Add documentation for PostLastRevision, PostLastRevisionCheck, PostLastRevisionPanel components

packages/editor/README.md

@@ -974,15 +974,32 @@ Undocumented declaration.
 
 ### PostLastRevision
 
-Undocumented declaration.
+Renders the component for displaying the last revision of a post.
+
+_Returns_
+
+-   `Component`: The component to be rendered.
 
 ### PostLastRevisionCheck
 
-Undocumented declaration.
+Wrapper component that renders its children if the post has more than one revision.
+
+_Parameters_
+
+-   _props_ `Object`: Props.
+-   _props.children_ `Element`: Children to be rendered.
+
+_Returns_
+
+-   `Component|null`: Rendered child components if post has more than one revision, otherwise null.
 
 ### PostLastRevisionPanel
 
-Undocumented declaration.
+Renders the panel for displaying the last revision of a post.
+
+_Returns_
+
+-   `Component`: The component to be rendered.
 
 ### PostLockedModal
 

packages/editor/src/components/post-last-revision/check.js

@@ -9,6 +9,14 @@ import { useSelect } from '@wordpress/data';
 import PostTypeSupportCheck from '../post-type-support-check';
 import { store as editorStore } from '../../store';
 
+/**
+ * Wrapper component that renders its children if the post has more than one revision.
+ *
+ * @param {Object}  props          Props.
+ * @param {Element} props.children Children to be rendered.
+ *
+ * @return {Component|null} Rendered child components if post has more than one revision, otherwise null.
+ */
 function PostLastRevisionCheck( { children } ) {
 	const { lastRevisionId, revisionsCount } = useSelect( ( select ) => {
 		const { getCurrentPostLastRevisionId, getCurrentPostRevisionsCount } =

packages/editor/src/components/post-last-revision/index.js

@@ -13,7 +13,12 @@ import { addQueryArgs } from '@wordpress/url';
 import PostLastRevisionCheck from './check';
 import { store as editorStore } from '../../store';
 
-function LastRevision() {
+/**
+ * Renders the component for displaying the last revision of a post.
+ *
+ * @return {Component} The component to be rendered.
+ */
+function PostLastRevision() {
 	const { lastRevisionId, revisionsCount } = useSelect( ( select ) => {
 		const { getCurrentPostLastRevisionId, getCurrentPostRevisionsCount } =
 			select( editorStore );
@@ -42,4 +47,4 @@ function LastRevision() {
 	);
 }
 
-export default LastRevision;
+export default PostLastRevision;

packages/editor/src/components/post-last-revision/panel.js

@@ -9,6 +9,11 @@ import { PanelBody } from '@wordpress/components';
 import PostLastRevision from './';
 import PostLastRevisionCheck from './check';
 
+/**
+ * Renders the panel for displaying the last revision of a post.
+ *
+ * @return {Component} The component to be rendered.
+ */
 function PostLastRevisionPanel() {
 	return (
 		<PostLastRevisionCheck>