create-react-app集成webpack-bundle

1 安装webpack-bundle-analyzer
命令 yarn add webpack-bundle-analyzer
2 配置webpack.config.dev.js

const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
 module.exports = {
  plugins: [
    new BundleAnalyzerPlugin()
  ]
 }

3 package.json 配置

  "analyz": "set NODE_ENV=production npm_config_report=true npm run start"

需要注意“配置时 前面要加的set 否则会报错”
4 执行yarn start 启动项目 会自动访问http://127.0.0.1:8888
查看到打包详情

image.png