31 lines
728 B
TypeScript
31 lines
728 B
TypeScript
import { Injectable } from '@angular/core';
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import { Hero } from './hero';
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import { HEROES } from './test-heroes';
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@Injectable()
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/** Dummy HeroService. Pretend it makes real http requests */
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export class HeroService {
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getHeroes() {
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return Promise.resolve(HEROES);
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}
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getHero(id: number | string): Promise<Hero> {
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if (typeof id === 'string') {
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id = parseInt(id as string, 10);
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}
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return this.getHeroes().then(
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heroes => heroes.find(hero => hero.id === id)
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);
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}
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updateHero(hero: Hero): Promise<Hero> {
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return this.getHero(hero.id).then(h => {
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if (!h) {
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throw new Error(`Hero ${hero.id} not found`);
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}
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return Object.assign(h, hero);
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});
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}
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}
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