make-promises-safe/example.js

Crash or abort if you get an unhandledRejection or multipleResolves

'use strict'

// require('.').abort = true;
const http = require('http')
const server = http.createServer(handle)

server.listen(3000)

function handle (req, res) {
  doStuff()
    .then((body) => {
      res.end(body)
    })
}

function doStuff () {
  if (Math.random() < 0.5) {
    return Promise.reject(new Error('kaboom'))
  }

  return Promise.resolve('hello world')
}