# Cline - VSCode Setup

Learn how to setup and use the Cline extension for VS Code to work effectively with Tomba API development using AI-powered coding assistance.

## Installation & Setup

### 1. Install Cline Extension

1. Open VS Code
2. Go to Extensions (Ctrl+Shift+X)
3. Search for "Cline" (formerly Claude Dev)
4. Install the extension by Saoud Rizwan
5. Restart VS Code if prompted

### 2. Configure API Access

1. Open Command Palette (Ctrl+Shift+P)
2. Type "Cline: Open Settings"
3. Configure your AI provider:
    - **Anthropic Claude**: Add your API key
    - **OpenAI GPT**: Configure OpenAI settings
    - **Local models**: Set up Ollama or other local providers

### 3. Project Setup

Create a Tomba API context file for Cline:

```bash
# Create project documentation
mkdir -p .cline
curl -L https://docs.tomba.io/llms.txt -o .cline/tomba-api.md
```

Add to your workspace settings (`.vscode/settings.json`):

```json
{
    "cline.contextFiles": [".cline/tomba-api.md"],
    "cline.instructions": "When working with email-related APIs, use Tomba API patterns from the documentation. Always include proper authentication headers (X-Tomba-Key, X-Tomba-Secret) and implement rate limiting."
}
```

## Cline Features for Tomba Integration

### 1. File Creation and Editing

Cline can create and modify multiple files simultaneously:

**Prompt:**

```
Using the Tomba API documentation in .cline/tomba-api.md, create a complete TypeScript email verification service with:

1. src/types/tomba.ts - TypeScript interfaces
2. src/services/tomba-client.ts - Main API client
3. src/utils/rate-limiter.ts - Rate limiting utility
4. src/middleware/email-validation.ts - Express middleware
5. tests/tomba-client.test.ts - Unit tests
6. examples/usage.ts - Usage examples

Include proper error handling, authentication, and rate limiting throughout.
```

### 2. Terminal Integration

Cline can run commands and install dependencies:

**Prompt:**

```
Set up a new Node.js project for Tomba API integration:

1. Initialize npm project with proper package.json
2. Install required dependencies (axios, express, jest, typescript)
3. Set up TypeScript configuration
4. Create folder structure
5. Install and configure ESLint and Prettier
6. Set up testing framework
7. Create environment file template

Run all necessary commands and create the initial project structure.
```

### 3. Real-time Code Analysis

Cline can analyze your existing code and suggest improvements:

**Prompt:**

```
Analyze the current Tomba API integration in this workspace and:

1. Identify potential security issues
2. Suggest performance optimizations
3. Review error handling completeness
4. Check TypeScript type safety
5. Recommend testing improvements
6. Suggest code organization improvements

Make specific code changes where needed.
```

## Development Workflows

### 1. Complete Feature Development

**Email Verification Component:**

```
Create a complete email verification feature using Tomba API:

Feature Requirements:
- React component with real-time validation
- TypeScript throughout
- Proper error handling and loading states
- Debounced API calls to respect rate limits
- Caching for recent verifications
- Unit tests with React Testing Library
- Storybook stories
- CSS modules for styling

Files to create:
1. components/EmailVerification/EmailVerification.tsx
2. components/EmailVerification/EmailVerification.module.css
3. components/EmailVerification/EmailVerification.test.tsx
4. components/EmailVerification/EmailVerification.stories.tsx
5. hooks/useEmailVerification.ts
6. services/tomba-api.ts
7. types/email-verification.ts

Use the Tomba API documentation for accurate implementation.
```

### 2. Bug Fixing and Optimization

**Performance Issue Resolution:**

```
I'm experiencing performance issues with my Tomba API integration:

Issues:
- High memory usage during bulk operations
- Slow response times (>2 seconds)
- Occasional rate limit errors
- Memory leaks in production

Please:
1. Analyze the existing code for bottlenecks
2. Implement connection pooling
3. Add request queuing for bulk operations
4. Optimize memory usage
5. Improve error handling for rate limits
6. Add monitoring and logging
7. Create performance tests

Fix the identified issues and optimize the implementation.
```

