import { SocialAuthService } from "angularx-social-login";import { FacebookLoginProvider, GoogleLoginProvider } from "angularx-social-login"; @Component({ selector: 'app-demo', templateUrl: './demo.component.html', styleUrls: ['./demo.component.css']})export class DemoComponent implements OnInit { constructor(private authService: SocialAuthService) { } signInWithGoogle(): void { this.authService.signIn(GoogleLoginProvider.PROVIDER_ID); } signInWithFB(): void { this.authService.signIn(FacebookLoginProvider.PROVIDER_ID); } signOut(): void { this.authService.signOut(); } }