Cancel Background long-running Tasks when a user navigates to another page in Blazor

@page "/State"
@implements IDisposable

<h3>State</h3>

<p>@output</p>

@code {
    private string output = "";
    private CancellationTokenSource cts = new();
    
    protected override async Task OnInitializedAsync()
    {
        while (!cts.IsCancellationRequested)
        {
            await Task.Delay(1000);
            var rnd = new Random();
            output = rnd.Next(1, 50).ToString();
            StateHasChanged();
        }
        
        // cts.Token.ThrowIfCancellationRequested();
    }
    
    public void Dispose()
    {
        cts.Cancel();
        cts.Dispose();
    }
}

References
https://docs.microsoft.com/en-us/aspnet/core/blazor/components/lifecycle?view=aspnetcore-6.0#cancelable-background-work
https://www.syncfusion.com/faq/blazor/web-api/how-do-i-cancel-background-long-running-tasks-when-a-user-navigates-to-another-page-in-blazor

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