64 lines
2.1 KiB
TypeScript
64 lines
2.1 KiB
TypeScript
/* tslint:disable:one-line*/
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// #docplaster
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// #docregion injection-token
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import { InjectionToken } from '@angular/core';
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export const TITLE = new InjectionToken<string>('title');
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// #enddocregion injection-token
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// #docregion hero-of-the-month
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import { Component, Inject } from '@angular/core';
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import { DateLoggerService } from './date-logger.service';
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import { Hero } from './hero';
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import { HeroService } from './hero.service';
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import { LoggerService } from './logger.service';
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import { MinimalLogger } from './minimal-logger.service';
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import { RUNNERS_UP,
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runnersUpFactory } from './runners-up';
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// #enddocregion hero-of-the-month
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// #docregion some-hero
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const someHero = new Hero(42, 'Magma', 'Had a great month!', '555-555-5555');
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// #enddocregion some-hero
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// #docregion hero-of-the-month
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@Component({
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selector: 'app-hero-of-the-month',
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templateUrl: './hero-of-the-month.component.html',
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providers: [
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// #docregion use-value
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{ provide: Hero, useValue: someHero },
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// #docregion provide-injection-token
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{ provide: TITLE, useValue: 'Hero of the Month' },
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// #enddocregion provide-injection-token
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// #enddocregion use-value
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// #docregion use-class
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{ provide: HeroService, useClass: HeroService },
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{ provide: LoggerService, useClass: DateLoggerService },
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// #enddocregion use-class
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// #docregion use-existing
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{ provide: MinimalLogger, useExisting: LoggerService },
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// #enddocregion use-existing
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// #docregion provide-injection-token, use-factory
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{ provide: RUNNERS_UP, useFactory: runnersUpFactory(2), deps: [Hero, HeroService] }
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// #enddocregion provide-injection-token, use-factory
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]
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})
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export class HeroOfTheMonthComponent {
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logs: string[] = [];
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// #docregion ctor-signature
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constructor(
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logger: MinimalLogger,
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public heroOfTheMonth: Hero,
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@Inject(RUNNERS_UP) public runnersUp: string,
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@Inject(TITLE) public title: string)
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// #enddocregion ctor-signature
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{
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this.logs = logger.logs;
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logger.logInfo('starting up');
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}
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}
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// #enddocregion hero-of-the-month
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