quickly serve index.html and and other static assets in a directory

quick-server.js

'use strict'

const serve = require('koa-static')

new (require('koa'))()
  .use(serve(`${__dirname}`))
  .use(function* (next) {
    return this.body = yield new Promise((resolve, reject) => {
      require('fs').readFile(`${__dirname}/index.html`, 'utf8',
        (err, body) => resolve(body))
    })
  })
  .listen(3000, () => console.log('demo server listening on port 3000'))