mate-academy · leonbohdan · Jul 27, 2026 · Jul 27, 2026 · Jul 27, 2026
diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
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 +1,98 @@
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const { formidable } = require('formidable');
+const zlib = require('zlib');
+
+const COMPRESSION_TYPES = ['gzip', 'deflate', 'br'];
+
+const ZLIB_COMPRESSOR = {
+  gzip: { formatter: () => zlib.createGzip(), format: 'gz' },
+  deflate: { formatter: () => zlib.createDeflate(), format: 'dfl' },
+  br: { formatter: () => zlib.createBrotliCompress(), format: 'br' },
+};
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  const server = new http.Server();
+
+  server.on('request', (req, res) => {
+    const url = new URL(req.url, `http://${req.headers.host || 'localhost'}`);
+    const pathname = url.pathname.slice(1);
+
+    if (pathname === 'compress') {
+      if (req.method !== 'POST') {
+        res.statusCode = 400;
+        res.end('Invalid request');
+
+        return;
+      }
+
+      const form = formidable({ multiples: false });
+
+      form.parse(req, (err, fields, files) => {
+        if (err) {
+          res.statusCode = 400;
+          res.end('Bad request');
+
+          return;
+        }
+
+        const compressionType =
+          fields.compressionType?.[0] ?? fields.compressionType;
+        const file = files.file?.[0] ?? files.file;
+
+        if (
+          !file ||
+          !file.filepath ||
+          !compressionType ||
+          !COMPRESSION_TYPES.includes(compressionType)
+        ) {
+          res.statusCode = 400;
+          res.end('Invalid form data');
+
+          return;
+        }
+
+        const ext = ZLIB_COMPRESSOR[compressionType].format;
+        const fileStream = fs.createReadStream(file.filepath);
+
+        res.statusCode = 200;
+
+        res.setHeader(
+          'Content-Disposition',
+          `attachment; filename=${file.originalFilename}.${ext}`,
+        );
+
+        fileStream.pipe(ZLIB_COMPRESSOR[compressionType].formatter()).pipe(res);
+      });
+    } else if (pathname === '') {
+      res.end(`
+        <body>
+          <h1>Choose File and Compress</h1>
+
+          <form action="/compress" method="post" enctype="multipart/form-data">
+            <input type="file" name="file" />
+
+            <select name="compressionType">
+              <option value="gzip">GZIP</option>
+              <option value="deflate">DEFLATE</option>
+              <option value="br">BR</option>
+            </select>
+
+            <button type="submit">Compress</button>
+          </form>
+        </body>
+      `);
+    } else {
+      res.statusCode = 404;
+      res.end('Not Found');
+    }
+  });
+
+  server.on('error', () => { });
+
+  return server;
 }
 
 module.exports = {