vue.config.js完整代码如下:
'use strict'; // Template version: 1.3.1 // see http://vuejs-templates.github.io/webpack for documentation. const path = require('path'); const resolve = (dir) => path.resolve(__dirname, dir); // 是否为生产环境 const isProduction = process.env.NODE_ENV !== 'development'; // gzip压缩 const CompressionWebpackPlugin = require('compression-webpack-plugin'); const cdn = { // 忽略打包的第三方库 externals: { vue: 'Vue', vuex: 'Vuex', 'vue-router': 'VueRouter', axios: 'axios', }, // 通过cdn方式使用 js: [ 'https://cdn.bootcss.com/vue/2.6.11/vue.runtime.min.js', 'https://cdn.bootcss.com/vue-router/3.1.2/vue-router.min.js', 'https://cdn.bootcss.com/vuex/3.1.2/vuex.min.js', 'https://cdn.bootcss.com/axios/0.19.2/axios.min.js', 'https://cdn.bootcss.com/moment.js/2.24.0/moment.min.js', 'https://cdn.bootcss.com/echarts/4.6.0/echarts.min.js', ], css: [], }; module.exports = { publicPath: '/', // 基本路径 outputDir: 'dist', // 输出文件目录 assetsDir: 'static', indexPath: 'index.html', productionSourceMap: false, // 关闭生产环境的 source map chainWebpack: (config) => { config.module .rule('swf') .test(/.swf$/) .use('url-loader') .loader('url-loader') .tap((options) => { return { limit: 10000, }; }); // 添加别名 config.resolve.alias .set('@', resolve('src')) .set('assets', resolve('src/assets')) .set('components', resolve('src/components')) .set('router', resolve('src/router')) .set('store', resolve('src/store')) .set('views', resolve('src/views')); config.plugin('copy').tap((args) => { args[0][0].to = 'resource'; return args; }); // 移除 prefetch 插件 config.plugins.delete('prefetch-index'); // 移除 preload 插件,避免加载多余的资源 config.plugins.delete('preload-index'); // 配置cdn引入 config.plugin('html').tap((args) => { args[0].cdn = cdn; return args; }); }, // 这个值是一个对象,则会通过 webpack-merge 合并到最终的配置中。 configureWebpack: (config) => { // 忽略打包配置 config.externals = cdn.externals; // 生产环境相关配置 if (isProduction) { //gzip压缩 const productionGzipExtensions = ['html', 'js', 'css']; config.plugins.push( new CompressionWebpackPlugin({ filename: '[path].gz[query]', algorithm: 'gzip', test: new RegExp('\.(' + productionGzipExtensions.join('|') + ')$'), threshold: 10240, // 只有大小大于该值的资源会被处理 10240 minRatio: 0.8, // 只有压缩率小于这个值的资源才会被处理 deleteOriginalAssets: false, // 删除原文件 }) ); // 公共代码抽离 config.optimization = { // 分割代码块 splitChunks: { cacheGroups: { //公用模块抽离 common: { chunks: 'initial', minSize: 0, //大于0个字节 minChunks: 2, //抽离公共代码时,这个代码块最小被引用的次数 }, //第三方库抽离 vendor: { priority: 1, //权重 test: /node_modules/, chunks: 'initial', minSize: 0, //大于0个字节 minChunks: 2, //在分割之前,这个代码块最小应该被引用的次数 }, }, }, }; } }, devServer: { overlay: { warnings: false, errors: false, }, open: true, // host: 'localhost', host: '0.0.0.0', port: 8081, https: false, hotOnly: true, proxy: { '/api': { // 代理地址 target: process.env.VUE_APP_API, changeOrigin: true, // 是否跨域 secure: false, pathRewrite: { '^/api': '/api/ctrl', //测试环境 // '/api': '', //需要rewrite重写的, //本地联调 }, }, }, }, css: { extract: true, sourceMap: false, loaderOptions: { sass: { prependData: `@import "~@/assets/scss/variables.scss";`, }, }, }, };
index.html页面引入cdn文件:
<% for (var i in htmlWebpackPlugin.options.cdn && htmlWebpackPlugin.options.cdn.js) { %> <script src="<%= htmlWebpackPlugin.options.cdn.js[i] %>" crossorigin="anonymous" ></script> <% } %>