Server Setup

npm install sockjs

const http = require('http');
const sockjs = require('sockjs');

const sockjs_server = sockjs.createServer({
  prefix: '/sockjs'
});

sockjs_server.on('connection', function(conn) {
  conn.on('data', function(message) {
    conn.write('Echo: ' + message);
  });
});

const server = http.createServer();
sockjs_server.installHandlers(server);
server.listen(8080);