Update 1

src/1

@@ -1,61 +1 @@
-if (req.method === 'POST' && req.url === '/compress') {
-  const form = new formidable.IncomingForm();
 
-  form.parse(req, (err, fields, files) => {
-    if (err) {
-      res.writeHead(400, { 'Content-Type': 'text/plain' });
-      res.end('Error parsing the form');
-
-      return;
-    }
-
-    const file = files.file;
-    const compressionType = fields.compressionType;
-
-    if (!file || !compressionType) {
-      res.writeHead(400, { 'Content-Type': 'text/plain' });
-      res.end('Form is invalid');
-
-      return;
-    }
-
-    let compressor;
-    let extension;
-
-    switch (compressionType) {
-      case 'gzip':
-        compressor = zlib.createGzip();
-        extension = '.gz';
-        break;
-      case 'deflate':
-        compressor = zlib.createDeflate();
-        extension = '.dfl';
-        break;
-      case 'br':
-        compressor = zlib.createBrotliCompress();
-        extension = '.br';
-        break;
-      default:
-        res.writeHead(400, { 'Content-Type': 'text/plain' });
-        res.end('Unsupported compression type');
-
-        return;
-    }
-
-    const inputFile = fs.createReadStream(file.filepath);
-    const outputFileName = file.originalFilename + extension;
-
-    res.writeHead(200, {
-      'Content-Disposition': `attachment; filename="${outputFileName}"`,
-      'Content-Type': 'application/octet-stream',
-    });
-
-    inputFile.pipe(compressor).pipe(res);
-  });
-} else if (req.method === 'GET' && req.url === '/compress') {
-  res.writeHead(400, { 'Content-Type': 'text/plain' });
-  res.end('GET method not supported for /compress endpoint');
-} else {
-  res.writeHead(404, { 'Content-Type': 'text/plain' });
-  res.end('Not Found');
-}