21 lines
713 B
Plaintext
21 lines
713 B
Plaintext
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/**
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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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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var doc = object ? object.ownerDocument || object : document;
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var defaultView = doc.defaultView || window;
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return !!(object && (typeof defaultView.Node === 'function' ? object instanceof defaultView.Node : typeof object === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string'));
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}
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module.exports = isNode;
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