"use strict"
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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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childMedia.forEach(childItem => {
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if (parentItem !== childItem) media.push(`${parentItem} and ${childItem}`)
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})
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})
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return media
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}
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