n { time: i.s, type: \"s\" },\n { time: i.e, type: \"e\" },\n ]),\n flattened = Array.prototype.concat(...ends),\n arr = flattened.sort((a, b) => a.time - b.time);\n\n for (const i of arr) {\n currentCount += i.type === \"s\" ? 1 : -1;\n\n if (currentCount === 1) {\n start = i.time;\n } else {\n if (start && +start !== +i.time) {\n results.push(Interval.fromDateTimes(start, i.time));\n }\n\n start = null;\n }\n }\n\n return Interval.merge(results);\n }\n\n /**\n * Return an Interval representing the span of time in this Interval that doesn't overlap with any of the specified Intervals.\n * @param {...Interval} intervals\n * @return {Array}\n */\n difference(...intervals) {\n return Interval.xor([this].concat(intervals))\n .map((i) => this.intersection(i))\n .filter((i) => i && !i.isEmpty());\n }\n\n /**\n * Returns a string representation of this Interval appropriate for debugging.\n * @return {string}\n */\n toString() {\n if (!this.isValid) return INVALID;\n return `[${this.s.toISO()} – ${this.e.toISO()})`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this Interval.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @param {Object} opts - The same options as {@link DateTime#toISO}\n * @return {string}\n */\n toISO(opts) {\n if (!this.isValid) return INVALID;\n return `${this.s.toISO(opts)}/${this.e.toISO(opts)}`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of date of this Interval.\n * The time components are ignored.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @return {string}\n */\n toISODate() {\n if (!this.isValid) return INVALID;\n return `${this.s.toISODate()}/${this.e.toISODate()}`;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of time of this Interval.\n * The date components are ignored.\n * @see https://en.wikipedia.org/wiki/ISO_8601#Time_intervals\n * @param {Object} opts - The same options as {@link DateTime#toISO}\n * @return {string}\n */\n toISOTime(opts) {\n if (!this.isValid) return INVALID;\n return `${this.s.toISOTime(opts)}/${this.e.toISOTime(opts)}`;\n }\n\n /**\n * Returns a string representation of this Interval formatted according to the specified format string.\n * @param {string} dateFormat - the format string. This string formats the start and end time. See {@link DateTime#toFormat} for details.\n * @param {Object} opts - options\n * @param {string} [opts.separator = ' – '] - a separator to place between the start and end representations\n * @return {string}\n */\n toFormat(dateFormat, { separator = \" – \" } = {}) {\n if (!this.isValid) return INVALID;\n return `${this.s.toFormat(dateFormat)}${separator}${this.e.toFormat(dateFormat)}`;\n }\n\n /**\n * Return a Duration representing the time spanned by this interval.\n * @param {string|string[]} [unit=['milliseconds']] - the unit or units (such as 'hours' or 'days') to include in the duration.\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @example Interval.fromDateTimes(dt1, dt2).toDuration().toObject() //=> { milliseconds: 88489257 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration('days').toObject() //=> { days: 1.0241812152777778 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes']).toObject() //=> { hours: 24, minutes: 34.82095 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration(['hours', 'minutes', 'seconds']).toObject() //=> { hours: 24, minutes: 34, seconds: 49.257 }\n * @example Interval.fromDateTimes(dt1, dt2).toDuration('seconds').toObject() //=> { seconds: 88489.257 }\n * @return {Duration}\n */\n toDuration(unit, opts) {\n if (!this.isValid) {\n return Duration.invalid(this.invalidReason);\n }\n return this.e.diff(this.s, unit, opts);\n }\n\n /**\n * Run mapFn on the interval start and end, returning a new Interval from the resulting DateTimes\n * @param {function} mapFn\n * @return {Interval}\n * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.toUTC())\n * @example Interval.fromDateTimes(dt1, dt2).mapEndpoints(endpoint => endpoint.plus({ hours: 2 }))\n */\n mapEndpoints(mapFn) {\n return Interval.fromDateTimes(mapFn(this.s), mapFn(this.e));\n }\n}\n","import DateTime from \"./datetime.js\";\nimport Settings from \"./settings.js\";\nimport Locale from \"./impl/locale.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\n\nimport { hasRelative } from \"./impl/util.js\";\n\n/**\n * The Info class contains static methods for retrieving general time and date related data. For example, it has methods for finding out if a time zone has a DST, for listing the months in any supported locale, and for discovering which of Luxon features are available in the current environment.\n */\nexport default class Info {\n /**\n * Return whether the specified zone contains a DST.\n * @param {string|Zone} [zone='local'] - Zone to check. Defaults to the environment's local zone.\n * @return {boolean}\n */\n static hasDST(zone = Settings.defaultZone) {\n const proto = DateTime.now().setZone(zone).set({ month: 12 });\n\n return !zone.isUniversal && proto.offset !== proto.set({ month: 6 }).offset;\n }\n\n /**\n * Return whether the specified zone is a valid IANA specifier.\n * @param {string} zone - Zone to check\n * @return {boolean}\n */\n static isValidIANAZone(zone) {\n return IANAZone.isValidZone(zone);\n }\n\n /**\n * Converts the input into a {@link Zone} instance.\n *\n * * If `input` is already a Zone instance, it is returned unchanged.\n * * If `input` is a string containing a valid time zone name, a Zone instance\n * with that name is returned.\n * * If `input` is a string that doesn't refer to a known time zone, a Zone\n * instance with {@link Zone#isValid} == false is returned.\n * * If `input is a number, a Zone instance with the specified fixed offset\n * in minutes is returned.\n * * If `input` is `null` or `undefined`, the default zone is returned.\n * @param {string|Zone|number} [input] - the value to be converted\n * @return {Zone}\n */\n static normalizeZone(input) {\n return normalizeZone(input, Settings.defaultZone);\n }\n\n /**\n * Return an array of standalone month names.\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param {string} [length='long'] - the length of the month representation, such as \"numeric\", \"2-digit\", \"narrow\", \"short\", \"long\"\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @param {string} [opts.outputCalendar='gregory'] - the calendar\n * @example Info.months()[0] //=> 'January'\n * @example Info.months('short')[0] //=> 'Jan'\n * @example Info.months('numeric')[0] //=> '1'\n * @example Info.months('short', { locale: 'fr-CA' } )[0] //=> 'janv.'\n * @example Info.months('numeric', { locale: 'ar' })[0] //=> '١'\n * @example Info.months('long', { outputCalendar: 'islamic' })[0] //=> 'Rabiʻ I'\n * @return {Array}\n */\n static months(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null, outputCalendar = \"gregory\" } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length);\n }\n\n /**\n * Return an array of format month names.\n * Format months differ from standalone months in that they're meant to appear next to the day of the month. In some languages, that\n * changes the string.\n * See {@link Info#months}\n * @param {string} [length='long'] - the length of the month representation, such as \"numeric\", \"2-digit\", \"narrow\", \"short\", \"long\"\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @param {string} [opts.outputCalendar='gregory'] - the calendar\n * @return {Array}\n */\n static monthsFormat(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null, outputCalendar = \"gregory\" } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, outputCalendar)).months(length, true);\n }\n\n /**\n * Return an array of standalone week names.\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param {string} [length='long'] - the length of the weekday representation, such as \"narrow\", \"short\", \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @example Info.weekdays()[0] //=> 'Monday'\n * @example Info.weekdays('short')[0] //=> 'Mon'\n * @example Info.weekdays('short', { locale: 'fr-CA' })[0] //=> 'lun.'\n * @example Info.weekdays('short', { locale: 'ar' })[0] //=> 'الاثنين'\n * @return {Array}\n */\n static weekdays(length = \"long\", { locale = null, numberingSystem = null, locObj = null } = {}) {\n return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length);\n }\n\n /**\n * Return an array of format week names.\n * Format weekdays differ from standalone weekdays in that they're meant to appear next to more date information. In some languages, that\n * changes the string.\n * See {@link Info#weekdays}\n * @param {string} [length='long'] - the length of the month representation, such as \"narrow\", \"short\", \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale=null] - the locale code\n * @param {string} [opts.numberingSystem=null] - the numbering system\n * @param {string} [opts.locObj=null] - an existing locale object to use\n * @return {Array}\n */\n static weekdaysFormat(\n length = \"long\",\n { locale = null, numberingSystem = null, locObj = null } = {}\n ) {\n return (locObj || Locale.create(locale, numberingSystem, null)).weekdays(length, true);\n }\n\n /**\n * Return an array of meridiems.\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @example Info.meridiems() //=> [ 'AM', 'PM' ]\n * @example Info.meridiems({ locale: 'my' }) //=> [ 'နံနက်', 'ညနေ' ]\n * @return {Array}\n */\n static meridiems({ locale = null } = {}) {\n return Locale.create(locale).meridiems();\n }\n\n /**\n * Return an array of eras, such as ['BC', 'AD']. The locale can be specified, but the calendar system is always Gregorian.\n * @param {string} [length='short'] - the length of the era representation, such as \"short\" or \"long\".\n * @param {Object} opts - options\n * @param {string} [opts.locale] - the locale code\n * @example Info.eras() //=> [ 'BC', 'AD' ]\n * @example Info.eras('long') //=> [ 'Before Christ', 'Anno Domini' ]\n * @example Info.eras('long', { locale: 'fr' }) //=> [ 'avant Jésus-Christ', 'après Jésus-Christ' ]\n * @return {Array}\n */\n static eras(length = \"short\", { locale = null } = {}) {\n return Locale.create(locale, null, \"gregory\").eras(length);\n }\n\n /**\n * Return the set of available features in this environment.\n * Some features of Luxon are not available in all environments. For example, on older browsers, relative time formatting support is not available. Use this function to figure out if that's the case.\n * Keys:\n * * `relative`: whether this environment supports relative time formatting\n * @example Info.features() //=> { relative: false }\n * @return {Object}\n */\n static features() {\n return { relative: hasRelative() };\n }\n}\n","import Duration from \"../duration.js\";\n\nfunction dayDiff(earlier, later) {\n const utcDayStart = (dt) => dt.toUTC(0, { keepLocalTime: true }).startOf(\"day\").valueOf(),\n ms = utcDayStart(later) - utcDayStart(earlier);\n return Math.floor(Duration.fromMillis(ms).as(\"days\"));\n}\n\nfunction highOrderDiffs(cursor, later, units) {\n const differs = [\n [\"years\", (a, b) => b.year - a.year],\n [\"quarters\", (a, b) => b.quarter - a.quarter],\n [\"months\", (a, b) => b.month - a.month + (b.year - a.year) * 12],\n [\n \"weeks\",\n (a, b) => {\n const days = dayDiff(a, b);\n return (days - (days % 7)) / 7;\n },\n ],\n [\"days\", dayDiff],\n ];\n\n const results = {};\n let lowestOrder, highWater;\n\n for (const [unit, differ] of differs) {\n if (units.indexOf(unit) >= 0) {\n lowestOrder = unit;\n\n let delta = differ(cursor, later);\n highWater = cursor.plus({ [unit]: delta });\n\n if (highWater > later) {\n cursor = cursor.plus({ [unit]: delta - 1 });\n delta -= 1;\n } else {\n cursor = highWater;\n }\n\n results[unit] = delta;\n }\n }\n\n return [cursor, results, highWater, lowestOrder];\n}\n\nexport default function (earlier, later, units, opts) {\n let [cursor, results, highWater, lowestOrder] = highOrderDiffs(earlier, later, units);\n\n const remainingMillis = later - cursor;\n\n const lowerOrderUnits = units.filter(\n (u) => [\"hours\", \"minutes\", \"seconds\", \"milliseconds\"].indexOf(u) >= 0\n );\n\n if (lowerOrderUnits.length === 0) {\n if (highWater < later) {\n highWater = cursor.plus({ [lowestOrder]: 1 });\n }\n\n if (highWater !