### 3. Testing Implementation

**Comprehensive Testing Setup:**

```
Create a comprehensive testing suite for the Tomba API integration:

Testing Requirements:
- Unit tests for all service methods
- Integration tests with mock API responses
- Error scenario testing
- Rate limiting tests
- Performance benchmarks
- End-to-end tests for user flows

Files to create:
1. tests/unit/tomba-client.test.ts
2. tests/integration/api-integration.test.ts
3. tests/mocks/tomba-api-responses.ts
4. tests/performance/load-tests.ts
5. tests/e2e/email-verification.spec.ts
6. tests/helpers/test-utils.ts

Set up Jest configuration and testing utilities.
```

## Advanced Use Cases

### 1. Microservice Architecture

**Complete Microservice Creation:**

```
Create a complete microservice for email verification using Tomba API:

Architecture:
- Node.js with Express and TypeScript
- Clean architecture pattern
- Docker containerization
- Health checks and monitoring
- API documentation with Swagger
- Logging and error tracking
- Rate limiting and caching
- Authentication and authorization

Services to implement:
1. Email verification service
2. Bulk processing service
3. Cache service (Redis)
4. Queue service (Bull)
5. Notification service

Create all necessary files including:
- API routes and controllers
- Service layer implementations
- Database models and repositories
- Docker and Docker Compose files
- CI/CD pipeline configuration
- Documentation and README

Use Tomba API documentation for accurate integration.
```

### 2. React Application Integration

**Full Stack React App:**

```
Build a complete React application for email management using Tomba API:

Frontend Features:
- Email verification dashboard
- Bulk email upload and processing
- Real-time validation feedback
- Export functionality
- User authentication
- Responsive design

Technical Stack:
- React 18 with TypeScript
- Tailwind CSS for styling
- React Query for data fetching
- React Router for navigation
- React Hook Form for forms
- Recharts for analytics
- Jest and React Testing Library

Backend Features:
- Express API with TypeScript
- JWT authentication
- File upload handling
- Background job processing
- Rate limiting and caching
- API documentation

Create the complete application with proper project structure.
```

### 3. CLI Tool Development

**Command Line Interface:**

```
Create a CLI tool for Tomba API operations:

CLI Features:
- Email verification commands
- Bulk processing from files
- Export results to various formats
- Configuration management
- Progress reporting
- Interactive prompts

Commands to implement:
- verify <email> - Verify single email
- bulk <file> - Process emails from file
- export <format> - Export results
- config - Manage API credentials
- status - Check API status and quotas

Technical Requirements:
- Node.js with TypeScript
- Commander.js for CLI framework
- Inquirer.js for interactive prompts
- Progress bars for bulk operations
- Colorized output
- Configuration file management
- Error handling and logging

Create the complete CLI tool with proper packaging.
```

## Code Examples

### 1. TypeScript Client Implementation

**Prompt:**

```
Create a production-ready TypeScript client for Tomba API with:

- Singleton pattern for client instance
- Configuration management
- Request/response interceptors
- Automatic retry with exponential backoff
- Rate limiting with queue management
- Comprehensive error handling
- Event emitters for monitoring
- TypeScript interfaces for all endpoints
- JSDoc documentation
- Unit tests

Implement all major endpoints from the Tomba API documentation.
```

### 2. Express Middleware

**Prompt:**

```
Create Express middleware for email validation using Tomba API:

Middleware features:
- Configurable validation rules
- Request caching
- Rate limiting per IP
- Error handling with proper HTTP status codes
- Logging and monitoring
- Support for both sync and async validation
- TypeScript types

Create middleware for:
1. Single email validation
2. Bulk email validation
3. Domain validation
4. Rate limiting enforcement
5. Authentication handling
```

