[ios] Add hasPermission method

lib/modules/messaging/index.js

@@ -13,28 +13,29 @@ import type App from '../core/firebase-app';
 
 type Notification = {
   body: string,
-  bodyLocalizationArgs: string[],
-  bodyLocalizationKey: string,
-  clickAction: string,
-  color: string,
-  icon: string,
-  link: string,
+  bodyLocalizationArgs?: string[],
+  bodyLocalizationKey?: string,
+  clickAction?: string,
+  color?: string,
+  icon?: string,
+  link?: string,
   sound: string,
-  tag: string,
+  subtitle?: string,
+  tag?: string,
   title: string,
-  titleLocalizationArgs: string[],
-  titleLocalizationKey: string,
+  titleLocalizationArgs?: string[],
+  titleLocalizationKey?: string,
 };
 
 type Message = {
-  collapseKey: string,
+  collapseKey?: string,
   data: { [string]: string },
-  from: string,
+  from?: string,
   messageId: string,
   messageType?: string,
   openedFromTray: boolean,
   notification?: Notification,
-  sentTime: number,
+  sentTime?: number,
   to?: string,
   ttl?: number,
 };
@@ -54,7 +55,7 @@ type OnTokenRefreshObserver = {
 type RemoteMessage = {
   collapseKey?: string,
   data: { [string]: string },
-  messageId?: string,
+  messageId: string,
   messageType?: string,
   to: string,
   ttl: number,
@@ -164,6 +165,10 @@ export default class Messaging extends ModuleBase {
     return getNativeModule(this).getInitialMessage();
   }
 
+  hasPermission(): Promise<boolean> {
+    return getNativeModule(this).hasPermission();
+  }
+
   sendMessage(remoteMessage: RemoteMessage): Promise<void> {
     return getNativeModule(this).send(remoteMessage);
   }