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@lazy-koala/vite-plugin-px2viewport

v1.0.3

Published

A Vite plugin that converts px units to vw for mobile viewport adaptation, supporting CSS, Vue SFC inline styles.

Readme

@lazy-koala/vite-plugin-px2viewport

Vite 插件,将 px 单位转换为 vw,实现移动端视口适配。

  • CSS PostCSS 转换(<style>.css 文件)
  • Vue SFC 内联样式编译时转换(style="...":style="{...}"
  • 响应式样式运行时转换(usePxToVw

安装

npm i -D @lazy-koala/vite-plugin-px2viewport

使用

import { px2viewport } from '@lazy-koala/vite-plugin-px2viewport'

export default defineConfig({
  plugins: [px2viewport()]
})

选项

| 参数 | 类型 | 默认值 | 说明 | |------|------|--------|------| | viewportWidth | number \| ((file: string) => number \| undefined) | 750 | 设计稿宽度 | | unitToConvert | string | 'px' | 待转换单位 | | viewportUnit | string | 'vw' | 目标单位 | | unitPrecision | number | 5 | vw 值小数位数 | | minPixelValue | number | 1 | 小于该值的 px 不转换 | | include | FilterPattern | /\.vue/, /\.[jt]sx?$/, /\.m[jt]sx?$/ | 匹配转换的文件 | | exclude | FilterPattern | - | 排除的文件,例:/node_modules\/(?!(?:.*\/)?vant\/)/ 表示排除 node_modules 保留 Vant |

排除所有 node_modules,保留 Vant

px2viewport({
  exclude: /node_modules\/(?!(?:.*\/)?vant\/)/,
  viewportWidth: (file) => {
    if (file.includes('node_modules/vant')) return 375
    return 750
  }
})

运行时转换

对于 ref({ width: '200px' }) 这种响应式绑定,编译时无法转换,需要运行时 composable:

<script setup lang="ts">
import { usePxToVw } from '@lazy-koala/vite-plugin-px2viewport/runtime'

const boxStyle = usePxToVw({ width: '200px', height: '200px', background: '#f0f' })
</script>

<template>
  <div :style="boxStyle">200x200px 自动转 vw</div>
</template>

会自动读取 window.__px2viewport(由插件在 transformIndexHtml 注入),无需额外配置。