##下面是vue.config文件

"use strict";
const path = require("path");
const envName = process.env.VUE_APP_CURENV;

const CompressionPlugin = require("compression-webpack-plugin");
const BundleAnalyzerPlugin =
require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");

const name = process.env.VUE_APP_TITLE || "TKS-中台系统"; // 网页标题
const port = process.env.port || process.env.npm_config_port || 88; // 端口

function resolve(dir) {
return path.join(__dirname, dir);
}
// vue.config.js 配置说明
//官方vue.config.js 参考文档 https://cli.vuejs.org/zh/config/#css-loaderoptions
// 这里只列一部分，具体配置参考文档
module.exports = {
// 部署生产环境和开发环境下的URL。
// 默认情况下，Vue CLI 会假设你的应用是被部署在一个域名的根路径上
// 例如 https://www.ruoyi.vip/。如果应用被部署在一个子路径上，你就需要用这个选项指定这个子路径。例如，如果你的应用被部署在 https://www.ruoyi.vip/admin/，则设置 baseUrl 为 /admin/。
publicPath: process.env.VUE_APP_CONTEXT_PATH,
// publicPath: './',
// 在npm run build 或 yarn build 时 ，生成文件的目录名称（要和baseUrl的生产环境路径一致）（默认dist）
outputDir: ${envName},
// 用于放置生成的静态资源 (js、css、img、fonts) 的；（项目打包之后，静态资源会放在这个文件夹下）
assetsDir: "static",
// 是否开启eslint保存检测，有效值：ture | false | 'error'
lintOnSave: process.env.NODE_ENV === "development",
// 如果你不需要生产环境的 source map，可以将其设置为 false 以加速生产环境构建。
productionSourceMap: false,
// webpack-dev-server 相关配置
devServer: {
host: "0.0.0.0",
port: port,
open: false,
proxy: {
// detail: https://cli.vuejs.org/config/#devserver-proxy
[process.env.VUE_APP_BASE_API]: {
target: process.env.VUE_APP_IP_PATH,
changeOrigin: true,
// 测试环境不需要 rewrite
// ...(process.env.VUE_APP_CURENV !== "testing"
// ? { pathRewrite: { ["^" + process.env.VUE_APP_BASE_API]: "" } }
// : {}),
},
},
disableHostCheck: true,
},
css: {
loaderOptions: {
sass: {
sassOptions: { outputStyle: "expanded" },
additionalData: (content, loaderContext) => {
const { resourcePath } = loaderContext;
if (resourcePath.endsWith("variables.scss")) return content;
return @import "@/assets/styles/variables.scss"; ${content};
},
},
},

},
configureWebpack: {
name: name,
resolve: {
alias: {
"@": resolve("src"),
},
},
optimization: {
minimizer: [
// 代码压缩
new UglifyJsPlugin({
uglifyOptions: {
compress: {
drop_debugger: true, //生产环境自动删除debugger
drop_console: true, //生产环境自动删除console
},
warnings: false,
},
sourceMap: false, //关掉sourcemap 会生成对于调试的完整的.map文件，但同时也会减慢打包速度
parallel: true, //使用多进程并行运行来提高构建速度。默认并发运行数：os.cpus().length - 1。
}),
],
},
plugins: [
// http://doc.ruoyi.vip/ruoyi-vue/other/faq.html#使用gzip解压缩静态文件
new CompressionPlugin({
cache: false, // 不启用文件缓存
test: /.(js|css|html)?$/i, // 压缩文件格式
filename: "[path].gz[query]", // 压缩后的文件名
algorithm: "gzip", // 使用gzip压缩
minRatio: 0.8, // 压缩率小于1才会压缩
}),
],

// 警告 webpack 的性能提示
performance: {
  hints: "warning",
  // 入口起点的最大体积
  maxEntrypointSize: 50000000,
  // 生成文件的最大体积
  maxAssetSize: 30000000,
  // 只给出 js 文件的性能提示
  assetFilter: function (assetFilename) {
    return assetFilename.endsWith(".js");
  },
},
devtool:"source map"

},
chainWebpack(config) {
config.plugins.delete("preload"); // TODO: need test
config.plugins.delete("prefetch"); // TODO: need test

// set svg-sprite-loader
config.module.rule("svg").exclude.add(resolve("src/assets/icons")).end();
config.module
  .rule("icons")
  .test(/\.svg$/)
  .include.add(resolve("src/assets/icons"))
  .end()
  .use("svg-sprite-loader")
  .loader("svg-sprite-loader")
  .options({
    symbolId: "icon-[name]",
  })
  .end();
config.when(process.env.ANALYZER == "true", (config) => {
  config.plugin("webpack-bundle-analyzer").use(BundleAnalyzerPlugin).end();
});
config.when(process.env.NODE_ENV !== "development", (config) => {
  config
    .plugin("ScriptExtHtmlWebpackPlugin")
    .after("html")
    .use("script-ext-html-webpack-plugin", [
      {
        // `runtime` must same as runtimeChunk name. default is `runtime`
        inline: /runtime\..*\.js$/,
      },
    ])
    .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
        reuseExistingChunk: true,
      },
      echarts: {
        name: "chunk-echarts",
        priority: 15,
        test: /[\\/]node_modules[\\/]_?echarts(.*)/,
        reuseExistingChunk: true,
      },
      elementUI: {
        name: "chunk-elementUI", // split elementUI into a single package
        priority: 19, // the weight needs to be larger than libs and app or it will be packaged into libs or app
        test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
        reuseExistingChunk: true,
      },
      lodash: {
        name: "chunk-lodash",
        priority: 20,
        test: /[\\/]node_modules[\\/]_?lodash(.*)/,
        reuseExistingChunk: true,
      },
      moment: {
        name: "chunk-moment",
        priority: 21,
        test: /[\\/]node_modules[\\/]_?moment(.*)/,
        reuseExistingChunk: true,
      },
      commons: {
        name: "chunk-commons",
        test: resolve("src/components"), // can customize your rules
        minChunks: 3, //  minimum common number
        priority: 22,
        reuseExistingChunk: true,
      },
    },
  });
  config.optimization.runtimeChunk("single"),
    {
      from: path.resolve(__dirname, "./public/robots.txt"), //防爬虫文件
      to: "./", //到根目录下
    };
});

},
};

##vue.config文件结束

加过hotOnly: true,
config.resolve.symlinks(true); 都没效果 能不能帮忙看一下