Redux Toolkit Javascript Starter

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pnpm install @reduxjs/toolkit react-redux

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//store.js
import { configureStore } from '@reduxjs/toolkit'

export const store = configureStore({
  reducer: {},
})

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// pages/_app.js
import { store } from "../store/store";
import { Provider } from "react-redux";

function MyApp({ Component, pageProps }) {
    return (
        <Provider store={store}>
            <Component {...pageProps} />;
        </Provider>
    );
}

export default MyApp;

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// counterSlice.js
import { createSlice } from '@reduxjs/toolkit'

const initialState = {
  value: 0,
}

export const counterSlice = createSlice({
  name: 'counter',
  initialState,
  reducers: {
    increment: (state) => {
      // Redux Toolkit allows us to write "mutating" logic in reducers. It
      // doesn't actually mutate the state because it uses the Immer library,
      // which detects changes to a "draft state" and produces a brand new
      // immutable state based off those changes
      state.value += 1
    },
    decrement: (state) => {
      state.value -= 1
    },
    incrementByAmount: (state, action) => {
      state.value += action.payload
    },
  },
})

// Action creators are generated for each case reducer function
export const { increment, decrement, incrementByAmount } = counterSlice.actions

export default counterSlice.reducer