Export RCTDidInitializeModuleNotificationModuleKey for the module userInfo key

packages/react-native/React/Base/RCTConstants.h

@@ -44,6 +44,7 @@ RCT_EXTERN NSString *const RCTJavaScriptDidFailToLoadNotification;
  * the `[bridge moduleForClass:]` method.
  */
 RCT_EXTERN NSString *const RCTDidInitializeModuleNotification;
+RCT_EXTERN NSString *const RCTDidInitializeModuleNotificationModuleKey;
 
 /*
  * W3C Pointer Events

packages/react-native/React/Base/RCTConstants.m

@@ -20,6 +20,7 @@
 NSString *const RCTJavaScriptWillStartLoadingNotification = @"RCTJavaScriptWillStartLoadingNotification";
 
 NSString *const RCTDidInitializeModuleNotification = @"RCTDidInitializeModuleNotification";
+NSString *const RCTDidInitializeModuleNotificationModuleKey = @"module";
 
 NSString *const RCTNotifyEventDispatcherObserversOfEvent_DEPRECATED =
     @"RCTNotifyEventDispatcherObserversOfEvent_DEPRECATED";

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm

@@ -726,9 +726,10 @@ - (BOOL)_shouldCreateObjCModule:(Class)moduleClass
    * TODO(T41180176): Investigate whether we can delete this after TM
    * rollout.
    */
-  [[NSNotificationCenter defaultCenter] postNotificationName:RCTDidInitializeModuleNotification
-                                                      object:nil
-                                                    userInfo:@{@"module" : module, @"bridge" : [NSNull null]}];
+  [[NSNotificationCenter defaultCenter]
+      postNotificationName:RCTDidInitializeModuleNotification
+                    object:nil
+                  userInfo:@{RCTDidInitializeModuleNotificationModuleKey : module, @"bridge" : [NSNull null]}];
 
   TurboModulePerfLogger::moduleCreateSetUpEnd(moduleName, moduleId);