Uncaught FirebaseError:

[문유현]

Uncaught FirebaseError: Firebase: No Firebase App '[DEFAULT]' has been created - call Firebase App.initializeApp() (app/no-app).
    at u (firebaseNamespaceCore.ts:114:27)
    at Object.e [as firestore] (firebaseNamespaceCore.ts:196:31)
    at (index):30:23
(index):27 Uncaught ReferenceError: initializeApp is not defined
    at (index):27:17
이거 왜이런가요??Firestore Database에서 데이터 가져오는 법 (읽기) 단계입니다.

[codingapple]

firebase 설정하는 코드가 뭔가 잘못된게 있나 확인해봅시다

[글쓴이]

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