How to debounce Textfield onChange in Dart?

Question

I\'m trying to develop a TextField that update the data on a Firestore database when they change. It seems to work but I need to prevent the onChange event to fire multiple

Answer 1

Here is my solution

 subject = new PublishSubject();
      subject.stream
          .debounceTime(Duration(milliseconds: 300))
          .where((value) => value.isNotEmpty && value.toString().length > 1)
          .distinct()
          .listen(_search);