From 6f6f67829be75fa41a081dc80093d69af7f587ed Mon Sep 17 00:00:00 2001
From: Hiroyasu Nishiyama <hiroyasu.nishiyama.uq@hitachi.com>
Date: Mon, 13 Jun 2022 14:12:04 +0900
Subject: [PATCH] fix undoing junction to subflow

---
 .../@node-red/editor-client/src/js/history.js         | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/history.js b/packages/node_modules/@node-red/editor-client/src/js/history.js
index f900276a0..b23071239 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/history.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/history.js
@@ -22,6 +22,14 @@ RED.history = (function() {
     var undoHistory = [];
     var redoHistory = [];
 
+    function nodeOrJunction(id) {
+        var node = RED.nodes.node(id);
+        if (node) {
+            return node;
+        }
+        return RED.nodes.junction(id);
+    }
+
     function undoEvent(ev) {
         var i;
         var len;
@@ -514,6 +522,7 @@ RED.history = (function() {
                     var z = ev.activeWorkspace;
                     var fullNodeList = RED.nodes.filterNodes({z:ev.subflow.subflow.id});
                     fullNodeList = fullNodeList.concat(RED.nodes.groups(ev.subflow.subflow.id))
+                    fullNodeList = fullNodeList.concat(RED.nodes.junctions(ev.subflow.subflow.id))
                     fullNodeList.forEach(function(n) {
                         n.x += ev.subflow.offsetX;
                         n.y += ev.subflow.offsetY;
@@ -523,7 +532,7 @@ RED.history = (function() {
                     });
                     inverseEv.subflows = [];
                     for (i=0;i<ev.nodes.length;i++) {
-                        inverseEv.subflows.push(RED.nodes.node(ev.nodes[i]));
+                        inverseEv.subflows.push(nodeOrJunction(ev.nodes[i]));
                         RED.nodes.remove(ev.nodes[i]);
                     }
                 }