== cursor) {\n results[lowestOrder] = (results[lowestOrder] || 0) + remainingMillis / (highWater - cursor);\n }\n }\n\n const duration = Duration.fromObject(results, opts);\n\n if (lowerOrderUnits.length > 0) {\n return Duration.fromMillis(remainingMillis, opts)\n .shiftTo(...lowerOrderUnits)\n .plus(duration);\n } else {\n return duration;\n }\n}\n","const numberingSystems = {\n arab: \"[\\u0660-\\u0669]\",\n arabext: \"[\\u06F0-\\u06F9]\",\n bali: \"[\\u1B50-\\u1B59]\",\n beng: \"[\\u09E6-\\u09EF]\",\n deva: \"[\\u0966-\\u096F]\",\n fullwide: \"[\\uFF10-\\uFF19]\",\n gujr: \"[\\u0AE6-\\u0AEF]\",\n hanidec: \"[〇|一|二|三|四|五|六|七|八|九]\",\n khmr: \"[\\u17E0-\\u17E9]\",\n knda: \"[\\u0CE6-\\u0CEF]\",\n laoo: \"[\\u0ED0-\\u0ED9]\",\n limb: \"[\\u1946-\\u194F]\",\n mlym: \"[\\u0D66-\\u0D6F]\",\n mong: \"[\\u1810-\\u1819]\",\n mymr: \"[\\u1040-\\u1049]\",\n orya: \"[\\u0B66-\\u0B6F]\",\n tamldec: \"[\\u0BE6-\\u0BEF]\",\n telu: \"[\\u0C66-\\u0C6F]\",\n thai: \"[\\u0E50-\\u0E59]\",\n tibt: \"[\\u0F20-\\u0F29]\",\n latn: \"\\\\d\",\n};\n\nconst numberingSystemsUTF16 = {\n arab: [1632, 1641],\n arabext: [1776, 1785],\n bali: [6992, 7001],\n beng: [2534, 2543],\n deva: [2406, 2415],\n fullwide: [65296, 65303],\n gujr: [2790, 2799],\n khmr: [6112, 6121],\n knda: [3302, 3311],\n laoo: [3792, 3801],\n limb: [6470, 6479],\n mlym: [3430, 3439],\n mong: [6160, 6169],\n mymr: [4160, 4169],\n orya: [2918, 2927],\n tamldec: [3046, 3055],\n telu: [3174, 3183],\n thai: [3664, 3673],\n tibt: [3872, 3881],\n};\n\nconst hanidecChars = numberingSystems.hanidec.replace(/[\\[|\\]]/g, \"\").split(\"\");\n\nexport function parseDigits(str) {\n let value = parseInt(str, 10);\n if (isNaN(value)) {\n value = \"\";\n for (let i = 0; i < str.length; i++) {\n const code = str.charCodeAt(i);\n\n if (str[i].search(numberingSystems.hanidec) !== -1) {\n value += hanidecChars.indexOf(str[i]);\n } else {\n for (const key in numberingSystemsUTF16) {\n const [min, max] = numberingSystemsUTF16[key];\n if (code >= min && code <= max) {\n value += code - min;\n }\n }\n }\n }\n return parseInt(value, 10);\n } else {\n return value;\n }\n}\n\nexport function digitRegex({ numberingSystem }, append = \"\") {\n return new RegExp(`${numberingSystems[numberingSystem || \"latn\"]}${append}`);\n}\n","import { parseMillis, isUndefined, untruncateYear, signedOffset, hasOwnProperty } from \"./util.js\";\nimport Formatter from \"./formatter.js\";\nimport FixedOffsetZone from \"../zones/fixedOffsetZone.js\";\nimport IANAZone from \"../zones/IANAZone.js\";\nimport DateTime from \"../datetime.js\";\nimport { digitRegex, parseDigits } from \"./digits.js\";\nimport { ConflictingSpecificationError } from \"../errors.js\";\n\nconst MISSING_FTP = \"missing Intl.DateTimeFormat.formatToParts support\";\n\nfunction intUnit(regex, post = (i) => i) {\n return { regex, deser: ([s]) => post(parseDigits(s)) };\n}\n\nconst NBSP = String.fromCharCode(160);\nconst spaceOrNBSP = `( |${NBSP})`;\nconst spaceOrNBSPRegExp = new RegExp(spaceOrNBSP, \"g\");\n\nfunction fixListRegex(s) {\n // make dots optional and also make them literal\n // make space and non breakable space characters interchangeable\n return s.replace(/\\./g, \"\\\\.?\").replace(spaceOrNBSPRegExp, spaceOrNBSP);\n}\n\nfunction stripInsensitivities(s) {\n return s\n .replace(/\\./g, \"\") // ignore dots that were made optional\n .replace(spaceOrNBSPRegExp, \" \") // interchange space and nbsp\n .toLowerCase();\n}\n\nfunction oneOf(strings, startIndex) {\n if (strings === null) {\n return null;\n } else {\n return {\n regex: RegExp(strings.map(fixListRegex).join(\"|\")),\n deser: ([s]) =>\n strings.findIndex((i) => stripInsensitivities(s) === stripInsensitivities(i)) + startIndex,\n };\n }\n}\n\nfunction offset(regex, groups) {\n return { regex, deser: ([, h, m]) => signedOffset(h, m), groups };\n}\n\nfunction simple(regex) {\n return { regex, deser: ([s]) => s };\n}\n\nfunction escapeToken(value) {\n return value.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, \"\\\\$&\");\n}\n\nfunction unitForToken(token, loc) {\n const one = digitRegex(loc),\n two = digitRegex(loc, \"{2}\"),\n three = digitRegex(loc, \"{3}\"),\n four = digitRegex(loc, \"{4}\"),\n six = digitRegex(loc, \"{6}\"),\n oneOrTwo = digitRegex(loc, \"{1,2}\"),\n oneToThree = digitRegex(loc, \"{1,3}\"),\n oneToSix = digitRegex(loc, \"{1,6}\"),\n oneToNine = digitRegex(loc, \"{1,9}\"),\n twoToFour = digitRegex(loc, \"{2,4}\"),\n fourToSix = digitRegex(loc, \"{4,6}\"),\n literal = (t) => ({ regex: RegExp(escapeToken(t.val)), deser: ([s]) => s, literal: true }),\n unitate = (t) => {\n if (token.literal) {\n return literal(t);\n }\n switch (t.val) {\n // era\n case \"G\":\n return oneOf(loc.eras(\"short\", false), 0);\n case \"GG\":\n return oneOf(loc.eras(\"long\", false), 0);\n // years\n case \"y\":\n return intUnit(oneToSix);\n case \"yy\":\n return intUnit(twoToFour, untruncateYear);\n case \"yyyy\":\n return intUnit(four);\n case \"yyyyy\":\n return intUnit(fourToSix);\n case \"yyyyyy\":\n return intUnit(six);\n // months\n case \"M\":\n return intUnit(oneOrTwo);\n case \"MM\":\n return intUnit(two);\n case \"MMM\":\n return oneOf(loc.months(\"short\", true, false), 1);\n case \"MMMM\":\n return oneOf(loc.months(\"long\", true, false), 1);\n case \"L\":\n return intUnit(oneOrTwo);\n case \"LL\":\n return intUnit(two);\n case \"LLL\":\n return oneOf(loc.months(\"short\", false, false), 1);\n case \"LLLL\":\n return oneOf(loc.months(\"long\", false, false), 1);\n // dates\n case \"d\":\n return intUnit(oneOrTwo);\n case \"dd\":\n return intUnit(two);\n // ordinals\n case \"o\":\n return intUnit(oneToThree);\n case \"ooo\":\n return intUnit(three);\n // time\n case \"HH\":\n return intUnit(two);\n case \"H\":\n return intUnit(oneOrTwo);\n case \"hh\":\n return intUnit(two);\n case \"h\":\n return intUnit(oneOrTwo);\n case \"mm\":\n return intUnit(two);\n case \"m\":\n return intUnit(oneOrTwo);\n case \"q\":\n return intUnit(oneOrTwo);\n case \"qq\":\n return intUnit(two);\n case \"s\":\n return intUnit(oneOrTwo);\n case \"ss\":\n return intUnit(two);\n case \"S\":\n return intUnit(oneToThree);\n case \"SSS\":\n return intUnit(three);\n case \"u\":\n return simple(oneToNine);\n case \"uu\":\n return simple(oneOrTwo);\n case \"uuu\":\n return intUnit(one);\n // meridiem\n case \"a\":\n return oneOf(loc.meridiems(), 0);\n // weekYear (k)\n case \"kkkk\":\n return intUnit(four);\n case \"kk\":\n return intUnit(twoToFour, untruncateYear);\n // weekNumber (W)\n case \"W\":\n return intUnit(oneOrTwo);\n case \"WW\":\n return intUnit(two);\n // weekdays\n case \"E\":\n case \"c\":\n return intUnit(one);\n case \"EEE\":\n return oneOf(loc.weekdays(\"short\", false, false), 1);\n case \"EEEE\":\n return oneOf(loc.weekdays(\"long\", false, false), 1);\n case \"ccc\":\n return oneOf(loc.weekdays(\"short\", true, false), 1);\n case \"cccc\":\n return oneOf(loc.weekdays(\"long\", true, false), 1);\n // offset/zone\n case \"Z\":\n case \"ZZ\":\n return offset(new RegExp(`([+-]${oneOrTwo.source})(?::(${two.source}))?`), 2);\n case \"ZZZ\":\n return offset(new RegExp(`([+-]${oneOrTwo.source})(${two.source})?`), 2);\n // we don't support ZZZZ (PST) or ZZZZZ (Pacific Standard Time) in parsing\n // because we don't have any way to figure out what they are\n case \"z\":\n return simple(/[a-z_+-/]{1,256}?/i);\n default:\n return literal(t);\n }\n };\n\n const unit = unitate(token) || {\n invalidReason: MISSING_FTP,\n };\n\n unit.token = token;\n\n return unit;\n}\n\nconst partTypeStyleToTokenVal = {\n year: {\n \"2-digit\": \"yy\",\n numeric: \"yyyyy\",\n },\n month: {\n numeric: \"M\",\n \"2-digit\": \"MM\",\n short: \"MMM\",\n long: \"MMMM\",\n },\n day: {\n numeric: \"d\",\n \"2-digit\": \"dd\",\n },\n weekday: {\n short: \"EEE\",\n long: \"EEEE\",\n },\n dayperiod: \"a\",\n dayPeriod: \"a\",\n hour: {\n numeric: \"h\",\n \"2-digit\": \"hh\",\n },\n minute: {\n numeric: \"m\",\n \"2-digit\": \"mm\",\n },\n second: {\n numeric: \"s\",\n \"2-digit\": \"ss\",\n },\n};\n\nfunction tokenForPart(part, locale, formatOpts) {\n const { type, value } = part;\n\n if (type === \"literal\") {\n return {\n literal: true,\n val: value,\n };\n }\n\n const style = formatOpts[type];\n\n let val = partTypeStyleToTokenVal[type];\n if (typeof val === \"object\") {\n val = val[style];\n }\n\n if (val) {\n return {\n literal: false,\n val,\n };\n }\n\n return undefined;\n}\n\nfunction buildRegex(units) {\n const re = units.map((u) => u.regex).reduce((f, r) => `${f}(${r.source})`, \"\");\n return [`^${re}$`, units];\n}\n\nfunction match(input, regex, handlers) {\n const matches = input.match(regex);\n\n if (matches) {\n const all = {};\n let matchIndex = 1;\n for (const i in handlers) {\n if (hasOwnProperty(handlers, i)) {\n const h = handlers[i],\n groups = h.groups ? h.groups + 1 : 1;\n if (!h.literal && h.token) {\n all[h.token.val[0]] = h.deser(matches.slice(matchIndex, matchIndex + groups));\n }\n matchIndex += groups;\n }\n }\n return [matches, all];\n } else {\n return [matches, {}];\n }\n}\n\nfunction dateTimeFromMatches(matches) {\n const toField = (token) => {\n switch (token) {\n case \"S\":\n return \"millisecond\";\n case \"s\":\n return \"second\";\n case \"m\":\n return \"minute\";\n case \"h\":\n case \"H\":\n return \"hour\";\n case \"d\":\n return \"day\";\n case \"o\":\n return \"ordinal\";\n case \"L\":\n case \"M\":\n return \"month\";\n case \"y\":\n return \"year\";\n case \"E\":\n case \"c\":\n return \"weekday\";\n case \"W\":\n return \"weekNumber\";\n case \"k\":\n return \"weekYear\";\n case \"q\":\n return \"quarter\";\n default:\n return null;\n }\n };\n\n let zone = null;\n let specificOffset;\n if (!isUndefined(matches.z)) {\n zone = IANAZone.create(matches.z);\n }\n\n if (!isUndefined(matches.Z)) {\n if (!zone) {\n zone = new FixedOffsetZone(matches.Z);\n }\n specificOffset = matches.Z;\n }\n\n if (!isUndefined(matches.q)) {\n matches.M = (matches.q - 1) * 3 + 1;\n }\n\n if (!isUndefined(matches.h)) {\n if (matches.h < 12 && matches.a === 1) {\n matches.h += 12;\n } else if (matches.h === 12 && matches.a === 0) {\n matches.h = 0;\n }\n }\n\n if (matches.G === 0 && matches.y) {\n matches.y = -matches.y;\n }\n\n if (!isUndefined(matches.u)) {\n matches.S = parseMillis(matches.u);\n }\n\n const vals = Object.keys(matches).reduce((r, k) => {\n const f = toField(k);\n if (f) {\n r[f] = matches[k];\n }\n\n return r;\n }, {});\n\n return [vals, zone, specificOffset];\n}\n\nlet dummyDateTimeCache = null;\n\nfunction getDummyDateTime() {\n if (!dummyDateTimeCache) {\n dummyDateTimeCache = DateTime.fromMillis(1555555555555);\n }\n\n return dummyDateTimeCache;\n}\n\nfunction maybeExpandMacroToken(token, locale) {\n if (token.literal) {\n return token;\n }\n\n const formatOpts = Formatter.macroTokenToFormatOpts(token.val);\n\n if (!formatOpts) {\n return token;\n }\n\n const formatter = Formatter.create(locale, formatOpts);\n const parts = formatter.formatDateTimeParts(getDummyDateTime());\n\n const tokens = parts.map((p) => tokenForPart(p, locale, formatOpts));\n\n if (tokens.includes(undefined)) {\n return token;\n }\n\n return tokens;\n}\n\nfunction expandMacroTokens(tokens, locale) {\n return Array.prototype.concat(...tokens.map((t) => maybeExpandMacroToken(t, locale)));\n}\n\n/**\n * @private\n */\n\nexport function explainFromTokens(locale, input, format) {\n const tokens = expandMacroTokens(Formatter.parseFormat(format), locale),\n units = tokens.map((t) => unitForToken(t, locale)),\n disqualifyingUnit = units.find((t) => t.invalidReason);\n\n if (disqualifyingUnit) {\n return { input, tokens, invalidReason: disqualifyingUnit.invalidReason };\n } else {\n const [regexString, handlers] = buildRegex(units),\n regex = RegExp(regexString, \"i\"),\n [rawMatches, matches] = match(input, regex, handlers),\n [result, zone, specificOffset] = matches\n ? dateTimeFromMatches(matches)\n : [null, null, undefined];\n if (hasOwnProperty(matches, \"a\") && hasOwnProperty(matches, \"H\")) {\n throw new ConflictingSpecificationError(\n \"Can't include meridiem when specifying 24-hour format\"\n );\n }\n return { input, tokens, regex, rawMatches, matches, result, zone, specificOffset };\n }\n}\n\nexport function parseFromTokens(locale, input, format) {\n const { result, zone, specificOffset, invalidReason } = explainFromTokens(locale, input, format);\n return [result, zone, specificOffset, invalidReason];\n}\n","import {\n integerBetween,\n isLeapYear,\n timeObject,\n daysInYear,\n daysInMonth,\n weeksInWeekYear,\n isInteger,\n} from \"./util.js\";\nimport Invalid from \"./invalid.js\";\n\nconst nonLeapLadder = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334],\n leapLadder = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335];\n\nfunction unitOutOfRange(unit, value) {\n return new Invalid(\n \"unit out of range\",\n `you specified ${value} (of type ${typeof value}) as a ${unit}, which is invalid`\n );\n}\n\nfunction dayOfWeek(year, month, day) {\n const js = new Date(Date.UTC(year, month - 1, day)).getUTCDay();\n return js === 0 ? 