28 lines
536 B
JavaScript
28 lines
536 B
JavaScript
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/**
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* resize image.
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* @param {number} width width
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* @param {number} height height
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* @return {object} width and height
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*/
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function resize (width, height) {
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const aspectRatio = width / height
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let optimalWidth = Math.round(aspectRatio * 20 * (27 / 3))
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let optimalHeight = 20
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if (optimalWidth > 320) {
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const reduction = optimalWidth / 320
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optimalWidth = 320
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optimalHeight *= reduction
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}
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return {
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width: Math.floor(optimalWidth),
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height: Math.floor(optimalHeight)
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}
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}
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module.exports = { resize }
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