Angular & Signals (283 Qs)•Part 7: Change Detection, Security (XSS/Sanitizer) & Interceptors (151 - 176)
What are the applications of HTTP interceptors?
The HTTP Interceptors can be used for different variety of tasks,
- Authentication
- Logging
- Caching
- Fake backend
- URL transformation
- Modifying headers
Practical Code Example
typescript
// HTTP Interceptor Applications:
// 1. Adding Bearer Authorization tokens
// 2. Global error logging and redirecting on 401
// 3. Showing / hiding global loading spinners
// 4. Request retry on transient 5xx network errors