Ngrx/entity GitHub

An entity adapter is a plain JS object (not a class) containing the generated reducer functions, the original provided selectId and sortComparer callbacks, a method to generate an initial “entity state” value, and functions to generate a set of globalized and non-globalized memoized selector functions for this entity …

NgRx Entity is a small library that helps us to keep our entities in this ideal Entity state format (array of ids plus map of entities ). This library is designed to be used in conjunction with NgRx Store and is really a key part of the NgRx ecosystem.21 Oca 2022

Quoting NgRx Data documentation, typical usage of this library is entity data management. Basically it means that if you have complex entity collection you should go hard way and use @ngrx/entity where the boilerplate code is huge .

@ngrx/entity lets you create entity adapters for different kinds of entities . Using an entity adapter, you can quickly write reducer operations and automatically generate selectors. Pulling from our example application, let’s say we want to write an application that manages a collection of books.19 Eki 2017