Answers for "Firebase: Firebase App named '[DEFAULT]' already exists with different options or config (app/duplicate-app)."

5

Firebase: Firebase App named '[DEFAULT]' already exists

if (!firebase.apps.length) {
   firebase.initializeApp({});
}else {
   firebase.app(); // if already initialized, use that one
}
Posted by: Guest on December-16-2020
1

Firebase: Firebase App named '[DEFAULT]' already exists

if (!firebase.apps.length) {
    firebase.initializeApp({});
}
Posted by: Guest on February-16-2020
0

Firebase: Firebase App named '[DEFAULT]' already exists (app/duplicate-app).

if (!firebase.apps.length) {
    firebase.initializeApp(firebaseConfig);
}
Posted by: Guest on March-14-2021

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