Skip to content

Instantly share code, notes, and snippets.

@Joseph7451797
Created April 17, 2018 03:28
Show Gist options
  • Save Joseph7451797/c3451937300b2676f1766ef73ffcf936 to your computer and use it in GitHub Desktop.
Save Joseph7451797/c3451937300b2676f1766ef73ffcf936 to your computer and use it in GitHub Desktop.
Simple static asset server powered by Node.js http server
const http = require('http');
const url = require('url');
const fs = require('fs');
const path = require('path');
const port = process.argv[2] || 9000;
http.createServer(function (req, res) {
console.log(`${req.method} ${req.url}`);
// parse URL
const parsedUrl = url.parse(req.url);
// extract URL path
let pathname = `.${parsedUrl.pathname}`;
// based on the URL path, extract the file extention. e.g. .js, .doc, ...
const ext = path.parse(pathname).ext;
// maps file extention to MIME typere
const map = {
'.ico': 'image/x-icon',
'.html': 'text/html',
'.js': 'text/javascript',
'.json': 'application/json',
'.css': 'text/css',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.wav': 'audio/wav',
'.mp3': 'audio/mpeg',
'.svg': 'image/svg+xml',
'.pdf': 'application/pdf',
'.doc': 'application/msword'
};
fs.exists(pathname, function (exist) {
if(!exist) {
// if the file is not found, return 404
res.statusCode = 404;
res.end(`File ${pathname} not found!`);
return;
}
// if is a directory search for index file matching the extention
if (fs.statSync(pathname).isDirectory()) pathname += '/index.html';
// read file from file system
fs.readFile(pathname, function(err, data){
if(err){
res.statusCode = 500;
res.end(`Error getting the file: ${err}.`);
} else {
// if the file is found, set Content-type and send data
res.setHeader('Content-type', map[ext] + '; charset=utf-8' || 'text/plain; charset=utf-8' );
res.end(data);
}
});
});
}).listen(parseInt(port));
console.log(`Server listening on port ${port}`);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment