1. /**
    
  2.  * Copyright (c) Meta Platforms, Inc. and affiliates.
    
  3.  *
    
  4.  * This source code is licensed under the MIT license found in the
    
  5.  * LICENSE file in the root directory of this source tree.
    
  6.  *
    
  7.  * @flow
    
  8.  */
    
  9. 
    
  10. import type {DevToolsHook} from 'react-devtools-shared/src/backend/types';
    
  11. 
    
  12. import Agent from 'react-devtools-shared/src/backend/agent';
    
  13. import Bridge from 'react-devtools-shared/src/bridge';
    
  14. import {initBackend} from 'react-devtools-shared/src/backend';
    
  15. import setupNativeStyleEditor from 'react-devtools-shared/src/backend/NativeStyleEditor/setupNativeStyleEditor';
    
  16. 
    
  17. import {COMPACT_VERSION_NAME} from './utils';
    
  18. 
    
  19. setup(window.__REACT_DEVTOOLS_GLOBAL_HOOK__);
    
  20. 
    
  21. function setup(hook: ?DevToolsHook) {
    
  22.   if (hook == null) {
    
  23.     return;
    
  24.   }
    
  25. 
    
  26.   hook.backends.set(COMPACT_VERSION_NAME, {
    
  27.     Agent,
    
  28.     Bridge,
    
  29.     initBackend,
    
  30.     setupNativeStyleEditor,
    
  31.   });
    
  32. 
    
  33.   hook.emit('devtools-backend-installed', COMPACT_VERSION_NAME);
    
  34. }