annotations/Azaion.Annotator/Extensions/ThrottleExtensions.cs

namespace Azaion.Annotator.Extensions;

public static class ThrottleExt
{
    private static bool _throttleOn;
    public static async Task Throttle(Func<Task> func, TimeSpan? throttleTime = null)
    {
        if (_throttleOn)
            return;

        _throttleOn = true;
        await func();
        _ = Task.Run(() =>
        {
            Task.Delay(throttleTime ?? TimeSpan.FromMilliseconds(500));
            _throttleOn = false;
        });
    }
}