Samuele Locatelli
67 lines
1.7 KiB
Plaintext
67 lines
1.7 KiB
Plaintext
@using Microsoft.AspNetCore.Components.Web
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@using Microsoft.JSInterop
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@implements IDisposable
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@inject IJSRuntime JS
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<div style="padding:1rem; border:1px solid #ccc; border-radius:8px; max-width:350px;">
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<h4>Execution Context Test</h4>
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<p>
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<strong>Context:</strong>
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<span style="color:@(IsWasm ? "green" : "blue")">
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@(IsWasm ? "WASM (Client)" : "Server")
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</span>
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</p>
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<p>
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<strong>Time:</strong> @CurrentTime.ToLongTimeString()
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</p>
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<button class="btn btn-primary btn-sm" @onclick="DoClick">Test Me</button>
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<p>@lblOut</p>
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</div>
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@code {
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bool IsWasm;
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DateTime CurrentTime = DateTime.Now;
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private CancellationTokenSource? _cts;
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private string lblOut = "";
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protected override void OnInitialized()
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{
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IsWasm = OperatingSystem.IsBrowser();
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_cts = new CancellationTokenSource();
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// avvia loop asincrono che funziona sia in server che in WASM
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_ = TimeLoopAsync(_cts.Token);
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}
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private async Task TimeLoopAsync(CancellationToken token)
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{
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try
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{
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while (!token.IsCancellationRequested)
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{
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CurrentTime = DateTime.Now;
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await InvokeAsync(StateHasChanged);
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await Task.Delay(1000, token);
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}
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}
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catch (TaskCanceledException) { }
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}
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private Task DoClick()
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{
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lblOut = $"Clicked | {DateTime.Now:HH:mm:ss}";
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// log su console browser se siamo in WASM
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if (IsWasm)
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_ = JS.InvokeVoidAsync("console.log", $"ExecutionContextTest DoClick at {DateTime.Now}");
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return Task.CompletedTask;
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}
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public void Dispose()
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{
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_cts?.Cancel();
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_cts?.Dispose();
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}
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}
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