CodeSync - Real-time Collaborative Code Editor

A modern, real-time collaborative code editor that allows multiple developers to write, edit, and execute code together in the same virtual room.

✨ Features

• Real-time Collaboration: Multiple users can edit code simultaneously
• Live Code Execution: Run code directly in the browser with real-time output
• Multi-language Support: JavaScript, Python, Java, and C++
• Room-based Sessions: Create and join coding rooms with unique IDs
• User Presence: See who's currently in your coding session
• Modern UI: Clean, dark theme with responsive design
• Typing Indicators: See when others are typing
• Copy Room ID: Easy sharing of room links

🚀 Tech Stack

Frontend

• React - UI framework
• Vite - Build tool and dev server
• Monaco Editor - Code editor (VS Code editor)
• Socket.io Client - Real-time communication
• CSS3 - Modern styling with gradients and animations

Backend

• Node.js - Runtime environment
• Socket.io - WebSocket communication
• Express - Web framework

🛠️ Installation

Prerequisites

• Node.js (v14 or higher)
• npm or yarn

Setup

1. Clone the repository

   git clone https://github.com/nikunjagarwal17/code-sync.git
   cd code-sync

2. Install dependencies

   # Install root dependencies
   npm install
   
   # Install frontend dependencies
   cd frontend
   npm install
   
   # Install backend dependencies
   cd ../backend
   npm install

3. Start the application

   Backend (Terminal 1):

   cd backend
   node index.js

   Frontend (Terminal 2):

   cd frontend
   npm run dev

4. Access the application

   • Open your browser and go to http://localhost:5000
   • Create a new room or join an existing one
   • Start coding collaboratively!

🎯 Usage

1. Create a Room: Click "Create New Room" to generate a unique room ID
2. Join a Room: Enter a room ID and your username to join an existing session
3. Code Together: Write code in the Monaco editor with real-time synchronization
4. Execute Code: Use the "Execute" button to run your code and see the output
5. Share: Copy the room ID to invite others to your coding session

🌟 Screenshots

Login Page

Modern login interface with dark theme and green accents.

Editor Interface

• Sidebar: Room info, user list, language selector
• Editor: Monaco editor with syntax highlighting
• Console: Input and output areas for code execution

🔧 Configuration

Environment Variables

Create a .env file in the backend directory:

PORT=5000

Supported Languages

• JavaScript (Node.js)
• Python
• Java
• C++

🤝 Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

👨‍💻 Author

Nikunj Agarwal

• GitHub: @nikunjagarwal17

🙏 Acknowledgments

• Monaco Editor for the excellent code editing experience
• Socket.io for real-time communication
• React and Vite for the modern development experience

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Built with 💙 by Nikunj Agarwal