Audio player app

home.component.ts

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.scss']
})

export class HomeComponent implements OnInit {
error$ = new Subject<string>();
  
artists$: Observable<Song> = this._apiService.artists$
    .pipe(
      finalize(() => {
        this._loadingService.hide();
      }),
      catchError(error => {
        this.error$.next(error);
        return of(null);
      }));  
  
  constructor(private _apiService: ApiService,
              private _loadingService: LoadingService) {}
  
  ngOnInit() {
    this._loadingService.show();
  }
  
}