Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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1 | var root = require('./_root');
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2 |
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3 | /** Detect free variable `exports`. */
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4 | var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
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5 |
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6 | /** Detect free variable `module`. */
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7 | var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
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8 |
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9 | /** Detect the popular CommonJS extension `module.exports`. */
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10 | var moduleExports = freeModule && freeModule.exports === freeExports;
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11 |
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12 | /** Built-in value references. */
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13 | var Buffer = moduleExports ? root.Buffer : undefined,
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14 | allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
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15 |
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16 | /**
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17 | * Creates a clone of `buffer`.
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18 | *
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19 | * @private
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20 | * @param {Buffer} buffer The buffer to clone.
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21 | * @param {boolean} [isDeep] Specify a deep clone.
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22 | * @returns {Buffer} Returns the cloned buffer.
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23 | */
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24 | function cloneBuffer(buffer, isDeep) {
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25 | if (isDeep) {
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26 | return buffer.slice();
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27 | }
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28 | var length = buffer.length,
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29 | result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
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30 |
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31 | buffer.copy(result);
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32 | return result;
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33 | }
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34 |
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35 | module.exports = cloneBuffer;
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