Is NgRx difficult to learn?

When I was first learning NgRx, I struggled . A lot. There were simply too many new concepts to learn and not a lot of good training materials at the time. The official docs didn’t even exist back then!2 Haz 2020

Ngrx is a group of Angular libraries for reactive extensions . Ngrx/Store implements the Redux pattern using the well-known RxJS observables of Angular 2. It provides several advantages by simplifying your application state to plain objects, enforcing unidirectional data flow, and more.

Why should we use ngrx/data? This library gives multiple features, which are as follows: No need to create anything , Ohh by anything I mean actions, reducers, effects, selectors and blah blah of course.