Function minBy

packages/utils/src/lib/array.ts:126–137

(arr: readonly T[], fn: (item: T) => number)

 * @internal
 */
export function minBy<T>(arr: readonly T[], fn: (item: T) => number): T | undefined {
	let min: T | undefined
	let minVal = Infinity
	for (const item of arr) {
		const val = fn(item)
		if (val < minVal) {
			min = item
			minVal = val
		}
	}
	return min
}

/**
 * Find the item in an array with the maximum value according to a function.