import { defineConfig, loadEnv } from 'vite';
import path from 'path';
import Components from '@uni-helper/vite-plugin-uni-components';
import { WotResolver } from '@uni-helper/vite-plugin-uni-components/resolvers';
import uni from '@dcloudio/vite-plugin-uni';

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, path.join(process.cwd(), 'env'));
  return {
    envDir: './env',// 环境目录
    css: {
      preprocessorOptions: {
        scss: {// 全局导入
          charset: false,
          additionalData: '@import "@/uni.scss";',
        }
      }
    },
    resolve: {
      // 别名
      alias: [
        {
          find: '@',
          replacement: path.resolve(__dirname, 'src'),
        }
      ],
      // 忽略文件后缀名
      extensions: ['.js', '.ts', '.vue', '.scss', '.json']
    },
    server: {
      // 监听所有地址
      host: '0.0.0.0',
      // 端口号
      port: 3000,
      // 自动打开浏览器
      open: true,
      // 热更新
      hmr: true,
      // 自动更换可用端口
      strictPort: false,
      // 代理规则
      proxy: {
        '/api': {
          // 开启跨域
          changeOrigin: true,
          // 转发地址
          target: env.VITE_API_URL,
          // 路径重写
          rewrite: (path) => path.replace(/^\/api/, ''),
        },
      }
    },
    build: {
      chunkSizeWarningLimit: 2048,// chunk大于2M触发警告
    },
    esbuild: {
      drop: mode === 'production' ? ['console', 'debugger'] : [],
    },
    plugins: [
      Components({// 自动导入组件
        resolvers: [WotResolver()],
        dts: 'src/typings/components.d.ts'
      }),
      [uni()],// Uni-App编译
    ],
  }
})