From febdd6ac3304f10a660d70c3f3144cb992276c8b Mon Sep 17 00:00:00 2001
From: Martin Probst <martin.probst@medx.net>
Date: Fri, 7 Oct 2016 14:15:46 +0200
Subject: [PATCH] fix: crash on getDateOfBirth() if not entered into healthkit
 yet

---
 .../RCTAppleHealthKit+Methods_Characteristic.m            | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Characteristic.m b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Characteristic.m
index 2bd48ac..358bc75 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Characteristic.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Characteristic.m
@@ -55,6 +55,14 @@
         callback(@[RCTMakeError(@"error getting date of birth", error, nil)]);
         return;
     }
+    if(dob == nil) {
+        NSDictionary *response = @{
+                                   @"value" : [NSNull null],
+                                   @"age" : [NSNull null]
+                                   };
+        callback(@[[NSNull null], response]);
+        return;
+    }
 
     NSString *dobString = [RCTAppleHealthKit buildISO8601StringFromDate:dob];
 
-- 
2.26.2