next js create store

1//Now, we create our _app.js file in pages directory. Add the following lines of code.
2
3import React from "react";
4import App, { Container } from "next/app";
5import { Provider } from "react-redux";
6import withRedux from "next-redux-wrapper";
7import { initStore } from "../state/store";
8
9
10class MyApp extends App {
11   static async getInitialProps({ Component, ctx }) {
12       const pageProps = Component.getInitialProps
13           ? await Component.getInitialProps(ctx)
14           : {};
15            return { pageProps };
16   }
17
18
19   render() {
20       const { Component, pageProps, store } = this.props;
21       return (
22           <Container>
23               <Provider store={store}>
24                   <Component {...pageProps} />
25               </Provider>
26           </Container>
27       );
28   }
29}
30
31
32export default withRedux(initStore)(MyApp);