out.diffg

commit 6c29a9b1835c820ab0abfd5e8c9c86d399d272b5
Author: Jeff Palm <jeffpalm@gmail.com>
Date:   Sun Jan 27 14:18:03 2019 -0500

    Add failure callback on decoding failure

diff --git a/ios/RNReactNativeSharingWinstagram.m b/ios/RNReactNativeSharingWinstagram.m
index 1607079..03814de 100644
--- a/ios/RNReactNativeSharingWinstagram.m
+++ b/ios/RNReactNativeSharingWinstagram.m
@@ -41,6 +41,10 @@ - (NSDictionary *)constantsToExport {
     UIImage *image = [UIImage imageWithData: [[NSData alloc]initWithBase64EncodedString:base64Image options:NSDataBase64DecodingIgnoreUnknownCharacters]];
 
     if (!image) {
+        NSString *errorMessage = @"Decoding error";
+        NSDictionary *userInfo = @{NSLocalizedFailureReasonErrorKey: NSLocalizedString(errorMessage, nil)};
+        NSError *error = [NSError errorWithDomain:@"com.rnshare" code:1 userInfo:userInfo];
+        failureCallback(error);      
         return;
     }