in auth-next/google-signin.js [144:156]
function isUserEqual(googleUser, firebaseUser) {
if (firebaseUser) {
const providerData = firebaseUser.providerData;
for (let i = 0; i < providerData.length; i++) {
if (providerData[i].providerId === GoogleAuthProvider.PROVIDER_ID &&
providerData[i].uid === googleUser.getBasicProfile().getId()) {
// We don't need to reauth the Firebase connection.
return true;
}
}
}
return false;
}