function minBy(items, getValue) { if (items.length === 0) { return undefined; } let minElement = items[0]; let min = getValue(minElement, 0, items); for (let i = 1; i < items.length; i++) { const element = items[i]; const value = getValue(element, i, items); if (value < min) { min = value; minElement = element; } } return minElement; } export { minBy };