zhgkpt-datav/app/vite.config.js

import { fileURLToPath, URL } from "node:url";

import { defineConfig } from "vite";
import { babel } from '@rollup/plugin-babel';
import vue2 from "@vitejs/plugin-vue2";
import vue2Jsx from "@vitejs/plugin-vue2-jsx";
import legacy from "@vitejs/plugin-legacy";
// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    vue2(),
    vue2Jsx(),
    legacy({
        targets: ["ie >= 11"],
        additionalLegacyPolyfills: ["regenerator-runtime/runtime"],
    }),
  ],
  resolve: {
    alias: {
      "@": fileURLToPath(new URL("./src", import.meta.url)),
    },
  },
  server: {
    // 是否开启 https
    https: false,
    // 端口号
    // port: 3000,
    // 监听所有地址
    host: "0.0.0.0",
    // 服务启动时是否自动打开浏览器
    open: true,
    // 允许跨域
    cors: true,
    // 自定义代理规则
    proxy: {
      "/camera-api": {
        target: "https://ycjk.cq119.gov.cn",
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/camera-api/, ""),
      }
    },
  },
  build: {
    // 构建后是否生成 source map 文件
    sourcemap: false,
    //  chunk 大小警告的限制（以 kbs 为单位）
    chunkSizeWarningLimit: 2000,
    // 启用/禁用 gzip 压缩大小报告
    reportCompressedSize: false,
    cssTarget: 'chrome70',
    target: 'es2015',
    rollupOptions: {
      plugins: [
         // https://www.npmjs.com/package/@rollup/plugin-babel
        babel({
          babelHelpers: 'bundled',
          presets: [
            [
              '@babel/preset-env',
              {
                useBuiltIns: 'entry', // 注意这里只能使用 entry
                corejs: '3',
                targets: 'last 2 versions and not dead, > 0.2%, Firefox ESR',
              },
            ],
          ],
          plugins: [],
          compact: false,
        })
      ]
    }
  },
});