🤖 AI Code Reviewer Pro

Professional AI-powered code review assistant using Google's Gemini AI - Similar to GitHub Copilot

Transform your code review process with intelligent AI assistance. Get instant feedback, bug detection, security audits, and improvement suggestions directly in VS Code.

✨ Features

🔍 Comprehensive Code Review

• Full File Analysis: Deep review of entire files with categorized issues
• Selection Review: Quick focused review of selected code
• Workspace Scan: Project-wide code quality assessment

🐛 Bug Detection

• Logical error identification
• Edge case discovery
• Runtime error prediction
• Resource leak detection

🔒 Security Audit

• SQL injection detection
• XSS vulnerability scanning
• Authentication issue identification
• Sensitive data exposure checks
• OWASP compliance verification

💡 Smart Suggestions

• Performance optimization recommendations
• Code readability improvements
• Modern best practices
• Design pattern suggestions

🧪 Test Generation

• Comprehensive unit test creation
• Multiple framework support (Jest, Mocha, Pytest, JUnit, etc.)
• Edge case coverage
• Arrange-Act-Assert pattern

📖 Documentation

• Automatic JSDoc/docstring generation
• Inline comment suggestions
• Usage example creation
• Type annotation additions

💬 Interactive AI Chat

• Natural conversation about code
• Context-aware responses
• Code explanation on demand
• Debugging assistance

📦 Installation

From VS Code Marketplace (Recommended)

1. Open VS Code
2. Go to Extensions (Ctrl+Shift+X / Cmd+Shift+X)
3. Search for "AI Code Reviewer Pro"
4. Click Install

From VSIX File

code --install-extension ai-code-reviewer-pro-1.0.0.vsix

Manual Installation

1. Clone this repository
2. Install dependencies: npm install
3. Compile: npm run compile
4. Press F5 to run in development mode

🚀 Quick Start

1. Get Gemini API Key

1. Visit Google AI Studio
2. Sign in with your Google account
3. Click "Create API Key"
4. Copy your API key (starts with AIza...)

2. Configure Extension

1. Open Command Palette (Ctrl+Shift+P / Cmd+Shift+P)
2. Run: AI Code Reviewer: Set Gemini API Key
3. Paste your API key
4. Click ✅ when status bar shows "AI Reviewer Ready"

3. Start Reviewing!

• Review File: Ctrl+Shift+R / Cmd+Shift+R
• Review Selection: Select code → Ctrl+Shift+E / Cmd+Shift+E
• Open Chat: Ctrl+Shift+A / Cmd+Shift+A

🎯 Usage Examples

Review Current File

1. Open any code file
2. Press Ctrl+Shift+R (or Cmd+Shift+R on Mac)
3. View comprehensive review in side panel

Quick Code Explanation

1. Select code snippet
2. Press Ctrl+Shift+X (or Cmd+Shift+X on Mac)
3. Read clear explanation with examples

Find Security Issues

1. Right-click in code editor
2. Select "🤖 AI Code Reviewer" → "🔒 Security Check"
3. Review security audit report

Generate Unit Tests

1. Select function/class
2. Right-click → "🤖 AI Code Reviewer" → "🧪 Generate Unit Tests"
3. Choose testing framework
4. Copy generated tests

Interactive Chat

1. Press Ctrl+Shift+A (or Cmd+Shift+A on Mac)
2. Ask questions about your code
3. Get instant AI-powered answers

⌨️ Keyboard Shortcuts

Command	Windows/Linux	macOS
Review Current File	Ctrl+Shift+R	Cmd+Shift+R
Review Selection	Ctrl+Shift+E	Cmd+Shift+E
Explain Code	Ctrl+Shift+X	Cmd+Shift+X
Open AI Chat	Ctrl+Shift+A	Cmd+Shift+A

📋 Available Commands

Access via Command Palette (Ctrl+Shift+P / Cmd+Shift+P):

• 🔑 AI Code Reviewer: Set Gemini API Key
• 🗑️ AI Code Reviewer: Clear API Key
• 🔍 AI Code Reviewer: Review Current File
• 📝 AI Code Reviewer: Review Selected Code
• 💡 AI Code Reviewer: Explain Code
• 🐛 AI Code Reviewer: Find Bugs
• ⚡ AI Code Reviewer: Suggest Improvements
• 🔒 AI Code Reviewer: Security Check
• 🧪 AI Code Reviewer: Generate Unit Tests
• 📖 AI Code Reviewer: Add Documentation
• 📊 AI Code Reviewer: Review Entire Workspace
• 💬 AI Code Reviewer: Open AI Chat

⚙️ Configuration

Access settings via: File → Preferences → Settings → Search "AI Code Reviewer"

