Firebase Auth Using Facebook In Expo

app.json

{
  "expo": {
    ...
    "extra": {
      "firebase": {
        "apiKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
        "authDomain": "xxxxxxxxxx.firebaseapp.com",
        "databaseURL": "xxxxxxxxxxxxxxxxxxxxxxxxxx",
        "projectId": "xxxxxxxxxx",
        "storageBucket": "xxxxxxxxxx.appspot.com",
        "messagingSenderId": "xxxxxxxxxxxx"
      },
      "facebook": {
        "appId": "xxxxxxxxxxxxxxx"
      },
    }
  }
}