sanic.js/lib/array/reverse.js

JS Native Functions gotta go fast

'use strict';

/* ECMA Reference
 * http://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.reverse
 */

/**
 * @param {Array} array - array
 * @return the reversed array
 */
module.exports = function reverseClosure(nativeReverse) {
	return function reverse(array) {
		if (!array) {
			return;
		}

		if (!Array.isArray(array)) {
			return nativeReverse.call(...arguments);
		}

		let tmp = null;

		for (let i = 0, iMax = Math.floor(array.length / 2); i < iMax; i++) {
			tmp = array[i];
			array[i] = array[array.length - i - 1];
			array[array.length - i - 1] = tmp;
		}

		return array;
	};
};