app.service.ts

import {HttpClient} from '@angular/common/http';
import {Injectable} from '@angular/core';
import {nshmpHaz} from '@ghsc/nshmp-web-utils';
import {Observable, throwError} from 'rxjs';
import {map} from 'rxjs/operators';

@Injectable({
  providedIn: 'root',
})
export class AppService {
  url =
    'https://earthquake.usgs.gov/nshmp-haz-ws/deagg/E2014B/COUS/-104/39/PGA/760/2475';

  constructor(private http: HttpClient) {}

  get callDeagg$(): Observable<nshmpHaz.disaggService.DisaggResponse> {
    return this.http.get(this.url).pipe(
      map((response: nshmpHaz.disaggService.DisaggResponse) => {
        if (response.status === 'error') {
          throwError(response['message']);
        }
        return response;
      })
    );
  }
}