Node.JS static file web server. Put it in your path to fire up servers in any directory, takes an optional port argument.

static_server.js

const http = require('http')
const url = require('url')
const path = require('path')
const fs = require('fs')

const PORT = parseInt(process.argv[2]) || 8888

http.createServer(function(req, res) {
  const uri = url.parse(req.url).pathname
  const filename = path.join(process.cwd(), uri)

  path.exists(filename, function(exists) {
    if (!exists) {
      res.writeHead(404, {'Content-Type': 'text/plain'})
      res.write('404 Not Found\n')
      res.end()
      return
    }

    if (fs.statSync(filename).isDirectory()) filename += '/index.html'

    fs.readFile(filename, 'binary', function(err, file) {
      if (err) {
        res.writeHead(500, {'Content-Type': 'text/plain'})
        res.write(err + '\n')
        res.end()
        return
      }

      res.writeHead(200)
      res.write(file, 'binary')
      res.end()
    })
  })
}).listen(PORT, () => 
  console.log("Static file server running at\n  => http://localhost:" + PORT + "/\nCTRL + C to shutdown")
)