打包优化
- webpack 优化
- 1、依赖转化,兼容低版本浏览器
- 2、生产环境关闭sourceMap
- 3、打包输出目录名称修改和静态资源的存放
- 4、修改图标
- 5、修改webpack配置
- 5-1、写在此处的配置可以覆盖掉脚手架本来就预设上有的配置
- 5-2、写在此处的都是预设没有配置的,脚手架本来就有的配置是不会覆盖的
- 6、完整配置
- vite 优化
webpack 优化
1、依赖转化,兼容低版本浏览器
transpileDependencies: true,
2、生产环境关闭sourceMap
productionSourceMap: false,
3、打包输出目录名称修改和静态资源的存放
outputDir: 'bundle',
assetsDir: 'static',
4、修改图标
pwa: {iconPaths: {favicon32: 'favicon.ico',favicon16: 'favicon.ico',appleTouchIcon: 'favicon.ico',maskIcon: 'favicon.ico',msTileImage: 'favicon.ico',}
}
5、修改webpack配置
5-1、写在此处的配置可以覆盖掉脚手架本来就预设上有的配置
chainWebpack: config => {config.optimization.minimizer('terser').tap(args => {args.forEach(item => {if (item.hasOwnProperty('terserOptions')) {Object.assign(item['terserOptions'].compress, {drop_debugger: true,drop_console: true,pure_funcs: ['console.log']})}item['terserOptions']['format'] = {comments: false}})return args})if (process.env.NODE_ENV === "production") {config.plugin('CompressionPlugin').use(new CompressionWebpackPlugin({test: /\.(js|css|less|scss|html)$/, threshold: 10240, deleteOriginalAssets: false, minRatio: 0.8, algorithm: 'gzip'}))}
}
5-2、写在此处的都是预设没有配置的,脚手架本来就有的配置是不会覆盖的
configureWebpack: {optimization: {splitChunks: {chunks: "all",cacheGroups: {elementUI: {name: "element-chunk-vendors",test: /[\\/]node_modules[\\/]_?element-ui(.*)/,priority: 30,},vue: {name: "vue-chunk-vendors",test: /[\\/]node_modules[\\/]vue(.*)[\\/]/,chunks: "initial",priority: 20,reuseExistingChunk: true,},vueRouter: {name: "vueRouter-chunk-vendors",test: /[\\/]node_modules[\\/]vue-router(.*)[\\/]/,chunks: "initial",priority: 19,},vuex: {name: "vuex-chunk-vendors",test: /[\\/]node_modules[\\/]vuex(.*)[\\/]/,chunks: "initial",priority: 18,},echarts: {name: "echarts-chunk-vendors",test: /[\\/]node_modules[\\/]echarts(.*)[\\/]/,chunks: "initial",priority: 17,},libs: {name: "chunk-libs-vendors",test: /[\\/]node_modules[\\/]/,priority: 1, chunks: "initial",},default: {test: /[\\/]src(.*)[\\/]/,name: "common-chunk",minSize: 20000, minChunks: 2, priority: -10,reuseExistingChunk: true}}}},resolve: {alias: {"#": path.resolve(__dirname, "src")}},plugins: [new BundleAnalyzer({analyzerMode: 'server',analyzerHost: '127.0.0.1',analyzerPort: 8088,reportFilename: 'report.html',defaultSizes: 'parsed',openAnalyzer: true,generateStatsFile: false,statsFilename: 'state.json',statsOptions: null,logLevel: 'info'})]
}
6、完整配置
const path = require("path")
const { defineConfig } = require('@vue/cli-service')
const CompressionWebpackPlugin = require('compression-webpack-plugin')
const BundleAnalyzer = require('webpack-bundle-analyzer').BundleAnalyzerPluginmodule.exports = defineConfig({transpileDependencies: true,productionSourceMap: false,outputDir: 'bundle', assetsDir: 'static', pwa: {iconPaths: {favicon32: 'favicon.ico',favicon16: 'favicon.ico',appleTouchIcon: 'favicon.ico',maskIcon: 'favicon.ico',msTileImage: 'favicon.ico',}},chainWebpack: config => {config.optimization.minimizer('terser').tap(args => {args.forEach(item => {if (item.hasOwnProperty('terserOptions')) {Object.assign(item['terserOptions'].compress, {drop_debugger: true,drop_console: true,pure_funcs: ['console.log']})}item['terserOptions']['format'] = {comments: false}})return args})if (process.env.NODE_ENV === "production") {config.plugin('CompressionPlugin').use(new CompressionWebpackPlugin({test: /\.(js|css|less|scss|html)$/, threshold: 10240, deleteOriginalAssets: false, minRatio: 0.8, algorithm: 'gzip'}))}},configureWebpack: {optimization: {splitChunks: {chunks: "all",cacheGroups: {elementUI: {name: "element-chunk-vendors",test: /[\\/]node_modules[\\/]_?element-ui(.*)/,priority: 30,},vue: {name: "vue-chunk-vendors",test: /[\\/]node_modules[\\/]vue(.*)[\\/]/,chunks: "initial",priority: 20,reuseExistingChunk: true,},vueRouter: {name: "vueRouter-chunk-vendors",test: /[\\/]node_modules[\\/]vue-router(.*)[\\/]/,chunks: "initial",priority: 19,},vuex: {name: "vuex-chunk-vendors",test: /[\\/]node_modules[\\/]vuex(.*)[\\/]/,chunks: "initial",priority: 18,},echarts: {name: "echarts-chunk-vendors",test: /[\\/]node_modules[\\/]echarts(.*)[\\/]/,chunks: "initial",priority: 17,},libs: {name: "chunk-libs-vendors",test: /[\\/]node_modules[\\/]/,priority: 1, chunks: "initial",},default: {test: /[\\/]src(.*)[\\/]/,name: "common-chunk",minSize: 20000, minChunks: 2, priority: -10,reuseExistingChunk: true}}}},resolve: {alias: {"#": path.resolve(__dirname, "src")}},plugins: [new BundleAnalyzer({analyzerMode: 'server',analyzerHost: '127.0.0.1',analyzerPort: 8088,reportFilename: 'report.html',defaultSizes: 'parsed',openAnalyzer: true,generateStatsFile: false,statsFilename: 'state.json',statsOptions: null,logLevel: 'info'})]}
})"build": "vue-cli-service build","build:analyze": "cross-env NODE_ENV=production npm_config_report=true vue-cli-service build"
vite 优化