From 2b6406eb3e5facbb1ed4a8982d5c8a76505d94ae Mon Sep 17 00:00:00 2001
From: ruchika-narang <ruchika_narang@persistent.com>
Date: Fri, 10 Jun 2022 13:30:32 +0000
Subject: [PATCH] Undefined checks for value options

Signed-off-by: ruchika-narang <ruchika_narang@persistent.com>
---
 .../explorer/visualizations/config_panel/config_panel.tsx     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dashboards-observability/public/components/event_analytics/explorer/visualizations/config_panel/config_panel.tsx b/dashboards-observability/public/components/event_analytics/explorer/visualizations/config_panel/config_panel.tsx
index e270d027a..5a6662314 100644
--- a/dashboards-observability/public/components/event_analytics/explorer/visualizations/config_panel/config_panel.tsx
+++ b/dashboards-observability/public/components/event_analytics/explorer/visualizations/config_panel/config_panel.tsx
@@ -73,9 +73,9 @@ export const ConfigPanel = ({ visualizations, setCurVisId, callback, changeIsVal
     const [valueField] = data.defaultAxes?.yaxis ?? [];
     if (curVisId === visChartTypes.TreeMap) {
       chartBasedAxes["childField"] = data.defaultAxes.xaxis ?? [];
-      chartBasedAxes["valueField"] = [valueField];
+      chartBasedAxes["valueField"] = valueField && [valueField];
     } else if(curVisId === visChartTypes.HeatMap){
-      chartBasedAxes["zaxis"] = [valueField];
+      chartBasedAxes["zaxis"] = valueField && [valueField];
     } else {
       chartBasedAxes = { ...data.defaultAxes };
     }