From 8fb36ef6cf038967e997b3fa90db90294d133083 Mon Sep 17 00:00:00 2001
From: "Peter T. LaComb Jr"
 <41631105+PeterLaComb-Availity@users.noreply.github.com>
Date: Thu, 22 Oct 2020 03:55:46 -0400
Subject: [PATCH] Issue 415: Null target type throws for array expressions
 (#416)

---
 .../Services/JavaScriptExpressionEvaluator.cs                   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/scripting/Elsa.Scripting.JavaScript/Services/JavaScriptExpressionEvaluator.cs b/src/scripting/Elsa.Scripting.JavaScript/Services/JavaScriptExpressionEvaluator.cs
index da0dd4991..e77ff12e5 100644
--- a/src/scripting/Elsa.Scripting.JavaScript/Services/JavaScriptExpressionEvaluator.cs
+++ b/src/scripting/Elsa.Scripting.JavaScript/Services/JavaScriptExpressionEvaluator.cs
@@ -100,7 +100,7 @@ namespace Elsa.Scripting.JavaScript.Services
             if (value.IsArray())
             {
                 var arrayInstance = value.AsArray();
-                var elementType = targetType.GetElementType() ?? targetType.GenericTypeArguments.First();
+                var elementType = targetType?.GetElementType() ?? targetType?.GenericTypeArguments?.First() ?? typeof(object);
 
                 if (elementType == typeof(byte))
                 {