From a224b692f753a84e58c90a1ce744d35e7f7b4800 Mon Sep 17 00:00:00 2001
From: GogoVega <92022724+GogoVega@users.noreply.github.com>
Date: Wed, 4 Jun 2025 19:47:47 +0200
Subject: [PATCH] Type guard for null, undefined and empty value

---
 .../@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 1032ab55f..9a1bc030c 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
@@ -523,7 +523,7 @@
                 let filter;
                 if (that.options.node) {
                     let nodeFilter = that.options.node.filter;
-                    if (typeof nodeFilter === "string" || typeof nodeFilter === "object") {
+                    if ((typeof nodeFilter === "string" || typeof nodeFilter === "object") && nodeFilter) {
                         if (!Array.isArray(nodeFilter)) {
                             nodeFilter = [nodeFilter];
                         }