react-native/Libraries/DebugComponentHierarchy/RCTDebugComponentOwnership.js

/**
 * Copyright (c) 2015-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.
 *
 * Utility class to provide the component owner hierarchy to native code for
 * debugging purposes.
 *
 * @providesModule RCTDebugComponentOwnership
 * @flow
 */

'use strict';

var BatchedBridge = require('BatchedBridge');

var RCTDebugComponentOwnership = {
  /**
   * Asynchronously returns the owner hierarchy as an array of strings. Request id is
   * passed along to the native module so that the native module can identify the
   * particular call instance.
   *
   * Example returned owner hierarchy: ['RootView', 'Dialog', 'TitleView', 'Text']
   */
  getOwnerHierarchy: function(requestID: number, tag: number) {
    // Consider cleaning up these unused modules in a separate diff.
    throw new Error(
      'This seems to be unused. Will disable until it is needed again.'
    );
  },
};

BatchedBridge.registerCallableModule(
  'RCTDebugComponentOwnership',
  RCTDebugComponentOwnership
);

module.exports = RCTDebugComponentOwnership;