From ba83be90623a2326284ac0e63edb6c6775e4c368 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Mon, 25 Oct 2021 13:54:42 +0100
Subject: [PATCH] Handle changing types of TypedInput repeatedly Fixes #3222

---
 .../@node-red/editor-client/src/js/ui/common/typedInput.js      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
index 3249a5cbb..9092d4dcf 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
@@ -923,7 +923,7 @@
                     var previousType = this.typeMap[this.propertyType];
                     previousValue = this.input.val();
 
-                    if (this.typeChanged) {
+                    if (previousType && this.typeChanged) {
                         if (this.options.debug) { console.log(this.identifier,"typeChanged",{previousType,previousValue}) }
                         if (previousType.options && opt.hasValue !== true) {
                             this.oldValues[previousType.value] = previousValue;