@override

Stream<Transition<ListEvent, ListState>>

  transformEvents(Stream<ListEvent> events, transitionFn) {

final defferedEvents = events

    .where((e) => e is SearchListEvent)

    .debounceTime(const Duration(seconds: 1))

    .distinct()

    .switchMap(transitionFn);

final forwardedEvents = events

    .where((e) => e is! SearchListEvent)

    .asyncExpand(transitionFn);

return forwardedEvents.mergeWith([defferedEvents]);

}

​

​

@override

Stream<ListState> mapEventToState(ListEvent event,) async* {

if (event is SearchListEvent) {

  yield ListLoadInProgressState();

  final failureOrSearch = await getProduct(Params(

    search: event.search,

    offset: event.offset,

    limit: event.limit,

  ));

  yield* _eitherLoadedOrErrorState(failureOrSearch);

} 

}