How Can I Create Firebase User Accounts Without Signing Out the Current User?

Firebase and Automatic User Sign-In

Issue

Creating a new user account with Firebase prompts the platform to sign out the currently signed-in user. This action presents a challenge for administrators seeking to add accounts without interrupting their own sessions.

Firebase Authentication Behavior

Firebase documentation states that creating a new account automatically triggers the signing in of that user. However, it does not offer any guidance on overriding this behavior.

Solution: Using a Secondary Authentication Reference

To avoid signing out the current user, leverage a second authentication reference to create new user accounts:

var config = {apiKey: "apiKey",
    authDomain: "projectId.firebaseapp.com",
    databaseURL: "https://databaseName.firebaseio.com"};
var secondaryApp = firebase.initializeApp(config, "Secondary");

secondaryApp.auth().createUserWithEmailAndPassword(em, pwd).then(function(firebaseUser) {
    console.log("User " + firebaseUser.uid + " created successfully!");
    // Optional: Sign out from secondary authentication
    secondaryApp.auth().signOut();
});

Explanation

By establishing a separate authentication reference, the admin can operate on the platform without affecting the primary authentication session.

Note:

Remember that writing data to Firebase should be performed using the appropriate authentication reference, ensuring correct permissions for both the admin and the newly created user.

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