7 : js;\n}\n\nfunction computeOrdinal(year, month, day) {\n return day + (isLeapYear(year) ? leapLadder : nonLeapLadder)[month - 1];\n}\n\nfunction uncomputeOrdinal(year, ordinal) {\n const table = isLeapYear(year) ? leapLadder : nonLeapLadder,\n month0 = table.findIndex((i) => i < ordinal),\n day = ordinal - table[month0];\n return { month: month0 + 1, day };\n}\n\n/**\n * @private\n */\n\nexport function gregorianToWeek(gregObj) {\n const { year, month, day } = gregObj,\n ordinal = computeOrdinal(year, month, day),\n weekday = dayOfWeek(year, month, day);\n\n let weekNumber = Math.floor((ordinal - weekday + 10) / 7),\n weekYear;\n\n if (weekNumber < 1) {\n weekYear = year - 1;\n weekNumber = weeksInWeekYear(weekYear);\n } else if (weekNumber > weeksInWeekYear(year)) {\n weekYear = year + 1;\n weekNumber = 1;\n } else {\n weekYear = year;\n }\n\n return { weekYear, weekNumber, weekday, ...timeObject(gregObj) };\n}\n\nexport function weekToGregorian(weekData) {\n const { weekYear, weekNumber, weekday } = weekData,\n weekdayOfJan4 = dayOfWeek(weekYear, 1, 4),\n yearInDays = daysInYear(weekYear);\n\n let ordinal = weekNumber * 7 + weekday - weekdayOfJan4 - 3,\n year;\n\n if (ordinal < 1) {\n year = weekYear - 1;\n ordinal += daysInYear(year);\n } else if (ordinal > yearInDays) {\n year = weekYear + 1;\n ordinal -= daysInYear(weekYear);\n } else {\n year = weekYear;\n }\n\n const { month, day } = uncomputeOrdinal(year, ordinal);\n return { year, month, day, ...timeObject(weekData) };\n}\n\nexport function gregorianToOrdinal(gregData) {\n const { year, month, day } = gregData;\n const ordinal = computeOrdinal(year, month, day);\n return { year, ordinal, ...timeObject(gregData) };\n}\n\nexport function ordinalToGregorian(ordinalData) {\n const { year, ordinal } = ordinalData;\n const { month, day } = uncomputeOrdinal(year, ordinal);\n return { year, month, day, ...timeObject(ordinalData) };\n}\n\nexport function hasInvalidWeekData(obj) {\n const validYear = isInteger(obj.weekYear),\n validWeek = integerBetween(obj.weekNumber, 1, weeksInWeekYear(obj.weekYear)),\n validWeekday = integerBetween(obj.weekday, 1, 7);\n\n if (!validYear) {\n return unitOutOfRange(\"weekYear\", obj.weekYear);\n } else if (!validWeek) {\n return unitOutOfRange(\"week\", obj.week);\n } else if (!validWeekday) {\n return unitOutOfRange(\"weekday\", obj.weekday);\n } else return false;\n}\n\nexport function hasInvalidOrdinalData(obj) {\n const validYear = isInteger(obj.year),\n validOrdinal = integerBetween(obj.ordinal, 1, daysInYear(obj.year));\n\n if (!validYear) {\n return unitOutOfRange(\"year\", obj.year);\n } else if (!validOrdinal) {\n return unitOutOfRange(\"ordinal\", obj.ordinal);\n } else return false;\n}\n\nexport function hasInvalidGregorianData(obj) {\n const validYear = isInteger(obj.year),\n validMonth = integerBetween(obj.month, 1, 12),\n validDay = integerBetween(obj.day, 1, daysInMonth(obj.year, obj.month));\n\n if (!validYear) {\n return unitOutOfRange(\"year\", obj.year);\n } else if (!validMonth) {\n return unitOutOfRange(\"month\", obj.month);\n } else if (!validDay) {\n return unitOutOfRange(\"day\", obj.day);\n } else return false;\n}\n\nexport function hasInvalidTimeData(obj) {\n const { hour, minute, second, millisecond } = obj;\n const validHour =\n integerBetween(hour, 0, 23) ||\n (hour === 24 && minute === 0 && second === 0 && millisecond === 0),\n validMinute = integerBetween(minute, 0, 59),\n validSecond = integerBetween(second, 0, 59),\n validMillisecond = integerBetween(millisecond, 0, 999);\n\n if (!validHour) {\n return unitOutOfRange(\"hour\", hour);\n } else if (!validMinute) {\n return unitOutOfRange(\"minute\", minute);\n } else if (!validSecond) {\n return unitOutOfRange(\"second\", second);\n } else if (!validMillisecond) {\n return unitOutOfRange(\"millisecond\", millisecond);\n } else return false;\n}\n","import Duration from \"./duration.js\";\nimport Interval from \"./interval.js\";\nimport Settings from \"./settings.js\";\nimport Info from \"./info.js\";\nimport Formatter from \"./impl/formatter.js\";\nimport FixedOffsetZone from \"./zones/fixedOffsetZone.js\";\nimport Locale from \"./impl/locale.js\";\nimport {\n isUndefined,\n maybeArray,\n isDate,\n isNumber,\n bestBy,\n daysInMonth,\n daysInYear,\n isLeapYear,\n weeksInWeekYear,\n normalizeObject,\n roundTo,\n objToLocalTS,\n padStart,\n} from \"./impl/util.js\";\nimport { normalizeZone } from \"./impl/zoneUtil.js\";\nimport diff from \"./impl/diff.js\";\nimport { parseRFC2822Date, parseISODate, parseHTTPDate, parseSQL } from \"./impl/regexParser.js\";\nimport { parseFromTokens, explainFromTokens } from \"./impl/tokenParser.js\";\nimport {\n gregorianToWeek,\n weekToGregorian,\n gregorianToOrdinal,\n ordinalToGregorian,\n hasInvalidGregorianData,\n hasInvalidWeekData,\n hasInvalidOrdinalData,\n hasInvalidTimeData,\n} from \"./impl/conversions.js\";\nimport * as Formats from \"./impl/formats.js\";\nimport {\n InvalidArgumentError,\n ConflictingSpecificationError,\n InvalidUnitError,\n InvalidDateTimeError,\n} from \"./errors.js\";\nimport Invalid from \"./impl/invalid.js\";\n\nconst INVALID = \"Invalid DateTime\";\nconst MAX_DATE = 8.64e15;\n\nfunction unsupportedZone(zone) {\n return new Invalid(\"unsupported zone\", `the zone \"${zone.name}\" is not supported`);\n}\n\n// we cache week data on the DT object and this intermediates the cache\nfunction possiblyCachedWeekData(dt) {\n if (dt.weekData === null) {\n dt.weekData = gregorianToWeek(dt.c);\n }\n return dt.weekData;\n}\n\n// clone really means, \"make a new object with these modifications\". all \"setters\" really use this\n// to create a new object while only changing some of the properties\nfunction clone(inst, alts) {\n const current = {\n ts: inst.ts,\n zone: inst.zone,\n c: inst.c,\n o: inst.o,\n loc: inst.loc,\n invalid: inst.invalid,\n };\n return new DateTime({ ...current, ...alts, old: current });\n}\n\n// find the right offset a given local time. The o input is our guess, which determines which\n// offset we'll pick in ambiguous cases (e.g. there are two 3 AMs b/c Fallback DST)\nfunction fixOffset(localTS, o, tz) {\n // Our UTC time is just a guess because our offset is just a guess\n let utcGuess = localTS - o * 60 * 1000;\n\n // Test whether the zone matches the offset for this ts\n const o2 = tz.offset(utcGuess);\n\n // If so, offset didn't change and we're done\n if (o === o2) {\n return [utcGuess, o];\n }\n\n // If not, change the ts by the difference in the offset\n utcGuess -= (o2 - o) * 60 * 1000;\n\n // If that gives us the local time we want, we're done\n const o3 = tz.offset(utcGuess);\n if (o2 === o3) {\n return [utcGuess, o2];\n }\n\n // If it's different, we're in a hole time. The offset has changed, but the we don't adjust the time\n return [localTS - Math.min(o2, o3) * 60 * 1000, Math.max(o2, o3)];\n}\n\n// convert an epoch timestamp into a calendar object with the given offset\nfunction tsToObj(ts, offset) {\n ts += offset * 60 * 1000;\n\n const d = new Date(ts);\n\n return {\n year: d.getUTCFullYear(),\n month: d.getUTCMonth() + 1,\n day: d.getUTCDate(),\n hour: d.getUTCHours(),\n minute: d.getUTCMinutes(),\n second: d.getUTCSeconds(),\n millisecond: d.getUTCMilliseconds(),\n };\n}\n\n// convert a calendar object to a epoch timestamp\nfunction objToTS(obj, offset, zone) {\n return fixOffset(objToLocalTS(obj), offset, zone);\n}\n\n// create a new DT instance by adding a duration, adjusting for DSTs\nfunction adjustTime(inst, dur) {\n const oPre = inst.o,\n year = inst.c.year + Math.trunc(dur.years),\n month = inst.c.month + Math.trunc(dur.months) + Math.trunc(dur.quarters) * 3,\n c = {\n ...inst.c,\n year,\n month,\n day:\n Math.min(inst.c.day, daysInMonth(year, month)) +\n Math.trunc(dur.days) +\n Math.trunc(dur.weeks) * 7,\n },\n millisToAdd = Duration.fromObject({\n years: dur.years - Math.trunc(dur.years),\n quarters: dur.quarters - Math.trunc(dur.quarters),\n months: dur.months - Math.trunc(dur.months),\n weeks: dur.weeks - Math.trunc(dur.weeks),\n days: dur.days - Math.trunc(dur.days),\n hours: dur.hours,\n minutes: dur.minutes,\n seconds: dur.seconds,\n milliseconds: dur.milliseconds,\n }).as(\"milliseconds\"),\n localTS = objToLocalTS(c);\n\n let [ts, o] = fixOffset(localTS, oPre, inst.zone);\n\n if (millisToAdd !== 0) {\n ts += millisToAdd;\n // that could have changed the offset by going over a DST, but we want to keep the ts the same\n o = inst.zone.offset(ts);\n }\n\n return { ts, o };\n}\n\n// helper useful in turning the results of parsing into real dates\n// by handling the zone options\nfunction parseDataToDateTime(parsed, parsedZone, opts, format, text, specificOffset) {\n const { setZone, zone } = opts;\n if (parsed && Object.keys(parsed).length !== 0) {\n const interpretationZone = parsedZone || zone,\n inst = DateTime.fromObject(parsed, {\n ...opts,\n zone: interpretationZone,\n specificOffset,\n });\n return setZone ? inst : inst.setZone(zone);\n } else {\n return DateTime.invalid(\n new Invalid(\"unparsable\", `the input \"${text}\" can't be parsed as ${format}`)\n );\n }\n}\n\n// if you want to output a technical format (e.g. RFC 2822), this helper\n// helps handle the details\nfunction toTechFormat(dt, format, allowZ = true) {\n return dt.isValid\n ? Formatter.create(Locale.create(\"en-US\"), {\n allowZ,\n forceSimple: true,\n }).formatDateTimeFromString(dt, format)\n : null;\n}\n\nfunction toISODate(o, extended) {\n const longFormat = o.c.year > 9999 || o.c.year < 0;\n let c = \"\";\n if (longFormat && o.c.year >= 0) c += \"+\";\n c += padStart(o.c.year, longFormat ? 6 : 4);\n\n if (extended) {\n c += \"-\";\n c += padStart(o.c.month);\n c += \"-\";\n c += padStart(o.c.day);\n } else {\n c += padStart(o.c.month);\n c += padStart(o.c.day);\n }\n return c;\n}\n\nfunction toISOTime(o, extended, suppressSeconds, suppressMilliseconds, includeOffset) {\n let c = padStart(o.c.hour);\n if (extended) {\n c += \":\";\n c += padStart(o.c.minute);\n if (o.c.second !== 0 || !suppressSeconds) {\n c += \":\";\n }\n } else {\n c += padStart(o.c.minute);\n }\n\n if (o.c.second !== 0 || !suppressSeconds) {\n c += padStart(o.c.second);\n\n if (o.c.millisecond !== 0 || !suppressMilliseconds) {\n c += \".\";\n c += padStart(o.c.millisecond, 3);\n }\n }\n\n if (includeOffset) {\n if (o.isOffsetFixed && o.offset === 0) {\n c += \"Z\";\n } else if (o.o < 0) {\n c += \"-\";\n c += padStart(Math.trunc(-o.o / 60));\n c += \":\";\n c += padStart(Math.trunc(-o.o % 60));\n } else {\n c += \"+\";\n c += padStart(Math.trunc(o.o / 60));\n c += \":\";\n c += padStart(Math.trunc(o.o % 60));\n }\n }\n return c;\n}\n\n// defaults for unspecified units in the supported calendars\nconst defaultUnitValues = {\n month: 1,\n day: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n },\n defaultWeekUnitValues = {\n weekNumber: 1,\n weekday: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n },\n defaultOrdinalUnitValues = {\n ordinal: 1,\n hour: 0,\n minute: 0,\n second: 0,\n millisecond: 0,\n };\n\n// Units in the supported calendars, sorted by bigness\nconst orderedUnits = [\"year\", \"month\", \"day\", \"hour\", \"minute\", \"second\", \"millisecond\"],\n orderedWeekUnits = [\n \"weekYear\",\n \"weekNumber\",\n \"weekday\",\n \"hour\",\n \"minute\",\n \"second\",\n \"millisecond\",\n ],\n orderedOrdinalUnits = [\"year\", \"ordinal\", \"hour\", \"minute\", \"second\", \"millisecond\"];\n\n// standardize case and plurality in units\nfunction normalizeUnit(unit) {\n const normalized = {\n year: \"year\",\n years: \"year\",\n month: \"month\",\n months: \"month\",\n day: \"day\",\n days: \"day\",\n hour: \"hour\",\n hours: \"hour\",\n minute: \"minute\",\n minutes: \"minute\",\n quarter: \"quarter\",\n quarters: \"quarter\",\n second: \"second\",\n seconds: \"second\",\n millisecond: \"millisecond\",\n milliseconds: \"millisecond\",\n weekday: \"weekday\",\n weekdays: \"weekday\",\n weeknumber: \"weekNumber\",\n weeksnumber: \"weekNumber\",\n weeknumbers: \"weekNumber\",\n weekyear: \"weekYear\",\n weekyears: \"weekYear\",\n ordinal: \"ordinal\",\n }[unit.toLowerCase()];\n\n if (!normalized) throw new InvalidUnitError(unit);\n\n return normalized;\n}\n\n// this is a dumbed down version of fromObject() that runs about 60% faster\n// but doesn't do any validation, makes a bunch of assumptions about what units\n// are present, and so on.\n\n// this is a dumbed down version of fromObject() that runs about 60% faster\n// but doesn't do any validation, makes a bunch of assumptions about what units\n// are present, and so on.\nfunction quickDT(obj, opts) {\n const zone = normalizeZone(opts.zone, Settings.defaultZone),\n loc = Locale.fromObject(opts),\n tsNow = Settings.now();\n\n let ts, o;\n\n // assume we have the higher-order units\n if (!isUndefined(obj.year)) {\n for (const u of orderedUnits) {\n if (isUndefined(obj[u])) {\n obj[u] = defaultUnitValues[u];\n }\n }\n\n const invalid = hasInvalidGregorianData(obj) || hasInvalidTimeData(obj);\n if (invalid) {\n return DateTime.invalid(invalid);\n }\n\n const offsetProvis = zone.offset(tsNow);\n [ts, o] = objToTS(obj, offsetProvis, zone);\n } else {\n ts = tsNow;\n }\n\n return new DateTime({ ts, zone, loc, o });\n}\n\nfunction diffRelative(start, end, opts) {\n const round = isUndefined(opts.round) ? true : opts.round,\n format = (c, unit) => {\n c = roundTo(c, round || opts.calendary ? 