i18n and rtl examples updated

example/example-i18n.html

@@ -50,7 +50,6 @@
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/image@latest"></script><!-- Image -->
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/delimiter@latest"></script><!-- Delimiter -->
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/list@latest"></script><!-- List -->
-<script src="https://cdn.jsdelivr.net/npm/@editorjs/checklist@latest"></script><!-- Checklist -->
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/quote@latest"></script><!-- Quote -->
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/code@latest"></script><!-- Code -->
 <script src="https://cdn.jsdelivr.net/npm/@editorjs/embed@latest"></script><!-- Embed -->
@@ -112,11 +111,6 @@
         shortcut: 'CMD+SHIFT+L'
       },
 
-      checklist: {
-        class: Checklist,
-        inlineToolbar: true,
-      },
-
       quote: {
         class: Quote,
         inlineToolbar: true,
@@ -202,7 +196,7 @@
             /**
              * Translation of "Convert To"  at the Block Tunes Popover
              */
-            "Convert to": "Конвертировать в"
+            "Convert to": "Конвертировать в",
           }
         },
 
@@ -212,7 +206,8 @@
         "toolNames": {
           "Text": "Параграф",
           "Heading": "Заголовок",
-          "List": "Список",
+          "Ordered List": "Нумерованный список",
+          "Unordered List": "Маркированный список",
           "Warning": "Примечание",
           "Checklist": "Чеклист",
           "Quote": "Цитата",
@@ -270,7 +265,12 @@
             "Wrong response format from the server": "Неполадки на сервере",
           },
           "header": {
-            "Header": "Заголовок",
+            "Heading 1": "Заголовок 1",
+            "Heading 2": "Заголовок 2",
+            "Heading 3": "Заголовок 3",
+            "Heading 4": "Заголовок 4",
+            "Heading 5": "Заголовок 5",
+            "Heading 6": "Заголовок 6",
           },
           "paragraph": {
             "Enter something": "Введите текст"
@@ -278,6 +278,7 @@
           "list": {
             "Ordered": "Нумерованный",
             "Unordered": "Маркированный",
+            "Checklist": "Чеклист",
           },
           /**
            * Translation of "Convert To"  at the Inline Toolbar hint
@@ -298,7 +299,8 @@
            * Also, there are few internal block tunes: "delete", "moveUp" and "moveDown"
            */
           "delete": {
-            "Delete": "Удалить"
+            "Delete": "Удалить",
+            "Click to delete": "Подтвердить удаление"
           },
           "moveUp": {
             "Move up": "Переместить вверх"

example/example-rtl.html

@@ -120,12 +120,6 @@
         inlineToolbar: ['link'],
       },
 
-      list: {
-        class: List,
-        inlineToolbar: true,
-        shortcut: 'CMD+SHIFT+L'
-      },
-
       checklist: {
         class: Checklist,
         inlineToolbar: true,

src/components/dom.ts

@@ -623,6 +623,9 @@ export default class Dom {
 
     /**
      * If no node found or last node is empty, return null
+     * - The root node has no text nodes at all
+     * - The TreeWalker couldn't find any text nodes in the DOM tree
+     * - The root node itself is null or invalid
      */
     if (!lastTextNode) {
       return {
@@ -633,6 +636,14 @@ export default class Dom {
 
     const textContent = lastTextNode.textContent;
 
+    /**
+     * - The text node exists but has no content (textContent is null)
+     * - The text node exists but has empty content (textContent.length === 0)
+     * This could be due to:
+     * - Empty text nodes (<span></span>)
+     * - Nodes with only whitespace
+     * - Nodes that were cleared but not removed
+     */
     if (textContent === null || textContent.length === 0) {
       return {
         node: null,