27 lines
1,022 B
JavaScript
Executable file
27 lines
1,022 B
JavaScript
Executable file
'use strict';
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var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
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var speciesConstructor = require('../internals/species-constructor');
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var fails = require('../internals/fails');
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var aTypedArray = ArrayBufferViewCore.aTypedArray;
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var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
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var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
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var $slice = [].slice;
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var FORCED = fails(function () {
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// eslint-disable-next-line es/no-typed-arrays -- required for testing
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new Int8Array(1).slice();
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});
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// `%TypedArray%.prototype.slice` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.slice
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exportTypedArrayMethod('slice', function slice(start, end) {
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var list = $slice.call(aTypedArray(this), start, end);
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var C = speciesConstructor(this, this.constructor);
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var index = 0;
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var length = list.length;
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var result = new (aTypedArrayConstructor(C))(length);
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while (length > index) result[index] = list[index++];
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return result;
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}, FORCED);
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