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22 lines
698 B
JavaScript
22 lines
698 B
JavaScript
/*!
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* Determine if an object is a Buffer
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*
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* @author Feross Aboukhadijeh <https://feross.org>
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* @license MIT
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*/
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// The _isBuffer check is for Safari 5-7 support, because it's missing
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// Object.prototype.constructor. Remove this eventually
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module.exports = function (obj) {
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return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
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}
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function isBuffer (obj) {
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return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
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}
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// For Node v0.10 support. Remove this eventually.
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function isSlowBuffer (obj) {
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return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
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}
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