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Intercept HTTP Requests with Angular’s HttpInterceptor


Being able to intercept HTTP requests is crucial in a real world application. Whether it is for error handling and logging or for injecting authentication tokens. While in Angular version 2 it intercepting HTTP requests was totally possible, implementing it wasn't that trivial and intuitive. Starting from Angular version 4.3.1 there is a new, way more simpler approach of implementing HTTP interceptors. In this lesson we're going to explore how.