What are NGXS selectors and how do I use them?
An example of an AI chatbot conversation about NGXS selectors in state management.
What are NGXS selectors and how do I use them?
NGXS selectors are functions that allow you to query the state in an NGXS store. They help you retrieve specific pieces of state.
Can you give me an example of a selector?
Sure! A simple selector could be defined like this: @Selector([MyState]) static getItems(state: MyStateModel) { return state.items; }.
How do I use this selector in a component?
You can use the selector in your component by injecting the store and using the select method: this.store.select(MyState.getItems).subscribe(items => { this.items = items; });.
Are there any best practices for creating selectors?
Yes, it's best to keep selectors pure, avoid side effects, and use memoization to improve performance.
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