http-stream-debug.js

const http = require('http')
const Readable = require('stream').Readable
const formBody = require('body/form')

http.createServer(function (req, res) {
  const stream = new Readable
  console.log('inbound')
  formBody(req, {}, (err, body) => {
    stream.push('hi')
    stream.push(null)
  })
  stream.pipe(res)
}).listen(8080)