react-dom-core/lib/ReactHostComponent.js

/**
 * Copyright (c) 2014-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.
 *
 */

'use strict';

var _prodInvariant = require('./reactProdInvariant');

var invariant = require('fbjs/lib/invariant');

var genericComponentClass = null;
var textComponentClass = null;

var ReactHostComponentInjection = {
  // This accepts a class that receives the tag string. This is a catch all
  // that can render any kind of tag.
  injectGenericComponentClass: function (componentClass) {
    genericComponentClass = componentClass;
  },
  // This accepts a text component class that takes the text string to be
  // rendered as props.
  injectTextComponentClass: function (componentClass) {
    textComponentClass = componentClass;
  }
};

/**
 * Get a host internal component class for a specific tag.
 *
 * @param {ReactElement} element The element to create.
 * @return {function} The internal class constructor function.
 */
function createInternalComponent(element) {
  !genericComponentClass ? process.env.NODE_ENV !== 'production' ? invariant(false, 'There is no registered component for the tag %s', element.type) : _prodInvariant('111', element.type) : void 0;
  return new genericComponentClass(element);
}

/**
 * @param {ReactText} text
 * @return {ReactComponent}
 */
function createInstanceForText(text) {
  return new textComponentClass(text);
}

/**
 * @param {ReactComponent} component
 * @return {boolean}
 */
function isTextComponent(component) {
  return component instanceof textComponentClass;
}

var ReactHostComponent = {
  createInternalComponent: createInternalComponent,
  createInstanceForText: createInstanceForText,
  isTextComponent: isTextComponent,
  injection: ReactHostComponentInjection
};

module.exports = ReactHostComponent;