mate-academy · ivan-major · Apr 14, 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 +1,138 @@
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const zlib = require('zlib');
+const { formidable } = require('formidable');
+
+const compressionMap = {
+  gzip: {
+    createCompressor: () => zlib.createGzip(),
+    extension: 'gz',
+  },
+  deflate: {
+    createCompressor: () => zlib.createDeflate(),
+    extension: 'dfl',
+  },
+  br: {
+    createCompressor: () => zlib.createBrotliCompress(),
+    extension: 'br',
+  },
+};
+
+const htmlPage = `<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Compression App</title>
+  </head>
+  <body>
+    <h1>Compression App</h1>
+    <form action="/compress" method="POST" enctype="multipart/form-data">
+      <label>
+        File:
+        <input type="file" name="file" required />
+      </label>
+      <br />
+      <label>
+        Compression type:
+        <select name="compressionType" required>
+          <option value="gzip">gzip</option>
+          <option value="deflate">deflate</option>
+          <option value="br">br</option>
+        </select>
+      </label>
+      <br />
+      <button type="submit">Compress</button>
+    </form>
+  </body>
+</html>`;
+
+function normalizeFieldValue(value) {
+  if (Array.isArray(value)) {
+    return value[0];
+  }
+
+  return value;
+}
+
+function getFileFromField(fileField) {
+  if (Array.isArray(fileField)) {
+    return fileField[0];
+  }
+
+  return fileField;
+}
+
+function sendBadRequest(res) {
+  res.statusCode = 400;
+  res.end('Bad Request');
+}
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    if (req.method === 'GET' && req.url === '/') {
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/html; charset=utf-8');
+      res.end(htmlPage);
+
+      return;
+    }
+
+    if (req.url === '/compress' && req.method === 'GET') {
+      sendBadRequest(res);
+
+      return;
+    }
+
+    if (req.url === '/compress' && req.method === 'POST') {
+      const form = formidable({ multiples: false });
+
+      form.parse(req, (error, fields, files) => {
+        if (error) {
+          sendBadRequest(res);
+
+          return;
+        }
+
+        const compressionType = normalizeFieldValue(fields.compressionType);
+        const file = getFileFromField(files.file);
+
+        if (!compressionType || !file || !file.originalFilename) {
+          sendBadRequest(res);
+
+          return;
+        }
+
+        const compressionConfig = compressionMap[compressionType];
+
+        if (!compressionConfig) {
+          sendBadRequest(res);
+
+          return;
+        }
+
+        const compressedFileName = `${file.originalFilename}.${compressionConfig.extension}`;
+
+        res.statusCode = 200;
+
+        res.setHeader(
+          'Content-Disposition',
+          `attachment; filename=${compressedFileName}`,
+        );
+
+        const compressedStream = compressionConfig.createCompressor();
+
+        fs.createReadStream(file.filepath).pipe(compressedStream).pipe(res);
+      });
+
+      return;
+    }
+
+    res.statusCode = 404;
+    res.end('Not Found');
+  });
 }
 
 module.exports = {