45 lines
1008 B
TypeScript
45 lines
1008 B
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Component, Injectable, NgModule, Optional, Self} from '@angular/core';
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import {BrowserModule} from '@angular/platform-browser';
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import {ServerModule} from '@angular/platform-server';
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@Injectable()
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export class Service {
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}
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@Component({
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selector: 'hierarchy-app',
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template: '<child-cmp></child-cmp>',
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providers: [Service],
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})
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export class AppComponent {
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}
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@Component({
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selector: 'child-cmp',
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template: '{{found}}',
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})
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export class ChildComponent {
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found: boolean;
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constructor(@Optional() @Self() service: Service|null) { this.found = !!service; }
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}
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@NgModule({
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imports: [
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BrowserModule.withServerTransition({appId: 'hierarchy-app'}),
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ServerModule,
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],
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declarations: [AppComponent, ChildComponent],
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bootstrap: [AppComponent],
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})
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export class HierarchyAppModule {
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}
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