28 lines
1 KiB
JavaScript
Executable file
28 lines
1 KiB
JavaScript
Executable file
'use strict';
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var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
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var toLength = require('../internals/to-length');
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var toOffset = require('../internals/to-offset');
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var toObject = require('../internals/to-object');
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var fails = require('../internals/fails');
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var aTypedArray = ArrayBufferViewCore.aTypedArray;
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var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
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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).set({});
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});
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// `%TypedArray%.prototype.set` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.set
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exportTypedArrayMethod('set', function set(arrayLike /* , offset */) {
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aTypedArray(this);
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var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
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var length = this.length;
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var src = toObject(arrayLike);
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var len = toLength(src.length);
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var index = 0;
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if (len + offset > length) throw RangeError('Wrong length');
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while (index < len) this[offset + index] = src[index++];
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}, FORCED);
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