From d1aff9acf0cd76bbabbab60d1104a2ac8f94d01a Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Sat, 23 Apr 2016 09:35:39 -0700
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20require=20nodes=20on=20creation?=
 =?UTF-8?q?.?=
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---
 src/simulation.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/simulation.js b/src/simulation.js
index 2805bf0..ba32a40 100644
--- a/src/simulation.js
+++ b/src/simulation.js
@@ -66,7 +66,7 @@ export default function(nodes) {
     force(alpha);
   }
 
-  initializeNodes();
+  if (nodes) initializeNodes();
 
   return simulation = {
     start: start,