yiyunjianzhuBeta/node_modules/postcss-import/lib/join-media.js

"use strict"

module.exports = function(parentMedia, childMedia) {
  if (!parentMedia.length && childMedia.length) return childMedia
  if (parentMedia.length && !childMedia.length) return parentMedia
  if (!parentMedia.length && !childMedia.length) return []

  const media = []

  parentMedia.forEach(parentItem => {
    childMedia.forEach(childItem => {
      if (parentItem !== childItem) media.push(`${parentItem} and ${childItem}`)
    })
  })

  return media
}