mate-academy · redfield-mp · May 28, 2026 · May 28, 2026
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -18,7 +18,7 @@
   "devDependencies": {
     "@faker-js/faker": "^8.4.1",
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",

diff --git a/src/createServer.js b/src/createServer.js
@@ -1,8 +1,99 @@
 'use strict';
 
+const fs = require('node:fs');
+const { Server } = require('node:http');
+const path = require('node:path');
+const { pipeline, Readable } = require('node:stream');
+const zlib = require('node:zlib');
+
 function createServer() {
   /* Write your code here */
   // Return instance of http.Server class
+  const server = new Server();
+
+  server.on('request', async (req, res) => {
+    const url = new URL(req.url || '', `http://${req.headers.host}`);
+    const pathName = url.pathname;
+
+    if (!pathName.includes('/compress')) {
+      const fileName = pathName === '/' ? 'index.html' : pathName.slice(1);
+      const filePath = path.join(__dirname, fileName);
+
+      if (fs.existsSync(filePath)) {
+        res.statusCode = 200;
+        res.setHeader('Content-Type', 'text/html');
+        fs.createReadStream(filePath).pipe(res);
+      } else {
+        res.statusCode = 404;
+        res.end('Not Found');
+      }
+    } else {
+      if (req.method !== 'POST') {
+        res.statusCode = 400;
+        res.end('Bad Request');
+
+        return;
+      }
+
+      const responseMock = new Response(req, { headers: req.headers });
+      const formData = await responseMock.formData();
+      const file = formData.get('file');
+      const compressionType = formData.get('compressionType');
+      const allowedTypes = ['gzip', 'deflate', 'br'];
+
+      if (!file || typeof file === 'string' || !file.name) {
+        res.statusCode = 400;
+        res.end('Bad Request');
+
+        return;
+      }
+
+      if (!allowedTypes.includes(compressionType)) {
+        res.statusCode = 400;
+        res.end('Bad Request');
+
+        return;
+      }
+
+      let extension = '';
+      let compressor;
+
+      switch (compressionType) {
+        case 'gzip':
+          extension = '.gz';
+          compressor = zlib.createGzip();
+          break;
+
+        case 'deflate':
+          extension = '.dfl';
+          compressor = zlib.createDeflate();
+          break;
+
+        case 'br':
+          extension = '.br';
+          compressor = zlib.createBrotliCompress();
+          break;
+      }
+
+      const compressedFileName = `${file.name}${extension}`;
+
+      const arrayBuffer = await file.arrayBuffer();
+      const buffer = Buffer.from(arrayBuffer);
+      const fileStream = Readable.from(buffer);
+
+      res.statusCode = 200;
+
+      res.setHeader(
+        'Content-Disposition',
+        `attachment; filename=${compressedFileName}`,
+      );
+      res.setHeader('Content-Type', 'application/octet-stream');
+
+      pipeline(fileStream, compressor, res, () => {});
+    }
+  });
+
+  return server;
 }
 
 module.exports = {

diff --git a/src/index.html b/src/index.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta
+    name="viewport"
+    content="width=device-width, user-scalable=yes, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
+  >
+  <meta http-equiv="X-UA-Compatible" content="ie=edge">
+  <title>Document</title>
+</head>
+<body>
+<form action="/compress" method="post" enctype="multipart/form-data">
+  <input type="file" name="file">
+  <select name="compressionType">
+    <option value="gzip">gzip</option>
+    <option value="br">brotli</option>
+    <option value="deflate">deflate</option>
+  </select>
+  <button type="submit">Submit</button>
+</form>
+</body>
+</html>