https://itnext.io/step-by-step-complete-firebase-authentication-in-angular-2-97ca73b8eb32
Homniserv/angular2-step-complete-firebase-authentication
https://itnext.io/step-by-step-complete-firebase-authentication-in-angular-2-97ca73b8eb32
TypeScript
https://itnext.io/step-by-step-complete-firebase-authentication-in-angular-2-97ca73b8eb32
TypeScript