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