fix(messaging, ios): Support Ephemeral authorization state

docs/messaging/ios-permissions.md

@@ -98,6 +98,7 @@ The value returned is a number value, which can be mapped to one of the followin
 - `0` = `messaging.AuthorizationStatus.DENIED`: The user has denied notification permissions.
 - `1` = `messaging.AuthorizationStatus.AUTHORIZED`: The user has accept the permission & it is enabled.
 - `2` = `messaging.AuthorizationStatus.PROVISIONAL`: [Provisional authorization](#provisional-authorization) has been granted.
+- `3` = `messaging.AuthorizationStatus.EPHEMERAL`: The app is authorized to create notifications for a limited amount of time. Used for app clips.
 
 To help improve the chances of the user granting your app permission, it is recommended that permission is requested at a time which makes
 sense during the flow of your application (e.g. starting a new chat), where the user would expect to receive such notifications.

packages/messaging/ios/RNFBMessaging/RNFBMessagingModule.m

@@ -321,6 +321,12 @@ - (NSDictionary *)constantsToExport {
             }
           }
 
+          if (@available(iOS 14.0, macCatalyst 14.0, *)) {
+            if (settings.authorizationStatus == UNAuthorizationStatusEphemeral) {
+              authorizedStatus = @3;
+            }
+          }
+
           resolve(authorizedStatus);
         }];
   } else {

packages/messaging/lib/index.d.ts

@@ -501,6 +501,13 @@ export namespace FirebaseMessagingTypes {
      * @platform ios iOS >= 12
      */
     PROVISIONAL = 2,
+
+    /**
+     * The app is authorized to create notifications for a limited amount of time.
+     * Used in App Clips.
+     * @platform ios iOS >= 14
+     */
+    EPHEMERAL = 3,
   }
 
   /**

packages/messaging/lib/index.js

@@ -40,6 +40,7 @@ const statics = {
     DENIED: 0,
     AUTHORIZED: 1,
     PROVISIONAL: 2,
+    EPHEMERAL: 3,
   },
   NotificationAndroidPriority: {
     PRIORITY_MIN: -2,