I am new to Angular 4, so I am creating a firebase chat app with Angular 4, and then when I import some modules like this:
import { AngularFire, AuthProviders, AuthMethods,FirebaseListObservable } from 'angularfire2';
I get an error for each module that says
Has no exported member AngularFire, AuthProviders, AUthMethods, FirebaseListObservable.
Thank you
The solution that worked for me was to change this line
import { AngularFire, AuthProviders, AuthMethods,FirebaseListObservable } from 'angularfire2';
to
import { AngularFireAuth } from 'angularfire2/auth';
import { AngularFireDatabase, FirebaseListObservable } from "angularfire2/database-deprecated";
You can read more about it here https://github.com/angular/angularfire2/blob/master/CHANGELOG.md
use AngularFireObject instead of FirebaseObjectObservable and AngularFireList instead of FirebaseListObservable ,this has been updated since AngularFire5
if you want more details checkout https://github.com/angular/angularfire2/blob/master/docs/version-5-upgrade.md