Selector Composition
Explore how to compose selectors using NgRx's createSelector function to retrieve specific state properties or combine multiple slices. Understand how to efficiently manage state in Angular applications by building custom selectors that focus on needed data, improving performance and code clarity.
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.
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 createFeatureSelector() function ...