Add text layout invalidation for baseWritingDirection property changes

Copilot · acoates-ms · Copilot · commit 92676a033f26 · 2025-06-16T15:36:52.000Z
Co-authored-by: acoates-ms &lt;30809111+acoates-ms@users.noreply.github.com&gt;
diff --git a/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp b/vnext/Microsoft.ReactNative/Fabric/Composition/ParagraphComponentView.cpp
@@ -63,6 +63,10 @@ void ParagraphComponentView::updateProps(
     updateTextAlignment(newViewProps.textAttributes.alignment);
   }
 
+  if (oldViewProps.textAttributes.baseWritingDirection != newViewProps.textAttributes.baseWritingDirection) {
+    m_textLayout = nullptr;
+  }
+
   if (oldViewProps.paragraphAttributes.ellipsizeMode != newViewProps.paragraphAttributes.ellipsizeMode) {
     m_textLayout = nullptr;
   }

Original file line number	Diff line number	Diff line change
`@@ -63,6 +63,10 @@ void ParagraphComponentView::updateProps(`
`63`	`63`	`updateTextAlignment(newViewProps.textAttributes.alignment);`
`64`	`64`	`}`
`65`	`65`
	`66`	`+ if (oldViewProps.textAttributes.baseWritingDirection != newViewProps.textAttributes.baseWritingDirection) {`
	`67`	`+ m_textLayout = nullptr;`
	`68`	`+ }`
	`69`	`+`
`66`	`70`	`if (oldViewProps.paragraphAttributes.ellipsizeMode != newViewProps.paragraphAttributes.ellipsizeMode) {`
`67`	`71`	`m_textLayout = nullptr;`
`68`	`72`	`}`