install redux-toolkit code example
Example 1: install redux toolkit
npm install @reduxjs/toolkit react-redux
Example 2: redux toolkit
import { createSlice } from '@reduxjs/toolkit';
export const counterSlice = createSlice({
name: 'counter',
initialState: {
value: 0,
},
reducers: {
increment: state => {
state.value += 1;
},
decrement: state => {
state.value -= 1;
},
incrementByAmount: (state, action) => {
state.value += action.payload;
},
},
});
export const { increment, decrement, incrementByAmount } = counterSlice.actions;
export const selectCount = state => state.counter.value;
export default counterSlice.reducer;