0 : 2, true);\n const formatter = end.loc.clone(opts).relFormatter(opts);\n return formatter.format(c, unit);\n },\n differ = (unit) => {\n if (opts.calendary) {\n if (!end.hasSame(start, unit)) {\n return end.startOf(unit).diff(start.startOf(unit), unit).get(unit);\n } else return 0;\n } else {\n return end.diff(start, unit).get(unit);\n }\n };\n\n if (opts.unit) {\n return format(differ(opts.unit), opts.unit);\n }\n\n for (const unit of opts.units) {\n const count = differ(unit);\n if (Math.abs(count) >= 1) {\n return format(count, unit);\n }\n }\n return format(start > end ? -0 : 0, opts.units[opts.units.length - 1]);\n}\n\nfunction lastOpts(argList) {\n let opts = {},\n args;\n if (argList.length > 0 && typeof argList[argList.length - 1] === \"object\") {\n opts = argList[argList.length - 1];\n args = Array.from(argList).slice(0, argList.length - 1);\n } else {\n args = Array.from(argList);\n }\n return [opts, args];\n}\n\n/**\n * A DateTime is an immutable data structure representing a specific date and time and accompanying methods. It contains class and instance methods for creating, parsing, interrogating, transforming, and formatting them.\n *\n * A DateTime comprises of:\n * * A timestamp. Each DateTime instance refers to a specific millisecond of the Unix epoch.\n * * A time zone. Each instance is considered in the context of a specific zone (by default the local system's zone).\n * * Configuration properties that effect how output strings are formatted, such as `locale`, `numberingSystem`, and `outputCalendar`.\n *\n * Here is a brief overview of the most commonly used functionality it provides:\n *\n * * **Creation**: To create a DateTime from its components, use one of its factory class methods: {@link DateTime#local}, {@link DateTime#utc}, and (most flexibly) {@link DateTime#fromObject}. To create one from a standard string format, use {@link DateTime#fromISO}, {@link DateTime#fromHTTP}, and {@link DateTime#fromRFC2822}. To create one from a custom string format, use {@link DateTime#fromFormat}. To create one from a native JS date, use {@link DateTime#fromJSDate}.\n * * **Gregorian calendar and time**: To examine the Gregorian properties of a DateTime individually (i.e as opposed to collectively through {@link DateTime#toObject}), use the {@link DateTime#year}, {@link DateTime#month},\n * {@link DateTime#day}, {@link DateTime#hour}, {@link DateTime#minute}, {@link DateTime#second}, {@link DateTime#millisecond} accessors.\n * * **Week calendar**: For ISO week calendar attributes, see the {@link DateTime#weekYear}, {@link DateTime#weekNumber}, and {@link DateTime#weekday} accessors.\n * * **Configuration** See the {@link DateTime#locale} and {@link DateTime#numberingSystem} accessors.\n * * **Transformation**: To transform the DateTime into other DateTimes, use {@link DateTime#set}, {@link DateTime#reconfigure}, {@link DateTime#setZone}, {@link DateTime#setLocale}, {@link DateTime.plus}, {@link DateTime#minus}, {@link DateTime#endOf}, {@link DateTime#startOf}, {@link DateTime#toUTC}, and {@link DateTime#toLocal}.\n * * **Output**: To convert the DateTime to other representations, use the {@link DateTime#toRelative}, {@link DateTime#toRelativeCalendar}, {@link DateTime#toJSON}, {@link DateTime#toISO}, {@link DateTime#toHTTP}, {@link DateTime#toObject}, {@link DateTime#toRFC2822}, {@link DateTime#toString}, {@link DateTime#toLocaleString}, {@link DateTime#toFormat}, {@link DateTime#toMillis} and {@link DateTime#toJSDate}.\n *\n * There's plenty others documented below. In addition, for more information on subtler topics like internationalization, time zones, alternative calendars, validity, and so on, see the external documentation.\n */\nexport default class DateTime {\n /**\n * @access private\n */\n constructor(config) {\n const zone = config.zone || Settings.defaultZone;\n\n let invalid =\n config.invalid ||\n (Number.isNaN(config.ts) ? new Invalid(\"invalid input\") : null) ||\n (!zone.isValid ? unsupportedZone(zone) : null);\n /**\n * @access private\n */\n this.ts = isUndefined(config.ts) ? Settings.now() : config.ts;\n\n let c = null,\n o = null;\n if (!invalid) {\n const unchanged = config.old && config.old.ts === this.ts && config.old.zone.equals(zone);\n\n if (unchanged) {\n [c, o] = [config.old.c, config.old.o];\n } else {\n const ot = zone.offset(this.ts);\n c = tsToObj(this.ts, ot);\n invalid = Number.isNaN(c.year) ? new Invalid(\"invalid input\") : null;\n c = invalid ? null : c;\n o = invalid ? null : ot;\n }\n }\n\n /**\n * @access private\n */\n this._zone = zone;\n /**\n * @access private\n */\n this.loc = config.loc || Locale.create();\n /**\n * @access private\n */\n this.invalid = invalid;\n /**\n * @access private\n */\n this.weekData = null;\n /**\n * @access private\n */\n this.c = c;\n /**\n * @access private\n */\n this.o = o;\n /**\n * @access private\n */\n this.isLuxonDateTime = true;\n }\n\n // CONSTRUCT\n\n /**\n * Create a DateTime for the current instant, in the system's time zone.\n *\n * Use Settings to override these default values if needed.\n * @example DateTime.now().toISO() //~> now in the ISO format\n * @return {DateTime}\n */\n static now() {\n return new DateTime({});\n }\n\n /**\n * Create a local DateTime\n * @param {number} [year] - The calendar year. If omitted (as in, call `local()` with no arguments), the current time will be used\n * @param {number} [month=1] - The month, 1-indexed\n * @param {number} [day=1] - The day of the month, 1-indexed\n * @param {number} [hour=0] - The hour of the day, in 24-hour time\n * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59\n * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59\n * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999\n * @example DateTime.local() //~> now\n * @example DateTime.local({ zone: \"America/New_York\" }) //~> now, in US east coast time\n * @example DateTime.local(2017) //~> 2017-01-01T00:00:00\n * @example DateTime.local(2017, 3) //~> 2017-03-01T00:00:00\n * @example DateTime.local(2017, 3, 12, { locale: \"fr\" }) //~> 2017-03-12T00:00:00, with a French locale\n * @example DateTime.local(2017, 3, 12, 5) //~> 2017-03-12T05:00:00\n * @example DateTime.local(2017, 3, 12, 5, { zone: \"utc\" }) //~> 2017-03-12T05:00:00, in UTC\n * @example DateTime.local(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00\n * @example DateTime.local(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10\n * @example DateTime.local(2017, 3, 12, 5, 45, 10, 765) //~> 2017-03-12T05:45:10.765\n * @return {DateTime}\n */\n static local() {\n const [opts, args] = lastOpts(arguments),\n [year, month, day, hour, minute, second, millisecond] = args;\n return quickDT({ year, month, day, hour, minute, second, millisecond }, opts);\n }\n\n /**\n * Create a DateTime in UTC\n * @param {number} [year] - The calendar year. If omitted (as in, call `utc()` with no arguments), the current time will be used\n * @param {number} [month=1] - The month, 1-indexed\n * @param {number} [day=1] - The day of the month\n * @param {number} [hour=0] - The hour of the day, in 24-hour time\n * @param {number} [minute=0] - The minute of the hour, meaning a number between 0 and 59\n * @param {number} [second=0] - The second of the minute, meaning a number between 0 and 59\n * @param {number} [millisecond=0] - The millisecond of the second, meaning a number between 0 and 999\n * @param {Object} options - configuration options for the DateTime\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} [options.outputCalendar] - the output calendar to set on the resulting DateTime instance\n * @param {string} [options.numberingSystem] - the numbering system to set on the resulting DateTime instance\n * @example DateTime.utc() //~> now\n * @example DateTime.utc(2017) //~> 2017-01-01T00:00:00Z\n * @example DateTime.utc(2017, 3) //~> 2017-03-01T00:00:00Z\n * @example DateTime.utc(2017, 3, 12) //~> 2017-03-12T00:00:00Z\n * @example DateTime.utc(2017, 3, 12, 5) //~> 2017-03-12T05:00:00Z\n * @example DateTime.utc(2017, 3, 12, 5, 45) //~> 2017-03-12T05:45:00Z\n * @example DateTime.utc(2017, 3, 12, 5, 45, { locale: \"fr\" }) //~> 2017-03-12T05:45:00Z with a French locale\n * @example DateTime.utc(2017, 3, 12, 5, 45, 10) //~> 2017-03-12T05:45:10Z\n * @example DateTime.utc(2017, 3, 12, 5, 45, 10, 765, { locale: \"fr\" }) //~> 2017-03-12T05:45:10.765Z with a French locale\n * @return {DateTime}\n */\n static utc() {\n const [opts, args] = lastOpts(arguments),\n [year, month, day, hour, minute, second, millisecond] = args;\n\n opts.zone = FixedOffsetZone.utcInstance;\n return quickDT({ year, month, day, hour, minute, second, millisecond }, opts);\n }\n\n /**\n * Create a DateTime from a JavaScript Date object. Uses the default zone.\n * @param {Date} date - a JavaScript Date object\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @return {DateTime}\n */\n static fromJSDate(date, options = {}) {\n const ts = isDate(date) ? date.valueOf() : NaN;\n if (Number.isNaN(ts)) {\n return DateTime.invalid(\"invalid input\");\n }\n\n const zoneToUse = normalizeZone(options.zone, Settings.defaultZone);\n if (!zoneToUse.isValid) {\n return DateTime.invalid(unsupportedZone(zoneToUse));\n }\n\n return new DateTime({\n ts: ts,\n zone: zoneToUse,\n loc: Locale.fromObject(options),\n });\n }\n\n /**\n * Create a DateTime from a number of milliseconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone.\n * @param {number} milliseconds - a number of milliseconds since 1970 UTC\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromMillis(milliseconds, options = {}) {\n if (!isNumber(milliseconds)) {\n throw new InvalidArgumentError(\n `fromMillis requires a numerical input, but received a ${typeof milliseconds} with value ${milliseconds}`\n );\n } else if (milliseconds < -MAX_DATE || milliseconds > MAX_DATE) {\n // this isn't perfect because because we can still end up out of range because of additional shifting, but it's a start\n return DateTime.invalid(\"Timestamp out of range\");\n } else {\n return new DateTime({\n ts: milliseconds,\n zone: normalizeZone(options.zone, Settings.defaultZone),\n loc: Locale.fromObject(options),\n });\n }\n }\n\n /**\n * Create a DateTime from a number of seconds since the epoch (meaning since 1 January 1970 00:00:00 UTC). Uses the default zone.\n * @param {number} seconds - a number of seconds since 1970 UTC\n * @param {Object} options - configuration options for the DateTime\n * @param {string|Zone} [options.zone='local'] - the zone to place the DateTime into\n * @param {string} [options.locale] - a locale to set on the resulting DateTime instance\n * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromSeconds(seconds, options = {}) {\n if (!isNumber(seconds)) {\n throw new InvalidArgumentError(\"fromSeconds requires a numerical input\");\n } else {\n return new DateTime({\n ts: seconds * 1000,\n zone: normalizeZone(options.zone, Settings.defaultZone),\n loc: Locale.fromObject(options),\n });\n }\n }\n\n /**\n * Create a DateTime from a JavaScript object with keys like 'year' and 'hour' with reasonable defaults.\n * @param {Object} obj - the object to create the DateTime from\n * @param {number} obj.year - a year, such as 1987\n * @param {number} obj.month - a month, 1-12\n * @param {number} obj.day - a day of the month, 1-31, depending on the month\n * @param {number} obj.ordinal - day of the year, 1-365 or 366\n * @param {number} obj.weekYear - an ISO week year\n * @param {number} obj.weekNumber - an ISO week number, between 1 and 52 or 53, depending on the year\n * @param {number} obj.weekday - an ISO weekday, 1-7, where 1 is Monday and 7 is Sunday\n * @param {number} obj.hour - hour of the day, 0-23\n * @param {number} obj.minute - minute of the hour, 0-59\n * @param {number} obj.second - second of the minute, 0-59\n * @param {number} obj.millisecond - millisecond of the second, 0-999\n * @param {Object} opts - options for creating this DateTime\n * @param {string|Zone} [opts.zone='local'] - interpret the numbers in the context of a particular zone. Can take any value taken as the first argument to setZone()\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromObject({ year: 1982, month: 5, day: 25}).toISODate() //=> '1982-05-25'\n * @example DateTime.fromObject({ year: 1982 }).toISODate() //=> '1982-01-01'\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }) //~> today at 10:26:06\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'utc' }),\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'local' })\n * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }, { zone: 'America/New_York' })\n * @example DateTime.fromObject({ weekYear: 2016, weekNumber: 2, weekday: 3 }).toISODate() //=> '2016-01-13'\n * @return {DateTime}\n */\n static fromObject(obj, opts = {}) {\n obj = obj || {};\n const zoneToUse = normalizeZone(opts.zone, Settings.defaultZone);\n if (!zoneToUse.isValid) {\n return DateTime.invalid(unsupportedZone(zoneToUse));\n }\n\n const tsNow = Settings.now(),\n offsetProvis = !isUndefined(opts.specificOffset)\n ? opts.specificOffset\n : zoneToUse.offset(tsNow),\n normalized = normalizeObject(obj, normalizeUnit),\n containsOrdinal = !isUndefined(normalized.ordinal),\n containsGregorYear = !isUndefined(normalized.year),\n containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day),\n containsGregor = containsGregorYear || containsGregorMD,\n definiteWeekDef = normalized.weekYear || normalized.weekNumber,\n loc = Locale.fromObject(opts);\n\n // cases:\n // just