angular-cn/public/docs/_examples/toh-5/dart/lib/hero_service.dart

24 lines
550 B
Dart

// #docregion
import 'dart:async';
import 'package:angular2/core.dart';
import 'hero.dart';
import 'mock_heroes.dart';
@Injectable()
class HeroService {
Future<List<Hero>> getHeroes() async => mockHeroes;
// See the "Take it slow" appendix
Future<List<Hero>> getHeroesSlowly() {
return new Future<List<Hero>>.delayed(
const Duration(seconds: 2), () => mockHeroes);
}
// #docregion get-hero
Future<Hero> getHero(int id) async =>
(await getHeroes()).firstWhere((hero) => hero.id == id);
// #enddocregion get-hero
}