docs(serialization): add node helpers to ExtendedTextNode example (fa…

…cebook#5442)
standardnotes · Jan 18, 2024 · 55d3ed1 · 55d3ed1
1 parent e974708
commit 55d3ed1
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/packages/lexical-website/docs/concepts/serialization.md b/packages/lexical-website/docs/concepts/serialization.md
@@ -306,7 +306,8 @@ import {
   DOMConversionOutput,
   NodeKey,
   TextNode,
-  SerializedTextNode
+  SerializedTextNode,
+  LexicalNode
 } from 'lexical';
 
 export class ExtendedTextNode extends TextNode {
@@ -373,6 +374,14 @@ export class ExtendedTextNode extends TextNode {
   }
 }
 
+export function $createExtendedTextNode(text: string): ExtendedTextNode {
+	return new ExtendedTextNode(text, className);
+}
+
+export function $isExtendedTextNode(node: LexicalNode | null | undefined): node is ExtendedTextNode {
+	return node instanceof ExtendedTextNode;
+}
+
 function patchStyleConversion(
   originalDOMConverter?: (node: HTMLElement) => DOMConversion | null
 ): (node: HTMLElement) => DOMConversionOutput | null {