2bd9946bda
* example(dart/toh-4,5): getHeroesSlowly() to return getHeroes() Have `getHeroesSlowly()` delay and then return the value of `getHeroes()`. This makes it easier for user’s performing the tutorial to keep this slower method as they evolve toh-5 into toh-6. * example(ts/toh-4,5): getHeroesSlowly() to return getHeroes() Have `getHeroesSlowly()` delay and then return the value of `getHeroes()`. This makes it easier for user’s performing the tutorial to keep this slower method as they evolve toh-5 into toh-6.
23 lines
504 B
Dart
23 lines
504 B
Dart
// #docregion
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import 'dart:async';
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import 'package:angular2/core.dart';
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import 'hero.dart';
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import 'mock_heroes.dart';
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@Injectable()
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class HeroService {
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Future<List<Hero>> getHeroes() async => mockHeroes;
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Future<List<Hero>> getHeroesSlowly() {
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return new Future<List<Hero>>.delayed(
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const Duration(seconds: 2), getHeroes);
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}
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// #docregion getHero
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Future<Hero> getHero(int id) async =>
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(await getHeroes()).firstWhere((hero) => hero.id == id);
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// #enddocregion getHero
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}
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