From e6ed05270656379db60d56fa67afa0e132421a96 Mon Sep 17 00:00:00 2001
From: Maciej Korzepa <s151350@student.dtu.dk>
Date: Tue, 26 Sep 2017 14:25:00 +0200
Subject: [PATCH] fix: on changes update

---
 lib/base-lineage-plot/base-lineage-plot.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/base-lineage-plot/base-lineage-plot.js b/lib/base-lineage-plot/base-lineage-plot.js
index 13ca250..af8f117 100644
--- a/lib/base-lineage-plot/base-lineage-plot.js
+++ b/lib/base-lineage-plot/base-lineage-plot.js
@@ -78,6 +78,7 @@ class BaseLineagePlotController {
     $onChanges(changes) {
         if ((changes.plotData && changes.plotData.currentValue) ||
             (changes.plotLayout && changes.plotLayout.currentValue)) {
+            if (this.plotData === undefined || this.plotLayout === undefined) return;
             this.initializeData();
             this.render();
         }