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egg-view-react-ssr

NPM version build status Test coverage David deps Known Vulnerabilities npm download

React server side render solution for egg

Install

$ npm i egg-view-react-ssr --save

Usage

// {app_root}/config/plugin.js
exports.reactssr = {
  enable: true,
  package: 'egg-view-react-ssr',
};

Version

3.x.x (Node>8)

  • node version > 8
  • config reactssr.layout default app/view/layout.html
  • support react stateless component render (not support promise function callback)

2.x.x (Node>6)

  • node version > 6
  • config reactssr.layout default app/view/layout.js
  • support promise function callback(not support react stateless component render)

1.x.x

egg-view-react-ssr depends on egg-view-react plugin

Configuration

// {app_root}/config/config.default.js
exports.reactssr = {
  // doctype: '<!doctype html>',
  // layout: path.join(app.baseDir, 'app/view/layout.html'),
  // manifest: path.join(app.baseDir, 'config/manifest.json'),
  // injectHeadRegex: /(<\/head>)/i,
  // injectBodyRegex: /(<\/body>)/i,
  // injectCss: true,
  // injectJs: true,
  // crossorigin: false,
  // injectRes: [],
  // mergeLocals: true,
  // fallbackToClient: true, // fallback to client rendering if server render failed
  // afterRender: (html, context) => { /* eslint no-unused-vars:off */
  //   return html;
  // },
};

see config/config.default.js for more detail.

Render

Server Render, Call render

when server render bundle error, will try client render**

https://www.yuque.com/easy-team/egg-react/node

// controller/home.js
module.exports = app => {
  return class IndecController extends app.Controller {
    async index(ctx) {
      // home.js: webpack builded ssr entry jsbundle file
      await ctx.render('home.js', { message: 'egg react server side render'});
    }
  };
};

Client Render, Call renderClient, Use React render layout

https://www.yuque.com/easy-team/egg-react/web

when client render, render layout exports.reactssr.layout by React

// controller/home.js
module.exports = app => {
  return class IndecController extends app.Controller {
    async index(ctx) {
      // home.js: webpack builded client render entry jsbundle file
      await ctx.renderClient('home.js', { message: 'egg react client side render'});
    }
  };
};

Asset Render, Call renderAsset, Use render layout by viewEngine, default nunjucks

https://www.yuque.com/easy-team/egg-react/asset

  • when asset render, you can render layout exports.reactssr.layout by viewEngine, default use egg-view-nunjucks
  • you must install the specified engine dependence, such as egg-view-nunjucks or egg-view-ejs
  • The context provides an asset object that can get js, css, state information. layout template

use default viewEngine nunjucks

// controller/home.js
module.exports = app => {
  return class IndecController extends app.Controller {
    async index(ctx) {
      // home.js: webpack builded client render entry jsbundle file
      await ctx.renderAsset('home.js', { message: 'egg react client asset render'});
    }
  };
};

scope render viewEngine config

// controller/home.js
module.exports = app => {
  return class IndecController extends app.Controller {
    async index(ctx) {
      // home.js: webpack builded client render entry jsbundle file
      await ctx.renderAsset('home.js', { message: 'egg react client asset render'}, { viewEngine: 'ejs' });
    }
  };
};

Example

Questions & Suggestions

Please open an issue here.

License

MIT

egg-view-react-ssr's People

Contributors

dependabot[bot] avatar hubcarl avatar

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egg-view-react-ssr's Issues

ssr开启less报错

按文档添加
// webapck.config.js module: { rules: [ { less: true } ] },
// package.json "less": "^2.7.2", "less-loader": "^4.0.5",
配置后执行npm run dev报错
`
easyteam/node_modules/@easy-team/easywebpack-react/lib/base.js:23
if (Array.isArray(itemLoader.use)) {
^

TypeError: Cannot read property 'use' of undefined
at /Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack-react/lib/base.js:23:36
at Array.forEach ()
at WebpackClientBuilder.prepareCssModuleLoader (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack-react/lib/base.js:21:26)
at WebpackClientBuilder.createWebpackLoader (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack/lib/core/loader.js:394:10)
at WebpackClientBuilder.combineWebpackConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack/lib/target/base.js:141:21)
at WebpackClientBuilder.create (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack/lib/target/base.js:164:17)
at /Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack/lib/builder.js:152:61
at Array.forEach ()
at Object.exports.getWebpackConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack/lib/builder.js:147:12)
at Object.exports.getWebpackConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/@easy-team/easywebpack-react/index.js:8:37)
at module.exports (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/config/config.local.js:22:36)
at AgentWorkerLoader.loadFile (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-core/lib/loader/egg_loader.js:304:13)
at AgentWorkerLoader._loadConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-core/lib/loader/mixin/config.js:83:25)
at AgentWorkerLoader._preloadAppConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-core/lib/loader/mixin/config.js:68:27)
at AgentWorkerLoader.loadConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-core/lib/loader/mixin/config.js:26:28)
at AgentWorkerLoader.loadConfig (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg/lib/loader/agent_worker_loader.js:16:11)
2020-10-26 19:25:01,294 ERROR 14479 nodejs.AgentWorkerDiedError: [master] agent_worker#1:14480 died (code: 1, signal: null)
at Master.onAgentExit (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-cluster/lib/master.js:425:17)
at Master.emit (events.js:315:20)
at Messenger.sendToMaster (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-cluster/lib/utils/messenger.js:137:17)
at Messenger.send (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-cluster/lib/utils/messenger.js:102:12)
at ChildProcess. (/Users/zhangyuliang/Desktop/workspace/ssr/easyteam/node_modules/egg-cluster/lib/master.js:289:22)
at Object.onceWrapper (events.js:422:26)
at ChildProcess.emit (events.js:315:20)
at Process.ChildProcess._handle.onexit (internal/child_process.js:275:12)
name: "AgentWorkerDiedError"
pid: 14479
`

