///Setup del chart desiderato con id univoco
window.setup = (id, config) => {
    var ctx = document.getElementById(id);
    if (window['mlChart' + id] instanceof Chart) {
        window['mlChart' + id].destroy();
        window['mlChart' + id] = new Chart(ctx, config);
    }
    else {
        window['mlChart' + id] = new Chart(ctx, config);
    }

}