soltran team-management .cursorrules file for TypeScript

You are an expert in Python, Django, and scalable web application development. You are also an expert in TypeScript, React Native, Expo, and Mobile UI development.

When it comes to Django, follow these principles:

Key Principles

- Write clear, technical responses with precise Django examples.
- Use Django's built-in features and tools wherever possible to leverage its full capabilities.
- Prioritize readability and maintainability; follow Django's coding style guide (PEP 8 compliance).
- Use descriptive variable and function names; adhere to naming conventions (e.g., lowercase with underscores for functions and variables).
- Structure your project in a modular way using Django apps to promote reusability and separation of concerns.

Django/Python

- Use Django’s class-based views (CBVs) for more complex views; prefer function-based views (FBVs) for simpler logic.
- Leverage Django’s ORM for database interactions; avoid raw SQL queries unless necessary for performance.
- Use Django’s built-in user model and authentication framework for user management.
- Utilize Django's form and model form classes for form handling and validation.
- Follow the MVT (Model-View-Template) pattern strictly for clear separation of concerns.
- Use middleware judiciously to handle cross-cutting concerns like authentication, logging, and caching.

Error Handling and Validation

- Implement error handling at the view level and use Django's built-in error handling mechanisms.
- Use Django's validation framework to validate form and model data.
- Prefer try-except blocks for handling exceptions in business logic and views.
- Customize error pages (e.g., 404, 500) to improve user experience and provide helpful information.
- Use Django signals to decouple error handling and logging from core business logic.

Dependencies

- Django
- Django REST Framework (for API development)
- Celery (for background tasks)
- Redis (for caching and task queues)
- PostgreSQL (preferred database for production)

Django-Specific Guidelines

- Use Django templates for rendering HTML and DRF serializers for JSON responses.
- Keep business logic in models and forms; keep views light and focused on request handling.
- Use Django's URL dispatcher (urls.py) to define clear and RESTful URL patterns.
- Apply Django's security best practices (e.g., CSRF protection, SQL injection protection, XSS prevention).
- Use Django’s built-in tools for testing (unittest and pytest-django) to ensure code quality and reliability.
- Leverage Django’s caching framework to optimize performance for frequently accessed data.
- Use Django’s middleware for common tasks such as authentication, logging, and security.

Performance Optimization

- Optimize query performance using Django ORM's select_related and prefetch_related for related object fetching.
- Use Django’s cache framework with backend support (e.g., Redis or Memcached) to reduce database load.
- Implement database indexing and query optimization techniques for better performance.
- Use asynchronous views and background tasks (via Celery) for I/O-bound or long-running operations.
- Optimize static file handling with Django’s static file management system (e.g., WhiteNoise or CDN integration).

Key Conventions

1. Follow Django's "Convention Over Configuration" principle for reducing boilerplate code.
2. Prioritize security and performance optimization in every stage of development.
3. Maintain a clear and logical project structure to enhance readability and maintainability.

Refer to Django documentation for best practices in views, models, forms, and security considerations.

When it comes to React Native, follow these principles:

Code Style and Structure

- Write concise, technical TypeScript code with accurate examples.
- Use functional and declarative programming patterns; avoid classes.
- Prefer iteration and modularization over code duplication.
- Use descriptive variable names with auxiliary verbs (e.g., isLoading, hasError).
- Structure files: exported component, subcomponents, helpers, static content, types.
- Follow Expo's official documentation for setting up and configuring your projects: https://docs.expo.dev/

Naming Conventions

- Use lowercase with dashes for directories (e.g., components/auth-wizard).
- Favor named exports for components.

TypeScript Usage

- Use TypeScript for all code; prefer interfaces over types.
- Avoid enums; use maps instead.
- Use functional components with TypeScript interfaces.
- Use strict mode in TypeScript for better type safety.

Syntax and Formatting

- Use the "function" keyword for pure functions.
- Avoid unnecessary curly braces in conditionals; use concise syntax for simple statements.
- Use declarative JSX.
- Use Prettier for consistent code formatting.

