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26 lines
718 B
26 lines
718 B
10 years ago
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/**
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* Copyright 2013-2015, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule isNode
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* @typechecks
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*/
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/**
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* @param {*} object The object to check.
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* @return {boolean} Whether or not the object is a DOM node.
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*/
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function isNode(object) {
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return !!(object && (
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((typeof Node === 'function' ? object instanceof Node : typeof object === 'object' &&
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typeof object.nodeType === 'number' &&
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typeof object.nodeName === 'string'))
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));
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}
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module.exports = isNode;
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