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