How do I read Redux state in a component?
Use the useSelector hook from react-redux, selecting only the part of state you need. Selecting only the slice you need avoids unnecessary re-renders when other parts of state change.
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More FAQs in How to Set Up Redux Toolkit in a React App From Scratch
Install @reduxjs/toolkit and react-redux, create a slice with createSlice, configure the store with configureStore, wrap your app in a Provider, read state with useSelector, dispatch actions with useDispatch, and handle async with createAsyncThunk.
@reduxjs/toolkit for the store utilities like createSlice and configureStore, and react-redux for the React bindings like Provider, useSelector, and useDispatch. Both are needed.
Use createSlice, defining the initial state and reducers in one place. It auto-generates action creators for you. A cart slice might have an items array and add and remove reducers.
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