/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 vote148 views3 answers
Angular loop
Javascript AngularJS
2 votes150 views2 answers
Lodash angular 9
Javascript AngularJS
0 vote166 views1 answer
Angular format phone number while typing
Javascript AngularJS
0 vote149 views1 answer
Angular chart js Doughnut colors
Javascript AngularJS
0 vote201 views3 answers
Angular stepper change wait before changing
Javascript AngularJS
7 votes97 views1 answer
Angular get previous route
Javascript AngularJS
0 vote189 views2 answers
Angular 8 remove cookies
Javascript AngularJS
-1 vote163 views1 answer
How to disable previous date in datepicker using angular 6
Javascript AngularJS
0 vote164 views1 answer
Angular view not changing on model
Javascript AngularJS
2 votes223 views1 answer
Angularjs 'angular' is not defined
Javascript AngularJS