* Push an update, if any, onto the queue. Creates a new queue if none is * passed and always returns the queue. Mutative.

* Same as document.activeElement but wraps in a try-catch block. In IE it is * not safe to call document.activeElement if there is nothing focused.

* Given a ReactNode, create an instance that will actually be mounted. * * @param {ReactNode} node * @param {boolean} shouldHaveDebugID * @ret

* Copyright (c) 2013-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the

* Processes any enqueued updates. * * @private

* Given a `prevElement` and `nextElement`, determines if the existing * instance should be updated as opposed to being destroyed or replaced by a ne

* @param {object} component * @param {?object} props

* Assert that the values match with the type specs. * Error messages are memorized and will only be shown once. * * @param {object} typeSpecs Ma

* Poll selection to see whether it's changed. * * @param {object} nativeEvent * @return {?SyntheticEvent}

* Creates a function that invokes two functions and merges their return values. * * @param {function} one Function to invoke first. * @param {fu

* Convert a value into the proper css writable value. The style name `name` * should be logical (no hyphens), as specified * in `CSSProperty.isUni

* Dispatch the event to the listener. * @param {SyntheticEvent} event SyntheticEvent to handle * @param {boolean} simulated If the event is simula

* @param {DOMElement} node input/textarea to focus

* Google Input Tools provides composition data via a CustomEvent, * with the `data` property populated in the `detail` object. If this * is availa

* Given any node return the first leaf node without children. * * @param {DOMElement|DOMTextNode} node * @return {DOMElement|DOMTextNode}

* Get object describing the nodes which contain characters at offset. * * @param {DOMElement|DOMTextNode} root * @param {number} offset * @ret

* Drill down (through composites and empty components) until we get a host or * host text component. * * This is pretty polymorphic but unavoida

* Gets the key used to access text content on a DOM node. * * @return {?string} Key used to access text content. * @internal

* True if the supplied DOM node has a direct React-rendered child that is * not a React root element. Useful for warning in `render`, * `unmountCo

* While `isCollapsed` is available on the Selection object and `collapsed` * is available on the Range object, IE11 sometimes gets them wrong. * I

* Does our fallback mode think that this event is the end of composition? * * @param {string} topLevelType * @param {object} nativeEvent * @re