Monday, October 9, 2017

Angular 4.3: HTTP Interceptors are back

With the introduction of a new HttpClient in Angular 4.3, an old feature of Angular.js was re-introduced; HttpInterceptors. Interceptors are sitting between the application and the backend and allow you to transform a request coming from the application before it is actually submitted to the backend. And of course you when a response arrivers from the backend an interceptor can transform it before delivering it to your application logic.

This allows us to simplify the interaction with the backend in our Angular app and hide most of the shared logic inside an interceptor.

Let’s create a simple example that injects an OAuth token in our requests:

To be able to use the interceptor, you’ll have to register it:


sivaranjani E said...

These ways are very simple and very much useful, as a beginner level these helped me a lot thanks fore sharing these kinds of useful and knowledgeable information.

AWS Training in Chennai

pplcallmemeenu said...

Thank you for sharing such a nice and interesting blog with us. I have seen that all will say the same thing repeatedly. But in your blog, I had a chance to get some useful and unique information. I would like to suggest your blog in my dude circle.
development Company in India

Dhana Chandra said...
This comment has been removed by the author.