What are the best practices for using Akita with NgRx?

What are the best practices for using Akita with NgRx?

When using Akita with NgRx, it's important to keep your state management clear and maintainable. Here are some best practices:

1. Separation of Concerns: Keep your state management logic separate from your UI components.
2. Use Akita's Store: Leverage Akita's store for managing local state, while using NgRx for global state management.
3. Selectors: Create selectors in Akita to efficiently retrieve slices of state.
4. Immutable State: Always ensure your state is immutable to prevent unintended side effects.
5. Testing: Write unit tests for your stores and queries to ensure they behave as expected.

Can you explain how to set up Akita with NgRx?

To set up Akita with NgRx, follow these steps:

1. Install Dependencies: Make sure you have both Akita and NgRx installed in your Angular project.
2. Create a Store: Use Akita's createStore function to create a store for your feature.
3. Integrate with NgRx: Use NgRx effects to handle side effects and dispatch actions that update your Akita store.
4. Define Queries: Create queries in Akita to access the state and use them in your components.
5. Connect to Components: Use Akita's select method to connect your components to the store.

What are some common pitfalls to avoid?

Some common pitfalls to avoid when using Akita with NgRx include:

1. Overcomplicating State Management: Don't mix too many state management libraries; choose one for global and one for local state.
2. Neglecting Performance: Avoid unnecessary re-renders by using memoized selectors in Akita.
3. Ignoring Immutability: Always return new state objects instead of mutating existing ones.
4. Lack of Documentation: Document your state management logic to help other developers understand your approach.

Can you provide examples of selectors in Akita?

Sure! Here are a couple of examples of selectors in Akita:

1. Basic Selector: To get all items from the store:

   @Select(MyStoreState.getAllItems) items$: Observable<Item[]>;
   

2. Filtered Selector: To get items based on a condition:

   @Select(MyStoreState.getItemsByCategory(category)) itemsByCategory$: Observable<Item[]>;
   

These selectors help you retrieve specific slices of state efficiently.