'use strict';

function shuffle(array) {
	const shuffledArray = [...array];

	for (let i = array.length - 1; i > 0; i -= 1) {
		const j = Math.floor(Math.random() * (i + 1));
		[shuffledArray[i], shuffledArray[j]] = [shuffledArray[j], shuffledArray[i]];
	}

	return shuffledArray;
}

module.exports = shuffle;