NgRx Store used with angular

This is the first article I make, I only make it to help people that they want to practise and find out the state management in Angular.

*in the and of the article is the link for the git link project.

This dummy project is a pokemon listing and views pokemon info, simple.

Let’s start by creating a project with state management.

I will start by adding a folder store where all sub-parts will be there.

The first thing we need to do is create our actions. Actions are one of the main building blocks in NgRx. Actions express unique events that happen throughout your application. From user interaction with the page, external interaction through network requests, and direct interaction with device APIs, these and more events are described with actions.

For my dummy project, my actions are:

In every action, we dispatch in reducer, reduce needs to be un mutable for every data that we pass.

The entity provides an API to manipulate and query entity collections.

In adapter, I set id for every item from the listed pokemon, then I initiate the state.

In reducer, we pass the data from every action and added in the state.

The first action I make is to get the list of the pokemon “START” action. In this action is send the limit and the offset to get only the first 10 items.

Selectors are pure functions used for obtaining slices of store state. @ngrx/store provides a few helper functions for optimizing this selection. Selectors provide many features when selecting slices of state:

Now in the component that we want to use this state management.

On the init we dispatch the action to get the first 10 pokemon. And we can bind it in the HTML with this:

the async pipe can use to display the data when is fetch by selector (and are populated).

The link for the project :

Links that we used:

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