Property 'toPromise' does not exist on type 'Observable'

Question

import { Headers, Http } from \'@angular/http\';

@Injectable()
export class PublisherService{

    private publishersUrl =          


        

Answer 1

You need to add the operator like this:

import 'rxjs/add/operator/toPromise';

This is needed for every rxjs operator you want to use.