vite.config.ts

/// <reference types="vitest" />

import { resolve } from 'node:path'
import { defineConfig } from 'vite'
import uni from '@dcloudio/vite-plugin-uni'
import AutoImport from 'unplugin-auto-import/vite'
import Components from 'unplugin-vue-components/vite'
import UniPages from '@uni-helper/vite-plugin-uni-pages'
import UniLayouts from '@uni-helper/vite-plugin-uni-layouts'
import VueDevTools from 'vite-plugin-vue-devtools'
import ReactivityTransform from '@vue-macros/reactivity-transform/vite'

import vueJsx from '@vitejs/plugin-vue-jsx'
// 将px转换为vw的工具包
import pxToViewport from 'postcss-px-to-viewport-8-plugin'

const vw = pxToViewport({
  unitToConvert: 'px', // 要转化的单位
  viewportWidth: 375, // UI设计稿的宽度
  unitPrecision: 6, // 转换后的精度，即小数点位数
  propList: ['*'], // 指定转换的css属性的单位，*代表全部css属性的单位都进行转换
  viewportUnit: 'vw', // 指定需要转换成的视窗单位，默认vw
  fontViewportUnit: 'vw', // 指定字体需要转换成的视窗单位，默认vw
  selectorBlackList: ['ignore'], // 指定不转换为视窗单位的类名，
  minPixelValue: 1, // 默认值1，小于或等于1px则不进行转换
  mediaQuery: true, // 是否在媒体查询的css代码中也进行转换，默认false
  replace: true, // 是否转换后直接更换属性值
  exclude: [/node_modules/], // 设置忽略文件，用正则做目录名匹配
  landscape: false, // 是否处理横屏情况
})

// https://vitejs.dev/config/
export default defineConfig(async () => {
  const Unocss = (await import('unocss/vite')).default
  return {
    resolve: {
      alias: {
        '@/': `${resolve(__dirname, 'src')}/`,
      },
    },
    plugins: [
      vueJsx,
      /**
       * vite-plugin-uni-pages
       * @see https://github.com/uni-helper/vite-plugin-uni-pages
       */
      UniPages({
        subPackages: [
          'src/pages-sub',
        ],
      }),

      /**
       * vite-plugin-uni-layouts
       * @see https://github.com/uni-helper/vite-plugin-uni-layouts
       */
      UniLayouts(),

      /**
       * unocss
       * @see https://github.com/antfu/unocss
       * see unocss.config.ts for config
       */
      Unocss(),

      /**
       * unplugin-auto-import 按需 import
       * @see https://github.com/antfu/unplugin-auto-import
       */
      AutoImport({
        imports: [
          'vue',
          'uni-app',
        ],
        dts: true,
        dirs: [
          './src/composables',
        ],
        vueTemplate: true,
      }),

      /**
       * unplugin-vue-components 按需引入组件
       * 注意：需注册至 uni 之前，否则不会生效
       * @see https://github.com/antfu/vite-plugin-components
       */
      Components({
        dts: 'src/components.d.ts',
      }),

      /**
       * vite-plugin-vue-devtools 增强 Vue 开发者体验
       * @see https://github.com/webfansplz/vite-plugin-vue-devtools
       */
      VueDevTools(),

      uni(),

      /**
       * Reactivity Transform
       * @see https://vue-macros.sxzz.moe/zh-CN/features/reactivity-transform.html
       */
      ReactivityTransform(),
    ],

    css: {
      postcss: {
        plugins: [
          vw,
        ],
      },
    },

    /**
     * Vitest
     * @see https://github.com/vitest-dev/vitest
     */
    test: {
      environment: 'jsdom',
    },
  }
})