DebouncePolicy.cs

using System;
using System.Threading;
using System.Threading.Tasks;
 
namespace NeuroAccessMaui.UI.MVVM.Policies
{
    sealed class DebouncePolicy : IAsyncPolicy
    {
        private readonly TimeSpan delay;
 
        public DebouncePolicy(TimeSpan Delay)
        {
            ArgumentOutOfRangeException.ThrowIfLessThan(Delay, TimeSpan.Zero);
            this.delay = Delay;
        }
 
        public async Task ExecuteAsync(Func<CancellationToken, Task> action, CancellationToken ct)
        {
            if (this.delay > TimeSpan.Zero)
                await Task.Delay(this.delay, ct);
 
            await action(ct);
        }
 
        public async Task<T> ExecuteAsync<T>(Func<CancellationToken, Task<T>> action, CancellationToken ct)
        {
            if (this.delay > TimeSpan.Zero)
                await Task.Delay(this.delay, ct);
 
            return await action(ct);
        }
    }
}