fix: guard against destroyed editor in RichTextMessageEditor

client/src/shared/ui/RichTextMessageEditor.tsx

@@ -30,18 +30,19 @@ export function RichTextMessageEditor({
     content: initialContent,
     editable: !disabled,
     onUpdate: ({ editor: tiptap }) => {
+      if (tiptap.isDestroyed) return
       const plainText = tiptap.getText().trim()
       onChange(plainText ? tiptap.getHTML() : '')
     },
   })
 
   useEffect(() => {
-    if (!editor) return
+    if (!editor || editor.isDestroyed) return
     editor.setEditable(!disabled)
   }, [disabled, editor])
 
   useEffect(() => {
-    if (!editor) return
+    if (!editor || editor.isDestroyed) return
     const normalizedValue = value.trim() ? value : '<p></p>'
     if (editor.getHTML() === normalizedValue) return
     editor.commands.setContent(normalizedValue, { emitUpdate: false })
@@ -52,8 +53,8 @@ export function RichTextMessageEditor({
       <Stack direction="row" spacing={0.5} sx={{ p: 0.75, borderBottom: 1, borderColor: 'divider' }}>
         <IconButton
           size="small"
-          onClick={() => editor?.chain().focus().toggleBold().run()}
-          color={editor?.isActive('bold') ? 'primary' : 'default'}
+          onClick={() => editor?.chain()?.focus().toggleBold().run()}
+          color={editor && !editor.isDestroyed && editor.isActive('bold') ? 'primary' : 'default'}
           disabled={disabled}
           aria-label="Жирный"
         >
@@ -61,8 +62,8 @@ export function RichTextMessageEditor({
         </IconButton>
         <IconButton
           size="small"
-          onClick={() => editor?.chain().focus().toggleItalic().run()}
-          color={editor?.isActive('italic') ? 'primary' : 'default'}
+          onClick={() => editor?.chain()?.focus().toggleItalic().run()}
+          color={editor && !editor.isDestroyed && editor.isActive('italic') ? 'primary' : 'default'}
           disabled={disabled}
           aria-label="Курсив"
         >
@@ -70,8 +71,8 @@ export function RichTextMessageEditor({
         </IconButton>
         <IconButton
           size="small"
-          onClick={() => editor?.chain().focus().toggleBulletList().run()}
-          color={editor?.isActive('bulletList') ? 'primary' : 'default'}
+          onClick={() => editor?.chain()?.focus().toggleBulletList().run()}
+          color={editor && !editor.isDestroyed && editor.isActive('bulletList') ? 'primary' : 'default'}
           disabled={disabled}
           aria-label="Список"
         >