import {
Attribute,
Component,
ElementRef,
Inject,
Optional,
Query,
QueryList,
NgModule
} from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
// #docregion
@Component({
selector: 'hero-title',
template: `
{{titlePrefix}} {{title}}
`
})
class TitleComponent {
constructor(
@Inject('titlePrefix')
@Optional()
private titlePrefix: string,
@Attribute('title')
private title: string,
@Query('okMsg')
private msg: QueryList) {
}
ok() {
let msgEl =
this.msg.first.nativeElement;
msgEl.textContent = 'OK!';
}
}
// #enddocregion
@Component({
selector: 'hero-di-inject-additional',
template: `
`
})
class AppComponent { }
@NgModule({
imports: [ BrowserModule ],
declarations: [
AppComponent,
TitleComponent
],
bootstrap: [ AppComponent ]
})
export class HeroesDIInjectAdditionalModule { }