fix: restore block menu delete undo

rust/spikes/leptos-tiptap-spike/src/lib.rs

@@ -5748,60 +5748,6 @@ fn turn_into_block(node: &Value, action: SlashActionKind) -> Value {
     }
 }
 
-fn duplicate_top_level_block(document: &mut Value, index: usize) -> Result<(), String> {
-    let content = document_content_mut(document)?;
-    let block = content
-        .get(index)
-        .cloned()
-        .ok_or_else(|| format!("找不到第 {index} 个块"))?;
-    content.insert(index + 1, block);
-    Ok(())
-}
-
-fn delete_top_level_block(document: &mut Value, index: usize) -> Result<(), String> {
-    let content = document_content_mut(document)?;
-    if index >= content.len() {
-        return Err(format!("找不到第 {index} 个块"));
-    }
-
-    if content.len() == 1 {
-        content[0] = paragraph_node(Vec::new());
-        return Ok(());
-    }
-
-    content.remove(index);
-    Ok(())
-}
-
-fn reorder_top_level_block(
-    document: &mut Value,
-    source: usize,
-    target: usize,
-    placement: DropPlacement,
-) -> Result<(), String> {
-    let content = document_content_mut(document)?;
-    if source >= content.len() || target >= content.len() {
-        return Err("拖拽目标超出当前顶层块范围".to_string());
-    }
-
-    let block = content.remove(source);
-    let mut insert_at = match placement {
-        DropPlacement::Before => target,
-        DropPlacement::After => target + 1,
-    };
-
-    if source < insert_at {
-        insert_at = insert_at.saturating_sub(1);
-    }
-
-    if insert_at > content.len() {
-        insert_at = content.len();
-    }
-
-    content.insert(insert_at, block);
-    Ok(())
-}
-
 fn replace_top_level_block_kind(
     document: &mut Value,
     index: usize,
@@ -10164,6 +10110,7 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                                                                                         set_block_menu_open.set(false);
                                                                                         set_block_menu_anchor.set(None);
                                                                                         set_hovered_block.set(None);
+                                                                                        let _ = editor.focus();
                                                                                     }
                                                                                     Err(err) => set_command_feedback.set(err),
                                                                                 }