X-Git-Url: https://git.yukkurigames.com/?p=enjoyable.git;a=blobdiff_plain;f=NJOutputKeyPress.m;h=622cf41083d21d58195099567e0e5d81c777459d;hp=c2000d87302412c3816da278853e4e5d427e6a20;hb=56d825ba259066d847a9fc3f9c8c0c0a362a1507;hpb=dcedf147ddcb6c21768cea94a2f06b93007d2a82

diff --git a/NJOutputKeyPress.m b/NJOutputKeyPress.m
index c2000d8..622cf41 100644
--- a/NJOutputKeyPress.m
+++ b/NJOutputKeyPress.m
@@ -12,11 +12,13 @@
 @implementation NJOutputKeyPress
 
 + (NSString *)serializationCode {
-    return @"key";
+    return @"key press";
 }
 
 - (NSDictionary *)serialize {
-    return @{ @"type": @"key press", @"key": @(_vk) };
+    return _vk != NJKeyInputFieldEmpty
+        ? @{ @"type": self.class.serializationCode, @"key": @(_vk) }
+        : nil;
 }
 
 + (NJOutput *)outputDeserialize:(NSDictionary *)serialization