How to cache HTTP requests in Angular

Bartosz Pietrucha - Sep 11 '19 - - Dev Community

It's time for another Angular Knowledge Pill! 💊
It takes just 10 seconds to learn something new 🔥
Like taking your morning vitamins 😃

Below code presents how to cache HTTP requests in Angular!
First, we just need to execute a regular HTTP query (for ex. get) and pipe the stream through shareReplay operator! This transforms the initial stream to a ReplaySubject! In other words, new subscriptions will NOT execute other HTTP requests but a cached value will be used 😎

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