/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

5 votes324 views2 answers
Timeout angularjs
Javascript AngularJS
0 vote328 views1 answer
Slice pipe in angular
Javascript AngularJS
0 vote326 views1 answer
Angular radio box already showing checked
Javascript AngularJS
0 vote282 views1 answer
Fullcalendar angular add events
Javascript AngularJS
7 votes327 views2 answers
Make angular to run on a different port
Javascript AngularJS
0 vote337 views1 answer
Get all form errors angular
Javascript AngularJS
12 votes325 views2 answers
Angular string contains
Javascript AngularJS
0 vote318 views1 answer
Get current url last part angular
Javascript AngularJS
10 votes364 views3 answers
Angular create service command line
Javascript AngularJS
2 votes341 views1 answer
@input and @Output in angular
Javascript AngularJS