repeat-2.ts

import { repeat, filter, take } from 'rxjs';

@Injectable({ providedIn: 'root' })
export class FooService {
  private http = inject(HttpClient);

  doSometing(data) {
    return this.http.post('https://foo', data)
      .pipe(
        repeat({ delay: 1000 }),
        filter((res) => res.status === 'completed'),
        take(1)
      )
  }
}