From e1dfb6f6c0ebb8e5f6a7ccb660beb82b5ebfdbdf Mon Sep 17 00:00:00 2001
From: David A Kondrad <david.a.kondrad@jci.com>
Date: Thu, 12 Dec 2019 15:11:04 -0500
Subject: [PATCH] event handler: check validity of dynamic event

---
 .../compile/render_dom/wrappers/Element/EventHandler.ts         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/compile/render_dom/wrappers/Element/EventHandler.ts b/src/compiler/compile/render_dom/wrappers/Element/EventHandler.ts
index 75fa17db2f..c5eaca0f54 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/EventHandler.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/EventHandler.ts
@@ -30,7 +30,7 @@ export default class EventHandlerWrapper {
 
 		if (this.node.reassigned) {
 			block.maintain_context = true;
-			return x`function () { ${snippet}.apply(this, arguments); }`;
+			return x`function () { if( @is_function(${snippet}) ) ${snippet}.apply(this, arguments); }`;
 		}
 		return snippet;
 	}