From cf782b73983f322a73c6108c31e6af6fbf5462e6 Mon Sep 17 00:00:00 2001
From: Stefan Korn <drupal@stefan-korn.de>
Date: Thu, 22 Feb 2024 18:28:51 +0100
Subject: [PATCH] #4132: Provide text_format render element - fix warning

---
 modules/json_form_widget/src/WidgetRouter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/json_form_widget/src/WidgetRouter.php b/modules/json_form_widget/src/WidgetRouter.php
index ac8391d7e7..7f45cf82bf 100644
--- a/modules/json_form_widget/src/WidgetRouter.php
+++ b/modules/json_form_widget/src/WidgetRouter.php
@@ -307,7 +307,7 @@ public function handleUploadOrLinkElement($spec, array $element) {
    */
   public function handleTextareaElement($spec, array $element) {
     $element['#type'] = 'textarea';
-    if ($spec->text_format) {
+    if (isset($spec->text_format)) {
       $element['#type'] = 'text_format';
       $element['#format'] = $spec->text_format;
       $element['#allowed_formats'] = [