vue.config.js

'use strict'
const { defineConfig } = require('@vue/cli-service') // 你也可以使用 @vue/cli-service 提供的 defineConfig 帮手函数，以获得更好的类型提示
const webpack = require('webpack')
const path = require('path')

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

const port = process.env.PORT || 8888 // 端口

// All configuration item explanations can be find in https://cli.vuejs.org/config/
// 你也可以使用 @vue/cli-service 提供的 defineConfig 帮手函数，以获得更好的类型提示
module.exports = defineConfig({
  /**
   * 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: './',
  outputDir: 'dist',
  assetsDir: 'static',
  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: true,
    proxy: {
      [process.env.VUE_APP_BASE_API]: {
        target: process.env.VUE_APP_PROXY_API,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: '/',
        },
      },
    },
    allowedHosts: 'all',
    // 客户端配置
    client: {
      overlay: {
        warnings: false,
        errors: true,
      },
    },
  },
  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.
    resolve: {
      alias: {
        '@': resolve('src'),
      },
    },
    plugins: [
      new webpack.ProvidePlugin({
        'window.Quill': 'quill/dist/quill.js',
        Quill: 'quill/dist/quill.js',
      }),
    ],
  },
  chainWebpack(config) {
    // it can improve the speed of the first screen, it is recommended to turn on preload
    // 通过 preload 预加载关键资源，让浏览器提前下载首屏所需的核心文件（如主 JS、CSS），减少用户等待时间
    // config.plugin('preload-pc').tap(() => [
    //   {
    //     rel: 'preload', // 预加载类型
    //     // to ignore runtime.js （// 排除不需要预加载的文件）
    //     // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
    //     fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
    //     include: 'initial', // 仅预加载"初始块"（首屏关键资源）
    //   },
    // ])

    config.plugins.delete('preload')

    // config.plugin('provide').use(webpack.ProvidePlugin, [{
    //   'window.Quill': 'quill/dist/quill.js',
    //   'Quill': 'quill/dist/quill.js'
    // }])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch')

    // 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.when(process.env.NODE_ENV !== 'development', (config) => {
      // 移除 script-ext-html-webpack-plugin（不兼容 Webpack 5）
      // 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
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true,
          },
        },
      })
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk('single')
    })
  },
})