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 = process.argv[2] || 8888

http.createServer(function(request, response) {
    const uri = url.parse(request.url).pathname
    let filename = path.join(process.cwd(), 'static', uri)
    
    fs.exists(filename, function(exists) {
        if(!exists) {
            response.writeHead(404, {"Content-Type": "text/plain"})
            response.write("404 Not Found\n")
            response.end()
            return
        }

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

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

            response.writeHead(200)
            response.write(file, "binary")
            response.end()
        })
    })
}).listen(parseInt(port, 10))

console.log("Static file server running at\n  => http://localhost:" + port + "/\nCTRL + C to shutdown")