From 5dcc8f6e4d0df0bf42f9044503c31d31d4d9d2da Mon Sep 17 00:00:00 2001
From: junedchhipa <juned.chhipa@gmail.com>
Date: Thu, 12 Oct 2023 21:29:05 +0530
Subject: [PATCH] add zIndex to updateSeries method

---
 src/modules/helpers/UpdateHelpers.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/modules/helpers/UpdateHelpers.js b/src/modules/helpers/UpdateHelpers.js
index d7ae2d0a6..e3724fa71 100644
--- a/src/modules/helpers/UpdateHelpers.js
+++ b/src/modules/helpers/UpdateHelpers.js
@@ -167,11 +167,12 @@ export default class UpdateHelpers {
 
     return {
       ...w.config.series[i],
-      name: s.name ? s.name : ser && ser.name,
-      color: s.color ? s.color : ser && ser.color,
-      type: s.type ? s.type : ser && ser.type,
-      group: s.group ? s.group : ser && ser.group,
-      data: s.data ? s.data : ser && ser.data,
+      name: s.name ? s.name : ser?.name,
+      color: s.color ? s.color : ser?.color,
+      type: s.type ? s.type : ser?.type,
+      group: s.group ? s.group : ser?.group,
+      data: s.data ? s.data : ser?.data,
+      zIndex: typeof s.zIndex !== 'undefined' ? s.zIndex : i,
     }
   }