From b8ad6475e1e5b8d6f72d191b4852ef63b796e656 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Thu, 28 Oct 2021 12:14:34 +0100
Subject: [PATCH] Strip off env property if it is empty - avoid inflated flow
 files

---
 .../node_modules/@node-red/editor-client/src/js/nodes.js     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/nodes.js b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
index 76f544396..a7eea6caf 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/nodes.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
@@ -1097,6 +1097,11 @@ RED.nodes = (function() {
             // Until we know how that can happen, add a filter here to remove them
             node.nodes = node.nodes.filter(function(n) { return !!n }).map(function(n) { return n.id });
         }
+        if (n.type === "tab" || n.type === "group") {
+            if (node.env && node.env.length === 0) {
+                delete node.env;
+            }
+        }
         if (n._def.category != "config") {
             node.x = n.x;
             node.y = n.y;