'use strict';

const arrayMoveMutate = (array, from, to) => {
	const startIndex = from < 0 ? array.length + from : from;

	if (startIndex >= 0 && startIndex < array.length) {
		const endIndex = to < 0 ? array.length + to : to;

		const [item] = array.splice(from, 1);
		array.splice(endIndex, 0, item);
	}
};

const arrayMove = (array, from, to) => {
	array = [...array];
	arrayMoveMutate(array, from, to);
	return array;
};

module.exports = arrayMove;
module.exports.mutate = arrayMoveMutate;