Angular HTTP Client Skill
Overview
Master Angular's HttpClient module for making HTTP requests, handling responses, implementing interceptors, and managing API communication patterns.
Topics Covered
HttpClient Basics
- GET, POST, PUT, DELETE requests
- Request and response typing
- Query parameters and headers
- Response body parsing
Interceptors
- HTTP interceptor creation
- Authentication token injection
- Request/response transformation
- Error handling interceptors
- Loading state management
Error Handling
- HttpErrorResponse handling
- Retry strategies with RxJS
- Global error handling
- User-friendly error messages
Advanced Patterns
- Request cancellation
- File upload/download
- Progress tracking
- Caching strategies
- API service design
Prerequisites
- Angular Core fundamentals
- TypeScript basics
- RxJS Observables understanding
Learning Outcomes
- Create type-safe API services
- Implement authentication interceptors
- Handle errors gracefully
- Build reusable HTTP patterns