feat: DefaultValuePlugin 默认值只用初始化一次；OnChangePlugin 可以忽略选择文本更新

src/components/LexicalEditor/Index.jsx

@@ -43,6 +43,7 @@ import {useLexicalEditable} from '@lexical/react/useLexicalEditable';
 import { $getRoot, $getSelection, $createParagraphNode } from 'lexical';
 import { $generateHtmlFromNodes, $generateNodesFromDOM, } from '@lexical/html';
 // import {  } from '@lexical/clipboard';
+import { isEmpty } from '@/utils/commons';
 
 import './styles.css';
 
@@ -87,7 +88,9 @@ function LexicalDefaultValuePlugin({ value = "" }= {}) {
     if (clear) {
       root.clear();
     }
-    // console.log(nodes);
+    console.log('default value:');
+    console.log(value);
+    console.log(isEmpty(value))
 
     const p = $createParagraphNode();
     const _p = nodes.filter(n => n).forEach((n) => {
@@ -100,20 +103,33 @@ function LexicalDefaultValuePlugin({ value = "" }= {}) {
     // root.append(...nodes.filter(n => n));
   };
 
+  // 默认值设置只用初始化一次；
+  // 空值不更新 HTML；
   useEffect(() => {
-    if (editor && value) {
+    if (editor && !isEmpty(value)) {
       editor.update(() => {
         updateHTML(editor, value, true);
       });
     }
-  }, [value]);
+  }, []);
 
   return null;
 }
-function MyOnChangePlugin({ onChange }) {
+function MyOnChangePlugin({ ignoreHistoryMergeTagChange = true, ignoreSelectionChange = true, onChange }) {
   const [editor] = useLexicalComposerContext();
   useEffect(() => {
-    return editor.registerUpdateListener(({ editorState }) => {
+    if (onChange) {
+      return editor.registerUpdateListener(({editorState, dirtyElements, dirtyLeaves, prevEditorState, tags}) => {
+
+        if (
+          (ignoreSelectionChange &&
+            dirtyElements.size === 0 &&
+            dirtyLeaves.size === 0) ||
+          (ignoreHistoryMergeTagChange && tags.has('history-merge')) ||
+          prevEditorState.isEmpty()
+        ) {
+          return;
+        }
         // const editorStateJSON = editorState.toJSON();
         let html;
         let textContent;
@@ -127,14 +143,16 @@ function MyOnChangePlugin({ onChange }) {
 
           // setEditorContent(content);
           if (typeof onChange === 'function') {
-          onChange({ editorState, html, textContent });
+            onChange({ editorState, editor, tags, html, textContent });
           }
         });
       });
-  }, [editor, onChange]);
+    }
+  }, [editor, ignoreHistoryMergeTagChange, ignoreSelectionChange, onChange]);
+
   return null;
 }
-export default function Editor({ isRichText, editorRef, onChange, initialValue, ...props }) {
+export default function Editor({ isRichText, isDebug, editorRef, onChange, initialValue, ...props }) {
   return (
     <LexicalComposer initialConfig={editorConfig}>
       <div className='editor-container'>
@@ -147,7 +165,7 @@ export default function Editor({ isRichText, editorRef, onChange, initialValue,
             <PlainTextPlugin contentEditable={<ContentEditable className='editor-pure-input' />} ErrorBoundary={LexicalErrorBoundary} />
           )}
           <HistoryPlugin />
-          {import.meta.env.DEV && <TreeViewPlugin />}
+          {(import.meta.env.DEV && isDebug) && <TreeViewPlugin />}
           <LexicalDefaultValuePlugin value={initialValue} />
           <AutoFocusPlugin />
           <CodeHighlightPlugin />