findSuppliersById() { const observables = this.invitedSuppliersIds.map((id: string) => this.userService.getById(id)); console.log(observables); forkJoin(observables).subscribe({ next: (responses) => { console.log(responses); this.invitedSuppliersInfo = responses; }, error: (err) => { console.error(err); } }); }