From 14e29f91cc2275411004e2a6674e9ef83d27e493 Mon Sep 17 00:00:00 2001
From: Markus Grigull <web@grigull.me>
Date: Fri, 9 Oct 2015 12:31:42 +0200
Subject: [PATCH] Fix live update while switching entities

---
 app/components/line-chart.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/components/line-chart.js b/app/components/line-chart.js
index 9de6b5c..0c84e9d 100644
--- a/app/components/line-chart.js
+++ b/app/components/line-chart.js
@@ -23,7 +23,9 @@ export default Ember.Component.extend({
 
   _drawPlot: function() {
     var elementId = this.get('elementId');
-    $.plot('#' + elementId, this.data);
+    if (elementId) {
+      $.plot('#' + elementId, this.data);
+    }
 
     Ember.run.later(this, function() {
       this._drawPlot();