[lexical-website][lexical-react] Documentation Update: documentation …

…for LexicalTreeView plugin (#6898)

packages/lexical-react/src/LexicalTreeView.tsx

@@ -18,13 +18,31 @@ import {mergeRegister} from '@lexical/utils';
 import * as React from 'react';
 import {useEffect, useState} from 'react';
 
+/**
+ * TreeView is a React component that provides a visual representation of
+ * the Lexical editor's state and enables debugging features like time travel
+ * and custom tree node rendering.
+ *
+ * @param {Object} props - The properties passed to the TreeView component.
+ * @param {LexicalEditor} props.editor - The Lexical editor instance to be visualized and debugged.
+ * @param {string} [props.treeTypeButtonClassName] - Custom class name for the tree type toggle button.
+ * @param {string} [props.timeTravelButtonClassName] - Custom class name for the time travel toggle button.
+ * @param {string} [props.timeTravelPanelButtonClassName] - Custom class name for buttons inside the time travel panel.
+ * @param {string} [props.timeTravelPanelClassName] - Custom class name for the overall time travel panel container.
+ * @param {string} [props.timeTravelPanelSliderClassName] - Custom class name for the time travel slider in the panel.
+ * @param {string} [props.viewClassName] - Custom class name for the tree view container.
+ * @param {CustomPrintNodeFn} [props.customPrintNode] - A function for customizing the display of nodes in the tree.
+ *
+ * @returns {JSX.Element} - A React element that visualizes the editor's state and supports debugging interactions.
+ */
+
 export function TreeView({
   treeTypeButtonClassName,
   timeTravelButtonClassName,
   timeTravelPanelSliderClassName,
   timeTravelPanelButtonClassName,
-  viewClassName,
   timeTravelPanelClassName,
+  viewClassName,
   editor,
   customPrintNode,
 }: {
@@ -38,13 +56,15 @@ export function TreeView({
   customPrintNode?: CustomPrintNodeFn;
 }): JSX.Element {
   const treeElementRef = React.createRef<HTMLPreElement>();
+
   const [editorCurrentState, setEditorCurrentState] = useState<EditorState>(
     editor.getEditorState(),
   );
 
   const commandsLog = useLexicalCommandsLog(editor);
 
   useEffect(() => {
+    // Registers listeners to update the tree view when the editor state changes
     return mergeRegister(
       editor.registerUpdateListener(({editorState}) => {
         setEditorCurrentState(editorState);
@@ -59,16 +79,23 @@ export function TreeView({
     const element = treeElementRef.current;
 
     if (element !== null) {
-      // @ts-ignore Internal field
+      // Assigns the editor instance to the tree view DOM element for internal tracking
+      // @ts-ignore Internal field used by Lexical
       element.__lexicalEditor = editor;
 
       return () => {
-        // @ts-ignore Internal field
+        // Cleans up the reference when the component is unmounted
+        // @ts-ignore Internal field used by Lexical
         element.__lexicalEditor = null;
       };
     }
   }, [editor, treeElementRef]);
 
+  /**
+   * Handles toggling the readonly state of the editor.
+   *
+   * @param {boolean} isReadonly - Whether the editor should be set to readonly.
+   */
   const handleEditorReadOnly = (isReadonly: boolean) => {
     const rootElement = editor.getRootElement();
     if (rootElement == null) {
@@ -90,6 +117,7 @@ export function TreeView({
       editorState={editorCurrentState}
       setEditorState={(state) => editor.setEditorState(state)}
       generateContent={async function (exportDOM) {
+        // Generates the content for the tree view, allowing customization with exportDOM and customPrintNode
         return generateContent(editor, commandsLog, exportDOM, customPrintNode);
       }}
       ref={treeElementRef}