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/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
var _prodInvariant = require('./reactProdInvariant');
var ReactCurrentOwner = require('react/lib/ReactCurrentOwner');
var ReactDOMComponentTree = require('./ReactDOMComponentTree');
var ReactInstanceMap = require('./ReactInstanceMap');
var getHostComponentFromComposite = require('./getHostComponentFromComposite');
var invariant = require('fbjs/lib/invariant');
var warning = require('fbjs/lib/warning');
/**
* Returns the DOM node rendered by this element.
*
* See https://facebook.github.io/react/docs/top-level-api.html#reactdom.finddomnode
*
* @param {ReactComponent|DOMElement} componentOrElement
* @return {?DOMElement} The root node of this element.
*/
function findDOMNode(componentOrElement) {
if (process.env.NODE_ENV !== 'production') {
var owner = ReactCurrentOwner.current;
if (owner !== null) {
process.env.NODE_ENV !== 'production' ? warning(owner._warnedAboutRefsInRender, '%s is accessing findDOMNode inside its render(). ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner.getName() || 'A component') : void 0;
owner._warnedAboutRefsInRender = true;
}
}
if (componentOrElement == null) {
return null;
}
if (componentOrElement.nodeType === 1) {
return componentOrElement;
}
var inst = ReactInstanceMap.get(componentOrElement);
if (inst) {
inst = getHostComponentFromComposite(inst);
return inst ? ReactDOMComponentTree.getNodeFromInstance(inst) : null;
}
if (typeof componentOrElement.render === 'function') {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'findDOMNode was called on an unmounted component.') : _prodInvariant('44') : void 0;
} else {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Element appears to be neither ReactComponent nor DOMNode (keys: %s)', Object.keys(componentOrElement)) : _prodInvariant('45', Object.keys(componentOrElement)) : void 0;
}
}
module.exports = findDOMNode;
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