A utility class that can hold values from Stream<List>

streamed_list.dart

import 'dart:async';

class StreamedList<T> {
  StreamController<List<T>> _controller = StreamController.broadcast();

  Stream<List<T>> get stream => _controller.stream;
  List<T> get dataList => this._list;

  List<T> _list = [];

  void removeFromList(T value) {
    List<T> dataList = List.generate(
      this.dataList.length,
      (index) => this.dataList.elementAt(index),
      growable: true,
    );

    dataList.remove(value);
    updateList(dataList);
  }

  void updateList(List<T> list) {
    _list = list;
    _dispatch();
  }

  void addToList(T value) {
    _list = [..._list, value];
    _dispatch();
  }

  void _dispatch() {
    _controller.sink.add(_list);
  }

  void dispose() {
    _list = null;
    _controller.close();
  }
}