From c5276cca6cbf79119932da11193eb83c607e0788 Mon Sep 17 00:00:00 2001
From: Lea Anthony <lea.anthony@gmail.com>
Date: Tue, 19 Mar 2019 08:20:45 +1100
Subject: [PATCH] fix: convert js nulls to Go zero values

---
 binding_function.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/binding_function.go b/binding_function.go
index f459fb8bb..6b33c38e4 100644
--- a/binding_function.go
+++ b/binding_function.go
@@ -153,8 +153,11 @@ func (b *boundFunction) setInputValue(index int, typ reflect.Type, val interface
 		}
 	}()
 
-	// Do the conversion
-	result = reflect.ValueOf(val).Convert(typ)
-
+	// Translate javascript null values
+	if val == nil {
+		result = reflect.Zero(typ)
+	} else {
+		result = reflect.ValueOf(val).Convert(typ)
+	}
 	return result, err
 }