A websocket server sending screenshot as base64 encoded blob

screenshot-websocket.js

// Requires ws and screenshot-desktop

const WebSocket = require('ws');
const screenshot = require('screenshot-desktop')

const wss = new WebSocket.Server({ port: 8889 });

wss.on('connection', function connection(ws) {
  ws.on('message', function incoming(message) {
    console.log('received: %s', message);
  });

  ws.on('close', ()=>{
    clearInterval(interval);
    console.log("disconnect")
  })
  console.log("connect")

  const interval = setInterval(()=>{
    screenshot({
        format: 'jpg'
    }).then(img => {
      ws.send(img);
    })
  }, 500)
});