21 lines
713 B
Plaintext
21 lines
713 B
Plaintext
/**
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @providesModule isNode
|
|
* @typechecks
|
|
*/
|
|
|
|
/**
|
|
* @param {*} object The object to check.
|
|
* @return {boolean} Whether or not the object is a DOM node.
|
|
*/
|
|
function isNode(object) {
|
|
var doc = object ? object.ownerDocument || object : document;
|
|
var defaultView = doc.defaultView || window;
|
|
return !!(object && (typeof defaultView.Node === 'function' ? object instanceof defaultView.Node : typeof object === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string'));
|
|
}
|
|
|
|
module.exports = isNode; |