import vue from '@vitejs/plugin-vue'
import { resolve } from 'path';
import type { UserConfig } from 'vite';

const pathResolve = (dir: string): any => {
  return resolve(__dirname, '.', dir);
};
const alias: Record<string, string> = {
  '@': pathResolve('src'),
};
// https://vitejs.dev/config/
const viteConfig: UserConfig = {
  plugins: [vue()],
  resolve: { alias },
  build: {
    lib: {
      entry: resolve(__dirname, 'src/lib.ts'),
      name: 'V3BaseUi',
      fileName: (format) => `v3-base-ui.${format}.js`
    },
    outDir: 'lib',
    rollupOptions: {
      // 确保外部化处理那些你不想打包进库的依赖
      external: ['vue'],
      output: {
        // 在 UMD 构建模式下为这些外部化的依赖提供一个全局变量
        globals: {
          vue: 'Vue'
        }
      }
    }
  },
}

export default viteConfig