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968 BJavaScriptView Raw
1'use strict';
2var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
3var toLength = require('../internals/to-length');
4var toOffset = require('../internals/to-offset');
5var toObject = require('../internals/to-object');
6var fails = require('../internals/fails');
7
8var aTypedArray = ArrayBufferViewCore.aTypedArray;
9
10var FORCED = fails(function () {
11 // eslint-disable-next-line no-undef
12 new Int8Array(1).set({});
13});
14
15// `%TypedArray%.prototype.set` method
16// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.set
17ArrayBufferViewCore.exportProto('set', function set(arrayLike /* , offset */) {
18 aTypedArray(this);
19 var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
20 var length = this.length;
21 var src = toObject(arrayLike);
22 var len = toLength(src.length);
23 var index = 0;
24 if (len + offset > length) throw RangeError('Wrong length');
25 while (index < len) this[offset + index] = src[index++];
26}, FORCED);