/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

139 votes274 views6 answers
Angular cli
Javascript AngularJS
6 votes252 views2 answers
Hide and show in angular 8
Javascript AngularJS
0 vote232 views1 answer
Backtick in angular
Javascript AngularJS
2 votes227 views3 answers
Angular auth guard
Javascript AngularJS
1 vote222 views4 answers
Get rid of white space around Angular Material modal dialog
Javascript AngularJS
0 vote247 views1 answer
No styles are appearing in angular calendar
Javascript AngularJS
-1 vote241 views1 answer
Angular multiple validator pattern single input
Javascript AngularJS
0 vote231 views1 answer
Allow downloads from angular website
Javascript AngularJS
0 vote228 views1 answer
Angular specific attributes and locators list
Javascript AngularJS
0 vote237 views1 answer
How to use buffer in angular by using browserify
Javascript AngularJS