Intermediate - Application-Level Development

1. Advanced React Patterns

• Higher-Order Components (HOCs)
  • Creating HOCs
  • Composing HOCs
  • Common HOC Patterns
  • HOC Best Practices
• Render Props Pattern
  • Implementation
  • Use Cases
  • Advantages and Limitations
• Compound Components
  • Context API Integration
  • Flexible Component Composition
  • State Management in Compounds
• Custom Hooks
  • Creating Reusable Logic
  • Hook Composition
  • Testing Custom Hooks
  • Common Custom Hook Patterns

2. Advanced State Management

• Context API Deep Dive
  • Performance Optimization
  • Context Splitting
  • Context vs Props
  • Context Best Practices
• Redux Toolkit
  • Store Setup
  • Reducers and Actions
  • Selectors
  • Middleware
  • RTK Query
• State Management Patterns
  • Flux Architecture
  • Atomic State Management
  • State Machines (XState)
  • State Management Best Practices

3. Performance Optimization

• React.memo Deep Dive
  • When to Use
  • Custom Comparison Functions
  • Performance Impact
• useMemo and useCallback
  • Dependency Arrays
  • Optimization Strategies
  • Common Pitfalls
• Code Splitting
  • React.lazy
  • Suspense
  • Dynamic Imports
  • Route-based Code Splitting
• Virtualization
  • react-window
  • react-virtualized
  • Infinite Scrolling
  • Virtual List Implementation

4. Advanced Hooks

• useReducer
  • Complex State Logic
  • State Updates
  • Middleware Integration
• useLayoutEffect
  • DOM Measurements
  • Synchronous Updates
  • Performance Considerations
• useImperativeHandle
  • Custom Instance Values
  • Parent-Child Communication
  • Ref Forwarding
• useDebugValue
  • Custom Hook Debugging
  • Development Tools Integration

5. Advanced Routing

• React Router v6
  • Advanced Route Configuration
  • Route Guards
  • Nested Routes
  • Dynamic Routes
• Route-based Code Splitting
• Route Transitions
• Protected Routes
• Query Parameters
• URL Management

6. Advanced Forms

• Form Libraries
  • React Hook Form
  • Formik
  • Final Form
• Form Validation
  • Schema Validation
  • Custom Validation Rules
  • Async Validation
• Dynamic Forms
• Form State Management
• Form Performance Optimization

7. Testing in React

• Advanced Testing Patterns
  • Integration Testing
  • End-to-End Testing
  • Snapshot Testing
• Testing Libraries
  • Jest
  • React Testing Library
  • Cypress
• Mocking
  • API Calls
  • Browser APIs
  • Third-party Libraries
• Test Coverage
• Testing Best Practices

8. Advanced Styling

• CSS-in-JS Solutions
  • Styled Components
  • Emotion
  • CSS Modules
• Theme Management
• Dynamic Styling
• CSS Architecture
• Animation Libraries
  • Framer Motion
  • React Spring
  • GSAP

9. TypeScript with React

• Type Definitions
• Generic Components
• Type Guards
• Utility Types
• TypeScript Best Practices
• Type Safety Patterns

10. Advanced Error Handling

• Error Boundaries
  • Implementation
  • Error Recovery
  • Fallback UI
• Global Error Handling
• Error Logging
• Error Monitoring
• Error Prevention

11. Advanced Component Patterns

• Component Composition
• Slot Pattern
• Container/Presenter Pattern
• Smart/Dumb Components
• Component Communication
• Component Libraries

12. React Ecosystem

• State Management Libraries
  • Zustand
  • Jotai
  • Recoil
• UI Component Libraries
  • Material-UI
  • Chakra UI
  • Ant Design
• Form Libraries
• Animation Libraries
• Utility Libraries

13. Build and Deployment

• Webpack Configuration
• Babel Configuration
• Environment Variables
• Build Optimization
• CI/CD Integration
• Performance Monitoring
• Error Tracking

14. Security in React

• XSS Prevention
• CSRF Protection
• Secure Authentication
• Data Sanitization
• Security Best Practices
• Dependency Security

15. Internationalization

• i18n Libraries
  • react-i18next
  • react-intl
• Translation Management
• RTL Support
• Date and Number Formatting
• Language Detection