fix: creating document from slash menu leaves text behind

lib/src/editor/editor_component/service/shortcuts/character/slash_command.dart

@@ -23,6 +23,7 @@ final CharacterShortcutEvent slashCommand = CharacterShortcutEvent(
 CharacterShortcutEvent customSlashCommand(
   List<SelectionMenuItem> items, {
   bool shouldInsertSlash = true,
+  bool deleteKeywordsByDefault = false,
   bool singleColumn = true,
   SelectionMenuStyle style = SelectionMenuStyle.light,
 }) {
@@ -33,6 +34,7 @@ CharacterShortcutEvent customSlashCommand(
       editorState,
       items,
       shouldInsertSlash: shouldInsertSlash,
+      deleteKeywordsByDefault: deleteKeywordsByDefault,
       singleColumn: singleColumn,
       style: style,
     ),
@@ -54,6 +56,7 @@ Future<bool> _showSlashMenu(
   List<SelectionMenuItem> items, {
   bool shouldInsertSlash = true,
   bool singleColumn = true,
+  bool deleteKeywordsByDefault = false,
   SelectionMenuStyle style = SelectionMenuStyle.light,
 }) async {
   if (PlatformExtension.isMobile) {
@@ -98,6 +101,7 @@ Future<bool> _showSlashMenu(
       editorState: editorState,
       selectionMenuItems: items,
       deleteSlashByDefault: shouldInsertSlash,
+      deleteKeywordsByDefault: deleteKeywordsByDefault,
       singleColumn: singleColumn,
       style: style,
     );

lib/src/editor/selection_menu/selection_menu_service.dart

@@ -20,6 +20,7 @@ class SelectionMenu extends SelectionMenuService {
     required this.editorState,
     required this.selectionMenuItems,
     this.deleteSlashByDefault = true,
+    this.deleteKeywordsByDefault = false,
     this.style = SelectionMenuStyle.light,
     this.itemCountFilter = 0,
     this.singleColumn = false,
@@ -29,7 +30,9 @@ class SelectionMenu extends SelectionMenuService {
   final EditorState editorState;
   final List<SelectionMenuItem> selectionMenuItems;
   final bool deleteSlashByDefault;
+  final bool deleteKeywordsByDefault;
   final bool singleColumn;
+
   @override
   final SelectionMenuStyle style;
 
@@ -110,6 +113,7 @@ class SelectionMenu extends SelectionMenuService {
                       items: selectionMenuItems
                         ..forEach((element) {
                           element.deleteSlash = deleteSlashByDefault;
+                          element.deleteKeywords = deleteKeywordsByDefault;
                           element.onSelected = () {
                             dismiss();
                           };

lib/src/editor/selection_menu/selection_menu_widget.dart

@@ -25,9 +25,11 @@
     required this.keywords,
     required SelectionMenuItemHandler handler,
     this.nameBuilder,
+    this.deleteKeywords = false,
+    this.deleteSlash = true,
   }) : _getName = getName {
     this.handler = (editorState, menuService, context) {
-      if (deleteSlash) {
+      if (deleteSlash || deleteKeywords) {
         _deleteSlash(editorState);
       }
 
@@ -55,7 +57,8 @@
 
   VoidCallback? onSelected;
 
-  bool deleteSlash = true;
+  bool deleteSlash;
+  bool deleteKeywords;
 
   void _deleteSlash(EditorState editorState) {
     final selection = editorState.selection;
@@ -68,14 +71,20 @@
       return;
     }
     final end = selection.start.offset;
-    final lastSlashIndex =
-        delta.toPlainText().substring(0, end).lastIndexOf('/');
+    int deletedIndex = 0;
+
+    if (deleteKeywords) {
+      deletedIndex = 0;
+    } else if (deleteSlash) {
+      deletedIndex = delta.toPlainText().substring(0, end).lastIndexOf('/');
+    }
+
     // delete all the texts after '/' along with '/'
     final transaction = editorState.transaction
       ..deleteText(
         node,
-        lastSlashIndex,
-        end - lastSlashIndex,
+        deletedIndex,
+        end - deletedIndex,
       );
 
     editorState.apply(transaction);
@@ -593,12 +602,12 @@
       return;
     }
     widget.onSelectionUpdate();
-    final transaction = widget.editorState.transaction
-      ..insertText(
-        node,
-        selection.end.offset,
-        text,
-      );
+    final transaction = widget.editorState.transaction;
+    transaction.insertText(
+      node,
+      selection.end.offset,
+      text,
+    );
     widget.editorState.apply(transaction);
   }
 }