nutui/vite.config.build.ts

import { defineConfig } from 'vite';
import vue from '@vitejs/plugin-vue';
import Markdown from 'vite-plugin-md';
import path from 'path';
import config from './package.json';
// https://vitejs.dev/config/

const banner = `/*!
* ${config.name} v${config.version} ${new Date()}
* (c) 2021 @jdf2e.
* Released under the MIT License.
*/`;

export default defineConfig({
  resolve: {
    alias: [{ find: '@', replacement: path.resolve(__dirname, './src') }]
  },
  css: {
    preprocessorOptions: {
      scss: {
        // example : additionalData: `@import "./src/design/styles/variables";`
        // dont need include file extend .scss
        additionalData: `@import "@/styles/variables.scss";@import "@/sites/assets/styles/variables.scss";`
      }
    }
  },
  plugins: [
    vue({
      include: [/\.vue$/, /\.md$/]
    }),
    Markdown()
  ],
  build: {
    rollupOptions: {
      // 请确保外部化那些你的库中不需要的依赖
      external: ['vue'],
      output: {
        banner,
        // 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'
        }
      }
    },
    lib: {
      entry: 'src/nutui.ts',
      name: 'nutui',
      formats: ['es', 'umd']
    },
    emptyOutDir: false
  }
});