a weekday -> this week's instance of that weekday, no worries\n // (gregorian data or ordinal) + (weekYear or weekNumber) -> error\n // (gregorian month or day) + ordinal -> error\n // otherwise just use weeks or ordinals or gregorian, depending on what's specified\n\n if ((containsGregor || containsOrdinal) && definiteWeekDef) {\n throw new ConflictingSpecificationError(\n \"Can't mix weekYear/weekNumber units with year/month/day or ordinals\"\n );\n }\n\n if (containsGregorMD && containsOrdinal) {\n throw new ConflictingSpecificationError(\"Can't mix ordinal dates with month/day\");\n }\n\n const useWeekData = definiteWeekDef || (normalized.weekday && !containsGregor);\n\n // configure ourselves to deal with gregorian dates or week stuff\n let units,\n defaultValues,\n objNow = tsToObj(tsNow, offsetProvis);\n if (useWeekData) {\n units = orderedWeekUnits;\n defaultValues = defaultWeekUnitValues;\n objNow = gregorianToWeek(objNow);\n } else if (containsOrdinal) {\n units = orderedOrdinalUnits;\n defaultValues = defaultOrdinalUnitValues;\n objNow = gregorianToOrdinal(objNow);\n } else {\n units = orderedUnits;\n defaultValues = defaultUnitValues;\n }\n\n // set default values for missing stuff\n let foundFirst = false;\n for (const u of units) {\n const v = normalized[u];\n if (!isUndefined(v)) {\n foundFirst = true;\n } else if (foundFirst) {\n normalized[u] = defaultValues[u];\n } else {\n normalized[u] = objNow[u];\n }\n }\n\n // make sure the values we have are in range\n const higherOrderInvalid = useWeekData\n ? hasInvalidWeekData(normalized)\n : containsOrdinal\n ? hasInvalidOrdinalData(normalized)\n : hasInvalidGregorianData(normalized),\n invalid = higherOrderInvalid || hasInvalidTimeData(normalized);\n\n if (invalid) {\n return DateTime.invalid(invalid);\n }\n\n // compute the actual time\n const gregorian = useWeekData\n ? weekToGregorian(normalized)\n : containsOrdinal\n ? ordinalToGregorian(normalized)\n : normalized,\n [tsFinal, offsetFinal] = objToTS(gregorian, offsetProvis, zoneToUse),\n inst = new DateTime({\n ts: tsFinal,\n zone: zoneToUse,\n o: offsetFinal,\n loc,\n });\n\n // gregorian data + weekday serves only to validate\n if (normalized.weekday && containsGregor && obj.weekday !== inst.weekday) {\n return DateTime.invalid(\n \"mismatched weekday\",\n `you can't specify both a weekday of ${normalized.weekday} and a date of ${inst.toISO()}`\n );\n }\n\n return inst;\n }\n\n /**\n * Create a DateTime from an ISO 8601 string\n * @param {string} text - the ISO string\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the time to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} [opts.outputCalendar] - the output calendar to set on the resulting DateTime instance\n * @param {string} [opts.numberingSystem] - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromISO('2016-05-25T09:08:34.123')\n * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00')\n * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00', {setZone: true})\n * @example DateTime.fromISO('2016-05-25T09:08:34.123', {zone: 'utc'})\n * @example DateTime.fromISO('2016-W05-4')\n * @return {DateTime}\n */\n static fromISO(text, opts = {}) {\n const [vals, parsedZone] = parseISODate(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"ISO 8601\", text);\n }\n\n /**\n * Create a DateTime from an RFC 2822 string\n * @param {string} text - the RFC 2822 string\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since the offset is always specified in the string itself, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in.\n * @param {boolean} [opts.setZone=false] - override the zone with a fixed-offset zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromRFC2822('25 Nov 2016 13:23:12 GMT')\n * @example DateTime.fromRFC2822('Fri, 25 Nov 2016 13:23:12 +0600')\n * @example DateTime.fromRFC2822('25 Nov 2016 13:23 Z')\n * @return {DateTime}\n */\n static fromRFC2822(text, opts = {}) {\n const [vals, parsedZone] = parseRFC2822Date(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"RFC 2822\", text);\n }\n\n /**\n * Create a DateTime from an HTTP header date\n * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1\n * @param {string} text - the HTTP header date\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - convert the time to this zone. Since HTTP dates are always in UTC, this has no effect on the interpretation of string, merely the zone the resulting DateTime is expressed in.\n * @param {boolean} [opts.setZone=false] - override the zone with the fixed-offset zone specified in the string. For HTTP dates, this is always UTC, so this option is equivalent to setting the `zone` option to 'utc', but this option is included for consistency with similar methods.\n * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance\n * @example DateTime.fromHTTP('Sun, 06 Nov 1994 08:49:37 GMT')\n * @example DateTime.fromHTTP('Sunday, 06-Nov-94 08:49:37 GMT')\n * @example DateTime.fromHTTP('Sun Nov 6 08:49:37 1994')\n * @return {DateTime}\n */\n static fromHTTP(text, opts = {}) {\n const [vals, parsedZone] = parseHTTPDate(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"HTTP\", opts);\n }\n\n /**\n * Create a DateTime from an input string and format string.\n * Defaults to en-US if no locale has been specified, regardless of the system's locale. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/parsing?id=table-of-tokens).\n * @param {string} text - the string to parse\n * @param {string} fmt - the format the string is expected to be in (see the link below for the formats)\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale\n * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @return {DateTime}\n */\n static fromFormat(text, fmt, opts = {}) {\n if (isUndefined(text) || isUndefined(fmt)) {\n throw new InvalidArgumentError(\"fromFormat requires an input string and a format\");\n }\n\n const { locale = null, numberingSystem = null } = opts,\n localeToUse = Locale.fromOpts({\n locale,\n numberingSystem,\n defaultToEN: true,\n }),\n [vals, parsedZone, specificOffset, invalid] = parseFromTokens(localeToUse, text, fmt);\n if (invalid) {\n return DateTime.invalid(invalid);\n } else {\n return parseDataToDateTime(vals, parsedZone, opts, `format ${fmt}`, text, specificOffset);\n }\n }\n\n /**\n * @deprecated use fromFormat instead\n */\n static fromString(text, fmt, opts = {}) {\n return DateTime.fromFormat(text, fmt, opts);\n }\n\n /**\n * Create a DateTime from a SQL date, time, or datetime\n * Defaults to en-US if no locale has been specified, regardless of the system's locale\n * @param {string} text - the string to parse\n * @param {Object} opts - options to affect the creation\n * @param {string|Zone} [opts.zone='local'] - use this zone if no offset is specified in the input string itself. Will also convert the DateTime to this zone\n * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one\n * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale\n * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system\n * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance\n * @example DateTime.fromSQL('2017-05-15')\n * @example DateTime.fromSQL('2017-05-15 09:12:34')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342+06:00')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles')\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342 America/Los_Angeles', { setZone: true })\n * @example DateTime.fromSQL('2017-05-15 09:12:34.342', { zone: 'America/Los_Angeles' })\n * @example DateTime.fromSQL('09:12:34.342')\n * @return {DateTime}\n */\n static fromSQL(text, opts = {}) {\n const [vals, parsedZone] = parseSQL(text);\n return parseDataToDateTime(vals, parsedZone, opts, \"SQL\", text);\n }\n\n /**\n * Create an invalid DateTime.\n * @param {string} reason - simple string of why this DateTime is invalid. Should not contain parameters or anything else data-dependent\n * @param {string} [explanation=null] - longer explanation, may include parameters and other useful debugging information\n * @return {DateTime}\n */\n static invalid(reason, explanation = null) {\n if (!reason) {\n throw new InvalidArgumentError(\"need to specify a reason the DateTime is invalid\");\n }\n\n const invalid = reason instanceof Invalid ? reason : new Invalid(reason, explanation);\n\n if (Settings.throwOnInvalid) {\n throw new InvalidDateTimeError(invalid);\n } else {\n return new DateTime({ invalid });\n }\n }\n\n /**\n * Check if an object is a DateTime. Works across context boundaries\n * @param {object} o\n * @return {boolean}\n */\n static isDateTime(o) {\n return (o && o.isLuxonDateTime) || false;\n }\n\n // INFO\n\n /**\n * Get the value of unit.\n * @param {string} unit - a unit such as 'minute' or 'day'\n * @example DateTime.local(2017, 7, 4).get('month'); //=> 7\n * @example DateTime.local(2017, 7, 4).get('day'); //=> 4\n * @return {number}\n */\n get(unit) {\n return this[unit];\n }\n\n /**\n * Returns whether the DateTime is valid. Invalid DateTimes occur when:\n * * The DateTime was created from invalid calendar information, such as the 13th month or February 30\n * * The DateTime was created by an operation on another invalid date\n * @type {boolean}\n */\n get isValid() {\n return this.invalid === null;\n }\n\n /**\n * Returns an error code if this DateTime is invalid, or null if the DateTime is valid\n * @type {string}\n */\n get invalidReason() {\n return this.invalid ? this.invalid.reason : null;\n }\n\n /**\n * Returns an explanation of why this DateTime became invalid, or null if the DateTime is valid\n * @type {string}\n */\n get invalidExplanation() {\n return this.invalid ? this.invalid.explanation : null;\n }\n\n /**\n * Get the locale of a DateTime, such 'en-GB'. The locale is used when formatting the DateTime\n *\n * @type {string}\n */\n get locale() {\n return this.isValid ? this.loc.locale : null;\n }\n\n /**\n * Get the numbering system of a DateTime, such 'beng'. The numbering system is used when formatting the DateTime\n *\n * @type {string}\n */\n get numberingSystem() {\n return this.isValid ? this.loc.numberingSystem : null;\n }\n\n /**\n * Get the output calendar of a DateTime, such 'islamic'. The output calendar is used when formatting the DateTime\n *\n * @type {string}\n */\n get outputCalendar() {\n return this.isValid ? this.loc.outputCalendar : null;\n }\n\n /**\n * Get the time zone associated with this DateTime.\n * @type {Zone}\n */\n get zone() {\n return this._zone;\n }\n\n /**\n * Get the name of the time zone.\n * @type {string}\n */\n get zoneName() {\n return this.isValid ? this.zone.name : null;\n }\n\n /**\n * Get the year\n * @example DateTime.local(2017, 5, 25).year //=> 2017\n * @type {number}\n */\n get year() {\n return this.isValid ? this.c.year : NaN;\n }\n\n /**\n * Get the quarter\n * @example DateTime.local(2017, 5, 25).quarter //=> 2\n * @type {number}\n */\n get quarter() {\n return this.isValid ? Math.ceil(this.c.month / 3) : NaN;\n }\n\n /**\n * Get the month (1-12).\n * @example DateTime.local(2017, 5, 25).month //=> 5\n * @type {number}\n */\n get month() {\n return this.isValid ? this.c.month : NaN;\n }\n\n /**\n * Get the day of the month (1-30ish).\n * @example DateTime.local(2017, 5, 25).day //=> 25\n * @type {number}\n */\n get day() {\n return this.isValid ? this.c.day : NaN;\n }\n\n /**\n * Get the hour of the day (0-23).\n * @example DateTime.local(2017, 5, 25, 9).hour //=> 9\n * @type {number}\n */\n get hour() {\n return this.isValid ? this.c.hour : NaN;\n }\n\n /**\n * Get the minute of the hour (0-59).\n * @example DateTime.local(2017, 5, 25, 9, 30).minute //=> 30\n * @type {number}\n */\n get minute() {\n return this.isValid ? this.c.minute : NaN;\n }\n\n /**\n * Get the second of the minute (0-59).\n * @example DateTime.local(2017, 5, 25, 9, 30, 52).second //=> 52\n * @type {number}\n */\n get second() {\n return this.isValid ? this.c.second : NaN;\n }\n\n /**\n * Get the millisecond of the second (0-999).\n * @example DateTime.local(2017, 5, 25, 9, 30, 52, 654).millisecond //=> 654\n * @type {number}\n */\n get millisecond() {\n return this.isValid ? this.c.millisecond : NaN;\n }\n\n /**\n * Get the week year\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2014, 12, 31).weekYear //=> 2015\n * @type {number}\n */\n get weekYear() {\n return this.isValid ? possiblyCachedWeekData(this).weekYear : NaN;\n }\n\n /**\n * Get the week number of the week year (1-52ish).\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2017, 5, 25).weekNumber //=> 21\n * @type {number}\n */\n get weekNumber() {\n return this.isValid ? possiblyCachedWeekData(this).weekNumber : NaN;\n }\n\n /**\n * Get the day of the week.