DeBouncer mixin for Dart

debouncer_mixin.dart

import 'dart:async';

mixin DeBouncer {
  Timer? _debounce;

  deBouncer(Function callback) {
    if (_debounce?.isActive ?? false) _debounce?.cancel();
    _debounce = Timer(Duration(milliseconds: 300), () {
      callback();
    });
  }
}

// Usage
class SearchController extends Controller with DeBouncer {
  List<Product>? results;

  void search(String query) async {
    deBouncer(() async {
      results?.clear();
      results = await API.instance.searchProduct(query);
      update();
    });
  }
}

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