jyj_frontend/vite.config.ts

import { UserConfig, ConfigEnv, loadEnv, defineConfig } from 'vite';
import legacy from '@vitejs/plugin-legacy';

import createPlugins from './vite/plugins';
import { babel } from '@rollup/plugin-babel';

import path from 'path';
export default defineConfig(({ mode, command }: ConfigEnv): UserConfig => {
  const env = loadEnv(mode, process.cwd());
  return {
    // 部署生产环境和开发环境下的URL。
    // 默认情况下，vite 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/。
    base: env.VITE_APP_CONTEXT_PATH,
    resolve: {
      alias: {
        '~': path.resolve(__dirname, './'),
        '@': path.resolve(__dirname, './src')
      },
      extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']
    },
    // https://cn.vitejs.dev/config/#resolve-extensions
    plugins: [
      createPlugins(env, command === 'build'),
      babel({
        babelHelpers: 'runtime',
        exclude: 'node_modules/**',
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
        presets: [
          ['@babel/preset-env', {
            targets: {
              browsers: [
                'IE 11',
                'Safari 9',
                'Chrome 49',
                'Firefox 52',
                'Edge 17'
              ]
            },
            useBuiltIns: 'usage',
            corejs: { version: 3, proposals: true }
          }],
        ],
        plugins: [
          '@babel/plugin-transform-regenerator',
          ['@babel/plugin-transform-runtime', {
            corejs: 3,
            helpers: true,
            regenerator: true
          }],
          '@babel/plugin-proposal-optional-chaining',
          '@babel/plugin-proposal-nullish-coalescing-operator'
        ]
      }),
        // legacy({
        //   targets: [
        //     'ie >= 11',
        //     'safari >= 9',
        //     'chrome >= 49',
        //     'firefox >= 52',
        //     'edge >= 17'
        //   ]
        // })
    ],
    server: {
      host: '0.0.0.0',
      port: Number(env.VITE_APP_PORT),
      open: true,
      proxy: {
        [env.VITE_APP_BASE_API]: {
          target: 'http://localhost:8080',
          changeOrigin: true,
          ws: true,
          rewrite: (path) => {
            if (path.startsWith(env.VITE_APP_BASE_API)) {
              return path.substring(env.VITE_APP_BASE_API.length);
            }
            return path;
          }
        }
      }
    },
    css: {
      preprocessorOptions: {
        scss: {
          javascriptEnabled: true
        }
      },
      postcss: {
        plugins: [
          {
            postcssPlugin: 'internal:charset-removal',
            AtRule: {
              charset: (atRule) => {
                if (atRule.name === 'charset') {
                  atRule.remove();
                }
              }
            },
          }
        ]
      }
    },
    // 预编译
    optimizeDeps: {
      include: [
        'vue',
        'vue-router',
        'pinia',
        'axios',
        '@vueuse/core',
        'echarts',
        'vue-i18n',
        '@vueup/vue-quill',
        'bpmn-js/lib/Viewer',
        'bpmn-js/lib/Modeler.js',
        'bpmn-js-properties-panel',
        'min-dash',
        'diagram-js/lib/navigation/movecanvas',
        'diagram-js/lib/navigation/zoomscroll',
        'bpmn-js/lib/features/palette/PaletteProvider',
        'bpmn-js/lib/features/context-pad/ContextPadProvider',
        'diagram-js/lib/draw/BaseRenderer',
        'tiny-svg',
        'image-conversion',

        'element-plus/es/components/text/style/css',
        'element-plus/es/components/collapse-item/style/css',
        'element-plus/es/components/collapse/style/css',
        'element-plus/es/components/space/style/css',
        'element-plus/es/components/container/style/css',
        'element-plus/es/components/aside/style/css',
        'element-plus/es/components/main/style/css',
        'element-plus/es/components/header/style/css',
        'element-plus/es/components/button-group/style/css',
        'element-plus/es/components/radio-button/style/css',
        'element-plus/es/components/checkbox-group/style/css',
        'element-plus/es/components/form/style/css',
        'element-plus/es/components/form-item/style/css',
        'element-plus/es/components/button/style/css',
        'element-plus/es/components/input/style/css',
        'element-plus/es/components/input-number/style/css',
        'element-plus/es/components/switch/style/css',
        'element-plus/es/components/upload/style/css',
        'element-plus/es/components/menu/style/css',
        'element-plus/es/components/col/style/css',
        'element-plus/es/components/icon/style/css',
        'element-plus/es/components/row/style/css',
        'element-plus/es/components/tag/style/css',
        'element-plus/es/components/dialog/style/css',
        'element-plus/es/components/loading/style/css',
        'element-plus/es/components/radio/style/css',
        'element-plus/es/components/radio-group/style/css',
        'element-plus/es/components/popover/style/css',
        'element-plus/es/components/scrollbar/style/css',
        'element-plus/es/components/tooltip/style/css',
        'element-plus/es/components/dropdown/style/css',
        'element-plus/es/components/dropdown-menu/style/css',
        'element-plus/es/components/dropdown-item/style/css',
        'element-plus/es/components/sub-menu/style/css',
        'element-plus/es/components/menu-item/style/css',
        'element-plus/es/components/divider/style/css',
        'element-plus/es/components/card/style/css',
        'element-plus/es/components/link/style/css',
        'element-plus/es/components/breadcrumb/style/css',
        'element-plus/es/components/breadcrumb-item/style/css',
        'element-plus/es/components/table/style/css',
        'element-plus/es/components/tree-select/style/css',
        'element-plus/es/components/table-column/style/css',
        'element-plus/es/components/select/style/css',
        'element-plus/es/components/option/style/css',
        'element-plus/es/components/pagination/style/css',
        'element-plus/es/components/tree/style/css',
        'element-plus/es/components/alert/style/css',
        'element-plus/es/components/checkbox/style/css',
        'element-plus/es/components/date-picker/style/css',
        'element-plus/es/components/transfer/style/css',
        'element-plus/es/components/tabs/style/css',
        'element-plus/es/components/image/style/css',
        'element-plus/es/components/tab-pane/style/css'
      ],
      exclude: ['highlight.js']
    },
    build: {
      target: 'es2015',
      cssTarget: 'chrome49', // 为CSS添加必要的前缀以支持旧浏览器
      minify: 'terser',
      terserOptions: {
        compress: {
          drop_console: true,
          drop_debugger: true
        }
      }
    }
  };
});