48 lines
1.2 KiB
TypeScript
48 lines
1.2 KiB
TypeScript
// #docplaster
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//#docregion
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import { Component, Injector } from '@angular/core';
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import { Car, Engine, Tires } from './car/car';
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import { HeroService } from './heroes/hero.service';
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import { heroServiceProvider } from './heroes/hero.service.provider';
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import { Logger } from './logger.service';
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//#docregion injector
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@Component({
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selector: 'my-injectors',
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template: `
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<h2>Other Injections</h2>
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<div id="car">{{car.drive()}}</div>
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<div id="hero">{{hero.name}}</div>
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<div id="rodent">{{rodent}}</div>
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`,
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providers: [Car, Engine, Tires,
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heroServiceProvider, Logger]
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})
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export class InjectorComponent {
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constructor(private injector: Injector) { }
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car:Car = this.injector.get(Car);
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//#docregion get-hero-service
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heroService:HeroService = this.injector.get(HeroService);
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//#enddocregion get-hero-service
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hero = this.heroService.getHeroes()[0];
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get rodent() {
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let rous = this.injector.get(ROUS, null);
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if (rous) {
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throw new Error('Aaaargh!')
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}
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return "R.O.U.S.'s? I don't think they exist!";
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}
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}
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//#enddocregion injector
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/**
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* R.O.U.S. - Rodents Of Unusual Size
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* // https://www.youtube.com/watch?v=BOv5ZjAOpC8
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*/
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class ROUS { }
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