Gate with feature flag for canary

Summary: Changelog: [Internal] - Add feature flag around IntersectionObserver for canary

Differential Revision: D86547485

Author: lunaleaps

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<01feab16132bc07b79b359178e322327>>
+ * @generated SignedSource<<2e4bcb17ed3cb0ab683c92d659d7b5f6>>
  */
 
 /**
@@ -228,6 +228,12 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean = accessor.enableInteropViewManagerClassLookUpOptimizationIOS()
 
+  /**
+   * Enables the IntersectionObserver Web API polyfill in React Native.
+   */
+  @JvmStatic
+  public fun enableIntersectionObserver(): Boolean = accessor.enableIntersectionObserver()
+
   /**
    * Enables key up/down/press events to be sent to JS from components
    */

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<405bf283e4631e166cd57f5dfe30d5f9>>
+ * @generated SignedSource<<165b79da1364dcd73532070abc595ef0>>
  */
 
 /**
@@ -53,6 +53,7 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var enableImmediateUpdateModeForContentOffsetChangesCache: Boolean? = null
   private var enableImperativeFocusCache: Boolean? = null
   private var enableInteropViewManagerClassLookUpOptimizationIOSCache: Boolean? = null
+  private var enableIntersectionObserverCache: Boolean? = null
   private var enableKeyEventsCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
@@ -402,6 +403,15 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
+  override fun enableIntersectionObserver(): Boolean {
+    var cached = enableIntersectionObserverCache
+    if (cached == null) {
+      cached = ReactNativeFeatureFlagsCxxInterop.enableIntersectionObserver()
+      enableIntersectionObserverCache = cached
+    }
+    return cached
+  }
+
   override fun enableKeyEvents(): Boolean {
     var cached = enableKeyEventsCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxInterop.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<bffd645aa55b941acff92ca4efe6192a>>
+ * @generated SignedSource<<f0572c9db76a79947fb057f01b1a9d1b>>
  */
 
 /**
@@ -94,6 +94,8 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean
 
+  @DoNotStrip @JvmStatic public external fun enableIntersectionObserver(): Boolean
+
   @DoNotStrip @JvmStatic public external fun enableKeyEvents(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enableLayoutAnimationsOnAndroid(): Boolean

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsDefaults.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<a25d191472f7777804175ef9f56521d6>>
+ * @generated SignedSource<<016b2e8286eaa016e36a164a25488dbf>>
  */
 
 /**
@@ -89,6 +89,8 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean = false
 
+  override fun enableIntersectionObserver(): Boolean = false
+
   override fun enableKeyEvents(): Boolean = false
 
   override fun enableLayoutAnimationsOnAndroid(): Boolean = false

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsLocalAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<e8531e8c374d0ea1e604a2f3d5000078>>
+ * @generated SignedSource<<57f35dd4533b246f66ecc9f8de7dcb00>>
  */
 
 /**
@@ -57,6 +57,7 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var enableImmediateUpdateModeForContentOffsetChangesCache: Boolean? = null
   private var enableImperativeFocusCache: Boolean? = null
   private var enableInteropViewManagerClassLookUpOptimizationIOSCache: Boolean? = null
+  private var enableIntersectionObserverCache: Boolean? = null
   private var enableKeyEventsCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
@@ -439,6 +440,16 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
+  override fun enableIntersectionObserver(): Boolean {
+    var cached = enableIntersectionObserverCache
+    if (cached == null) {
+      cached = currentProvider.enableIntersectionObserver()
+      accessedFeatureFlags.add("enableIntersectionObserver")
+      enableIntersectionObserverCache = cached
+    }
+    return cached
+  }
+
   override fun enableKeyEvents(): Boolean {
     var cached = enableKeyEventsCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsOverrides_RNOSS_Canary_Android.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<f82b5905d822f8009c054a9443f86e39>>
+ * @generated SignedSource<<78d3d9f431df6c93f326aaed3467dc25>>
  */
 
 /**
@@ -27,6 +27,8 @@ public open class ReactNativeFeatureFlagsOverrides_RNOSS_Canary_Android : ReactN
 
   override fun enableFabricRenderer(): Boolean = true
 
+  override fun enableIntersectionObserver(): Boolean = true
+
   override fun useNativeViewConfigsInBridgelessMode(): Boolean = true
 
   override fun useTurboModuleInterop(): Boolean = true

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsProvider.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<2325f5410537941e25998ca8c59bf51d>>
+ * @generated SignedSource<<db7b1a599a6b61420bbeb5bd3b372a2b>>
  */
 
 /**
@@ -89,6 +89,8 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean
 
+  @DoNotStrip public fun enableIntersectionObserver(): Boolean
+
   @DoNotStrip public fun enableKeyEvents(): Boolean
 
   @DoNotStrip public fun enableLayoutAnimationsOnAndroid(): Boolean

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<95ebd4929bf0f98aa059ad4b8139f7b3>>
+ * @generated SignedSource<<056a135bbc61330ab53b2f974fb06bdd>>
  */
 
 /**
@@ -237,6 +237,12 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
+  bool enableIntersectionObserver() override {
+    static const auto method =
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableIntersectionObserver");
+    return method(javaProvider_);
+  }
+
   bool enableKeyEvents() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableKeyEvents");
@@ -712,6 +718,11 @@ bool JReactNativeFeatureFlagsCxxInterop::enableInteropViewManagerClassLookUpOpti
   return ReactNativeFeatureFlags::enableInteropViewManagerClassLookUpOptimizationIOS();
 }
 
+bool JReactNativeFeatureFlagsCxxInterop::enableIntersectionObserver(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
+  return ReactNativeFeatureFlags::enableIntersectionObserver();
+}
+
 bool JReactNativeFeatureFlagsCxxInterop::enableKeyEvents(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::enableKeyEvents();
@@ -1097,6 +1108,9 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "enableInteropViewManagerClassLookUpOptimizationIOS",
         JReactNativeFeatureFlagsCxxInterop::enableInteropViewManagerClassLookUpOptimizationIOS),
+      makeNativeMethod(
+        "enableIntersectionObserver",
+        JReactNativeFeatureFlagsCxxInterop::enableIntersectionObserver),
       makeNativeMethod(
         "enableKeyEvents",
         JReactNativeFeatureFlagsCxxInterop::enableKeyEvents),

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.h

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<155f615584a7738dc5b89205c2ecad8b>>
+ * @generated SignedSource<<36c1f8093aeea810f5f2501413aa02c5>>
  */
 
 /**
@@ -129,6 +129,9 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableInteropViewManagerClassLookUpOptimizationIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
+  static bool enableIntersectionObserver(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
+
   static bool enableKeyEvents(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<1a4d03b0d58e389dc9e9af0adf7afa9f>>
+ * @generated SignedSource<<a6bfd67adde332bd08dc4a41a4ccd85a>>
  */
 
 /**
@@ -158,6 +158,10 @@ bool ReactNativeFeatureFlags::enableInteropViewManagerClassLookUpOptimizationIOS
   return getAccessor().enableInteropViewManagerClassLookUpOptimizationIOS();
 }
 
+bool ReactNativeFeatureFlags::enableIntersectionObserver() {
+  return getAccessor().enableIntersectionObserver();
+}
+
 bool ReactNativeFeatureFlags::enableKeyEvents() {
   return getAccessor().enableKeyEvents();
 }