import { defineConfig, loadEnv } from "vite";
import vue from "@vitejs/plugin-vue";

// 代理目标端口与后端一致（读取 .env 的 PORT，默认 3000）
export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), "");
  const port = parseInt(env.PORT || "3000", 10);
  return {
    plugins: [vue()],
    server: {
      host: true,
      port: 5173,
      proxy: {
        "/api": {
          target: `http://127.0.0.1:${port}`,
          changeOrigin: true,
        },
      },
    },
    build: {
      outDir: "dist",
      base: "./",
    },
  };
});