From b78d8a150d2f5d88a921cc11de2f3ffea0255e84 Mon Sep 17 00:00:00 2001
From: James Reggio <james.reggio@gmail.com>
Date: Thu, 16 Nov 2017 16:58:30 -0500
Subject: [PATCH] Avoid placing nil value into NSDictionary in downloader

---
 RNFSManager.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/RNFSManager.m b/RNFSManager.m
index 613082f..5e733d6 100755
--- a/RNFSManager.m
+++ b/RNFSManager.m
@@ -463,7 +463,7 @@ RCT_EXPORT_METHOD(downloadFile:(NSDictionary *)options
                                                  body:@{@"jobId": jobId,
                                                         @"statusCode": statusCode,
                                                         @"contentLength": contentLength,
-                                                        @"headers": headers}];
+                                                        @"headers": headers || [NSNull null]}];
   };
 
   params.progressCallback = ^(NSNumber* contentLength, NSNumber* bytesWritten) {