mirror of
https://github.com/JasonYANG170/IOTConnect-Web.git
synced 2024-11-23 20:26:28 +00:00
33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
var setPrototypeOf = require("es5-ext/object/set-prototype-of")
|
||
|
|
, contains = require("es5-ext/string/#/contains")
|
||
|
|
, d = require("d")
|
||
|
|
, Symbol = require("es6-symbol")
|
||
|
|
, Iterator = require("./");
|
||
|
|
|
||
|
|
var defineProperty = Object.defineProperty, ArrayIterator;
|
||
|
|
|
||
|
|
ArrayIterator = module.exports = function (arr, kind) {
|
||
|
|
if (!(this instanceof ArrayIterator)) throw new TypeError("Constructor requires 'new'");
|
||
|
|
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);
|
||
|
|
|
||
|
|
// Internal %ArrayIteratorPrototype% doesn't expose its constructor
|
||
|
|
delete ArrayIterator.prototype.constructor;
|
||
|
|
|
||
|
|
ArrayIterator.prototype = Object.create(Iterator.prototype, {
|
||
|
|
_resolve: d(function (i) {
|
||
|
|
if (this.__kind__ === "value") return this.__list__[i];
|
||
|
|
if (this.__kind__ === "key+value") return [i, this.__list__[i]];
|
||
|
|
return i;
|
||
|
|
})
|
||
|
|
});
|
||
|
|
defineProperty(ArrayIterator.prototype, Symbol.toStringTag, d("c", "Array Iterator"));
|