/* * 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 next() { "use strict"; if (this == null) throw new @TypeError("%ArrayIteratorPrototype%.next requires that |this| not be null or undefined"); var itemKind = this.@arrayIterationKind; if (itemKind === undefined) throw new @TypeError("%ArrayIteratorPrototype%.next requires that |this| be an Array Iterator instance"); var done = true; var value = undefined; var array = this.@iteratedObject; if (array !== undefined) { var index = this.@arrayIteratorNextIndex; var length = array.length >>> 0; if (index >= length) { this.@iteratedObject = undefined; } else { this.@arrayIteratorNextIndex = index + 1; done = false; if (itemKind === @arrayIterationKindKey) { value = index; } else if (itemKind === @arrayIterationKindValue) { value = array[index]; } else { value = [ index, array[index] ]; } } } return {done, value}; }