feature: spa ssr渲染模式时layout也需要获取ctx和初始数据

现象:使用spa ssr渲染模式时,页面入口可以获取到服务端的ctx和初始数据,但在layout里面无法获取ctx和初始数据,正常多页面启用loader或者客户端渲染时是可以在layout获取到ctx的,没看出明白问题在哪?

预期:spa ssr渲染模式时layout也需要获取ctx和初始数据

version:[email protected]

demo code
spa ssr demo entry

const serverRender = (context, options)=> {
  const { ctx, request, helper, url} = context.state;
  console.log("==================context")
  // console.log(context) // 可以拿到ctx
  const branch = matchRoutes(routes, url);
  const promises = branch.map(({route}) => {
    const fetch = route.component.fetch;
    return fetch instanceof Function ? fetch(ctx) : Promise.resolve(null)
  });
  return Promise.all(promises).then(data => {
    const initState = context.state;
    data.forEach(item => {
      Object.assign(initState, item);
    });
    context.state = Object.assign({}, context.state, initState);
    const store = create(initState);
    return () =>(
      <Layout>
        <Provider store={store}>
          <StaticRouter basename="/ssrdemo" location={url} context={{}}>
            <App url={url}/>
          </StaticRouter>
        </Provider>
      </Layout>
    )
  });
};

layout.js

export default class Layout extends React.Component {
  render() {
    let { ctx, request, helper, ...initState } = this.props;
    console.log('===================layout')
    console.log(this.props) // 无法拿到ctx
    // const serialize = require('serialize-javascript');
    // initState = initState.state || initState;
    return (
      <html>
        <head>
          <title>{this.props.title}</title>
          <meta charSet="utf-8"></meta>
          <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui"></meta>
          <meta httpEquiv="X-UA-Compatible" content="IE=edge"></meta>
          <meta name="keywords" content={this.props.keywords}></meta>
          <meta name="description" content={this.props.description}></meta>
          { EASY_ENV_IS_PROD && (
            <script dangerouslySetInnerHTML={{__html: baiduTongji}}></script>
          ) }
          { ctx && ctx.query.debug==='vconsole' && (
            <React.Fragment>
              <script src="https://cdnjs.cloudflare.com/ajax/libs/vConsole/3.2.0/vconsole.min.js"></script>
              <script dangerouslySetInnerHTML={{__html:`new VConsole();`}}></script>
            </React.Fragment>
          ) }
          <script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/2.5.7/core.min.js"></script>
          <script dangerouslySetInnerHTML={{__html:`document.write('${ie9Mixins}')`}}></script>
          { ctx && !/\/lowVersionBrowser/.test(ctx.request.url) && <script dangerouslySetInnerHTML={{__html:`document.write('${ie8Mixins}')`}}></script> }
          <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon"></link>
        </head>
        <body>
          <div id="app">{this.props.children}</div>
          {/* <script id="__INITIAL_STATE__" dangerouslySetInnerHTML={{__html: `window.__INITIAL_STATE__= ${serialize(initState, { isJSON: true })};`}}></script> */}
        </body>
      </html>
    )
  }
}

若不使用easywebpack,而只使用egg-view-react-ssr该如何配置呢?

请问,若不使用easywebpack,而只使用egg-view-react-ssr该怎样配置呢?

我在egg的项目里引入了egg-view-react-ssr,并开启插件后,然后自己配置webpack环境,却总是提示can't inject of undefined,若不使用easywebpack,配置webpack的思路大概是怎样的呢

有考虑增加在server端支持styled-component的同构

一直在使用easywebpack,项目有场景在运行时对样式的操作/变量的传值,需要使用styled-component,但在server端进行renderToString收集好component的样式表,append进

import { renderToString } from 'react-dom/server'
import { ServerStyleSheet } from 'styled-components'

const sheet = new ServerStyleSheet()
try {
  const html = renderToString(sheet.collectStyles(<YourApp />))
  const styleTags = sheet.getStyleTags() // or sheet.getStyleElement();
} catch (error) {
  // handle error
  console.error(error)
} finally {
  sheet.seal()
}

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