Add UUID for connection ID

Author: cnotv

package.json

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "express": "^4.19.2",
-    "socket.io": "^4.7.5"
+    "socket.io": "^4.7.5",
+    "uuid": "^9.0.1"
   }
 }

server.js

@@ -2,6 +2,7 @@ const { Server } = require('socket.io');
 const express = require('express');
 const { createServer } = require('http');
 const cors = require('cors');
+const uuid = require('uuid');
 
 const app = express();
 app.use(cors());
@@ -14,14 +15,14 @@ app.get('/', (req, res) => {
 const httpServer = createServer(app);
 const io = new Server(httpServer, { 
   cors: {
+    // origin: '*',
     origin: ['https://cnotv-multi-game.netlify.app/', 'http://localhost:4000/'],
     methods: ['GET', 'POST'],
   },
  });
 
 io.on('connection', (socket) => {
   const count = io.engine.clientsCount;
-  const uuid = require('uuid');
 
   io.engine.generateId = (req) => {
     return uuid.v4(); // must be unique across all Socket.IO servers
@@ -30,7 +31,7 @@ io.on('connection', (socket) => {
   console.log(`New connection: ${socket.id} - Total clients: ${count}`);
 
   io.engine.on('connection_error', (err) => {
-    console.log(err);
+    console.log(err.message);
   });
 });
 

yarn.lock

@@ -571,6 +571,11 @@ [email protected]:
   resolved "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
   integrity sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==
 
+uuid@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz#e188d4c8853cc722220392c424cd637f32293f30"
+  integrity sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==
+
 vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"