Available Settings

{
  // Gemini model to use
  "aiCodeReviewer.model": "gemini-1.5-flash", // or "gemini-1.5-pro"
  
  // AI temperature (0 = focused, 1 = creative)
  "aiCodeReviewer.temperature": 0.3,
  
  // Auto-review on file save
  "aiCodeReviewer.autoReviewOnSave": false,
  
  // Show inline code decorations
  "aiCodeReviewer.showInlineDecorations": true,
  
  // Maximum tokens per request
  "aiCodeReviewer.maxTokens": 8000
}

Recommended Settings

For Precise Reviews:

{
  "aiCodeReviewer.model": "gemini-1.5-pro",
  "aiCodeReviewer.temperature": 0.2
}

For Creative Suggestions:

{
  "aiCodeReviewer.model": "gemini-1.5-flash",
  "aiCodeReviewer.temperature": 0.5
}

🎨 Context Menu Integration

Right-click in any code file to access:

🤖 AI Code Reviewer
  ├── 📝 Review Selected Code
  ├── 💡 Explain Code
  ├── 🐛 Find Bugs
  ├── 🔒 Security Check
  ├── 🧪 Generate Unit Tests
  └── 📖 Add Documentation

📊 Review History

View all past reviews in the Activity Bar:

1. Click "AI Code Reviewer" icon in Activity Bar
2. Browse "Review History"
3. Click any item to view details

💰 Pricing & Rate Limits

Gemini API

• Free Tier: 60 requests/minute
• Paid Tier: Higher limits available

Check current pricing

Best Practices

• Use gemini-1.5-flash for most reviews (faster, cheaper)
• Use gemini-1.5-pro for complex analysis (more accurate)
• Review selections instead of whole files when possible

🔐 Privacy & Security

• API Key Storage: Securely stored in VS Code's secret storage
• Code Privacy: Your code is sent to Google's Gemini API
• No Data Storage: This extension doesn't store your code
• Network Only: Requires internet connection

Security Best Practices

• Never commit API keys to version control
• Use environment variables for shared projects
• Regularly rotate API keys
• Review Google's AI Terms of Service

🐛 Troubleshooting

Extension Not Working

1. Check status bar shows "AI Reviewer Ready"
2. Verify API key is set correctly
3. Check internet connection
4. Review Output panel: "Extension Host" logs

API Key Invalid

1. Verify key starts with "AIza"
2. Check key hasn't expired
3. Verify API is enabled in Google Cloud Console
4. Generate new key if needed

Rate Limit Errors

1. Wait a few seconds between requests
2. Consider upgrading to paid tier
3. Review only selections instead of full files

No Response from AI

1. Check file size isn't too large (>10,000 lines)
2. Verify model is available
3. Try different model (flash vs pro)
4. Check Google AI Studio status page

📝 Development

Setup Development Environment

# Clone repository
git clone https://github.com/your-username/ai-code-reviewer-pro.git
cd ai-code-reviewer-pro

# Install dependencies
npm install

# Compile TypeScript
npm run compile

# Watch mode (auto-compile)
npm run watch

# Run extension
Press F5 in VS Code

Project Structure

ai-code-reviewer-pro/
├── src/
│   ├── extension.ts           # Main extension entry
│   ├── prompts.ts             # AI prompts & instructions
│   ├── services/
│   │   ├── aiService.ts       # Gemini API integration
│   │   └── decorationService.ts
│   ├── panels/
│   │   ├── reviewPanel.ts     # Review results display
│   │   └── chatPanel.ts       # Interactive chat
│   └── providers/
│       └── historyProvider.ts # Review history
├── package.json               # Extension manifest
├── tsconfig.json             # TypeScript config
└── README.md                 # This file

Building VSIX Package

# Install vsce
npm install -g @vscode/vsce

# Package extension
npm run package

# Output: ai-code-reviewer-pro-1.0.0.vsix

🤝 Contributing

Contributions welcome! Please:

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

📄 License

MIT License - see LICENSE file for details

🙏 Acknowledgments

• Built with Google Gemini AI
• Inspired by GitHub Copilot
• Icons from VS Code Codicons

📞 Support

• Issues: GitHub Issues
• Discussions: GitHub Discussions
• Email: support@example.com

🗺️ Roadmap

• [ ] Claude AI integration
• [ ] GPT-4 support
• [ ] Diff view for suggestions
• [ ] Team collaboration features
• [ ] Custom prompt templates
• [ ] CI/CD integration
• [ ] Code metrics dashboard
• [ ] Multi-language support

⭐ Star History

If you find this extension helpful, please star the repository!

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