Mastering State Management with Angular and NgRx/

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Selector Composition

Selector Composition

Get introduced to the concept of selector composition.

We'll cover the following...

Introduction

We have already learned about the createFeatureSelector() function, which retrieves an entire slice from the store. We utilized this function to create the getProductSelector and the getProductsSelector in our application.

import { createFeatureSelector } from "@ngrx/store";
import { ProductsState } from "./products.interfaces";
export const getProductsSelector = createFeatureSelector<ProductsState>('products')
Defining the getProductsSelector function

We may not always need the entire slice value in our application. We may need a specific property of that slice. In other scenarios, we may need to combine multiple slices to get the desired value. The ...