server.js

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

const PORT = 8080;

const mimeTypes = {
    '.html': 'text/html',
    '.css': 'text/css',
    '.js': 'application/javascript',
    '.json': 'application/json',
    '.png': 'image/png',
    '.jpg': 'image/jpeg',
    '.gif': 'image/gif',
    '.svg': 'image/svg+xml'
};

const server = http.createServer((req, res) => {
    let filePath = '.' + req.url;
    if (filePath === './') filePath = './index.html';
    
    const extname = path.extname(filePath).toLowerCase();
    const contentType = mimeTypes[extname] || 'application/octet-stream';
    
    fs.readFile(filePath, (err, content) => {
        if (err) {
            if (err.code === 'ENOENT') {
                res.writeHead(404);
                res.end('File not found');
            } else {
                res.writeHead(500);
                res.end('Server error: ' + err.code);
            }
        } else {
            res.writeHead(200, { 'Content-Type': contentType });
            res.end(content, 'utf-8');
        }
    });
});

server.listen(PORT, () => {
    console.log(`Server running at http://localhost:${PORT}/`);
    console.log('Press Ctrl+C to stop');
});