react-dom/lib/ReactInvalidSetStateWarningHook.js

React package for working with the DOM.

/**
 * Copyright 2016-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 warning = require('fbjs/lib/warning');

var ReactInvalidSetStateWarningHook = {};

if (process.env.NODE_ENV !== 'production') {
  var processingChildContext = false;

  var warnInvalidSetState = function () {
    process.env.NODE_ENV !== 'production' ? warning(!processingChildContext, 'setState(...): Cannot call setState() inside getChildContext()') : void 0;
  };

  ReactInvalidSetStateWarningHook = {
    onBeginProcessingChildContext: function () {
      processingChildContext = true;
    },
    onEndProcessingChildContext: function () {
      processingChildContext = false;
    },
    onSetState: function () {
      warnInvalidSetState();
    }
  };
}

module.exports = ReactInvalidSetStateWarningHook;