29 lines
872 B
JavaScript
29 lines
872 B
JavaScript
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"use strict"
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const startsWithKeywordRegexp = /^(all|not|only|print|screen)/i
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module.exports = function (parentMedia, childMedia) {
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if (!parentMedia.length && childMedia.length) return childMedia
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if (parentMedia.length && !childMedia.length) return parentMedia
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if (!parentMedia.length && !childMedia.length) return []
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const media = []
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parentMedia.forEach(parentItem => {
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const parentItemStartsWithKeyword = startsWithKeywordRegexp.test(parentItem)
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childMedia.forEach(childItem => {
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const childItemStartsWithKeyword = startsWithKeywordRegexp.test(childItem)
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if (parentItem !== childItem) {
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if (childItemStartsWithKeyword && !parentItemStartsWithKeyword) {
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media.push(`${childItem} and ${parentItem}`)
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} else {
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media.push(`${parentItem} and ${childItem}`)
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}
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}
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})
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})
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return media
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}
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