/Javascript/AngularJS/Calling angular component method in service

Calling angular component method in service

// -------------------------------------------------------------------------------------
// codes for component
import { JustAService} from '../justAService.service';
@Component({
  selector: 'app-cute-little',
  templateUrl: './cute-little.component.html',
  styleUrls: ['./cute-little.component.css']
})
export class CuteLittleComponent implements OnInit {
  s: JustAService;
  a: number = 10;
  constructor(theService: JustAService) {
    this.s = theService;
  }

  ngOnInit() {
    this.s.onSomethingHappended(this.doThis.bind(this));
  }

  doThis() {
    this.a++;
    console.log('yuppiiiii, ', this.a);
  }
}
// -------------------------------------------------------------------------------------
// codes for service
@Injectable({
  providedIn: 'root'
})
export class JustAService { 
  private myFunc: () => void;
  onSomethingHappended(fn: () => void) {
    this.myFunc = fn;
    // from now on, call myFunc wherever you want inside this service
  }
}

Source: stackoverflow.com

Similar codes

0 vote159 views1 answer
Map vs subscribe angular
Javascript AngularJS
-1 vote183 views2 answers
Angular loop through array
Javascript AngularJS
0 vote180 views1 answer
Documentation tool for angular applications
Javascript AngularJS
1 vote152 views1 answer
Submit a form on enter angular
Javascript AngularJS
7 votes139 views4 answers
Angular js
Javascript AngularJS
0 vote180 views1 answer
How to refresh page angular
Javascript AngularJS
0 vote172 views1 answer
Autocomplete list angular 8 material
Javascript AngularJS
6 votes180 views4 answers
Bootstrap not working in angular
Javascript AngularJS
43 votes210 views6 answers
Angular check if array is empty
Javascript AngularJS
2 votes124 views2 answers
Placeholder in angular 9 select with working required
Javascript AngularJS