medium-rxjs-logging-3.js

import { Observable } from 'rxjs/Observable';
import { ajax } from 'rxjs/observable/dom/ajax';

const getRepos = action$ =>
  action$.ofType('REPOS_REQUEST')
    .map(action => action.payload.user)
    .switchMap(user => ajax
      .getJSON(`https://api.notgithub.com/users/${user}/repos`)
      .map(repos => { type: 'REPOS_RESPONSE', payload: { repos } })
      .catch(error => Observable.of({ type: 'REPOS_ERROR' }))
    )
    .tag('getRepos');