35 lines
1 KiB
JavaScript
35 lines
1 KiB
JavaScript
var root = require('./_root');
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/** Detect free variable `exports`. */
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var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
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/** Detect free variable `module`. */
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var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
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/** Detect the popular CommonJS extension `module.exports`. */
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var moduleExports = freeModule && freeModule.exports === freeExports;
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/** Built-in value references. */
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var Buffer = moduleExports ? root.Buffer : undefined,
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allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
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/**
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* Creates a clone of `buffer`.
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*
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* @private
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* @param {Buffer} buffer The buffer to clone.
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* @param {boolean} [isDeep] Specify a deep clone.
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* @returns {Buffer} Returns the cloned buffer.
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*/
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function cloneBuffer(buffer, isDeep) {
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if (isDeep) {
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return buffer.slice();
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}
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var length = buffer.length,
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result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
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buffer.copy(result);
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return result;
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}
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module.exports = cloneBuffer;
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