UI and Styling

- Use Expo's built-in components for common UI patterns and layouts.
- Implement responsive design with Flexbox and Expo's useWindowDimensions for screen size adjustments.
- Use react-native-unistyles, whether that is using createStyleSheet or useStyles, etc.
- Follow React Native Unistyles official documentation for styling the project: https://reactnativeunistyles.vercel.app/start/introduction/
- Implement dark mode support using Expo's useColorScheme.
- Ensure high accessibility (a11y) standards using ARIA roles and native accessibility props.
- Leverage react-native-reanimated and react-native-gesture-handler for performant animations and gestures.

Safe Area Management

- Use SafeAreaProvider from react-native-safe-area-context to manage safe areas globally in your app.
- Wrap top-level components with SafeAreaView to handle notches, status bars, and other screen insets on both iOS and Android.
- Use SafeAreaScrollView for scrollable content to ensure it respects safe area boundaries.
- Avoid hardcoding padding or margins for safe areas; rely on SafeAreaView and context hooks.

Performance Optimization

- Minimize the use of useState and useEffect; prefer context and reducers for state management.
- Use Expo's AppLoading and SplashScreen for optimized app startup experience.
- Optimize images: use WebP format where supported, include size data, implement lazy loading with expo-image.
- Implement code splitting and lazy loading for non-critical components with React's Suspense and dynamic imports.
- Profile and monitor performance using React Native's built-in tools and Expo's debugging features.
- Avoid unnecessary re-renders by memoizing components and using useMemo and useCallback hooks appropriately.

Navigation

- Use react-navigation for routing and navigation; follow its best practices for stack, tab, and drawer navigators.
- Leverage deep linking and universal links for better user engagement and navigation flow.
- Use dynamic routes with expo-router for better navigation handling.

State Management

- Use React Context and useReducer for managing global state.
- Leverage react-query for data fetching and caching; avoid excessive API calls.
- For complex state management, consider using Zustand or Redux Toolkit.
- Handle URL search parameters using libraries like expo-linking.

Error Handling and Validation

- Use Zod for runtime validation and error handling.
- Implement proper error logging using Sentry or a similar service.
- Prioritize error handling and edge cases:
  - Handle errors at the beginning of functions.
  - Use early returns for error conditions to avoid deeply nested if statements.
  - Avoid unnecessary else statements; use if-return pattern instead.
  - Implement global error boundaries to catch and handle unexpected errors.
- Use expo-error-reporter for logging and reporting errors in production.

Testing

- Write unit tests using Jest and React Native Testing Library.
- Implement integration tests for critical user flows using Detox.
- Use Expo's testing tools for running tests in different environments.
- Consider snapshot testing for components to ensure UI consistency.

Security

- Sanitize user inputs to prevent XSS attacks.
- Use react-native-encrypted-storage for secure storage of sensitive data.
- Ensure secure communication with APIs using HTTPS and proper authentication.
- Use Expo's Security guidelines to protect your app: https://docs.expo.dev/guides/security/

Internationalization (i18n)

- Use react-native-i18n or expo-localization for internationalization and localization.
- Support multiple languages and RTL layouts.
- Ensure text scaling and font adjustments for accessibility.

Key Conventions

1. Rely on Expo's managed workflow for streamlined development and deployment.
2. Prioritize Mobile Web Vitals (Load Time, Jank, and Responsiveness).
3. Use expo-constants for managing environment variables and configuration.
4. Use expo-permissions to handle device permissions gracefully.
5. Implement expo-updates for over-the-air (OTA) updates.
6. Follow Expo's best practices for app deployment and publishing: https://docs.expo.dev/distribution/introduction/
7. Ensure compatibility with iOS and Android by testing extensively on both platforms.

API Documentation

- Use Expo's official documentation for setting up and configuring your projects: https://docs.expo.dev/

Refer to Expo's documentation for detailed information on Views, Blueprints, and Extensions for best practices.