React.js

/**
 * 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.
 *
 * @providesModule React
 */

'use strict';

var ReactChildren = require('ReactChildren');
var ReactComponent = require('ReactComponent');
var ReactClass = require('ReactClass');
var ReactDOMFactories = require('ReactDOMFactories');
var ReactElement = require('ReactElement');
var ReactElementValidator = require('ReactElementValidator');
var ReactPropTypes = require('ReactPropTypes');
var ReactVersion = require('ReactVersion');

var assign = require('Object.assign');
var onlyChild = require('onlyChild');

var createElement = ReactElement.createElement;
var createFactory = ReactElement.createFactory;
var cloneElement = ReactElement.cloneElement;

if (__DEV__) {
  createElement = ReactElementValidator.createElement;
  createFactory = ReactElementValidator.createFactory;
  cloneElement = ReactElementValidator.cloneElement;
}

var React = {

  // Modern

  Children: {
    map: ReactChildren.map,
    forEach: ReactChildren.forEach,
    count: ReactChildren.count,
    toArray: ReactChildren.toArray,
    only: onlyChild,
  },

  Component: ReactComponent,

  createElement: createElement,
  cloneElement: cloneElement,
  isValidElement: ReactElement.isValidElement,

  // Classic

  PropTypes: ReactPropTypes,
  createClass: ReactClass.createClass,
  createFactory: createFactory,
  createMixin: function(mixin) {
    // Currently a noop. Will be used to validate and trace mixins.
    return mixin;
  },

  // This looks DOM specific but these are actually isomorphic helpers
  // since they are just generating DOM strings.
  DOM: ReactDOMFactories,

  version: ReactVersion,

  // Hook for JSX spread, don't use this for anything else.
  __spread: assign,
};

module.exports = React;