angular_bloc 8.0.0 angular_bloc: ^8.0.0 copied to clipboard
Angular Components that make it easy to implement the BLoC (Business Logic Component) design pattern. Built to be used with the bloc state management package.
// This example is one-pager for the [angular_bloc](https://github.com/felangel/bloc/tree/master/examples/angular_counter) example.
import 'package:angular/angular.dart';
import 'package:angular_bloc/angular_bloc.dart';
@Component(
selector: 'my-app',
template: '<counter-page></counter-page>',
directives: [CounterPageComponent],
)
class AppComponent {}
abstract class CounterEvent {}
class Increment extends CounterEvent {}
class Decrement extends CounterEvent {}
class CounterBloc extends Bloc<CounterEvent, int> {
CounterBloc() : super(0) {
on<Increment>((event, emit) => emit(state + 1));
on<Decrement>((event, emit) => emit(state - 1));
}
@override
void onTransition(Transition<CounterEvent, int> transition) {
super.onTransition(transition);
print(transition);
}
}
const String template =
r'''<div><h1>Counter App</h1><h2>Current Count: {{ $pipe.bloc(counterBloc) }}</h2><button (click)="increment()">+</button><button (click)="decrement()">-</button></div>''';
@Component(
selector: 'counter-page',
pipes: [BlocPipe],
template: template,
)
class CounterPageComponent implements OnInit, OnDestroy {
late final CounterBloc counterBloc;
@override
void ngOnInit() {
counterBloc = CounterBloc();
}
@override
void ngOnDestroy() {
counterBloc.close();
}
void increment() => counterBloc.add(Increment());
void decrement() => counterBloc.add(Decrement());
}