| var global = require('../internals/global'); |
| var DOMIterables = require('../internals/dom-iterables'); |
| var ArrayIteratorMethods = require('../modules/es.array.iterator'); |
| var createNonEnumerableProperty = require('../internals/create-non-enumerable-property'); |
| var wellKnownSymbol = require('../internals/well-known-symbol'); |
| |
| var ITERATOR = wellKnownSymbol('iterator'); |
| var TO_STRING_TAG = wellKnownSymbol('toStringTag'); |
| var ArrayValues = ArrayIteratorMethods.values; |
| |
| for (var COLLECTION_NAME in DOMIterables) { |
| var Collection = global[COLLECTION_NAME]; |
| var CollectionPrototype = Collection && Collection.prototype; |
| if (CollectionPrototype) { |
| // some Chrome versions have non-configurable methods on DOMTokenList |
| if (CollectionPrototype[ITERATOR] !== ArrayValues) try { |
| createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues); |
| } catch (error) { |
| CollectionPrototype[ITERATOR] = ArrayValues; |
| } |
| if (!CollectionPrototype[TO_STRING_TAG]) { |
| createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME); |
| } |
| if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) { |
| // some Chrome versions have non-configurable methods on DOMTokenList |
| if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try { |
| createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]); |
| } catch (error) { |
| CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME]; |
| } |
| } |
| } |
| } |