server.js

import fs from 'node:fs';
import http from 'node:http';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

const hostname = '127.0.0.1';
const PORT = 5500;
const server = http.createServer((req, res) => {
  const filePath = path.join(__dirname, req.url === '/' ? 'index.html' : req.url);
  const extname = String(path.extname(filePath)).toLowerCase();
  const mimeTypes = {
    '.html': 'text/html',
    '.js': 'text/javascript',
    '.css': 'text/css',
  };
  const contentType = mimeTypes[extname] || 'application/octet-stream';
  fs.readFile(filePath, (err, content) => {
    if (err) {
      if (err.code === 'ENOENT') {
        res.writeHead(404, { 'Content-Type': 'text/plain' });
        res.end('404 Not Found');
      }
      else {
        res.writeHead(500);
        res.end(`Server Error: ${err.code}`);
      }
    }
    else {
      res.writeHead(200, { 'Content-Type': contentType });
      res.end(content, 'utf8');
    }
  });
});

server.listen(PORT, hostname, () => {
  console.log(`Server is running on http://localhost:${PORT}`);
});