vite.config.build.ts

import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import autoprefixer from 'autoprefixer'

const path = require('path')
const config = require('./package.json')

const banner = `/*!
* ${config.name} v${config.version} ${new Date()}
* (c) 2022 @jdf2e.
* Released under the MIT License.
*/`

const { resolve } = path
// https://vitejs.dev/config/
export default defineConfig({
  resolve: {
    alias: [{ find: '@', replacement: resolve(__dirname, './src') }],
  },
  css: {
    preprocessorOptions: {
      scss: {
        charset: false,
        additionalData: `@import "@/styles/variables.scss";`,
      },
      postcss: {
        plugins: [
          autoprefixer({
            overrideBrowserslist: [
              '> 0.5%',
              'last 2 versions',
              'ie > 11',
              'iOS >= 10',
              'Android >= 5',
            ],
          }),
        ],
      },
    },
  },
  plugins: [react()],
  build: {
    minify: false,
    emptyOutDir: true,
    rollupOptions: {
      // 请确保外部化那些你的库中不需要的依赖
      external: ['react', 'react-dom'],
      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: {
          react: 'React',
          'react-dom': 'ReactDOM',
        },
      },
    },
    lib: {
      entry: 'src/packages/ui.react.build.ts',
      name: 'ui.react',
      fileName: 'ui.react',
      formats: ['es', 'umd'],
    },
  },
})