fix: Cannot type on empty document in latest changes

example/lib/home_page.dart

@@ -99,7 +99,9 @@ class _HomePageState extends State<HomePage> {
           }),
           _buildListTile(context, 'With Empty Document', () {
             final jsonString = Future<String>.value(
-              jsonEncode(EditorState.empty().document.toJson()).toString(),
+              jsonEncode(
+                EditorState.blank(withInitialText: true).document.toJson(),
+              ).toString(),
             );
             _loadEditor(context, jsonString);
           }),
@@ -108,7 +110,9 @@ class _HomePageState extends State<HomePage> {
           _buildSeparator(context, 'Text Robot'),
           _buildListTile(context, 'Type Text Automatically', () async {
             final jsonString = Future<String>.value(
-              jsonEncode(EditorState.empty().document.toJson()).toString(),
+              jsonEncode(
+                EditorState.blank(withInitialText: true).document.toJson(),
+              ).toString(),
             );
             await _loadEditor(context, jsonString);
 

lib/src/core/document/document.dart

@@ -1,9 +1,6 @@
 import 'dart:collection';
 
-import 'package:appflowy_editor/src/core/document/attributes.dart';
-import 'package:appflowy_editor/src/core/document/node.dart';
-import 'package:appflowy_editor/src/core/document/path.dart';
-import 'package:appflowy_editor/src/core/document/text_delta.dart';
+import 'package:appflowy_editor/appflowy_editor.dart';
 
 /// [Document] represents a AppFlowy Editor document structure.
 ///
@@ -24,6 +21,7 @@ class Document {
   }
 
   /// Creates a empty document with a single text node.
+  @Deprecated('use Document.blank() instead')
   factory Document.empty() {
     final root = Node(
       type: 'document',
@@ -34,9 +32,10 @@ class Document {
     );
   }
 
-  factory Document.blank() {
+  factory Document.blank({bool withInitialText = false}) {
     final root = Node(
       type: 'document',
+      children: withInitialText ? [paragraphNode()] : [],
     );
     return Document(
       root: root,

lib/src/editor_state.dart

@@ -58,11 +58,20 @@ class EditorState {
     undoManager.state = this;
   }
 
+  @Deprecated('use EditorState.blank() instead')
   EditorState.empty()
       : this(
           document: Document.blank(),
         );
 
+  EditorState.blank({
+    bool withInitialText = true,
+  }) : this(
+          document: Document.blank(
+            withInitialText: withInitialText,
+          ),
+        );
+
   final Document document;
 
   /// Whether the editor is editable.