From 6398ce79d08f16091cb5daae6a093446e2dfba7c Mon Sep 17 00:00:00 2001
From: Yan Kazymyr <kazymyr.yan@gmail.com>
Date: Fri, 3 Apr 2026 22:59:12 +0300
Subject: [PATCH 1/2] Solution

---
 src/createServer.js | 44 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..898697c 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,8 +1,48 @@
 'use strict';
 
+const http = require('http');
+const path = require('path');
+const fs = require('fs');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    const url = new URL(req.url, `http://${req.headers.host}`);
+
+    if (url.pathname === '/file') {
+      res.writeHead(200, { 'Content-Type': 'text/plain' });
+      res.end('Please specify a file path after /file/.');
+
+      return;
+    }
+
+    if (!url.pathname.startsWith('/file')) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+      res.end('Use /file/<path> to load files');
+
+      return;
+    }
+
+    const relativePath = url.pathname.replace(/^\/file\/?/, '') || 'index.html';
+    const publicDir = path.resolve(__dirname, '..', 'public');
+    const fullPath = path.resolve(publicDir, relativePath);
+
+    if (!fullPath.startsWith(publicDir + path.sep) && fullPath !== publicDir) {
+      res.writeHead(404, { 'Content-Type': 'text/plain' });
+      res.end('Not Found');
+
+      return;
+    }
+
+    try {
+      const data = fs.readFileSync(fullPath);
+
+      res.writeHead(200, { 'Content-Type': 'text/html' });
+      res.end(data);
+    } catch (err) {
+      res.writeHead(404, { 'Content-Type': 'text/plain' });
+      res.end('Not Found');
+    }
+  });
 }
 
 module.exports = {

From d0af12822bd00bffa79ca1715c83b04eb05852a7 Mon Sep 17 00:00:00 2001
From: Yan Kazymyr <kazymyr.yan@gmail.com>
Date: Fri, 3 Apr 2026 23:22:46 +0300
Subject: [PATCH 2/2] Fix

---
 src/createServer.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/createServer.js b/src/createServer.js
index 898697c..f73767c 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -4,6 +4,24 @@ const http = require('http');
 const path = require('path');
 const fs = require('fs');
 
+const MIME_TYPES = {
+  '.html': 'text/html',
+  '.css': 'text/css',
+  '.js': 'application/javascript',
+  '.json': 'application/json',
+  '.png': 'image/png',
+  '.jpg': 'image/jpeg',
+  '.jpeg': 'image/jpeg',
+  '.svg': 'image/svg+xml',
+  '.txt': 'text/plain',
+};
+
+function getMimeType(filePath) {
+  const ext = path.extname(filePath).toLowerCase();
+
+  return MIME_TYPES[ext] || 'application/octet-stream';
+}
+
 function createServer() {
   return http.createServer((req, res) => {
     const url = new URL(req.url, `http://${req.headers.host}`);
@@ -35,8 +53,9 @@ function createServer() {
 
     try {
       const data = fs.readFileSync(fullPath);
+      const contentType = getMimeType(fullPath);
 
-      res.writeHead(200, { 'Content-Type': 'text/html' });
+      res.writeHead(200, { 'Content-Type': contentType });
       res.end(data);
     } catch (err) {
       res.writeHead(404, { 'Content-Type': 'text/plain' });