View Component

view.component.ts

import { LoginService } from './login.service';

export class ViewComponent implements OnInit {

  constructor(private loginService: LoginService) {}

  ngOnInit() {
    if (this.loginService.login('tester', 'password')) {
      console.log('Logged In');
    } else {
      console.log('Invalid auth');
    }
  }
}