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- 'use strict';
- var global = require('../internals/global');
- var call = require('../internals/function-call');
- var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
- var lengthOfArrayLike = require('../internals/length-of-array-like');
- var toOffset = require('../internals/to-offset');
- var toIndexedObject = require('../internals/to-object');
- var fails = require('../internals/fails');
- var RangeError = global.RangeError;
- var Int8Array = global.Int8Array;
- var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
- var $set = Int8ArrayPrototype && Int8ArrayPrototype.set;
- var aTypedArray = ArrayBufferViewCore.aTypedArray;
- var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
- var WORKS_WITH_OBJECTS_AND_GENERIC_ON_TYPED_ARRAYS = !fails(function () {
- // eslint-disable-next-line es/no-typed-arrays -- required for testing
- var array = new Uint8ClampedArray(2);
- call($set, array, { length: 1, 0: 3 }, 1);
- return array[1] !== 3;
- });
- // https://bugs.chromium.org/p/v8/issues/detail?id=11294 and other
- var TO_OBJECT_BUG = WORKS_WITH_OBJECTS_AND_GENERIC_ON_TYPED_ARRAYS && ArrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS && fails(function () {
- var array = new Int8Array(2);
- array.set(1);
- array.set('2', 1);
- return array[0] !== 0 || array[1] !== 2;
- });
- // `%TypedArray%.prototype.set` method
- // https://tc39.es/ecma262/#sec-%typedarray%.prototype.set
- exportTypedArrayMethod('set', function set(arrayLike /* , offset */) {
- aTypedArray(this);
- var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
- var src = toIndexedObject(arrayLike);
- if (WORKS_WITH_OBJECTS_AND_GENERIC_ON_TYPED_ARRAYS) return call($set, this, src, offset);
- var length = this.length;
- var len = lengthOfArrayLike(src);
- var index = 0;
- if (len + offset > length) throw new RangeError('Wrong length');
- while (index < len) this[offset + index] = src[index++];
- }, !WORKS_WITH_OBJECTS_AND_GENERIC_ON_TYPED_ARRAYS || TO_OBJECT_BUG);
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