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'use strict';
var setPrototypeOf = require('es5-ext/object/set-prototype-of')
, contains = require('es5-ext/string/#/contains')
, d = require('d')
, Iterator = require('./')
, defineProperty = Object.defineProperty
, ArrayIterator;
ArrayIterator = module.exports = function (arr, kind) {
if (!(this instanceof ArrayIterator)) return new ArrayIterator(arr, kind);
Iterator.call(this, arr);
if (!kind) kind = 'value';
else if (contains.call(kind, 'key+value')) kind = 'key+value';
else if (contains.call(kind, 'key')) kind = 'key';
else kind = 'value';
defineProperty(this, '__kind__', d('', kind));
};
if (setPrototypeOf) setPrototypeOf(ArrayIterator, Iterator);
ArrayIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(ArrayIterator),
_resolve: d(function (i) {
if (this.__kind__ === 'value') return this.__list__[i];
if (this.__kind__ === 'key+value') return [i, this.__list__[i]];
return i;
}),
toString: d(function () { return '[object Array Iterator]'; })
});
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