fix(ios): reset EmptyLayoutMetrics on Fabric view recycle

kosmydel · cursoragent · kosmydel · commit 07353171cc81 · 2026-07-17T11:08:58.000+02:00
Value-init `{}` is not EmptyLayoutMetrics, so recycled display:none views
could keep self.hidden=YES when reused for visible content.

Co-authored-by: Cursor &lt;cursoragent@cursor.com&gt;
diff --git a/packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm b/packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm
@@ -722,7 +722,7 @@ - (void)prepareForRecycle
   _isJSResponder = NO;
   _removeClippedSubviews = NO;
   _reactSubviews = [NSMutableArray new];
-  _layoutMetrics = {};
+  _layoutMetrics = EmptyLayoutMetrics;
 }
 
 - (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(NSSet<NSString *> *_Nullable)props

Original file line number	Diff line number	Diff line change
`@@ -722,7 +722,7 @@ - (void)prepareForRecycle`
`722`	`722`	`_isJSResponder = NO;`
`723`	`723`	`_removeClippedSubviews = NO;`
`724`	`724`	`_reactSubviews = [NSMutableArray new];`
`725`		`- _layoutMetrics = {};`
	`725`	`+ _layoutMetrics = EmptyLayoutMetrics;`
`726`	`726`	`}`
`727`	`727`
`728`	`728`	`- (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(NSSet<NSString > _Nullable)props`