/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 vote135 views1 answer
Dynamic set required in angular using formcontrol
Javascript AngularJS
0 vote153 views1 answer
Add fraction in angular
Javascript AngularJS
0 vote142 views1 answer
Angular get name of component
Javascript AngularJS
13 votes158 views3 answers
Angular serve
Javascript AngularJS
0 vote210 views1 answer
Get current url last part angular
Javascript AngularJS
2 votes153 views5 answers
Ng class in angular
Javascript AngularJS
0 vote150 views1 answer
Convert angular HTTP to Native HTTP in Ionic
Javascript AngularJS
5 votes139 views3 answers
We need a server for server side rendering of angular
Javascript AngularJS
0 vote152 views1 answer
How to do if condition in kedo column in angular
Javascript AngularJS
-1 vote185 views1 answer
How to add changes every time you route navigate to page in angular
Javascript AngularJS