首先介绍一款插件script-ext-html-webpack-plugin
可以动态插入script标签到HTML模板文件中，帮助开发者更好地控制脚本的加载和执行顺序，从而提高页面性能和用户体验。此外，该插件还允许开发者将JavaScript文件分为不同的块(chunk)并在HTML文件中按需引入，以加快页面的加载速度。它允许指定哪些JS文件是内联的，哪些是外部引用的

vue.config.js

chainWebpack(config) {// it can improve the speed of the first screen, it is recommended to turn on preload// it can improve the speed of the first screen, it is recommended to turn on preloadconfig.plugin('preload').tap(() => [{rel: 'preload',// to ignore runtime.js// https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],include: 'initial'}])config.resolve.alias.set('@', resolve('src')).set('vue', resolve('./node_modules/vue'))config.plugin('provide').use(webpack.ProvidePlugin, [{'window.Quill': 'quill/dist/quill.js','Quill': 'quill/dist/quill.js'}])// when there are many pages, it will cause too many meaningless requestsconfig.plugins.delete('prefetch')// set svg-sprite-loaderconfig.module.rule('svg').exclude.add(resolve('src/icons')).end()config.module.rule('icons').test(/\.svg$/).include.add(resolve('src/icons')).end().use('svg-sprite-loader').loader('svg-sprite-loader').options({symbolId: 'icon-[name]'}).end()config.when(['development', 'production'].includes(process.env.NODE_ENV),config => {config.plugin('ScriptExtHtmlWebpackPlugin').after('html').use('script-ext-html-webpack-plugin', [{// `runtime` must same as runtimeChunk name. default is `runtime`inline: /runtime\..*\.js$/}]).end()config.optimization.splitChunks({chunks: 'all',cacheGroups: {libs: {name: 'chunk-libs',test: /[\\/]node_modules[\\/]/,priority: 10,chunks: 'initial' // only package third parties that are initially dependent},elementUI: {name: 'chunk-elementUI', // split elementUI into a single packagepriority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or apptest: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm},commons: {name: 'chunk-commons',test: resolve('src/components'), // can customize your rulesminChunks: 3, //  minimum Common numberpriority: 5,reuseExistingChunk: true}}})// https:// webpack.js.org/configuration/optimization/#optimizationruntimechunkconfig.optimization.runtimeChunk('single')})}