From f3fb1c98ce377a1ad4c198ff95e7096807900829 Mon Sep 17 00:00:00 2001
From: Ahmed O <aomra015@gmail.com>
Date: Sat, 6 Jun 2015 14:21:28 -0400
Subject: [PATCH] use explicit observers

---
 addon/components/ember-chart.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/addon/components/ember-chart.js b/addon/components/ember-chart.js
index 2d95d15..1ce3974 100644
--- a/addon/components/ember-chart.js
+++ b/addon/components/ember-chart.js
@@ -20,6 +20,8 @@ export default Ember.Component.extend({
     }
 
     this.set('chart', chart);
+    this.addObserver('data.[]', this.updateChart);
+    this.addObserver('options', this.updateChart);
   },
 
   willDestroyElement: function(){
@@ -28,9 +30,11 @@ export default Ember.Component.extend({
     }
 
     this.get('chart').destroy();
+    this.removeObserver('data.[]', this.updateChart);
+    this.removeObserver('options', this.updateChart);
   },
 
-  updateChart: Ember.observer('data', 'data.[]', 'options', function(){
+  updateChart: function(){
     var chart = this.get('chart');
     var data = this.get('data');
     var redraw = ChartDataUpdater.create({
@@ -44,5 +48,5 @@ export default Ember.Component.extend({
     } else {
       chart.update();
     }
-  })
+  }
 });