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[英]React JS, Firebase, TypeError: Cannot read property 'initializeApp' of undefined
[英]In Firebase I am getting an Uncaught TypeError: Cannot read property 'initializeApp' of undefined, but not sure why 'firebase' is not defined?
這是配置文件中的我的 firebase 導入等,為什么這無法識別 firebase?
import firebase from 'firebase/app'
import 'firebase/firestore'
import 'firebase/auth'
const firebaseConfig = {
apiKey: "XXX",
authDomain: "XXX",
projectId: "XXX",
storageBucket: "XXX",
messagingSenderId: "XXX",
appId: "XXX",
measurementId: "XXX"
}
//init firebase
firebase.initializeApp(firebaseConfig)
const projectAuth = firebase.auth()
const projectFirestore = firebase.firestore()
const timestamp = firebase.firestore.FieldValue.serverTimestamp
export { projectAuth, projectFirestore, timestamp }
如果您安裝了9.0.0
版,則必須使用 compat 庫來使用命名空間版本:
import firebase from 'firebase/compat/app'
import 'firebase/compat/firestore'
import 'firebase/compat/auth'
盡管我建議使用新的模塊化語法,該語法旨在促進搖樹(刪除未使用的代碼)以使您的 Web 應用程序盡可能小和快速。
import { initializeApp } from "firebase/app"
import { getAuth } from "firebase/auth";
import { getFirestore } from "firebase/firestore"
const app = initializeApp(firebaseConfig)
const projectAuth = getAuth(app)
const projectFirestore = getFirestore(app)
export { projectAuth, projectFirestore }
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