Alex Rickabaugh db56836425 feat: tree-shakeable providers API updates (#22655)
Rename @Injectable({scope -> providedIn}).

Instead of {providedIn: APP_ROOT_SCOPE}, accept {providedIn: 'root'}.
Also, {providedIn: null} implies the injectable should not be added
to any scope.

PR Close #22655
2018-03-13 09:28:05 -07:00

39 lines
968 B
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Component, Inject, Injectable, NgModule} from '@angular/core';
import {BrowserModule} from '@angular/platform-browser';
import {ServerModule} from '@angular/platform-server';
@Component({
selector: 'string-app',
template: '{{data}}',
})
export class AppComponent {
data: string;
constructor(service: Service) { this.data = service.data; }
}
@NgModule({
imports: [
BrowserModule.withServerTransition({appId: 'id-app'}),
ServerModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
providers: [{provide: 'someStringToken', useValue: 'works'}],
})
export class StringAppModule {
}
@Injectable({providedIn: StringAppModule})
export class Service {
constructor(@Inject('someStringToken') readonly data: string) {}
}