From 7af43a192447faeb3bd0b420db8cfcc50c58eb02 Mon Sep 17 00:00:00 2001
From: andreiggr <andrei.ggr@gmail.com>
Date: Tue, 13 Sep 2022 10:53:21 +0300
Subject: [PATCH] add new prop to non-extensible obj

---
 src/localconfig.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/localconfig.js b/src/localconfig.js
index a823e32..8636a3b 100644
--- a/src/localconfig.js
+++ b/src/localconfig.js
@@ -153,6 +153,8 @@ export function applyConfig(config) {
     ...(config.viewlets || []),
   ];
 
+  Object.preventExtensions(config);
+
   config.settings.plotlyCustomColors = [
     {
       title: 'Forest Default',