vue.config.js

module.exports = {
  baseUrl: process.env.NODE_ENV === "production" ? "//your_url" : "/",

  outputDir: "dist",

  assetsDir: "static",

  filenameHashing: true,

  // When building in multi-pages mode, the webpack config will contain different plugins
  // (there will be multiple instances of html-webpack-plugin and preload-webpack-plugin).
  // Make sure to run vue inspect if you are trying to modify the options for those plugins.
  pages: {
    index: {
      // entry for the pages
      entry: "src/pages/index/index.js",
      // the source template
      template: "src/pages/index/index.html",
      // output as dist/index.html
      filename: "index.html",
      // when using title option,
      // template title tag needs to be <title><%= htmlWebpackPlugin.options.title %></title>
      title: "首页",
      // chunks to include on this pages, by default includes
      // extracted common chunks and vendor chunks.
      chunks: ["chunk-vendors", "chunk-common", "index"]
    }
    // when using the entry-only string format,
    // template is inferred to be `public/subpage.html`
    // and falls back to `public/index.html` if not found.
    // Output filename is inferred to be `subpage.html`.
    // subpage: ''
  },

  // eslint-loader 是否在保存的时候检查
  lintOnSave: true,

  // 是否使用包含运行时编译器的Vue核心的构建
  runtimeCompiler: false,

  // 默认情况下 babel-loader 忽略其中的所有文件 node_modules
  transpileDependencies: [],

  // 生产环境 sourceMap
  productionSourceMap: false,

  // cors 相关 https://jakearchibald.com/2017/es-modules-in-browsers/#always-cors
  // corsUseCredentials: false,
  // webpack 配置，键值对象时会合并配置，为方法时会改写配置
  // https://cli.vuejs.org/guide/webpack.html#simple-configuration

  // configureWebpack: config => {
  //   // add here
  // },

  // webpack 链接 API，用于生成和修改 webapck 配置
  // https://github.com/mozilla-neutrino/webpack-chain
  chainWebpack: config => {
    // 因为是多页面，所以取消 chunks，每个页面只对应一个单独的 JS / CSS
    config.optimization.splitChunks({
      cacheGroups: {}
    });

    // 'src/lib' 目录下为外部库文件，不参与 eslint 检测
    config.module
      .rule("eslint")
      .exclude.add("/Users/maybexia/Downloads/FE/community_built-in/src/lib")
      .end();
  },

  // 配置高于chainWebpack中关于 css loader 的配置
  css: {
    // 是否开启支持 foo.module.css 样式
    modules: false,

    // 是否使用 css 分离插件 ExtractTextPlugin，采用独立样式文件载入，不采用 <style> 方式内联至 html 文件中
    extract: true,

    // 是否构建样式地图，false 将提高构建速度
    sourceMap: false,

    // css预设器配置项
    loaderOptions: {
      css: {
        // options here will be passed to css-loader
      },

      postcss: {
        // options here will be passed to postcss-loader
      }
    }
  },

  // All options for webpack-dev-server are supported
  // https://webpack.js.org/configuration/dev-server/
  devServer: {
    open: true,

    host: "127.0.0.1",

    port: 3000,

    https: false,

    hotOnly: false,

    proxy: null

    //  before: app => {}
  },
  // 构建时开启多进程处理 babel 编译
  parallel: require("os").cpus().length > 1,

  // https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
  pwa: {},

  // 第三方插件配置
  pluginOptions: {}
};