Getting error DocumentReference.set() called with invalid data. when setting user data in Firestore

Question

So I am trying to save user data from firebase into firestore and I keep getting this error

DocumentReference.set() called with invalid data. Unsupported field 
value: undefined (found in field uid)

Here are the 2 methods involved:

  register(credentials) {
    return this.afAuth.auth.createUserWithEmailAndPassword(credentials.email, credentials.password).then(user => {
      return this.setUserDoc(user);
    }).catch(error => console.log(error.message));
  }

  private setUserDoc(user) {
    console.log(user);
    const userRef: AngularFirestoreDocument<User> = this.afs.doc(`users/${user.uid}`);
    const data: User = {
      uid: user.uid, <-- says this is undefined
      email: user.email
    }

    return userRef.set(data);
  }

If I console.log(user) that is passed into the setUserDoc method I can open it and it has a uid but if I console.log(user.uid) it says undefined. Can someone help me figure out why this is happening?

Zach Starnes · Accepted Answer · 2018-06-27 18:56:28Z

1

Okay I figured it out. I was just one level too high. if I changed the call to pass credential.user it worked. So now the code is:

register(credentials) {
    return this.afAuth.auth.createUserWithEmailAndPassword(credentials.email, credentials.password).then(credential => {
      return this.setUserDoc(credential.user); <-- changed what was passed
    }).catch(error => alert(error.message));
  }

answered Jun 27, 2018 at 18:56

Zach Starnes

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