From df8b5f30acab52da28f0f55e32303a58d4436bdd Mon Sep 17 00:00:00 2001
From: Riyaz <ahmed.riyaz94@gmail.com>
Date: Thu, 13 Jul 2017 18:24:29 +0530
Subject: [PATCH] included delete instantce function in ios

---
 ios/RNFIRMessaging.h |  2 +-
 ios/RNFIRMessaging.m | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/ios/RNFIRMessaging.h b/ios/RNFIRMessaging.h
index 9f741a2..52637da 100644
--- a/ios/RNFIRMessaging.h
+++ b/ios/RNFIRMessaging.h
@@ -3,7 +3,7 @@
 
 #import <FirebaseCore/FIRApp.h>
 #import <FirebaseMessaging/FirebaseMessaging.h>
-
+#import <FirebaseInstanceID/FirebaseInstanceID.h>
 #import <React/RCTEventEmitter.h>
 
 @import UserNotifications;
diff --git a/ios/RNFIRMessaging.m b/ios/RNFIRMessaging.m
index 1653b9b..94cc0bd 100644
--- a/ios/RNFIRMessaging.m
+++ b/ios/RNFIRMessaging.m
@@ -231,6 +231,18 @@ RCT_EXPORT_METHOD(getFCMToken:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromi
     resolve([FIRMessaging messaging].FCMToken);
 }
 
+RCT_EXPORT_METHOD(deleteInstanceId:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
+{
+  [[FIRInstanceID instanceID]deleteIDWithHandler:^(NSError * _Nullable error) {
+    
+    if (error != nil) {
+      reject([NSString stringWithFormat:@"%ld",error.code],error.localizedDescription,error);
+    } else {
+      resolve(NULL);
+    }
+  }];
+}
+
 - (void)messaging:(nonnull FIRMessaging *)messaging didRefreshRegistrationToken:(nonnull NSString *)fcmToken {
     [self sendEventWithName:FCMTokenRefreshed body:fcmToken];
 }
-- 
2.26.2