uno.config.ts

import type { Preset, SourceCodeTransformer } from 'unocss'
import {
  defineConfig,
  presetAttributify,
  presetIcons,
  presetUno,
  transformerDirectives,
  transformerVariantGroup,
} from 'unocss'
import {
  presetApplet,
  // presetRemRpx,
  transformerApplet,
  transformerAttributify,
} from 'unocss-applet'

const isApplet = process.env?.UNI_PLATFORM?.startsWith('mp-') ?? false
const presets: Preset[] = []
const transformers: SourceCodeTransformer[] = []

if (isApplet) {
  /**
   * UnoCSS Applet
   * @see https://github.com/unocss-applet/unocss-applet
   */
  presets.push(presetApplet())
  // presets.push(presetRemRpx()) // 如果需要使用 rem 转 rpx 单位，需要启用此插件
  transformers.push(transformerAttributify())
  transformers.push(transformerApplet())
}
else {
  presets.push(presetUno())
  presets.push(presetAttributify())
}

export default defineConfig({
  presets: [
    // 由 Iconify 提供支持的纯 CSS 图标解决方案
    presetIcons({
      scale: 1.2,
      warn: true,
    }),
    ...presets,
  ],
  /**
   * 自定义快捷语句
   * @see https://github.com/unocss/unocss#shortcuts
   */
  shortcuts: [
    ['center', 'flex justify-center items-center'],
    ['btn', 'px-4 py-1 rounded inline-block bg-teal-600 text-white cursor-pointer hover:bg-teal-700 disabled:cursor-default disabled:bg-gray-600 disabled:opacity-50'],
    ['icon-btn', 'text-[0.9em] inline-block cursor-pointer select-none opacity-75 transition duration-200 ease-in-out hover:opacity-100 hover:text-teal-600 !outline-none'],
  ],
  transformers: [
    transformerDirectives(), // 启用 @apply 功能
    transformerVariantGroup(), // 启用 () 分组功能
    ...transformers,
  ],
})