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linkWithPopup() function

Links the authenticated provider to the user account using a pop-up based OAuth flow.

Signature:

export declare function linkWithPopup(user: User, provider: AuthProvider, resolver?: PopupRedirectResolver): Promise<UserCredential>;

Parameters

Parameter	Type	Description
user	User	The user.
provider	AuthProvider	The provider to authenticate. The provider has to be an OAuthProvider. Non-OAuth providers like EmailAuthProvider will throw an error.
resolver	PopupRedirectResolver	An instance of PopupRedirectResolver, optional if already supplied to initializeAuth() or provided by getAuth().

Returns:

Promise<UserCredential>

Description

If the linking is successful, the returned result will contain the user and the provider's credential.

Example

// Sign in using some other provider.
const result = await signInWithEmailAndPassword(auth, email, password);
// Link using a popup.
const provider = new FacebookAuthProvider();
await linkWithPopup(result.user, provider);