138 lines
3.7 KiB
JavaScript
138 lines
3.7 KiB
JavaScript
const path = require("path");
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const CompressionPlugin = require("compression-webpack-plugin");
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const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
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const resolve = dir => {
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return path.join(__dirname, dir);
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};
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const configs = require('./src/config')
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/**
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* 在项目开发的时候将生产环境以及开发环境进行判断
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* 将生产环境中的路径用cdn来进行优化处理
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* 将开发环境中替换为本地的内容，方便处理bug以及开启vueDev
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* 我们可以根据环境变量进行相应的处理，只有在产品的时候，才让插件去自动注入相应的资源文件到html页面
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*/
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const enableProduction = process.env.NODE_ENV === "production"; // 是否生产环境
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let externals = {
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vue: "Vue",
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axios: "axios",
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"vue-router": "VueRouter",
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vuex: "Vuex",
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"view-design": "iview",
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"js-cookie": "Cookies"
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};
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// 使用CDN的内容
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let cdn = {
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css: ["https://cdn.pickmall.cn/cdn/iview.css"],
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js: [
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// vue must at first!
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"https://cdn.pickmall.cn/cdn/vue.min.js",
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"https://cdn.pickmall.cn/cdn/vuex.min.js",
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"https://cdn.pickmall.cn/cdn/vue-router.min.js",
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"https://cdn.pickmall.cn/cdn/axios0.19.2.js",
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"https://cdn.pickmall.cn/cdn/iview.min.js",
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"https://cdn.pickmall.cn/cdn/js.cookie.min.js",
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]
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};
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// 删除注释
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let jsPlugin = [
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new UglifyJsPlugin({
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uglifyOptions: {
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// 删除注释
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output: {
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comments: false
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},
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compress: {
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drop_console: true, // 删除所有调式带有console的
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drop_debugger: true,
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pure_funcs: ["console.log"] // 删除console.log
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}
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}
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})
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];
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// 判断是否需要加载CDN
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cdn = enableProduction && configs.enableCDN ? cdn : { css: [], js: [] };
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externals = enableProduction && configs.enableCDN ? externals : {};
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jsPlugin = enableProduction ? jsPlugin : [];
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module.exports = {
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// 输出文件目录，当运行 vue-cli-service build 时生成的生产环境构建文件的目录。注意目标目录在构建之前会被清除
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outputDir: "dist",
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// 放置生成的静态资源 (js、css、img、fonts) 的目录。
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assetsDir: "static",
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css: {
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// 是否为 CSS 开启 source map。设置为 true 之后可能会影响构建的性能。
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sourceMap: false,
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loaderOptions: {
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sass: {
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data: `@import "@/assets/styles/global.scss";` //全局加载scss
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},
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// 向 CSS 相关的 loader 传递选项
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less: {
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lessOptions: {
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javascriptEnabled: true
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}
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}
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}
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},
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devServer: {
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port: configs.port
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},
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// 打包时不生成.map文件 避免看到源码
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productionSourceMap: false,
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// 部署优化
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configureWebpack: {
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performance: {
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maxEntrypointSize: 10000000,
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maxAssetSize: 30000000
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},
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externals,
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// GZIP压缩
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plugins: [
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new CompressionPlugin({
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test: /\.js$|\.html$|\.css/, // 匹配文件
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threshold: 10240 // 对超过10k文件压缩
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})
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],
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optimization: {
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minimizer: jsPlugin,
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runtimeChunk: "single",
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splitChunks: {
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chunks: "all",
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maxInitialRequests: Infinity,
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minSize: 20000,
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cacheGroups: {
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vendor: {
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test: /[\\/]node_modules[\\/]/,
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name(module) {
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const packageName = module.context.match(
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/[\\/]node_modules[\\/](.*?)([\\/]|$)/
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)[1];
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return `npm.${packageName.replace("@", "")}`;
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}
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}
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}
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}
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}
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},
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// 将cdn的资源挂载到插件上
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chainWebpack(config) {
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// @ 对应 src目录
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config.resolve.alias.set("@", resolve("src"));
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config.plugin("html").tap(args => {
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args[0].cdn = cdn;
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args[0].title = configs.title;
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return args;
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});
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}
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};
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