Javascript Express.js，如何将 jwt cookie 传递给 Socket.io

我有一个登录路径，最终创建了一个名为access_token的jwt cookie.登录后，客户端将收到此cookie，并在每次请求时发送它.然而，我没有找到一种方法把这个cookies 传给插座.伊奥.

服务器端登录路径:

const login = async (req, res) => {
      const {email, password} = req.body
      const user = await UserModel.findOne({email})
      const isMatch = await user.checkPassword(password)
      if (isMatch) {
        const userToken = JwtService.createToken(user.id)
        return res.cookie("access_token", userToken, {
            httpOnly: true,
            secure: process.env.NODE_ENV === "production"
        }).status(200).json({user:user.toJSON(),message: 'login success'})

    }
 }

插座:

this.io = new socketio.Server(expressServer, {cors: {origin: 'http://localhost:3000'}})
    this.io.use((socket,next)=>{
        console.log(socket.handshake.headers.cookie); // undefiend
        next()
    })

客户:

  this.socket = socketIOClient(process.env.SOCKET_BASE_URL, {auth: {userId}});

服务器:

         import express, {RequestHandler} from 'express';
        import http from 'http'
        import cookieParser from "cookie-parser"
        import cors from 'cors';
        import {router} from '@router';
        import dotenv from 'dotenv'
        import mongoose from 'mongoose';
        import {SocketService} from "@services";
        
        const expressApp = express();
        
        const port = process.env.PORT || 3001;
        dotenv.config()
        
        expressApp.use(cors({
            origin: true,
            credentials: true
        }));
        expressApp.use(express.json() as RequestHandler);
        expressApp.use(cookieParser());
        expressApp.use('/', router)
        
        const httpServer = http.createServer(expressApp);
        new SocketService(httpServer)
        
        httpServer.listen(port, async () => {
            console.log(`server is listening on ${port}`);
            try {
               await mongoose.connect('mongodb://guess-it-mongo-dev:27017/guess-it', {connectTimeoutMS: 1000});
               console.log('connected to mongo server')
            } catch (e) {
                console.log(e);
            }
        });