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

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

Code answers related to "Firebase: Firebase App named '[DEFAULT]' already exists with different options or config (app/duplicate-app).]"