vite.config.ts

import { defineConfig } from "vite";
import vue from "@vitejs/plugin-vue";
import Components from "unplugin-vue-components/vite";
import legacy from '@vitejs/plugin-legacy'
import { VantResolver } from "unplugin-vue-components/resolvers";
import path from "path";
// https://vitejs.dev/config/
export default defineConfig({
  base:'./',
  plugins: [
    vue(),
    Components({
      resolvers: [VantResolver()],
    }),
    legacy({
      targets : [ 'defaults' ,  'not IE 11' ] ,
    })
  ],

  resolve: {
    alias: {
      "@": path.resolve(__dirname, "src"),
    },
  },
  css: {
    /* CSS 预处理器 */
    preprocessorOptions: {
      scss: {
        additionalData: "",
      },
    },
  },
  envDir: "env",
  server: {
    port: 5173,
    proxy: {
      "/api": {
        target: "http://localhost:3000/",
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api/, ""),
      },
    },
  },
});