dev-server.js

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

const PORT = 3005;
const ROOT = path.resolve(__dirname);

const MIME_TYPES = {
  '.html': 'text/html',
  '.css': 'text/css',
  '.js': 'application/javascript',
  '.json': 'application/json',
  '.png': 'image/png',
  '.jpg': 'image/jpeg',
  '.jpeg': 'image/jpeg',
  '.svg': 'image/svg+xml',
  '.ico': 'image/x-icon'
};

const server = http.createServer((req, res) => {
  let reqPath = decodeURI(req.url.split('?')[0]);
  let filePath = path.join(ROOT, reqPath);

  // If directory, look for index.html
  if (fs.existsSync(filePath) && fs.statSync(filePath).isDirectory()) {
    filePath = path.join(filePath, 'index.html');
  }

  if (fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {
    const ext = path.extname(filePath).toLowerCase();
    const contentType = MIME_TYPES[ext] || 'application/octet-stream';
    res.writeHead(200, { 'Content-Type': contentType });
    fs.createReadStream(filePath).pipe(res);
  } else {
    res.writeHead(404, { 'Content-Type': 'text/plain' });
    res.end('404 Not Found');
  }
});

server.listen(PORT, () => {
  console.log(`[STATIC SERVER] Serving ${ROOT} on http://localhost:${PORT}`);
});