How to fix rxjs highlighting in WebStorm?

Question

Angular

I now have highlights throughout the code prntscr.com/daowha

Answer 1

Each rxjs method needs to be wired separately. Of course, you can connect the entire library at once, but only what you need is better.
In the case of .map it will be like this import 'rxjs/add/operator/map.js'

Answer 2

import {Observable} from 'rxjs/Rx';