Answers for "error firebase firebase app named ' default ' already exists (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
0

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

// Config file
import * as firebase from "firebase";

const config = {...};

export default !firebase.apps.length ? firebase.initializeApp(config) : firebase.app();

// Other file
import firebase from '../firebase';
...
console.log(firebase.name);
Posted by: Guest on March-14-2021

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