### 3. React Hooks

**Prompt:**

```
Create React hooks for Tomba API integration:

Hooks to implement:
1. useEmailVerification - Single email verification
2. useBulkEmailVerification - Bulk processing
3. useTombaConfig - Configuration management
4. useEmailValidation - Real-time form validation
5. useTombaStatus - API status monitoring

Features:
- TypeScript throughout
- Error boundary integration
- Loading states management
- Caching with React Query
- Optimistic updates
- Retry logic
- Unit tests
```

## Best Practices with Cline

### 1. Detailed Requirements

Provide comprehensive requirements:

```
Context: Building email verification for e-commerce platform
Scale: 10k users, 50k emails/day
Tech Stack: Next.js 14, TypeScript, Tailwind, Prisma, PostgreSQL
Team: 3 frontend, 2 backend developers
Timeline: 4 weeks

Requirements:
- Real-time email validation during checkout
- Admin dashboard for bulk verification
- API for mobile app integration
- 99.9% uptime requirement
- GDPR compliance
- Multi-language support

Based on Tomba API documentation, implement the complete solution.
```

### 2. Iterative Development

Build features incrementally:

```
Phase 1: Core email verification functionality
- Basic API client implementation
- Single email verification
- Error handling

Let's start with Phase 1. Create the foundation for Tomba API integration.
```

After completion:

```
Phase 2: Enhanced features
- Bulk email processing
- Caching implementation
- Rate limiting

Build on the previous implementation to add bulk processing capabilities.
```

### 3. Code Review and Optimization

```
Review the current Tomba API integration and optimize for:

1. Performance - identify bottlenecks and optimize
2. Security - ensure API keys are properly handled
3. Reliability - improve error handling and retry logic
4. Maintainability - refactor for better code organization
5. Testing - add missing test coverage
6. Documentation - improve code comments and README

Make specific improvements with explanations.
```

## Integration with VS Code Features

### 1. Debugging Support

Cline can help set up debugging:

```
Set up debugging configuration for the Tomba API integration:

1. VS Code launch configurations for Node.js
2. Debug configurations for tests
3. Environment variable setup
4. Debugging utilities and helpers
5. Error monitoring integration
6. Logging configuration

Create .vscode/launch.json and debugging utilities.
```

### 2. Task Automation

```
Create VS Code tasks for common development workflows:

Tasks to create:
1. Build and compile TypeScript
2. Run tests with watch mode
3. Start development server
4. Run linting and formatting
5. Deploy to staging
6. Generate API documentation

Configure tasks.json and keyboard shortcuts.
```

### 3. Extension Integration

```
Configure VS Code extensions for optimal Tomba API development:

1. Recommend essential extensions
2. Configure ESLint and Prettier
3. Set up TypeScript strict mode
4. Configure Jest extension
5. Set up REST Client for API testing
6. Configure Git hooks

Update .vscode/extensions.json and settings.
```

## Troubleshooting

### Common Cline Issues

1. **API Rate Limits**: Cline might hit API limits during extensive code generation
2. **Context Size**: Large projects may exceed context window
3. **File Permissions**: Ensure Cline has write permissions
4. **Extension Conflicts**: Disable conflicting AI extensions

### Optimization Tips

1. **Be Specific**: Provide detailed requirements and constraints
2. **Use Incremental Approach**: Build features step by step
3. **Reference Documentation**: Always point to the Tomba API docs
4. **Test Early**: Ask Cline to create tests alongside implementation

## Additional Resources

- [Cline Extension on VS Code Marketplace](https://marketplace.visualstudio.com/items?itemName=saoudrizwan.claude-dev)
- [Cline GitHub Repository](https://github.com/saoudrizwan/claude-dev)
- [VS Code Extension Development](https://code.visualstudio.com/api)
- [Tomba API Reference](/api)
- [Authentication Guide](/authentication)