Mike example

gistfile1.txt

import { BehaviorSubject } from 'rxjs/BehaviorSubject';



class ExampleForMike {

  private userStream$: BehaviorSubject<any>;

  public getStream():BehaviorSubject<> {
    return this.userStream$;
  }
  
  public getNameStream():BehaviorSubject<> {
    return this.userStream$.map((data) => { return data.firstName + ' ' + data.lastName }
  }

}