JAVASCRIPT

uncaught (in promise): both the table and dtoptions cannot be empty

export class DatatableslibraryComponent implements OnInit, OnDestroy {

  users$: any[] = [];
  dtOptions: DataTables.Settings = {};
  dtTrigger: Subject<any> = new Subject();

  constructor(private http: HttpClient, private data: DataService) {
  }

  ngOnInit() {
    this.dtOptions = {
      pagingType: 'full_numbers',
      pageLength: 5,
      processing: true
    };
    this.data.getUsers().subscribe(data => {
      this.users$ = data;
      this.dtTrigger.next();
    });
  }

  ngOnDestroy(): void {
    this.dtTrigger.unsubscribe();
  }

}