From 1974aa5277c28150463e6d31135b091818291112 Mon Sep 17 00:00:00 2001
From: wycats <wycats@gmail.com>
Date: Wed, 29 Dec 2010 19:23:23 -0800
Subject: [PATCH] If the partial is not found, an exception should be thrown

---
 lib/handlebars/vm.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/handlebars/vm.js b/lib/handlebars/vm.js
index f67277e6..17c03109 100644
--- a/lib/handlebars/vm.js
+++ b/lib/handlebars/vm.js
@@ -615,7 +615,9 @@ Handlebars.VM = {
     return new Handlebars.JavaScriptCompiler().compile(environment);
   },
   invokePartial: function(partial, name, context, helpers, partials) {
-    if(partial instanceof Function) {
+    if(partial === undefined) {
+      throw new Handlebars.Exception("The partial " + name + " could not be found");
+    } else if(partial instanceof Function) {
       return partial(context, helpers, partials);
     } else {
       partials[name] = Handlebars.VM.compile(partial);