Learn framework internals by building your own Express.js from scratch!
A minimal, educational implementation of Express.js built with pure Node.js and the http module. Perfect for developers who want to understand how web frameworks work under the hood.
- 🧠 Deep Learning: Understand Express.js internals by building it yourself
- 💼 Portfolio Project: Showcase your framework knowledge to employers
- 🤝 Open Source: Contribute to a learning-focused community
- 📚 Educational: Perfect for developers of all skill levels
- Custom HTTP server with Node.js
httpmodule - GET request handling
- Modular routing system
- JSON response handling
- Basic middleware support
- Clean, readable codebase (200 lines)
- POST, PUT, DELETE request methods
- Middleware system
- Request body parsing
- Route parameters (
/users/:id) - Query string support
- Error handling
- Static file serving
┌─────────────────────────────────────┐
│ HTTP Requests │
└─────────────────┬───────────────────┘
│
┌─────────────────▼───────────────────┐
│ Node.js HTTP Module │
└─────────────────┬───────────────────┘
│
┌─────────────────▼───────────────────┐
│ Custom Express Framework │
│ ┌─────────────┬─────────────────┐ │
│ │ Server Class│ Router Class │ │
│ │ Status Class│ │ │
│ └─────────────┴─────────────────┘ │
└─────────────────┬───────────────────┘
│
┌─────────────────▼───────────────────┐
│ Application Layer │
│ (server.js) │
└─────────────────┬───────────────────┘
│
┌─────────────────▼───────────────────┐
│ Routing Layer │
│ ┌─────────────┬─────────────────┐ │
│ │ Blog Routes │ User Routes │ │
│ │ /api/blog │ /api/user │ │
│ └─────────────┴─────────────────┘ │
└─────────────────────────────────────┘
- Node.js (v14.0.0 or higher)
- npm or yarn
-
Clone the repository
git clone https://github.com/yourusername/noderoute.git cd noderoute -
Install dependencies
npm install
-
Start the server
node server.js
-
Test the endpoints
# Health check curl http://localhost:4000/get # Blog endpoints curl http://localhost:4000/api/blog/getBlog curl http://localhost:4000/api/blog/getData # User endpoints curl http://localhost:4000/api/user/getUser curl http://localhost:4000/api/user/getUserData
noderoute/
├── express.js # Custom Express implementation
├── server.js # Main server file
├── router/
│ ├── route.js # Main router configuration
│ ├── blogRoute.js # Blog-related endpoints
│ └── userRoute.js # User-related endpoints
├── package.json # Dependencies and scripts
└── README.md # This file
| Method | Endpoint | Description |
|---|---|---|
| GET | /get |
Health check endpoint |
| GET | /api/blog/getBlog |
Fetch blog data |
| GET | /api/blog/getData |
Additional blog endpoint |
| GET | /api/user/getUser |
User data endpoint |
| GET | /api/user/getUserData |
Additional user endpoint |
// GET /get
{
"msg": "router is working"
}
// GET /api/blog/getBlog
{
"mas": "blog data is fetched!!"
}We welcome contributions from developers of all skill levels! This project is designed to be a learning playground.
- Add POST request method to
express.js - Add PUT request method to
express.js - Add DELETE request method to
express.js - Implement request body parsing
- Add basic error handling
- Create middleware system
- Add route parameters support (
/users/:id) - Implement query string parsing
- Add request logging middleware
- Create static file serving
- Add authentication middleware
- Implement rate limiting
- Create testing framework
- Add WebSocket support
- Performance optimization
- Fork the repository
- Create a feature branch
git checkout -b feature/add-post-support
- Make your changes
- Test your implementation
node server.js # Test your endpoints - Submit a pull request
- Code Style: Follow existing code patterns
- Documentation: Update README for new features
- Testing: Test your changes thoroughly
- Commit Messages: Use clear, descriptive messages
- Read through
express.jsto understand the core classes - Study
server.jsto see how everything connects - Explore the router files to understand modular routing
- Test all current endpoints
- Add POST method to the Router class
- Create a POST endpoint in
blogRoute.js - Test your implementation
- Submit your first pull request
- Implement middleware system
- Add route parameters
- Create error handling
- Add request body parsing
- HTTP request/response lifecycle
- Node.js
httpmodule usage - JavaScript classes and prototypes
- Middleware patterns
- Route matching algorithms
- Error handling strategies
- Open source contribution workflow
- Code review process
- Documentation writing
- Community collaboration
- Problem-solving approach
- 🌟 Contributor of the Month: Featured in our newsletter
- 📜 Learning Certificates: For completing learning paths
- 🎯 Special Badges: For different types of contributions
- 📖 Blog Features: Get featured in our developer blog
- Node.js HTTP Module Documentation
- Express.js Source Code
- HTTP Methods Guide
- JavaScript Classes Guide
Found a bug? Please create an issue with:
- Clear description of the problem
- Steps to reproduce
- Expected vs actual behavior
- Your environment details
Have an idea for a new feature? We'd love to hear it! Create an issue with:
- Detailed feature description
- Use cases and examples
- Implementation suggestions (if any)
This project is licensed under the MIT License - see the LICENSE file for details.
- Inspired by Express.js and the Node.js community
- Built for educational purposes
- Thanks to all contributors who make this project better
- Project Maintainer: Your Name
- Email: your.email@example.com
- Twitter: @yourusername
⭐ Star this repository if you found it helpful!
🤝 Contribute to help others learn!
📚 Share with your developer friends!