Merge 87c04a29fa into d210e3d76a

Added new extension method that fixes DoTween null-reference, when using GetCancellationOnDestroy()

src/UniTask/Assets/Plugins/UniTask/Runtime/External/DOTween/DOTweenAsyncExtensions.cs

@@ -99,6 +99,23 @@ namespace Cysharp.Threading.Tasks
             return new UniTask(TweenConfiguredSource.Create(tween, tweenCancelBehaviour, cancellationToken, CallbackType.StepComplete, out var token), token);
         }
         
+        public static async UniTask AwaitWithCancellation(this Tween tween, CancellationToken cancellationToken)
+        {
+			Error.ThrowArgumentNullException(tween, nameof(tween));
+
+			if (!tween.IsActive()) await UniTask.CompletedTask;
+            
+			using var registration = cancellationToken.Register(() =>
+			{
+				if (tween.IsActive())
+				{
+					tween.Kill();
+				}
+			});
+
+			await tween.ToUniTask(TweenCancelBehaviour.KillAndCancelAwait, cancellationToken);
+        }
+
         public struct TweenAwaiter : ICriticalNotifyCompletion
         {
             readonly Tween tween;