\n * 1 is Monday and 7 is Sunday\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2014, 11, 31).weekday //=> 4\n * @type {number}\n */\n get weekday() {\n return this.isValid ? possiblyCachedWeekData(this).weekday : NaN;\n }\n\n /**\n * Get the ordinal (meaning the day of the year)\n * @example DateTime.local(2017, 5, 25).ordinal //=> 145\n * @type {number|DateTime}\n */\n get ordinal() {\n return this.isValid ? gregorianToOrdinal(this.c).ordinal : NaN;\n }\n\n /**\n * Get the human readable short month name, such as 'Oct'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).monthShort //=> Oct\n * @type {string}\n */\n get monthShort() {\n return this.isValid ? Info.months(\"short\", { locObj: this.loc })[this.month - 1] : null;\n }\n\n /**\n * Get the human readable long month name, such as 'October'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).monthLong //=> October\n * @type {string}\n */\n get monthLong() {\n return this.isValid ? Info.months(\"long\", { locObj: this.loc })[this.month - 1] : null;\n }\n\n /**\n * Get the human readable short weekday, such as 'Mon'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).weekdayShort //=> Mon\n * @type {string}\n */\n get weekdayShort() {\n return this.isValid ? Info.weekdays(\"short\", { locObj: this.loc })[this.weekday - 1] : null;\n }\n\n /**\n * Get the human readable long weekday, such as 'Monday'.\n * Defaults to the system's locale if no locale has been specified\n * @example DateTime.local(2017, 10, 30).weekdayLong //=> Monday\n * @type {string}\n */\n get weekdayLong() {\n return this.isValid ? Info.weekdays(\"long\", { locObj: this.loc })[this.weekday - 1] : null;\n }\n\n /**\n * Get the UTC offset of this DateTime in minutes\n * @example DateTime.now().offset //=> -240\n * @example DateTime.utc().offset //=> 0\n * @type {number}\n */\n get offset() {\n return this.isValid ? +this.o : NaN;\n }\n\n /**\n * Get the short human name for the zone's current offset, for example \"EST\" or \"EDT\".\n * Defaults to the system's locale if no locale has been specified\n * @type {string}\n */\n get offsetNameShort() {\n if (this.isValid) {\n return this.zone.offsetName(this.ts, {\n format: \"short\",\n locale: this.locale,\n });\n } else {\n return null;\n }\n }\n\n /**\n * Get the long human name for the zone's current offset, for example \"Eastern Standard Time\" or \"Eastern Daylight Time\".\n * Defaults to the system's locale if no locale has been specified\n * @type {string}\n */\n get offsetNameLong() {\n if (this.isValid) {\n return this.zone.offsetName(this.ts, {\n format: \"long\",\n locale: this.locale,\n });\n } else {\n return null;\n }\n }\n\n /**\n * Get whether this zone's offset ever changes, as in a DST.\n * @type {boolean}\n */\n get isOffsetFixed() {\n return this.isValid ? this.zone.isUniversal : null;\n }\n\n /**\n * Get whether the DateTime is in a DST.\n * @type {boolean}\n */\n get isInDST() {\n if (this.isOffsetFixed) {\n return false;\n } else {\n return (\n this.offset > this.set({ month: 1 }).offset || this.offset > this.set({ month: 5 }).offset\n );\n }\n }\n\n /**\n * Returns true if this DateTime is in a leap year, false otherwise\n * @example DateTime.local(2016).isInLeapYear //=> true\n * @example DateTime.local(2013).isInLeapYear //=> false\n * @type {boolean}\n */\n get isInLeapYear() {\n return isLeapYear(this.year);\n }\n\n /**\n * Returns the number of days in this DateTime's month\n * @example DateTime.local(2016, 2).daysInMonth //=> 29\n * @example DateTime.local(2016, 3).daysInMonth //=> 31\n * @type {number}\n */\n get daysInMonth() {\n return daysInMonth(this.year, this.month);\n }\n\n /**\n * Returns the number of days in this DateTime's year\n * @example DateTime.local(2016).daysInYear //=> 366\n * @example DateTime.local(2013).daysInYear //=> 365\n * @type {number}\n */\n get daysInYear() {\n return this.isValid ? daysInYear(this.year) : NaN;\n }\n\n /**\n * Returns the number of weeks in this DateTime's year\n * @see https://en.wikipedia.org/wiki/ISO_week_date\n * @example DateTime.local(2004).weeksInWeekYear //=> 53\n * @example DateTime.local(2013).weeksInWeekYear //=> 52\n * @type {number}\n */\n get weeksInWeekYear() {\n return this.isValid ? weeksInWeekYear(this.weekYear) : NaN;\n }\n\n /**\n * Returns the resolved Intl options for this DateTime.\n * This is useful in understanding the behavior of formatting methods\n * @param {Object} opts - the same options as toLocaleString\n * @return {Object}\n */\n resolvedLocaleOptions(opts = {}) {\n const { locale, numberingSystem, calendar } = Formatter.create(\n this.loc.clone(opts),\n opts\n ).resolvedOptions(this);\n return { locale, numberingSystem, outputCalendar: calendar };\n }\n\n // TRANSFORM\n\n /**\n * \"Set\" the DateTime's zone to UTC. Returns a newly-constructed DateTime.\n *\n * Equivalent to {@link DateTime#setZone}('utc')\n * @param {number} [offset=0] - optionally, an offset from UTC in minutes\n * @param {Object} [opts={}] - options to pass to `setZone()`\n * @return {DateTime}\n */\n toUTC(offset = 0, opts = {}) {\n return this.setZone(FixedOffsetZone.instance(offset), opts);\n }\n\n /**\n * \"Set\" the DateTime's zone to the host's local zone. Returns a newly-constructed DateTime.\n *\n * Equivalent to `setZone('local')`\n * @return {DateTime}\n */\n toLocal() {\n return this.setZone(Settings.defaultZone);\n }\n\n /**\n * \"Set\" the DateTime's zone to specified zone. Returns a newly-constructed DateTime.\n *\n * By default, the setter keeps the underlying time the same (as in, the same timestamp), but the new instance will report different local times and consider DSTs when making computations, as with {@link DateTime#plus}. You may wish to use {@link DateTime#toLocal} and {@link DateTime#toUTC} which provide simple convenience wrappers for commonly used zones.\n * @param {string|Zone} [zone='local'] - a zone identifier. As a string, that can be any IANA zone supported by the host environment, or a fixed-offset name of the form 'UTC+3', or the strings 'local' or 'utc'. You may also supply an instance of a {@link DateTime#Zone} class.\n * @param {Object} opts - options\n * @param {boolean} [opts.keepLocalTime=false] - If true, adjust the underlying time so that the local time stays the same, but in the target zone. You should rarely need this.\n * @return {DateTime}\n */\n setZone(zone, { keepLocalTime = false, keepCalendarTime = false } = {}) {\n zone = normalizeZone(zone, Settings.defaultZone);\n if (zone.equals(this.zone)) {\n return this;\n } else if (!zone.isValid) {\n return DateTime.invalid(unsupportedZone(zone));\n } else {\n let newTS = this.ts;\n if (keepLocalTime || keepCalendarTime) {\n const offsetGuess = zone.offset(this.ts);\n const asObj = this.toObject();\n [newTS] = objToTS(asObj, offsetGuess, zone);\n }\n return clone(this, { ts: newTS, zone });\n }\n }\n\n /**\n * \"Set\" the locale, numberingSystem, or outputCalendar. Returns a newly-constructed DateTime.\n * @param {Object} properties - the properties to set\n * @example DateTime.local(2017, 5, 25).reconfigure({ locale: 'en-GB' })\n * @return {DateTime}\n */\n reconfigure({ locale, numberingSystem, outputCalendar } = {}) {\n const loc = this.loc.clone({ locale, numberingSystem, outputCalendar });\n return clone(this, { loc });\n }\n\n /**\n * \"Set\" the locale. Returns a newly-constructed DateTime.\n * Just a convenient alias for reconfigure({ locale })\n * @example DateTime.local(2017, 5, 25).setLocale('en-GB')\n * @return {DateTime}\n */\n setLocale(locale) {\n return this.reconfigure({ locale });\n }\n\n /**\n * \"Set\" the values of specified units. Returns a newly-constructed DateTime.\n * You can only set units with this method; for \"setting\" metadata, see {@link DateTime#reconfigure} and {@link DateTime#setZone}.\n * @param {Object} values - a mapping of units to numbers\n * @example dt.set({ year: 2017 })\n * @example dt.set({ hour: 8, minute: 30 })\n * @example dt.set({ weekday: 5 })\n * @example dt.set({ year: 2005, ordinal: 234 })\n * @return {DateTime}\n */\n set(values) {\n if (!this.isValid) return this;\n\n const normalized = normalizeObject(values, normalizeUnit),\n settingWeekStuff =\n !isUndefined(normalized.weekYear) ||\n !isUndefined(normalized.weekNumber) ||\n !isUndefined(normalized.weekday),\n containsOrdinal = !isUndefined(normalized.ordinal),\n containsGregorYear = !isUndefined(normalized.year),\n containsGregorMD = !isUndefined(normalized.month) || !isUndefined(normalized.day),\n containsGregor = containsGregorYear || containsGregorMD,\n definiteWeekDef = normalized.weekYear || normalized.weekNumber;\n\n if ((containsGregor || containsOrdinal) && definiteWeekDef) {\n throw new ConflictingSpecificationError(\n \"Can't mix weekYear/weekNumber units with year/month/day or ordinals\"\n );\n }\n\n if (containsGregorMD && containsOrdinal) {\n throw new ConflictingSpecificationError(\"Can't mix ordinal dates with month/day\");\n }\n\n let mixed;\n if (settingWeekStuff) {\n mixed = weekToGregorian({ ...gregorianToWeek(this.c), ...normalized });\n } else if (!isUndefined(normalized.ordinal)) {\n mixed = ordinalToGregorian({ ...gregorianToOrdinal(this.c), ...normalized });\n } else {\n mixed = { ...this.toObject(), ...normalized };\n\n // if we didn't set the day but we ended up on an overflow date,\n // use the last day of the right month\n if (isUndefined(normalized.day)) {\n mixed.day = Math.min(daysInMonth(mixed.year, mixed.month), mixed.day);\n }\n }\n\n const [ts, o] = objToTS(mixed, this.o, this.zone);\n return clone(this, { ts, o });\n }\n\n /**\n * Add a period of time to this DateTime and return the resulting DateTime\n *\n * Adding hours, minutes, seconds, or milliseconds increases the timestamp by the right number of milliseconds. Adding days, months, or years shifts the calendar, accounting for DSTs and leap years along the way. Thus, `dt.plus({ hours: 24 })` may result in a different time than `dt.plus({ days: 1 })` if there's a DST shift in between.\n * @param {Duration|Object|number} duration - The amount to add. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n * @example DateTime.now().plus(123) //~> in 123 milliseconds\n * @example DateTime.now().plus({ minutes: 15 }) //~> in 15 minutes\n * @example DateTime.now().plus({ days: 1 }) //~> this time tomorrow\n * @example DateTime.now().plus({ days: -1 }) //~> this time yesterday\n * @example DateTime.now().plus({ hours: 3, minutes: 13 }) //~> in 3 hr, 13 min\n * @example DateTime.now().plus(Duration.fromObject({ hours: 3, minutes: 13 })) //~> in 3 hr, 13 min\n * @return {DateTime}\n */\n plus(duration) {\n if (!this.isValid) return this;\n const dur = Duration.fromDurationLike(duration);\n return clone(this, adjustTime(this, dur));\n }\n\n /**\n * Subtract a period of time to this DateTime and return the resulting DateTime\n * See {@link DateTime#plus}\n * @param {Duration|Object|number} duration - The amount to subtract. Either a Luxon Duration, a number of milliseconds, the object argument to Duration.fromObject()\n @return {DateTime}\n */\n minus(duration) {\n if (!this.isValid) return this;\n const dur = Duration.fromDurationLike(duration).negate();\n return clone(this, adjustTime(this, dur));\n }\n\n /**\n * \"Set\" this DateTime to the beginning of a unit of time.\n * @param {string} unit - The unit to go to the beginning of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'.\n * @example DateTime.local(2014, 3, 3).startOf('month').toISODate(); //=> '2014-03-01'\n * @example DateTime.local(2014, 3, 3).startOf('year').toISODate(); //=> '2014-01-01'\n * @example DateTime.local(2014, 3, 3).startOf('week').toISODate(); //=> '2014-03-03', weeks always start on Mondays\n * @example DateTime.local(2014, 3, 3, 5, 30).startOf('day').toISOTime(); //=> '00:00.000-05:00'\n * @example DateTime.local(2014, 3, 3, 5, 30).startOf('hour').toISOTime(); //=> '05:00:00.000-05:00'\n * @return {DateTime}\n */\n startOf(unit) {\n if (!this.isValid) return this;\n const o = {},\n normalizedUnit = Duration.normalizeUnit(unit);\n switch (normalizedUnit) {\n case \"years\":\n o.month = 1;\n // falls through\n case \"quarters\":\n case \"months\":\n o.day = 1;\n // falls through\n case \"weeks\":\n case \"days\":\n o.hour = 0;\n // falls through\n case \"hours\":\n o.minute = 0;\n // falls through\n case \"minutes\":\n o.second = 0;\n // falls through\n case \"seconds\":\n o.millisecond = 0;\n break;\n case \"milliseconds\":\n break;\n // no default, invalid units throw in normalizeUnit()\n }\n\n if (normalizedUnit === \"weeks\") {\n o.weekday = 1;\n }\n\n if (normalizedUnit === \"quarters\") {\n const q = Math.ceil(this.month / 3);\n o.month = (q - 1) * 3 + 1;\n }\n\n return this.set(o);\n }\n\n /**\n * \"Set\" this DateTime to the end (meaning the last millisecond) of a unit of time\n * @param {string} unit - The unit to go to the end of. Can be 'year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', or 'millisecond'.\n * @example DateTime.local(2014, 3, 3).endOf('month').toISO(); //=> '2014-03-31T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3).endOf('year').toISO(); //=> '2014-12-31T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3).endOf('week').toISO(); // => '2014-03-09T23:59:59.999-05:00', weeks start on Mondays\n * @example DateTime.local(2014, 3, 3, 5, 30).endOf('day').toISO(); //=> '2014-03-03T23:59:59.999-05:00'\n * @example DateTime.local(2014, 3, 3, 5, 30).endOf('hour').toISO(); //=> '2014-03-03T05:59:59.999-05:00'\n * @return {DateTime}\n */\n endOf(unit) {\n return this.isValid\n ? this.plus({ [unit]: 1 })\n .startOf(unit)\n .minus(1)\n : this;\n }\n\n // OUTPUT\n\n /**\n * Returns a string representation of this DateTime formatted according to the specified format string.