首先了解一下为什么需要手动搭建,其实我们在搭建普通的react脚手架以及ts-react脚手架的时候,按照react以及ts官网搭建,基本上只需要敲命令而已。但是也有一个问题,在react15版本之后,start以及build的关于webpack的配置,都在node_modual里面。直接使用当然没有问题,但关键是,你得知道webpack的配置究竟都是些什么,这就是另外一回事了。所以,这里主要是我面对我们工作业务的时候,搭建的react脚手架
1.创建一个初始项目
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   | mkdir my-project
  cd my-project
  npm init
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2.安装一些需要的依赖包
安装React框架以及Antd
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   | npm install react react-dom antd --save
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安装 React 类型库 (帮助 Typescript 识别 React 库中定义的类型)
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   |  npm install @types/react @types/react-dom --save-dev
 
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安装 Typescript 和 ts-loader
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   |  npm install typescript ts-loader --save-dev
 
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安装 Webpack
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   |  npm install webpack webpack-cli webpack-dev-server webpack-merge --save-dev
 
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安装 Webpack 插件
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   | npm install source-map-loader html-webpack-plugin clean-webpack-plugin uglifyjs-webpack-plugin cross-env --save-dev
 
 
 
 
  可以生成创建html入口文件,比如单页面可以生成一个html文件入口,配置N个html-webpack-plugin可以生成N个页面入口
 
 
 
 
 
 
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3.配置 webpack
定义配置中所需要用到的文件路径./config/paths.js
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   | const path = require('path') const fs = require('fs')
  const appDirectory = fs.realpathSync(process.cwd()) const resolveApp = relativePath => path.resolve(appDirectory, relativePath)
  module.exports = {   appBuild: resolveApp('build'),   appPublic: resolveApp('public'),   appIndex: resolveApp('src/index.tsx'),   appHtml: resolveApp('public/index.html'), }
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定义公用的 webpack 配置
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   | 在此目录建立./config/webpack/webpack.config.common.js
  const HtmlWebpackPlugin = require('html-webpack-plugin')
  const paths = require('../paths')
  module.exports = {   resolve: {     extensions: ['.tsx', '.ts', '.js', '.json']   },   devtool: 'source-map',   module: {     rules: [       {         enforce: "pre",         test: /\.js$/,         loader: "source-map-loader"       },       {         test: /\.(ts|tsx)$/,         loader: "ts-loader",       },     ],   },   plugins: [   <!--创建一个在内存中生成的html插件-->     new HtmlWebpackPlugin({       title: 'React + Typescript Project',            template: paths.appHtml,       inject: false,     }),   ], }
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定义 development 环境 webpack 配置./config/webpack/webpack.config.dev.js
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   | const webpack = require('webpack') const merge = require('webpack-merge')
  const paths = require('../paths') const commonConfig = require('./webpack.config.common')
  module.exports = merge.smart(commonConfig, {   mode: 'development',   entry: paths.appIndex,   output: {     filename: 'static/js/[name]-bundle-[hash:8].js',   },   plugins: [     new webpack.HotModuleReplacementPlugin(),     new webpack.NamedModulesPlugin()   ],   devServer: {          historyApiFallback: true,          disableHostCheck: true,     host: '0.0.0.0',     port: '8000',     inline: true,     hot: true,          proxy: {       '/api': {                  target: 'http://backend.api.host',                  changeOrigin: true,       }     }   } })
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定义 production 环境 webpack 配置./config/webpack/webpack.config.prod.js
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   | const merge = require('webpack-merge') const CleanWebpackPlugin = require('clean-webpack-plugin') const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
  const paths = require('../paths') const commonConfig = require('./webpack.config.common')
  module.exports = merge.smart(commonConfig, {   mode: 'production',   entry: paths.appIndex,   output: {     path: paths.appBuild,     filename: 'static/js/[name]-[hash:8].js',   },   optimization: {     minimizer: [              new UglifyJsPlugin({         cache: true,         parallel: true,         sourceMap: true       }),     ],     splitChunks: {              chunks: 'all',     },   },   plugins: [          new CleanWebpackPlugin([paths.appBuild], {       root: process.cwd()     }),   ], })
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4.配置 tsconfig
./tsconfig.json
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   | {   "compilerOptions": {     "allowSyntheticDefaultImports": true,      "jsx": "react",     "lib": ["es6", "dom"],     "module": "esnext",     "moduleResolution": "node",     "noImplicitAny": true,     "rootDir": "src",     "sourceMap": true,     "strict": true,     "target": "es5"   },   "exclude": [     "node_modules",     "build"   ] }
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allowSyntheticDefaultImports: 允许合成默认导出
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   | import * as React from 'react' => import React from 'react'
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5.创建入口文件
./public/index.html
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   | <!DOCTYPE html> <html lang="en">   <head>     <meta charset="utf-8">     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">     <title><%= htmlWebpackPlugin.options.title %></title>     <% for (let css in htmlWebpackPlugin.files.css) { %>       <link href="/<%=htmlWebpackPlugin.files.css[css] %>" rel="stylesheet">     <% } %>   </head>   <body>     <noscript>       You need to enable JavaScript to run this app.     </noscript>     <div id="root"></div>     <% for (let chunk in htmlWebpackPlugin.files.chunks) { %>       <script type="text/javascript" src="/<%=htmlWebpackPlugin.files.chunks[chunk].entry %>"></script>     <% } %>   </body> </html>
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./src/index.tsx
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   | import React from 'react' import ReactDOM from 'react-dom'
  ReactDOM.render(   <div>Hello React</div>,   document.getElementById('root'), )
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6.配置 package 启动脚本
./package.json
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   | {   ...,   "scripts": {     "start": "cross-env NODE_ENV=development webpack-dev-server --open --colors --config config/webpack/webpack.config.dev.js",     "build": "cross-env NODE_ENV=production webpack --progress --colors --config config/webpack/webpack.config.prod.js"   },   ... }
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7.验收成果
运行下面的命令,就可以在浏览器里看到 “Hello React” 欢迎页啦。
8.使用npm-build
由于clean-webpack-plugin已经升级的关系,所有配置方面我们需要修改一下,打开webpack.config.prod.js
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   | plugins: [          new CleanWebpackPlugin([paths.appBuild], {        root: process.cwd()     })   ]   改为  plugins: [     new HtmlWebpackPlugin()  ]
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9.打包