luckysheet-ot/packages/ot-demo/server.js

const Express = require('express');
const HTTP = require('http');
const Socket = require('socket.io');
const Node = require("./dist/js/server");

const app = Express();
const http = HTTP.Server(app);
const socket = Socket(http);
const server = new Node.Server();

app.get('/', (req, res) => {
  res.sendFile(`${__dirname}/index.html`);
});
app.use('/dist', Express.static('dist'));
http.listen(3000, () => {
  console.log('listening on *:3000');
});
socket.on('connection', (socket) => {
  server.addSocketClient(socket);
});