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