\n * **You may not want this.** See {@link DateTime#toLocaleString} for a more flexible formatting tool. For a table of tokens and their interpretations, see [here](https://moment.github.io/luxon/#/formatting?id=table-of-tokens).\n * Defaults to en-US if no locale has been specified, regardless of the system's locale.\n * @param {string} fmt - the format string\n * @param {Object} opts - opts to override the configuration options on this DateTime\n * @example DateTime.now().toFormat('yyyy LLL dd') //=> '2017 Apr 22'\n * @example DateTime.now().setLocale('fr').toFormat('yyyy LLL dd') //=> '2017 avr. 22'\n * @example DateTime.now().toFormat('yyyy LLL dd', { locale: \"fr\" }) //=> '2017 avr. 22'\n * @example DateTime.now().toFormat(\"HH 'hours and' mm 'minutes'\") //=> '20 hours and 55 minutes'\n * @return {string}\n */\n toFormat(fmt, opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.redefaultToEN(opts)).formatDateTimeFromString(this, fmt)\n : INVALID;\n }\n\n /**\n * Returns a localized string representing this date. Accepts the same options as the Intl.DateTimeFormat constructor and any presets defined by Luxon, such as `DateTime.DATE_FULL` or `DateTime.TIME_SIMPLE`.\n * The exact behavior of this method is browser-specific, but in general it will return an appropriate representation\n * of the DateTime in the assigned locale.\n * Defaults to the system's locale if no locale has been specified\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat\n * @param formatOpts {Object} - Intl.DateTimeFormat constructor options and configuration options\n * @param {Object} opts - opts to override the configuration options on this DateTime\n * @example DateTime.now().toLocaleString(); //=> 4/20/2017\n * @example DateTime.now().setLocale('en-gb').toLocaleString(); //=> '20/04/2017'\n * @example DateTime.now().toLocaleString({ locale: 'en-gb' }); //=> '20/04/2017'\n * @example DateTime.now().toLocaleString(DateTime.DATE_FULL); //=> 'April 20, 2017'\n * @example DateTime.now().toLocaleString(DateTime.TIME_SIMPLE); //=> '11:32 AM'\n * @example DateTime.now().toLocaleString(DateTime.DATETIME_SHORT); //=> '4/20/2017, 11:32 AM'\n * @example DateTime.now().toLocaleString({ weekday: 'long', month: 'long', day: '2-digit' }); //=> 'Thursday, April 20'\n * @example DateTime.now().toLocaleString({ weekday: 'short', month: 'short', day: '2-digit', hour: '2-digit', minute: '2-digit' }); //=> 'Thu, Apr 20, 11:27 AM'\n * @example DateTime.now().toLocaleString({ hour: '2-digit', minute: '2-digit', hourCycle: 'h23' }); //=> '11:32'\n * @return {string}\n */\n toLocaleString(formatOpts = Formats.DATE_SHORT, opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.clone(opts), formatOpts).formatDateTime(this)\n : INVALID;\n }\n\n /**\n * Returns an array of format \"parts\", meaning individual tokens along with metadata. This is allows callers to post-process individual sections of the formatted output.\n * Defaults to the system's locale if no locale has been specified\n * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DateTimeFormat/formatToParts\n * @param opts {Object} - Intl.DateTimeFormat constructor options, same as `toLocaleString`.\n * @example DateTime.now().toLocaleParts(); //=> [\n * //=> { type: 'day', value: '25' },\n * //=> { type: 'literal', value: '/' },\n * //=> { type: 'month', value: '05' },\n * //=> { type: 'literal', value: '/' },\n * //=> { type: 'year', value: '1982' }\n * //=> ]\n */\n toLocaleParts(opts = {}) {\n return this.isValid\n ? Formatter.create(this.loc.clone(opts), opts).formatDateTimeParts(this)\n : [];\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc(1983, 5, 25).toISO() //=> '1982-05-25T00:00:00.000Z'\n * @example DateTime.now().toISO() //=> '2017-04-22T20:47:05.335-04:00'\n * @example DateTime.now().toISO({ includeOffset: false }) //=> '2017-04-22T20:47:05.335'\n * @example DateTime.now().toISO({ format: 'basic' }) //=> '20170422T204705.335-0400'\n * @return {string}\n */\n toISO({\n format = \"extended\",\n suppressSeconds = false,\n suppressMilliseconds = false,\n includeOffset = true,\n } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n const ext = format === \"extended\";\n\n let c = toISODate(this, ext);\n c += \"T\";\n c += toISOTime(this, ext, suppressSeconds, suppressMilliseconds, includeOffset);\n return c;\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's date component\n * @param {Object} opts - options\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc(1982, 5, 25).toISODate() //=> '1982-05-25'\n * @example DateTime.utc(1982, 5, 25).toISODate({ format: 'basic' }) //=> '19820525'\n * @return {string}\n */\n toISODate({ format = \"extended\" } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n return toISODate(this, format === \"extended\");\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's week date\n * @example DateTime.utc(1982, 5, 25).toISOWeekDate() //=> '1982-W21-2'\n * @return {string}\n */\n toISOWeekDate() {\n return toTechFormat(this, \"kkkk-'W'WW-c\");\n }\n\n /**\n * Returns an ISO 8601-compliant string representation of this DateTime's time component\n * @param {Object} opts - options\n * @param {boolean} [opts.suppressMilliseconds=false] - exclude milliseconds from the format if they're 0\n * @param {boolean} [opts.suppressSeconds=false] - exclude seconds from the format if they're 0\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includePrefix=false] - include the `T` prefix\n * @param {string} [opts.format='extended'] - choose between the basic and extended format\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime() //=> '07:34:19.361Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34, seconds: 0, milliseconds: 0 }).toISOTime({ suppressSeconds: true }) //=> '07:34Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ format: 'basic' }) //=> '073419.361Z'\n * @example DateTime.utc().set({ hour: 7, minute: 34 }).toISOTime({ includePrefix: true }) //=> 'T07:34:19.361Z'\n * @return {string}\n */\n toISOTime({\n suppressMilliseconds = false,\n suppressSeconds = false,\n includeOffset = true,\n includePrefix = false,\n format = \"extended\",\n } = {}) {\n if (!this.isValid) {\n return null;\n }\n\n let c = includePrefix ? \"T\" : \"\";\n return (\n c +\n toISOTime(this, format === \"extended\", suppressSeconds, suppressMilliseconds, includeOffset)\n );\n }\n\n /**\n * Returns an RFC 2822-compatible string representation of this DateTime\n * @example DateTime.utc(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 +0000'\n * @example DateTime.local(2014, 7, 13).toRFC2822() //=> 'Sun, 13 Jul 2014 00:00:00 -0400'\n * @return {string}\n */\n toRFC2822() {\n return toTechFormat(this, \"EEE, dd LLL yyyy HH:mm:ss ZZZ\", false);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in HTTP headers. The output is always expressed in GMT.\n * Specifically, the string conforms to RFC 1123.\n * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1\n * @example DateTime.utc(2014, 7, 13).toHTTP() //=> 'Sun, 13 Jul 2014 00:00:00 GMT'\n * @example DateTime.utc(2014, 7, 13, 19).toHTTP() //=> 'Sun, 13 Jul 2014 19:00:00 GMT'\n * @return {string}\n */\n toHTTP() {\n return toTechFormat(this.toUTC(), \"EEE, dd LLL yyyy HH:mm:ss 'GMT'\");\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL Date\n * @example DateTime.utc(2014, 7, 13).toSQLDate() //=> '2014-07-13'\n * @return {string}\n */\n toSQLDate() {\n if (!this.isValid) {\n return null;\n }\n return toISODate(this, true);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL Time\n * @param {Object} opts - options\n * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset.\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00'\n * @example DateTime.utc().toSQL() //=> '05:15:16.345'\n * @example DateTime.now().toSQL() //=> '05:15:16.345 -04:00'\n * @example DateTime.now().toSQL({ includeOffset: false }) //=> '05:15:16.345'\n * @example DateTime.now().toSQL({ includeZone: false }) //=> '05:15:16.345 America/New_York'\n * @return {string}\n */\n toSQLTime({ includeOffset = true, includeZone = false, includeOffsetSpace = true } = {}) {\n let fmt = \"HH:mm:ss.SSS\";\n\n if (includeZone || includeOffset) {\n if (includeOffsetSpace) {\n fmt += \" \";\n }\n if (includeZone) {\n fmt += \"z\";\n } else if (includeOffset) {\n fmt += \"ZZ\";\n }\n }\n\n return toTechFormat(this, fmt, true);\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for use in SQL DateTime\n * @param {Object} opts - options\n * @param {boolean} [opts.includeZone=false] - include the zone, such as 'America/New_York'. Overrides includeOffset.\n * @param {boolean} [opts.includeOffset=true] - include the offset, such as 'Z' or '-04:00'\n * @param {boolean} [opts.includeOffsetSpace=true] - include the space between the time and the offset, such as '05:15:16.345 -04:00'\n * @example DateTime.utc(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 Z'\n * @example DateTime.local(2014, 7, 13).toSQL() //=> '2014-07-13 00:00:00.000 -04:00'\n * @example DateTime.local(2014, 7, 13).toSQL({ includeOffset: false }) //=> '2014-07-13 00:00:00.000'\n * @example DateTime.local(2014, 7, 13).toSQL({ includeZone: true }) //=> '2014-07-13 00:00:00.000 America/New_York'\n * @return {string}\n */\n toSQL(opts = {}) {\n if (!this.isValid) {\n return null;\n }\n\n return `${this.toSQLDate()} ${this.toSQLTime(opts)}`;\n }\n\n /**\n * Returns a string representation of this DateTime appropriate for debugging\n * @return {string}\n */\n toString() {\n return this.isValid ? this.toISO() : INVALID;\n }\n\n /**\n * Returns the epoch milliseconds of this DateTime. Alias of {@link DateTime#toMillis}\n * @return {number}\n */\n valueOf() {\n return this.toMillis();\n }\n\n /**\n * Returns the epoch milliseconds of this DateTime.\n * @return {number}\n */\n toMillis() {\n return this.isValid ? this.ts : NaN;\n }\n\n /**\n * Returns the epoch seconds of this DateTime.\n * @return {number}\n */\n toSeconds() {\n return this.isValid ? this.ts / 1000 : NaN;\n }\n\n /**\n * Returns the epoch seconds (as a whole number) of this DateTime.\n * @return {number}\n */\n toUnixInteger() {\n return this.isValid ? Math.floor(this.ts / 1000) : NaN;\n }\n\n /**\n * Returns an ISO 8601 representation of this DateTime appropriate for use in JSON.\n * @return {string}\n */\n toJSON() {\n return this.toISO();\n }\n\n /**\n * Returns a BSON serializable equivalent to this DateTime.\n * @return {Date}\n */\n toBSON() {\n return this.toJSDate();\n }\n\n /**\n * Returns a JavaScript object with this DateTime's year, month, day, and so on.\n * @param opts - options for generating the object\n * @param {boolean} [opts.includeConfig=false] - include configuration attributes in the output\n * @example DateTime.now().toObject() //=> { year: 2017, month: 4, day: 22, hour: 20, minute: 49, second: 42, millisecond: 268 }\n * @return {Object}\n */\n toObject(opts = {}) {\n if (!this.isValid) return {};\n\n const base = { ...this.c };\n\n if (opts.includeConfig) {\n base.outputCalendar = this.outputCalendar;\n base.numberingSystem = this.loc.numberingSystem;\n base.locale = this.loc.locale;\n }\n return base;\n }\n\n /**\n * Returns a JavaScript Date equivalent to this DateTime.\n * @return {Date}\n */\n toJSDate() {\n return new Date(this.isValid ? this.ts : NaN);\n }\n\n // COMPARE\n\n /**\n * Return the difference between two DateTimes as a Duration.\n * @param {DateTime} otherDateTime - the DateTime to compare this one to\n * @param {string|string[]} [unit=['milliseconds']] - the unit or array of units (such as 'hours' or 'days') to include in the duration.\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @example\n * var i1 = DateTime.fromISO('1982-05-25T09:45'),\n * i2 = DateTime.fromISO('1983-10-14T10:30');\n * i2.diff(i1).toObject() //=> { milliseconds: 43807500000 }\n * i2.diff(i1, 'hours').toObject() //=> { hours: 12168.75 }\n * i2.diff(i1, ['months', 'days']).toObject() //=> { months: 16, days: 19.03125 }\n * i2.diff(i1, ['months', 'days', 'hours']).toObject() //=> { months: 16, days: 19, hours: 0.75 }\n * @return {Duration}\n */\n diff(otherDateTime, unit = \"milliseconds\", opts = {}) {\n if (!this.isValid || !otherDateTime.isValid) {\n return Duration.invalid(\"created by diffing an invalid DateTime\");\n }\n\n const durOpts = { locale: this.locale, numberingSystem: this.numberingSystem, ...opts };\n\n const units = maybeArray(unit).map(Duration.normalizeUnit),\n otherIsLater = otherDateTime.valueOf() > this.valueOf(),\n earlier = otherIsLater ? this : otherDateTime,\n later = otherIsLater ? otherDateTime : this,\n diffed = diff(earlier, later, units, durOpts);\n\n return otherIsLater ? diffed.negate() : diffed;\n }\n\n /**\n * Return the difference between this DateTime and right now.