From 929f0e90accffa720978087fbca4bef05a028ec3 Mon Sep 17 00:00:00 2001
From: Hiroyasu Nishiyama <hiroyasu.nishiyama.uq@hitachi.com>
Date: Tue, 14 Feb 2023 20:49:43 +0900
Subject: [PATCH] add empty marker to group

---
 .../@node-red/editor-client/src/js/ui/tab-info-outliner.js     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info-outliner.js b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info-outliner.js
index 32491f297..760840133 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info-outliner.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info-outliner.js
@@ -613,6 +613,9 @@ RED.sidebar.info.outliner = (function() {
                 objects[n.id].children = missingParents[n.id];
                 delete missingParents[n.id]
             }
+            if (objects[n.id].children.length === 0) {
+                objects[n.id].children.push(getEmptyItem(n.id));
+            }
         }
         var parent = n.g||n.z||"__global__";