const EventEmitter = require('events')

const myHttp = {}

class MyServer extends EventEmitter {
  listen () {
    // Имитация бурной дейтельности
    setTimeout(() => this.emit('request', { stream: 'request' }, { stream: 'response' }), 3000)
  }
}

myHttp.createServer = (listener) => {
  const server = new MyServer()
  server.on('request', listener)
  return server
}

const server = myHttp.createServer(function (req, res) {
  console.log(req.stream)
  console.log(res.stream)
})

server.listen()