无法使用next-redux-wrapper使Redux(Thunks)与NextJS配合使用:未调用的getInitalProps

时间:2020-01-30 16:13:57

标签: reactjs redux next.js redux-thunk

我正在尝试使用next-redux-wrapper使Redux与thunk一起使用。我看过示例代码,但是我的代码不起作用。我来回走了,再也看不到树林里的树木了。目前,我的index.js中的“ getInitialProps”没有被调用,因此我的数据从未被加载,因为我从未调度数据加载动作。商店已创建,但是它是空的。

任何帮助,不胜感激!真令人沮丧...

// _app.js
import {createStore} from "redux";
import {Provider} from "react-redux";
import App from "next/app";
import withRedux from "next-redux-wrapper";
import initStore from '../redux/store'
function MyApp({ Component, pageProps,store }) {
    console.log('in _app', store.getState())
    return (
        <Provider store={store}>
            <Component {...pageProps} />
        </Provider>
    );
}
export default withRedux(initStore,{debug:true})(MyApp);



// store.js
import { configureStore } from '@reduxjs/toolkit'
import rootReducer from './root-reducer'
const store = () => configureStore({
    reducer: rootReducer,
})
export default store



// index.js
import React from 'react'
import Head from 'next/head'
import Nav from '../components/nav'
import {useDispatch} from "react-redux"
import {fetchPosts} from '../redux/posts'
const Home = () => {
 return  (<div>
    <Head>
      <title>Home</title>
      <link rel="icon" href="/favicon.ico" />
    </Head>
    <Nav />
    <div className="hero">
      <h1 className="title">Welcome YAA!</h1>
    </div>
  </div>)
}
Home.getInitialProps = async ({store,isServer}) => {
    console.log('about to dispatch')
    store.dispatch(fetchPosts())
    return {store,isServer}
}
export default Home

编辑:

这有效。我想它必须是一个类,尽管NextJS网站上的example使用了功能组件

import App from 'next/app'
import React from 'react'
import withRedux from "next-redux-wrapper";
import {Provider} from 'react-redux'
import initStore from '../redux/store'

const makeStore = (initialState, options) => {
    return initStore(initialState)
};
class MyApp extends App {

static async getInitialProps({Component, ctx}) {


        const pageProps = Component.getInitialProps ? await Component.getInitialProps(ctx) : {};

        return {pageProps};

    }

    render() {
        // @ts-ignore
      const {Component, pageProps, store} = this.props;
        return (
          <Provider store={store}>
              <Component {...pageProps} />
          </Provider>
        );
    }

}

export default withRedux(makeStore)(MyApp);

1 个答案:

答案 0 :(得分:3)

我遇到了与您相同的问题,在阅读了此处的评论以及您对问题的解决方案后,我重新编写了我作为功能性组件的内容,它可以正常工作,因此,如果您想使用或针对有相同问题的任何人,这里是解决方案:

import { Provider } from "react-redux";
import withRedux from "next-redux-wrapper";
import { initStore } from "../store/store";

import "./styles.scss";

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

MyApp.getInitialProps = async ({ Component, ctx }) => {
  const pageProps = Component.getInitialProps
    ? await Component.getInitialProps(ctx)
    : {};
  return { pageProps };
};

export default withRedux(initStore)(MyApp);