text: var postcss = require('postcss')
  
  module.exports = postcss.plugin('postcss-cubeui-transform', function (opts) {
    opts = opts || {
      include: /(cube-ui)/,
      exclude: /(src)/
    }
    // Work with options here
    return function (css) {
      css.walkRules(function (rule) {
        if (css.source.input.file.match('vant')) {
          rule.walkDecls(function(decl) {
            var reg = /\d+px/gi
            decl.value = decl.value.replace(reg, function (val) {
              val = val.toLowerCase()
              if (val === '1px') return val
              return parseFloat(val) * 2 + 'px'
            })
          })
        }
      })
    }
  })
  