How can I optimize performance in a Redux application using TypeScript?

How can I optimize performance in a Redux application using TypeScript?

To optimize performance in a Redux app with TypeScript, consider using memoization, selectors, and the useSelector hook efficiently.

What are selectors and how do they help with performance?

Selectors are functions that extract specific pieces of state from the Redux store. They help by preventing unnecessary re-renders.

Can you give an example of a memoized selector?

Sure! You can use reselect to create a memoized selector like this: const getItems = createSelector(state => state.items, items => items.filter(item => item.active));.

Are there any other tips for improving Redux performance?

Yes! You can also batch updates, avoid deep nesting in state, and use the React.memo for components that rely on Redux state.