How to implement time-based caching using HTTP Interceptor in Angular | Learn Smart Coding | Angular
Implementing time-based caching in Angular using HTTP Interceptor is simple and easy. This post shows step by step process of creating simple caching logic for all outgoing HTTP GET API calls.
Angular is used to develop SPA applications. Most of the pages in an application will call external HTTP APIs (GET) to retrieve data in order to display it on the screen. Let’s say, a user navigates to the same page multiple times which is normal.
This will lead to calling the same GET API multiple times though the data is not changed. A typical example is to get a list of product categories on a page which won’t change so often or even if doesn’t change at all.
By implementing caching in the front end or we can say as client-side, we will avoid calling the same API often. This will save some network calls and since data is served from the local cache, the application will be faster and give a rich user experience.
For more details and complete code, please visit my blog post below.
Complete source code can be downloaded from below GitHub URL
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https://karthiktechblog.com/angular/h...
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