Example of a Reducer
Explore how reducers work in Angular with NgRx to manage state changes between actions. Understand defining state models, initializing state, and handling actions using switch statements. This lesson helps you grasp essential patterns for organizing Actions and Reducers to maintain clear and efficient state management in your Angular applications.
We'll cover the following...
We'll cover the following...
What is a Reducer?
Reducers handle the functionality where we go from one State to the next.
A Reducer doesn’t implement an interface as the Action does, but it does return a State object. The Reducer function takes in two arguments, that is, the State and the Action.
Example
For our Managing Apples example, a Reducer could look as follows:
First, we define the interface of our State model in ...