Function hasUndefined

src/utils/sort.js:12–14

* Checks if an array contains undefined values * @param {*} arg - The data to check * @returns {boolean} True if the array contains undefined values

(arg)

 * @returns {boolean} True if the array contains undefined values
 */
function hasUndefined (arg) {
	return Array.isArray(arg) && arg.some(item => item === undefined);
}

/**
 * Clones data efficiently based on whether it contains undefined values