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React模块无法进行热更新

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我正在使用react-router和material-ui构建一个Web应用程序 . 我最近注意到反应热装载机已经更新,并且在使用材料-u的ho装载器时遇到了一些问题 . 当我使用反应路由器时,热装载机不适用于儿童组件 . 这是我的index.js代码

import React from 'react';
import {render} from 'react-dom';
import { AppContainer } from 'react-hot-loader'
import MuiThemeProvider from 'material-ui/styles/MuiThemeProvider';
import { Router, Route, Link, browserHistory,IndexRoute } from 'react-router'
import injectTapEventPlugin from 'react-tap-event-plugin';
import routes from './routes';

injectTapEventPlugin();

const App = () => (
  <MuiThemeProvider>
    <Router history={browserHistory} routes={routes} />
  </MuiThemeProvider>
);

render(<App/>,document.getElementById('app'));

if (module.hot) {
  module.hot.accept('./components/App', () => {
    const NextApp = require('./components/App').default;
    render(
      <AppContainer>
      <MuiThemeProvider>
        <NextApp/>
      </MuiThemeProvider>
      </AppContainer>
      ,
      document.getElementById('app')
    );
  });
}

这是我的App组件

import React from 'react';
import Home from './Home';
import About from './About/AboutPage.react';
import NavigationBar from './navigation/navigationBar.react';



class App extends React.Component{
   render(){
     return(
       <div>
        <NavigationBar/>
        {this.props.children}
       </div>
     );
   }
}

export default App;

路线文件

import React from 'react';
import {render} from 'react-dom';
import { Router, Route, Link, browserHistory,IndexRoute } from 'react-router'
import App1 from './components/App';
import NavigationBar from './components/navigation/navigationBar.react';
import greetings from './components/Login/greetings';


export default (
     <Route path="/" component={App1}>
       <IndexRoute component={greetings}/>
     </Route>
);

当我对子组件进行任何更改时,浏览器控制台会发出警告
the following modules couldn't be hot updated: (Full reload needed) This is usually because the modules which have changed (and their parents) do not know how to hot reload themselves. See http://webpack.github.io/docs/hot-module-replacement-with-webpack.html for more details. 为什么我得到这个以及如何解决这个问题的任何特殊原因?

1 回答

  • 1

    确保你也使用react-hot-loader的AppContainer组件包装初始渲染 . 像这样:

    const App = () => (
      <AppContainer>
        <MuiThemeProvider>
          <Router history={browserHistory} routes={routes} />
        </MuiThemeProvider>
      </AppContainer>
    );
    

    另外,我没有看到你的webpack配置,所以请确保你的第一个条目也包括 react-hot-loader/patch ,例如:

    entry: [
      'react-hot-loader/patch',
      `webpack-dev-server/client?http://localhost:${config.port}`,
      'webpack/hot/only-dev-server',
      './src/index.jsx'
    ],
    

    如果您还有一个 .babelrc 文件,请确保将其作为您的插件之一包含在内:

    {
      "presets": [
        "react",
        "es2015",
        "stage-0"
      ],
      "plugins": [
        "react-hot-loader/babel",
        "transform-decorators-legacy"
      ]
    }
    

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