/* * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ function toInteger(target) { "use strict"; var numberValue = @Number(target); // isNaN(numberValue) if (numberValue !== numberValue) return 0; if (numberValue === 0 || !@isFinite(numberValue)) return numberValue; return (numberValue > 0 ? 1 : -1) * @floor(@abs(numberValue)); } function toLength(target) { "use strict"; var maxSafeInteger = 0x1FFFFFFFFFFFFF; var length = @toInteger(target); // originally Math.min(Math.max(length, 0), maxSafeInteger)); return length > 0 ? (length < maxSafeInteger ? length : maxSafeInteger) : 0; } function isObject(object) { "use strict"; return (object !== null && typeof object === "object") || typeof object === "function"; }