import path from 'path';
import express from 'express';
import fs from 'fs';
import { createServer } from 'http';
import { Server } from 'socket.io';
// Create a server on port 3000
const PORT = process.env.PORT || 3000;

const app = express();
const server = createServer(app);
// socket.io

const io = new Server(server, {
  cors: {
    origin: '*',
  },
});

server.listen(PORT, function () {
  console.log('Server listening at port %d', PORT);
});

// Optionally routing your app
// app.use(express.static(path.join(__dirname, '../client')));

io.on('connection', function (socket) {
  socket.on('save', function (data) {
    //...  
  });

  socket.on('load', function () {
    ///...
  });
});