Angular2 / RxJS - updating variable after getting data from Http observable

Question

I would like to turn on my loader icon (e.g. spinner) isLoaderEnabled when data starts to download from API and turn it off when successfully received. What wou

Answer 1

getList() {
  this._http.get('../fake-data/someFile.json')
    .map(response => response.json())
    .do(val => this.spinner = true)
    .subscribe(
      data => {
        this.dataStore.meetingList = data;
        this.meetingListObserver.next(this.dataStore.meetingList);
      },
      err => console.log('>>>', 'Could not load meetings list. Error: ', err),
      () => this.spinner = false)
    );
}