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

FirebaseError: 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

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());

Similar codes

22 votes299 views4 answers
Typescript string to number
TypeScript
0 vote301 views1 answer
When to choose automation over manual testing
TypeScript
0 vote294 views1 answer
Angular build Failed to load resource
TypeScript
1 vote282 views1 answer
Angular jasmin mock http response
TypeScript
5 votes318 views5 answers
Angular 8 ngClass If
TypeScript
0 vote291 views1 answer
Testing with limited information
TypeScript
4 votes266 views3 answers
Typescript get current timestamp
TypeScript
0 vote294 views1 answer
I like
TypeScript
0 vote287 views2 answers
File_get_contents url fail
TypeScript
5 votes273 views2 answers
Convert object object to array typescript
TypeScript