tailwindcss/jit/corePlugins/scale.js

const { asValue, nameClass } = require('../pluginUtils')

module.exports = function ({ matchUtilities }) {
  matchUtilities({
    scale: (modifier, { theme }) => {
      let value = asValue(modifier, theme.scale)

      if (value === undefined) {
        return []
      }

      return { [nameClass('scale', modifier)]: { '--tw-scale-x': value, '--tw-scale-y': value } }
    },
  })
  matchUtilities({
    'scale-x': (modifier, { theme }) => {
      let value = asValue(modifier, theme.scale)

      if (value === undefined) {
        return []
      }

      return { [nameClass('scale-x', modifier)]: { '--tw-scale-x': value } }
    },
    'scale-y': (modifier, { theme }) => {
      let value = asValue(modifier, theme.scale)

      if (value === undefined) {
        return []
      }

      return { [nameClass('scale-y', modifier)]: { '--tw-scale-y': value } }
    },
  })
}