我们需要一个中间件,嵌入到server中(server以koa2为例) npm i —save koa-webpack koa-webpack其中主要依赖两个包webpack-dev-middleware和webpack-hot-middleware , 拆开来使用也可以,配置也都类似 第二步,修改构建配置文件 之前这里是使用server来刷新内容的,这种场景下是去掉了webpack-dev-server插件而使用webpack-hot-middleware 实现 entry: { index: ['react-hot-loader/patch', 'webpack-hot-middleware/client?
解放我们的双手有木有 安装插件 npm i --save-dev webpack-hot-middleware 修改配置文件 这里我们需要修改三个地方的配置文件:webpack.dev.js server.js index.js server.js 添加一个中间件 const WebpackHotMiddleware = require('webpack-hot-middleware'); ... app.use webpack.dev.js 入口文件部分修改如下: entry: { index: [ 'react-hot-loader/patch', 'webpack-hot-middleware webpack.dev.js entry 部分修改: entry: { index: [ 'react-hot-loader/patch', 'webpack-hot-middleware
webpack-hot-middleware 核心是给webpack提高服务端和客户端之间的通信机制,内部使用windoe.EventSocurce实现。 webpack-hot-middleware实现页面的热重载。 webpack-dev-middleware和express服务器,利用webpack-dev-middleware提供文件的监听和编译,利用express提供http服务,底层利用websocket代替EventSource实现了webpack-hot-middleware 服务器通知浏览器加载资源,浏览器获取的静态资源除了JS code内容之外,还有一部分通过webpack-dev-server注入的的 HMR runtime代码,作为浏览器和webpack服务器通信的客户端(webpack-hot-middleware
我们需要一个中间件,嵌入到server中(server以koa2为例) npm i —save koa-webpack koa-webpack其中主要依赖两个包webpack-dev-middleware和webpack-hot-middleware , 拆开来使用也可以,配置也都类似 第二步,修改构建配置文件 之前这里是使用server来刷新内容的,这种场景下是去掉了webpack-dev-server插件而使用webpack-hot-middleware 实现 entry: { index: ['react-hot-loader/patch', 'webpack-hot-middleware/client?
本次探索依赖公司前端 Vue 项目开发脚手架配置:Webpack + Webpack-Dev-Middleware + Webpack-Hot-Middleware + Express。 这就是 Webpack-hot-middleware 插件的功劳了。 Webpack-hot-middleware 的 README.md 文档中有这样一段描述: This module is only concerned with the mechanisms to connect Webpack-hot-middleware 插件的作用就是提供浏览器和 Webpack 服务器之间的通信机制、且在浏览器端接收 Webpack 服务器端的更新变化。 下面截取关键部分进行说明: Webpack-hot-middleware/client.js 源码中有这么一段配置,看到这里瞬间想到了在开发时浏览器的 Network 中总是有一个 __Webpack_hmr
keyList.forEach(function (v, i) { if (i === 0) { newEntry[v] = [devConfig.entry[v], 'webpack-hot-middleware /src/pages/${reg[1]}/${reg[2]}/v\_entry`, 'webpack-hot-middleware/client'], `pages/${reg[
compilation,compile,after-emit这类的 var compiler = webpack(webpackConfig) // 下面是webpack-dev-middleware和webpack-hot-middleware friendly-errors-webpack-plugin插件这个必须设置为true,具体看wepback-dev-config.js }) var hotMiddleware = require('webpack-hot-middleware
Webpack 热更新功能 Node 通过中间件 webpack-hot-middleware/middleware.js实现Node端通信,打开 webpack-hot-middleware/client.js
./.nuxt/client.js @ multi webpack-hot-middleware/client?
webpack", "webpack-bundle-analyzer", "webpack-dev-middleware", "webpack-dev-server", "webpack-hot-middleware
依赖安装 我们先来安装一些编写 demo 需要的依赖包,如下: 1"webpack": "^4.28.4", 2"webpack-dev-middleware": "^3.5.0", 3"webpack-hot-middleware 3.5.4", 6"express": "^4.16.4", 7"body-parser": "^1.18.3" 其中,webpack 是打包构建工具,webpack-dev-middleware 和 webpack-hot-middleware ') 19 if (fs.statSync(fullDir).isDirectory() && fs.existsSync(entry)) { 20 entries[dir] = ['webpack-hot-middleware 4const webpackDevMiddleware = require('webpack-dev-middleware') 5const webpackHotMiddleware = require('webpack-hot-middleware
eventsource-polyfill用于扩展Event-Source对象在IE浏览器下的兼容性 require('eventsource-polyfill') var hotClient = require('webpack-hot-middleware Runtime,HRM Runtime收到update通知后,下载更新的模块,通知APP更新,APP收到通知,然后要求HRM Runtime执行模块替换 var hotMiddleware = require('webpack-hot-middleware
eventsource-polyfill 用于扩展 Event-Source 对象在 IE 浏览器下的兼容性 require('eventsource-polyfill') var hotClient = require('webpack-hot-middleware Runtime 收到 update 通知后,下载更新的模块,通知 APP 更新,APP 收到通知,然后要求 HRM Runtime 执行模块替换 var hotMiddleware = require('webpack-hot-middleware
vue-style-loader": "^1.0.0", "webpack": "^1.12.2", "webpack-dev-middleware": "^1.4.0", "webpack-hot-middleware
changeOrigin: true//important 能解决大多数404无法访问的问题 } } }, 复制代码 自定义服务器 npm install --save-dev express webpack-hot-middleware entry: [ require.resolve('webpack-hot-middleware/client') + '? app.use(require("webpack-hot-middleware")(compiler,{ log: false, path: "/__what", heartbeat: 2000
webpack-hot-middleware(https://github.com/webpack-contrib/webpack-hot-middleware):热更新本地开发浏览器服务。
Cookie解析 http-proxy-middleware: HTTP代理 polyfill-service: 垫片服务 webpack-dev-middleware: Webpack本地服务器 webpack-hot-middleware
compiler, { publicPath: webpackConfig.output.publicPath, stats: { colors: true, chunks: false } }) // 启动 webpack-hot-middleware , 也就是我们常说的Hot-reload var hotMiddleware = require('webpack-hot-middleware')(compiler) compiler.plugin(
2. webpack-hot-middleware 这个中间件会在服务里监听静态资源的变更,并生成一个长连接的url入口,而页面在开发环境中会注入这个长连接链接,当页面的静态资源发生变更时,长连接url webpack.github.io/docs/webpack-dev-middleware.html](http://webpack.github.io/docs/webpack-dev-middleware.html) - webpack-hot-middleware : [https://www.npmjs.com/package/webpack-hot-middleware](https://www.npmjs.com/package/webpack-hot-middleware
再就是因为不使用 webpack-dev-server 的前提,使用 webpack-hot-middleware 和 webpack 配合也可以完成模块热更新流程,在使用 webpack-hot-middleware