40 lines
1.8 KiB
JavaScript
40 lines
1.8 KiB
JavaScript
'use strict';
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var global = require('../internals/global');
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var uncurryThis = require('../internals/function-uncurry-this');
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var PROPER_FUNCTION_NAME = require('../internals/function-name').PROPER;
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var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
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var ArrayIterators = require('../modules/es.array.iterator');
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var wellKnownSymbol = require('../internals/well-known-symbol');
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var ITERATOR = wellKnownSymbol('iterator');
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var Uint8Array = global.Uint8Array;
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var arrayValues = uncurryThis(ArrayIterators.values);
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var arrayKeys = uncurryThis(ArrayIterators.keys);
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var arrayEntries = uncurryThis(ArrayIterators.entries);
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var aTypedArray = ArrayBufferViewCore.aTypedArray;
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var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
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var nativeTypedArrayIterator = Uint8Array && Uint8Array.prototype[ITERATOR];
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var PROPER_ARRAY_VALUES_NAME = !!nativeTypedArrayIterator && nativeTypedArrayIterator.name === 'values';
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var typedArrayValues = function values() {
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return arrayValues(aTypedArray(this));
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};
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// `%TypedArray%.prototype.entries` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.entries
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exportTypedArrayMethod('entries', function entries() {
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return arrayEntries(aTypedArray(this));
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});
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// `%TypedArray%.prototype.keys` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.keys
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exportTypedArrayMethod('keys', function keys() {
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return arrayKeys(aTypedArray(this));
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});
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// `%TypedArray%.prototype.values` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.values
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exportTypedArrayMethod('values', typedArrayValues, PROPER_FUNCTION_NAME && !PROPER_ARRAY_VALUES_NAME);
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// `%TypedArray%.prototype[@@iterator]` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype-@@iterator
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exportTypedArrayMethod(ITERATOR, typedArrayValues, PROPER_FUNCTION_NAME && !PROPER_ARRAY_VALUES_NAME);
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