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. export type EventSystemFlags = number;
    
  11. 
    
  12. export const IS_EVENT_HANDLE_NON_MANAGED_NODE = 1;
    
  13. export const IS_NON_DELEGATED = 1 << 1;
    
  14. export const IS_CAPTURE_PHASE = 1 << 2;
    
  15. export const IS_PASSIVE = 1 << 3;
    
  16. export const IS_LEGACY_FB_SUPPORT_MODE = 1 << 4;
    
  17. 
    
  18. export const SHOULD_NOT_DEFER_CLICK_FOR_FB_SUPPORT_MODE =
    
  19.   IS_LEGACY_FB_SUPPORT_MODE | IS_CAPTURE_PHASE;
    
  20. 
    
  21. // We do not want to defer if the event system has already been
    
  22. // set to LEGACY_FB_SUPPORT. LEGACY_FB_SUPPORT only gets set when
    
  23. // we call willDeferLaterForLegacyFBSupport, thus not bailing out
    
  24. // will result in endless cycles like an infinite loop.
    
  25. // We also don't want to defer during event replaying.
    
  26. export const SHOULD_NOT_PROCESS_POLYFILL_EVENT_PLUGINS =
    
  27.   IS_EVENT_HANDLE_NON_MANAGED_NODE | IS_NON_DELEGATED | IS_CAPTURE_PHASE;