fix editorjs error when the textarea is empty

CHANGELOG.md

@@ -4,6 +4,7 @@
 * add allowed chars in RouteParameterSlugify and CodeSlugify
 ### Fixed
 * fix creation of new element when a menu is edited
+* fix editorjs error when the textarea is empty
 ### Changed
 
 ## [1.14.0] - 2022-04-20

src/core/Resources/assets/js/modules/editorjs.js

@@ -147,9 +147,24 @@ const doInitEditor = () => {
     editorContainer.attr('id', id)
     element.hide()
 
+    let data = []
+
+    try {
+      const value = JSON.parse(element.val())
+
+      if (Array.isArray(value)) {
+        data = value
+      }
+    } catch (e) {
+    }
+
+    if (!Array.isArray(data)) {
+      data = []
+    }
+
     const editor = new EditorJS(buildConfiguration({
       holder: id,
-      data: JSON.parse(element.val()),
+      data: data,
       onReady: () => {
         ready = true
       }