/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

1 vote201 views1 answer
Convert string to uppercase typescript
TypeScript
0 vote154 views1 answer
Delete all documents from collection flutter firestore
TypeScript
1 vote200 views4 answers
Pokediggerprank244
TypeScript
1 vote213 views2 answers
Clipping input data to the valid range for imshow with RGB data ([0..1] for floats or [0..255] for integers)
TypeScript
2 votes214 views3 answers
Sum of digits in c++
TypeScript
-1 vote197 views1 answer
Is brackets a good code editor
TypeScript
0 vote188 views1 answer
Isolate digits in large number cpp
TypeScript
0 vote191 views1 answer
____________ determines the time spent in various parts of the unit.
TypeScript
2 votes208 views5 answers
Js create query string from object
TypeScript
0 vote258 views2 answers
Discord.js stats command
TypeScript