\n * See {@link DateTime#diff}\n * @param {string|string[]} [unit=['milliseconds']] - the unit or units units (such as 'hours' or 'days') to include in the duration\n * @param {Object} opts - options that affect the creation of the Duration\n * @param {string} [opts.conversionAccuracy='casual'] - the conversion system to use\n * @return {Duration}\n */\n diffNow(unit = \"milliseconds\", opts = {}) {\n return this.diff(DateTime.now(), unit, opts);\n }\n\n /**\n * Return an Interval spanning between this DateTime and another DateTime\n * @param {DateTime} otherDateTime - the other end point of the Interval\n * @return {Interval}\n */\n until(otherDateTime) {\n return this.isValid ? Interval.fromDateTimes(this, otherDateTime) : this;\n }\n\n /**\n * Return whether this DateTime is in the same unit of time as another DateTime.\n * Higher-order units must also be identical for this function to return `true`.\n * Note that time zones are **ignored** in this comparison, which compares the **local** calendar time. Use {@link DateTime#setZone} to convert one of the dates if needed.\n * @param {DateTime} otherDateTime - the other DateTime\n * @param {string} unit - the unit of time to check sameness on\n * @example DateTime.now().hasSame(otherDT, 'day'); //~> true if otherDT is in the same current calendar day\n * @return {boolean}\n */\n hasSame(otherDateTime, unit) {\n if (!this.isValid) return false;\n\n const inputMs = otherDateTime.valueOf();\n const adjustedToZone = this.setZone(otherDateTime.zone, { keepLocalTime: true });\n return adjustedToZone.startOf(unit) <= inputMs && inputMs <= adjustedToZone.endOf(unit);\n }\n\n /**\n * Equality check\n * Two DateTimes are equal iff they represent the same millisecond, have the same zone and location, and are both valid.\n * To compare just the millisecond values, use `+dt1 === +dt2`.\n * @param {DateTime} other - the other DateTime\n * @return {boolean}\n */\n equals(other) {\n return (\n this.isValid &&\n other.isValid &&\n this.valueOf() === other.valueOf() &&\n this.zone.equals(other.zone) &&\n this.loc.equals(other.loc)\n );\n }\n\n /**\n * Returns a string representation of a this time relative to now, such as \"in two days\". Can only internationalize if your\n * platform supports Intl.RelativeTimeFormat. Rounds down by default.\n * @param {Object} options - options that affect the output\n * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now.\n * @param {string} [options.style=\"long\"] - the style of units, must be \"long\", \"short\", or \"narrow\"\n * @param {string|string[]} options.unit - use a specific unit or array of units; if omitted, or an array, the method will pick the best unit. Use an array or one of \"years\", \"quarters\", \"months\", \"weeks\", \"days\", \"hours\", \"minutes\", or \"seconds\"\n * @param {boolean} [options.round=true] - whether to round the numbers in the output.\n * @param {number} [options.padding=0] - padding in milliseconds. This allows you to round up the result if it fits inside the threshold. Don't use in combination with {round: false} because the decimal output will include the padding.\n * @param {string} options.locale - override the locale of this DateTime\n * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this\n * @example DateTime.now().plus({ days: 1 }).toRelative() //=> \"in 1 day\"\n * @example DateTime.now().setLocale(\"es\").toRelative({ days: 1 }) //=> \"dentro de 1 día\"\n * @example DateTime.now().plus({ days: 1 }).toRelative({ locale: \"fr\" }) //=> \"dans 23 heures\"\n * @example DateTime.now().minus({ days: 2 }).toRelative() //=> \"2 days ago\"\n * @example DateTime.now().minus({ days: 2 }).toRelative({ unit: \"hours\" }) //=> \"48 hours ago\"\n * @example DateTime.now().minus({ hours: 36 }).toRelative({ round: false }) //=> \"1.5 days ago\"\n */\n toRelative(options = {}) {\n if (!this.isValid) return null;\n const base = options.base || DateTime.fromObject({}, { zone: this.zone }),\n padding = options.padding ? (this < base ? -options.padding : options.padding) : 0;\n let units = [\"years\", \"months\", \"days\", \"hours\", \"minutes\", \"seconds\"];\n let unit = options.unit;\n if (Array.isArray(options.unit)) {\n units = options.unit;\n unit = undefined;\n }\n return diffRelative(base, this.plus(padding), {\n ...options,\n numeric: \"always\",\n units,\n unit,\n });\n }\n\n /**\n * Returns a string representation of this date relative to today, such as \"yesterday\" or \"next month\".\n * Only internationalizes on platforms that supports Intl.RelativeTimeFormat.\n * @param {Object} options - options that affect the output\n * @param {DateTime} [options.base=DateTime.now()] - the DateTime to use as the basis to which this time is compared. Defaults to now.\n * @param {string} options.locale - override the locale of this DateTime\n * @param {string} options.unit - use a specific unit; if omitted, the method will pick the unit. Use one of \"years\", \"quarters\", \"months\", \"weeks\", or \"days\"\n * @param {string} options.numberingSystem - override the numberingSystem of this DateTime. The Intl system may choose not to honor this\n * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar() //=> \"tomorrow\"\n * @example DateTime.now().setLocale(\"es\").plus({ days: 1 }).toRelative() //=> \"\"mañana\"\n * @example DateTime.now().plus({ days: 1 }).toRelativeCalendar({ locale: \"fr\" }) //=> \"demain\"\n * @example DateTime.now().minus({ days: 2 }).toRelativeCalendar() //=> \"2 days ago\"\n */\n toRelativeCalendar(options = {}) {\n if (!this.isValid) return null;\n\n return diffRelative(options.base || DateTime.fromObject({}, { zone: this.zone }), this, {\n ...options,\n numeric: \"auto\",\n units: [\"years\", \"months\", \"days\"],\n calendary: true,\n });\n }\n\n /**\n * Return the min of several date times\n * @param {...DateTime} dateTimes - the DateTimes from which to choose the minimum\n * @return {DateTime} the min DateTime, or undefined if called with no argument\n */\n static min(...dateTimes) {\n if (!dateTimes.every(DateTime.isDateTime)) {\n throw new InvalidArgumentError(\"min requires all arguments be DateTimes\");\n }\n return bestBy(dateTimes, (i) => i.valueOf(), Math.min);\n }\n\n /**\n * Return the max of several date times\n * @param {...DateTime} dateTimes - the DateTimes from which to choose the maximum\n * @return {DateTime} the max DateTime, or undefined if called with no argument\n */\n static max(...dateTimes) {\n if (!dateTimes.every(DateTime.isDateTime)) {\n throw new InvalidArgumentError(\"max requires all arguments be DateTimes\");\n }\n return bestBy(dateTimes, (i) => i.valueOf(), Math.max);\n }\n\n // MISC\n\n /**\n * Explain how a string would be parsed by fromFormat()\n * @param {string} text - the string to parse\n * @param {string} fmt - the format the string is expected to be in (see description)\n * @param {Object} options - options taken by fromFormat()\n * @return {Object}\n */\n static fromFormatExplain(text, fmt, options = {}) {\n const { locale = null, numberingSystem = null } = options,\n localeToUse = Locale.fromOpts({\n locale,\n numberingSystem,\n defaultToEN: true,\n });\n return explainFromTokens(localeToUse, text, fmt);\n }\n\n /**\n * @deprecated use fromFormatExplain instead\n */\n static fromStringExplain(text, fmt, options = {}) {\n return DateTime.fromFormatExplain(text, fmt, options);\n }\n\n // FORMAT PRESETS\n\n /**\n * {@link DateTime#toLocaleString} format like 10/14/1983\n * @type {Object}\n */\n static get DATE_SHORT() {\n return Formats.DATE_SHORT;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983'\n * @type {Object}\n */\n static get DATE_MED() {\n return Formats.DATE_MED;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Fri, Oct 14, 1983'\n * @type {Object}\n */\n static get DATE_MED_WITH_WEEKDAY() {\n return Formats.DATE_MED_WITH_WEEKDAY;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983'\n * @type {Object}\n */\n static get DATE_FULL() {\n return Formats.DATE_FULL;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Tuesday, October 14, 1983'\n * @type {Object}\n */\n static get DATE_HUGE() {\n return Formats.DATE_HUGE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_SIMPLE() {\n return Formats.TIME_SIMPLE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_SECONDS() {\n return Formats.TIME_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_SHORT_OFFSET() {\n return Formats.TIME_WITH_SHORT_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get TIME_WITH_LONG_OFFSET() {\n return Formats.TIME_WITH_LONG_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_SIMPLE() {\n return Formats.TIME_24_SIMPLE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_SECONDS() {\n return Formats.TIME_24_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 EDT', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_SHORT_OFFSET() {\n return Formats.TIME_24_WITH_SHORT_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '09:30:23 Eastern Daylight Time', always 24-hour.\n * @type {Object}\n */\n static get TIME_24_WITH_LONG_OFFSET() {\n return Formats.TIME_24_WITH_LONG_OFFSET;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_SHORT() {\n return Formats.DATETIME_SHORT;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like '10/14/1983, 9:30:33 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_SHORT_WITH_SECONDS() {\n return Formats.DATETIME_SHORT_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED() {\n return Formats.DATETIME_MED;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Oct 14, 1983, 9:30:33 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED_WITH_SECONDS() {\n return Formats.DATETIME_MED_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Fri, 14 Oct 1983, 9:30 AM'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_MED_WITH_WEEKDAY() {\n return Formats.DATETIME_MED_WITH_WEEKDAY;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_FULL() {\n return Formats.DATETIME_FULL;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'October 14, 1983, 9:30:33 AM EDT'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_FULL_WITH_SECONDS() {\n return Formats.DATETIME_FULL_WITH_SECONDS;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_HUGE() {\n return Formats.DATETIME_HUGE;\n }\n\n /**\n * {@link DateTime#toLocaleString} format like 'Friday, October 14, 1983, 9:30:33 AM Eastern Daylight Time'. Only 12-hour if the locale is.\n * @type {Object}\n */\n static get DATETIME_HUGE_WITH_SECONDS() {\n return Formats.DATETIME_HUGE_WITH_SECONDS;\n }\n}\n\n/**\n * @private\n */\nexport function friendlyDateTime(dateTimeish) {\n if (DateTime.isDateTime(dateTimeish)) {\n return dateTimeish;\n } else if (dateTimeish && dateTimeish.valueOf && isNumber(dateTimeish.valueOf())) {\n return DateTime.fromJSDate(dateTimeish);\n } else if (dateTimeish && typeof dateTimeish === \"object\") {\n return DateTime.fromObject(dateTimeish);\n } else {\n throw new InvalidArgumentError(\n `Unknown datetime argument: ${dateTimeish}, of type ${typeof dateTimeish}`\n );\n }\n}\n","import DateTime from \"./datetime.js\";\nimport Duration from \"./duration.js\";\nimport Interval from \"./interval.js\";\nimport Info from \"./info.js\";\nimport Zone from \"./zone.js\";\nimport FixedOffsetZone from \"./zones/fixedOffsetZone.js\";\nimport IANAZone from \"./zones/IANAZone.js\";\nimport InvalidZone from \"./zones/invalidZone.js\";\nimport SystemZone from \"./zones/systemZone.js\";\nimport Settings from \"./settings.js\";\n\nconst VERSION = \"2.3.1\";\n\nexport {\n VERSION,\n DateTime,\n Duration,\n Interval,\n Info,\n Zone,\n FixedOffsetZone,\n IANAZone,\n InvalidZone,\n SystemZone,\n 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\ No newline at end of file diff --git a/GWMS.sln b/GWMS.sln index 1f1c5df..4d46305 100644 --- a/GWMS.sln +++ b/GWMS.sln @@ -1,7 +1,7 @@  Microsoft Visual Studio Solution File, Format Version 12.00 -# Visual Studio Version 16 -VisualStudioVersion = 16.0.32106.194 +# Visual Studio Version 17 +VisualStudioVersion = 17.0.32126.317 MinimumVisualStudioVersion = 10.0.40219.1 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GWMS.Data", "GWMS.Data\GWMS.Data.csproj", "{50690414-013C-4A2E-9255-F5CB4BF03420}" EndProject diff --git a/Resources/ChangeLog.html b/Resources/ChangeLog.html index 23bba8e..a7019c3 100644 --- a/Resources/ChangeLog.html +++ b/Resources/ChangeLog.html @@ -1,6 +1,6 @@ GWMS - Gas Warehouse Management System -

    Versione: 1.0.2203.0114

    +

    Versione: 1.0.2203.0116


    Note di rilascio:
    • diff --git a/Resources/VersNum.txt b/Resources/VersNum.txt index 6d669be..fc6754a 100644 --- a/Resources/VersNum.txt +++ b/Resources/VersNum.txt @@ -1 +1 @@ -1.0.2203.0114 +1.0.2203.0116 diff --git a/Resources/manifest.xml b/Resources/manifest.xml index c82a202..ea50d16 100644 --- a/Resources/manifest.xml +++ b/Resources/manifest.xml @@ -1,6 +1,6 @@ - 1.0.2203.0114 + 1.0.2203.0116 http://nexus.steamware.net/repository/SWS/GWMS/stable/0/GWMS.UI.zip http://nexus.steamware.net/repository/SWS/GWMS/stable/0/ChangeLog.html false