From 9af7357ca41f68b73046c1a69dde1af2de1090eb Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Mon, 27 Dec 2021 12:03:18 +0000
Subject: [PATCH] Avoid adding empty env properties to tabs/groups Fixes #3306

---
 .../editor-client/src/js/ui/editors/panes/envVarProperties.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/envVarProperties.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/envVarProperties.js
index fb1d89b3f..b004662be 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/envVarProperties.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/envVarProperties.js
@@ -55,7 +55,9 @@
                         }
                     });
                 }
-                if (!isSameObj(old_env, new_env)) {
+                if (!old_env && new_env.length === 0) {
+                    delete node.env;
+                } else if (!isSameObj(old_env, new_env)) {
                     editState.changes.env = node.env;
                     if (new_env.length === 0) {
                         delete node.env;