Added solution to the task

.eslintrc.js

@@ -1,10 +1,10 @@
 module.exports = {
   extends: '@mate-academy/eslint-config',
   env: {
-    jest: true
+    jest: true,
   },
   rules: {
-    'no-proto': 0
+    'no-proto': 0,
   },
-  plugins: ['jest']
+  plugins: ['jest'],
 };

.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

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",

src/createServer.js

@@ -1,10 +1,60 @@
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const PUBLIC_DIR = path.resolve(__dirname, '../public');
+const TEXT_PLAIN = { 'Content-Type': 'text/plain' };
+
+function send(res, status, message) {
+  res.writeHead(status, TEXT_PLAIN);
+  res.end(message);
+}
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    const url = req.url;
+
+    if (url === '/file') {
+      send(res, 200, 'Use /file/<path> to load files');
+
+      return;
+    }
+
+    if (!url.startsWith('/file/')) {
+      send(res, 400, 'Invalid path');
+
+      return;
+    }
+
+    const relativePath = url.slice('/file/'.length);
+
+    if (relativePath.includes('//')) {
+      send(res, 404, 'File not found');
+
+      return;
+    }
+
+    const resolvedPath = path.resolve(PUBLIC_DIR, relativePath);
+
+    if (!resolvedPath.startsWith(PUBLIC_DIR)) {
+      send(res, 400, 'Invalid path');
+
+      return;
+    }
+
+    fs.readFile(resolvedPath, (err, data) => {
+      if (err) {
+        send(res, 404, 'File not found');
+
+        return;
+      }
+
+      res.writeHead(200);
+      res.end(data);
+    });
+  });
 }
 
-module.exports = {
-  createServer,
-};
+module.exports = { createServer };