text: var app = require('http').createServer(handler)
  var io = require('socket.io')(app);
  
  app.listen(5186);
  
  io.on('connection', function (socket) {
    //socket.emit('news', { hello: 'world' });
    socket.on('gotofile-data',(data) => {
      console.log(data);
    })
  });
  
  function handler(req,res){
    res.send('hello');
  }
  