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postcss-convert-px-to-vw

v2.0.0

Published

Convert px to rem or vw

Downloads

7

Readme

postcss-px-to-remvw

用于转换 px 单位至 rem 和 vw 单位。

install

npm i postcss-px-to-remvw

Options

  • baseSize: 转换基准,默认 { rem: 75, vw: 7.5 },如原始大小为 36px ,则转换后为 0.48rem4.8vw
  • precision: 默认 6 ,转换保留有效位数。
  • forceRemProps: 只生成 rem 单位,不生成 vw 单位的属性。
  • keepRuleComment: 默认 'no' ,不转换的行注释。
  • keepFileComment: 默认 'pxtoremvw-disable' ,不转换的文件注释。
  • toRem: 默认 true,是否生成 rem 单位。
  • toVw: 默认 true,是否生成 vw 单位。

Usage

Postcss

  import postcss from 'postcss'
  import pxToRemVw from 'postcss-px-to-remvw'
  const opts = {}

  postcss([pxToRemVw(opts)])
    .process(css, { from: './input.css', to: './output.css' })
    .then(result => {
      fs.writeFileSync('./output.css', result.css)
      if ( result.map ) fs.writeFile('./output.css.map', result.map)
    })
    .catch(err => {
      console.error(err)
    })

postcss-loader

  {
    test: /.css$/,
    loader: {
      loader: require.resolve('postcss-loader'),
      options: {
        // ...
        plugins: () => [
          // ...
          require('postcss-px-to-remvw')({
            baseSize: {
              rem: 750,
              vw: 7.5
            },
            precision: 6,
            forceRemProps: [ 'font', 'font-size' ],
            keepRuleComment: 'no',
            keepFileComment: 'pxtoremvw-disable',
            toVw: shouldPostCssGenVw,
            toRem: shouldPostCssGenRem
          }),
        ],
        // ...
      },
    }
  }