小编Yuv*_*n M的帖子

我尝试注册并登录 firebase 。我使用Firebase (fire-store)、postman、express(REST API)。

我的代码（index.js）

const functions = require("firebase-functions");
const admin = require("firebase-admin");

admin.initializeApp(config); 
// i'm not  provide the config data here, but initialized in my actual code.

const express = require("express");
const app = express();

let db = admin.firestore();

// Signup route 
app.post('/signup', (req,res) => {
  const newUser = {
    email: req.body.email,
    password: req.body.password,
    confirmPassward: req.body.confirmPassword,
    handle: req.body.handle
  };

  let token, userId;
  db.doc(`/users/${newUser.handle}`)
    .get()
      .then(doc => {
        if(doc.exists) {
          return res.status(400).json({ hanldle: 'this hanlde is already …