comic-bubbles/server.cjs

Animated comic bubbles - what else?

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

const hostname = '127.0.0.1';
const port = 3000;

const server = http.createServer((req, res) => {
  console.log(`Request for ${req.url} received.`);

  // Default to index.html if the request is '/'
  const requestedPath = req.url === '/' ? 'index.html' : req.url;
  const filePath = path.join(__dirname, requestedPath);
  const ext = path.extname(filePath);

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

  // If the file extension is not in the contentTypeMap, return 404
  if (!contentTypeMap[ext]) {
    res.writeHead(404);
    res.end('404 Not Found');
    return;
  }

  fs.readFile(filePath, (err, content) => {
    if (err) {
      // File not found
      if (err.code === 'ENOENT') {
        res.writeHead(404);
        res.end('404 Not Found');
      } else {
        // Other error
        res.writeHead(500);
        res.end(`Error loading file: ${err}`);
      }
      return;
    }

    res.writeHead(200, { 'Content-Type': contentTypeMap[ext] });
    res.end(content, 'utf-8');
  });
});

server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});