vue.config.js

'use strict'
const path = require('path')
// const StatsPlugin = require('stats-webpack-plugin');


function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = '3d-visual' // page title
// const name = 'singleDemo' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 8887 npm run dev OR npm run dev --port = 8887
const port = process.env.port || process.env.npm_config_port || 8887 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: '/',
  // publicPath: "//localhost:3000/",
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  // use thread-loader for babel & TS in production build
  // enabled by default if the machine has more than 1 cores
  parallel: require('os').cpus().length > 1,
  // 是否启用dll
  // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#dll-mode
  // dll: false,
  // PWA 插件相关配置
  // see https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
  // pwa: {},
  // 第三方插件配置
  pluginOptions: {},
  // webpack-dev-server 相关配置
  devServer: {
    port: port,
    headers: {
      'Access-Control-Allow-Origin': '*'
    },
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    // proxy: {
    //   // 把key的路径代理到target位置
    //   // detail: https://cli.vuejs.org/config/#devserver-proxy
    //   [process.env.VUE_APP_BASE_API]: { // 需要代理的路径   例如 '/api'
    //     target: `http://127.0.0.1:8889/`, // 代理到 目标路径
    //     changeOrigin: true,
    //     pathRewrite: { // 修改路径数据
    //       // ['^' + process.env.VUE_APP_BASE_API]: '/api' // 举例 '^/api:""' 把路径中的/api字符串删除
    //     }
    //   }
    // }
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      extensions: [".ts", ".tsx", ".js", ".json"],
      alias: {
        '@': resolve('src')
      }
    },
    output: {
        library: '3d-visual',
        libraryTarget: 'umd',
        // jsonpFunction: `webpackJsonp_${name}`,
    },
    // output: {
    //   library: "singleVue",
    //   libraryTarget: "window",
    // },
    // plugins: [
    //   new StatsPlugin('manifest.json', {
    //     chunkModules: false,
    //     entrypoints: true,
    //     source: false,
    //     chunks: false,
    //     modules: false,
    //     assets: false,
    //     children: false,
    //     exclude: [/node_modules/]
    //   }),
    // ]
  },
  chainWebpack(config) {
    // set ts
    config.module
      .rule('ts')
      .test(/\.ts$/)
      .use('ts-loader')
      .loader('ts-loader')
      .end()
    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap((options) => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()
    // set svg-sprite-loader
    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
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', (config) =>
        config.devtool('cheap-source-map')
      )

    config.when(process.env.NODE_ENV !== 'development', (config) => {
      // 不打包 begin
      // 1.目前已经测试通过[vue,axios,echarts]可以cdn引用，其它组件测试通过后可继续添加
      // 2.此处添加不打包后，需在public/index.html head中添加相应cdn资源链接
      config.set('externals', {
        // vue: 'Vue',
        // axios: 'axios',
        // echarts: 'echarts'
      })
      // 不打包 end

      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
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // 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
          },
          three: {
            name: 'chunk-three', // split elementUI into a single package
            priority: 25, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?three(.*)/ // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      })
      config.optimization.runtimeChunk('single')
    })
  },
  css: {
    // 是否使用css分离插件 ExtractTextPlugin
    extract: false,
    // 开启 CSS source maps?
    sourceMap: false,
    // 启用 CSS modules for all css / pre-processor files.
    // modules: false,
    // requireModuleExtension: true,
    loaderOptions: {
      css: {
        // 这里的选项会传递给 css-loader
      },
      postcss: {
        // 这里的选项会传递给 postcss-loader
      },
      less: {
        // modifyVars: {
        //   'primary-color': '#F5222D',
        //   'link-color': '#F5222D',
        //   'border-radius-base': '4px'
        // },
        javascriptEnabled: true
      }
    }
  }
}