/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 vote154 views1 answer
Display component in popup angular 8
Javascript AngularJS
0 vote127 views1 answer
Placing card on center in angular flex layout
Javascript AngularJS
35 votes265 views4 answers
Angular go to route
Javascript AngularJS
0 vote128 views2 answers
SaveAs method of file-saver in angular
Javascript AngularJS
2 votes132 views1 answer
Angular 9 how to get previous state
Javascript AngularJS
0 vote136 views1 answer
Masterselect angular 8
Javascript AngularJS
0 vote86 views2 answers
Font awesome npm angular
Javascript AngularJS
0 vote179 views1 answer
Toggle buttons angular styles
Javascript AngularJS
3 votes116 views1 answer
Start angular app server
Javascript AngularJS
0 vote136 views1 answer
Angular injector.create example
Javascript AngularJS