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

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

Source: stackoverflow.com

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

if (!firebase.apps.length) {
    firebase.initializeApp({});
}

Source: github.com

FirebaseError: 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);
console.log(firebase.database());

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

if (!firebase.apps.length) {
    firebase.initializeApp(firebaseConfig);
}

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);

Similar codes

0 vote270 views1 answer
Reports for market research
TypeScript
11 votes291 views2 answers
Tonumber typescript / Number typescript
TypeScript
0 vote275 views1 answer
Ubuntu hosts file location
TypeScript
0 vote250 views1 answer
How to keep only certian objects python
TypeScript
0 vote273 views1 answer
Cannot find name 'application' nativescript
TypeScript
7 votes327 views2 answers
Replaceall typescript
TypeScript
0 vote258 views1 answer
Deno allow net
TypeScript
0 vote260 views1 answer
How to check if all elements are equal C#
TypeScript
1 vote267 views2 answers
Replying to tweets api tweepy
TypeScript
0 vote282 views2 answers
How to teleport a sprite to a new room in game maker studio 2
TypeScript