Interceptors are a unique type of Angular Service that we can implement. Interceptors allow us to intercept incoming or outgoing HTTP requests using the HttpClient . By intercepting the HTTP request, we can modify or change the value of the request.
How do you use the interceptor in angular 8?
Using an Angular HTTP Interceptor
- Step 1 - Preparing your Angular Project.
- Step 2 - Setting up Angular HttpClient.
- Step 3 - Creating the Angular Interceptor.
- Step 4 - Registering the HTTP Interceptor.
- Step 5 - Configuring TypeScript to Import Local JSON files.
- Step 6 - Intercepting URLs and Returning Mocked JSON Data.
What is the use of interceptors?
Interceptors are used in conjunction with Java EE managed classes to allow developers to invoke interceptor methods on an associated target class, in conjunction with method invocations or lifecycle events. Common uses of interceptors are logging, auditing, and profiling.
