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Universal-webpack服务端渲染
来自 : www.suoniao.com/article/13...
发布时间:2021-03-25
我的Demo:universal-webpack + koa + react + webpack。
官方Demo
目前仅支持Webpack2.
npm install webpack --savenpm install extract-text-webpack-plugin --save
以往我们会创建一个标准的 webpack.config.js 。
此时,我们需要创建另外两个配置文件:webpack.config.client.babel.js 和 webpack.config.client.babel.js。如下:
import { client } from \"universal-webpack/config\"import settings from \"./universal-webpack-settings\"import configuration from \"./webpack.config\"export default client(configuration, settings)
代替webpack.config.js来完成客户端的打包。
webpack.config.server.babel.jsimport { server } from \"universal-webpack/config\"import settings from \"./universal-webpack-settings\"import configuration from \"./webpack.config\"export default server(configuration, settings)universal-webpack-settings.json
{ \"server\": \"input\": \"./source/server.js\", \"output\": \"./build/server/server.js\"
output所对应的文件由input对应的文件使用Webpack根据webpack.config.server.babel.js中的配置生成。
server.js服务器启动,官方Demo如下:
// express.jsimport path from \"path\"import http from \"http\"import express from \"express\"import http_proxy from \"http-proxy\"// react-routerimport routes from \"../client/routes.js\"// Reduximport store from \"../client/store.js\"// The server code must export a function// (`parameters` may contain some miscellaneous library-specific stuff)export default function(parameters) // Create HTTP server const app = new express() const server = new http.Server(app) // Serve static files app.use(express.static(path.join(__dirname, \"..\", \"build/assets\"))) // Proxy API calls to API server const proxy = http_proxy.createProxyServer({ target: \"http://localhost:xxxx\" }) app.use(\"/api\", (req, res) = proxy.web(req, res)) // React application rendering app.use((req, res) = // Match current URL to the corresponding React page // (can use `react-router`, `redux-router`, `react-router-redux`, etc) react_router_match_url(routes, req.originalUrl).then((error, result) = if (error) res.status(500) return res.send(\"Server error\") // Render React page const page = redux.provide(result, store) res.status(200) res.send(\" !doctype html \" + \"\\n\" + ReactDOM.renderToString( Html {page} /Html )) // Start the HTTP server server.listen()
但这个文件不是真正的入口文件,需要另一个文件,我们需要另一个文件来启动服务。
start-server.jsvar startServer = require(\"universal-webpack/server\")var settings = require(\"../universal-webpack-settings\")// `configuration.context` and `configuration.output.path` are usedvar configuration = require(\"../webpack.config\")startServer(configuration, settings)
调用这个入口文件,实质上是调用了通过Webpack打包之后的server.js。
开发环境的启动命令大致如下:
webpack-dev-server --hot --inline --config \"./webpack.config.client.babel.js\" --port XXXX --colors --display-error-details//启动一个webpack-dev-server,真正的Development Server会从这里请求一些静态文件(比如:boundle.js)。//Universal-webpack不会再服务端释放任何资源,所有资源都在客户端)。webpack --watch --config \"./webpack.config.server.babel.js\" --colors --display-error-details//打包服务端代码nodemon \"./source/start-server\" --watch \"./build/server\"启动服务器
生产环境的启动命令大致如下:
webpack --config \"./webpack.config.client.babel.js\" --colors --display-error-detailswebpack --config \"./webpack.config.server.babel.js\" --colors --display-error-detailsnode \"./source/start-server\"Chunks
返回webpack最终所输出的文件信息:
build/webpack-chunks.json{ javascript: main: `/assets/main.785f110e7775ec8322cf.js` styles: main: `/assets/main.785f110e7775ec8322cf.css`
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发布于 : 2021-03-25
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