"use strict"; const path = require("path"); const defaultSettings = require("./src/settings.js"); function resolve(dir) { return path.join(__dirname, dir); } const name = defaultSettings.title || "vue Element Admin"; //页面标题 //如果端口设置为80, //使用管理员权限执行命令行。 //例如,Mac:sudo npm run //您可以通过以下方法更改端口: //端口=9527 npm运行开发或npm运行开发--端口=9527 const port = process.env.port || process.env.npm_config_port || 9528; // 开发端口 // dev portal配置项说明可在中找到https://cli.vuejs.org/config/ module.exports = { assetsDir: 'static', lintOnSave: false, productionSourceMap: false, //开启运行时编译模式 runtimeCompiler: true, devServer: { port: port, open: true, overlay: { warnings: false, errors: true }, }, configureWebpack: { name: name, resolve: { alias: { "@": resolve("src") } } }, chainWebpack(config) { config.plugin("preload").tap(() => [{ rel: "preload", fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/], include: "initial" }]); config.plugins.delete("prefetch"); // 设置svg精灵加载程序 config.module .rule("svg") .exclude.add(resolve("src/icons")) .end(); config.module .rule("icons") .test(/\.svg$/) .include.add(resolve("src/icons")) .end() .use("svg-sprite-loader") .loader("svg-sprite-loader") .options({ symbolId: "icon-[name]" }) .end(); config.when(process.env.NODE_ENV !== "development", config => { config .plugin("ScriptExtHtmlWebpackPlugin") .after("html") .use("script-ext-html-webpack-plugin", [{ // `runtime`必须与runtimeChunk名称相同。默认值为“运行时”` inline: /runtime\..*\.js$/ }]) .end(); config.optimization.splitChunks({ chunks: "all", cacheGroups: { libs: { name: "chunk-libs", test: /[\\/]node_modules[\\/]/, priority: 10, chunks: "initial" //仅限于最初依赖的第三方 }, elementUI: { name: "chunk-elementUI", //将elementUI拆分为单个包 priority: 20, // 重量需要大于libs和app,否则将打包到libs或app中 test: /[\\/]node_modules[\\/]_?element-ui(.*)/ //为了适应cnpm }, commons: { name: "chunk-commons", test: resolve("src/components"), // 您可以自定义您的规则 minChunks: 3, // 最小公共数 priority: 5, reuseExistingChunk: true } } }); config.optimization.runtimeChunk("single"); }); }, css: { loaderOptions: { sass: { prependData: '\n @import "@/styles/variables.scss";\n ' } } }, publicPath: './' };