Angular HTTP GET with TypeScript error http.get(…).map is not a function in [null]

Question

I have a problem with HTTP in Angular.

I just want to GET a JSON list and show it in the view.

Service class

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Answer 1

With Angular 5 the RxJS import is improved.

Instead of

import 'rxjs/add/operator/map';

We can now

import { map } from 'rxjs/operators';