Async Validation with Angular Reactive Forms + Firebase

From the creator

Learn how to validate username uniqueness in Firebase with Angular Reactive Forms. We build a custom validator that checks the the Firestore DB for existing user records. https://angularfirebase.com/lessons/async-form-validation-in-firebase-enforce-uniqueness/ - Reactive Forms - https://angular.io/guide/reactive-forms - Firestore - https://stackoverflow.com/questions/46549766/whats-the-difference-between-cloud-firestore-and-the-firebase-realtime-database - AngularFire2 - https://github.com/angular/angularfire2

Published 2018-02-14 · Watch on YouTube ↗
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