[英]Node + express server: Firebase can't find default app
我在我的節點服務器上為我的項目使用 firebase。 在我將所有內容都放在一個index.js
文件中之前,我決定重構並給我的代碼一些命令。 不幸的是,在這樣做之后,我不斷收到此錯誤:
Error: The default Firebase app does not exist. Make sure you call initializeApp() before using any of the Firebase services.
每當我嘗試運行firebase server
或npm run serve
。
這是我的項目: index.js
:
const functions = require("firebase-functions");
const app = require("express")();
const { signup } = require("./handlers/users");
app.post("/signup-user", signup);
exports.api = functions.https.onRequest(app)
文件handlers/users
如下:
const firebase = require("firebase");
const { db } = require("../util/admin");
const config = require("../util/config");
firebase.initializeApp(config);
exports.signup = (req, res) => {
let userId;
let token;
const newUser = {
email: req.body.email,
password: req.body.password,
confirmPassword: req.body.confirmPassword
};
// validate inputs
firebase
.auth()
.createUserWithEmailAndPassword(newUser.email, newUser.password)
.then(data => {
userId = data.user.uid;
return data.user.getIdToken();
})
.then(token => {
token = token;
const newUserRole = {
email: newUser.email,
userId,
role: "user"
};
return db.collection("users").add(newUserRole);
})
.then(data => {
return res.status(201).json({ token });
})
.catch(err => {
console.error(err);
if (err.code === "auth/email-already-in-use") {
return res.status(400).json({ email: "Email already in use" });
} else {
return res.status(500).json({ error: err.code });
}
});
};
最后,文件admin
如下:
const admin = require("firebase-admin");
const serviceAccount = require("../../account.json");
const db = admin.firestore();
admin.initializeApp({
credential: admin.credential.cert(serviceAccount),
databaseURL: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
});
module.exports = { admin, db }
我怎樣才能解決這個問題?
最終我發現了問題。 在文件admin.js
,我在初始化應用程序本身之前初始化了 firestore:
const admin = require("firebase-admin");
const serviceAccount = require("../../account.json");
// This line should be moved after initializeApp`:
// const db = admin.firestore();
admin.initializeApp({
credential: admin.credential.cert(serviceAccount),
databaseURL: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
});
const db = admin.firestore();
module.exports = { admin, db }
現在一切都按預期工作!
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