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on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | 'use strict';
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2 | var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
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3 | var toLength = require('../internals/to-length');
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4 | var toOffset = require('../internals/to-offset');
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5 | var toObject = require('../internals/to-object');
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6 | var fails = require('../internals/fails');
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7 |
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8 | var aTypedArray = ArrayBufferViewCore.aTypedArray;
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9 | var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
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10 |
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11 | var FORCED = fails(function () {
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12 | // eslint-disable-next-line es/no-typed-arrays -- required for testing
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13 | new Int8Array(1).set({});
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14 | });
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15 |
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16 | // `%TypedArray%.prototype.set` method
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17 | // https://tc39.es/ecma262/#sec-%typedarray%.prototype.set
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18 | exportTypedArrayMethod('set', function set(arrayLike /* , offset */) {
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19 | aTypedArray(this);
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20 | var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
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21 | var length = this.length;
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22 | var src = toObject(arrayLike);
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23 | var len = toLength(src.length);
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24 | var index = 0;
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25 | if (len + offset > length) throw RangeError('Wrong length');
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26 | while (index < len) this[offset + index] = src[index++];
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27 | }, FORCED);
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