From cd40e4e387830fcbdfc06eb0c27eaae74f462726 Mon Sep 17 00:00:00 2001
From: generatedunixname89002005232357
 <generatedunixname89002005232357@meta.com>
Date: Mon, 6 Jan 2025 22:28:51 -0800
Subject: [PATCH] Revert D67868219 (#48512)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/48512

This diff reverts D67868219
Breaking OTA Compatibility Check https://fburl.com/onedetection/m0hqsvjp

[General][Changed] - Revert: Mark intersectionRect required in NativeIntersectionObserverEntry to reflect native logic.

Reviewed By: lunaleaps

Differential Revision: D67882016

fbshipit-source-id: 8cff299ee823f8ef06fe96667e832b68be45666d
---
 .../intersectionobserver/NativeIntersectionObserver.h          | 2 +-
 .../intersectionobserver/specs/NativeIntersectionObserver.js   | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h b/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
index d0653998093bc8..dcc2a6c3fd60f5 100644
--- a/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
+++ b/packages/react-native/ReactCommon/react/nativemodule/intersectionobserver/NativeIntersectionObserver.h
@@ -45,7 +45,7 @@ using NativeIntersectionObserverEntry =
         // rootRect
         RectAsTuple,
         // intersectionRect
-        RectAsTuple,
+        std::optional<RectAsTuple>,
         // isIntersectingAboveThresholds
         bool,
         // time
diff --git a/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js b/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
index 7ceba03d7d2a67..e2d9a32efde752 100644
--- a/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
+++ b/packages/react-native/src/private/webapis/intersectionobserver/specs/NativeIntersectionObserver.js
@@ -17,7 +17,8 @@ export type NativeIntersectionObserverEntry = {
   targetInstanceHandle: mixed,
   targetRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
   rootRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
-  intersectionRect: $ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
+  // TODO(T209328432) - Remove optionality of intersectionRect when native changes are released
+  intersectionRect: ?$ReadOnlyArray<number>, // It's actually a tuple with x, y, width and height
   isIntersectingAboveThresholds: boolean,
   time: number,
 };