如何解决使用 Firebase 模拟器时出现 TypeError
我正在尝试设置 Firebase 模拟器,但在尝试使用 Firestore 时出现以下错误(托管、函数和身份验证均按预期工作)。
[错误] 类型错误:firebase.firestore().useEmulator 不是函数。 (在 'firebase.firestore().useEmulator(firebaseEmulators.firestore.host,firebaseEmulators.firestore.port)' 中,'firebase.firestore().useEmulator' 未定义) 全局代码 (init.js:39)
这是相关的 init.js 代码:
if (firebaseConfig) {
firebase.initializeApp(firebaseConfig);
var firebaseEmulators = {
"auth": {
"host": "localhost","port": 9099
},"firestore": {
"host": "localhost","port": 8080
},"functions": {
"host": "localhost","port": 5001
}
};
if (firebaseEmulators) {
console.log("Automatically connecting Firebase SDKs to running emulators:");
Object.keys(firebaseEmulators).forEach(function(key) {
console.log('\t' + key + ': http://' + firebaseEmulators[key].host + ':' + firebaseEmulators[key].port );
});
if (firebaseEmulators.database && typeof firebase.database === 'function') {
firebase.database().useEmulator(firebaseEmulators.database.host,firebaseEmulators.database.port);
}
if (firebaseEmulators.firestore && typeof firebase.firestore === 'function') {
firebase.firestore().useEmulator(firebaseEmulators.firestore.host,firebaseEmulators.firestore.port);
}
if (firebaseEmulators.functions && typeof firebase.functions === 'function') {
firebase.functions().useEmulator(firebaseEmulators.functions.host,firebaseEmulators.functions.port);
}
if (firebaseEmulators.auth && typeof firebase.auth === 'function') {
firebase.auth().useEmulator('http://' + firebaseEmulators.auth.host + ':' + firebaseEmulators.auth.port);
}
} else {
console.log("To automatically connect the Firebase SDKs to running emulators,replace '/__/firebase/init.js' with '/__/firebase/init.js?useEmulator=true' in your index.html");
}
}
<script src="/__/firebase/7.24.0/firebase-app.js"></script>
<script src="/__/firebase/7.24.0/firebase-analytics.js"></script>
<script src="/__/firebase/7.24.0/firebase-auth.js"></script>
<script src="/__/firebase/7.24.0/firebase-firestore.js"></script>
<script src="/__/firebase/init.js?useEmulator=true"></script>
在相关的 index.js 文件中:
const auth = firebase.auth();
const db = firebase.firestore();
它在非仿真的服务器上运行良好(没有 ?useEmulator=true)。
我使用的是最新的 firebase cli 9.1.0
谢谢
解决方法
我使用了错误版本的 Firebase 7.24.0,而不是超过 8。以防万一其他人遇到此问题。
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