refactor: separate feature flat per platform

packages/react-native/Libraries/Text/Text/RCTTextView.mm

@@ -156,7 +156,7 @@ - (void)drawRect:(CGRect)rect
 
   NSRange glyphRange = [layoutManager glyphRangeForTextContainer:textContainer];
 
-  if (facebook::react::ReactNativeFeatureFlags::enableLineHeightCentering()) {
+  if (facebook::react::ReactNativeFeatureFlags::enableLineHeightCenteringOnIOS()) {
     CGPoint drawingPoint = [self calculateDrawingPointWithTextStorage:_textStorage contentFrame:_contentFrame];
     [layoutManager drawBackgroundForGlyphRange:glyphRange atPoint:drawingPoint];
     [layoutManager drawGlyphsForGlyphRange:glyphRange atPoint:drawingPoint];

packages/react-native/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentView.mm

@@ -378,7 +378,7 @@ - (void)drawRect:(CGRect)rect
 
   CGRect frame = RCTCGRectFromRect(_layoutMetrics.getContentFrame());
 
-  if (ReactNativeFeatureFlags::enableLineHeightCentering()) {
+  if (ReactNativeFeatureFlags::enableLineHeightCenteringOnIOS()) {
     NSAttributedString *attributedText = RCTNSAttributedStringFromAttributedString(_state->getData().attributedString);
     frame = [self calculateCenteredFrameWithAttributedText:attributedText frame:frame];
   }

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<<8c1e36bc5a0baac0def70ea35dcb9e59>>
+ * @generated SignedSource<<bbb35582fcb449903f58a5d4018755d9>>
  */
 
 /**
@@ -134,7 +134,13 @@ public object ReactNativeFeatureFlags {
    * When enabled, custom line height calculation will be centered from top to bottom.
    */
   @JvmStatic
-  public fun enableLineHeightCentering(): Boolean = accessor.enableLineHeightCentering()
+  public fun enableLineHeightCenteringOnAndroid(): Boolean = accessor.enableLineHeightCenteringOnAndroid()
+
+  /**
+   * When enabled, custom line height calculation will be centered from top to bottom.
+   */
+  @JvmStatic
+  public fun enableLineHeightCenteringOnIOS(): Boolean = accessor.enableLineHeightCenteringOnIOS()
 
   /**
    * Enables the reporting of long tasks through `PerformanceObserver`. Only works if the event loop is enabled.

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<<a958631ee6706d85d8cd7e0222873b44>>
+ * @generated SignedSource<<02f9fa1fd92a89a823e8fd35e1a2409b>>
  */
 
 /**
@@ -37,7 +37,8 @@ public class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAccesso
   private var enableIOSViewClipToPaddingBoxCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
-  private var enableLineHeightCenteringCache: Boolean? = null
+  private var enableLineHeightCenteringOnAndroidCache: Boolean? = null
+  private var enableLineHeightCenteringOnIOSCache: Boolean? = null
   private var enableLongTaskAPICache: Boolean? = null
   private var enableMicrotasksCache: Boolean? = null
   private var enablePreciseSchedulingForPremountItemsOnAndroidCache: Boolean? = null
@@ -223,11 +224,20 @@ public class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAccesso
     return cached
   }
 
-  override fun enableLineHeightCentering(): Boolean {
-    var cached = enableLineHeightCenteringCache
+  override fun enableLineHeightCenteringOnAndroid(): Boolean {
+    var cached = enableLineHeightCenteringOnAndroidCache
     if (cached == null) {
-      cached = ReactNativeFeatureFlagsCxxInterop.enableLineHeightCentering()
-      enableLineHeightCenteringCache = cached
+      cached = ReactNativeFeatureFlagsCxxInterop.enableLineHeightCenteringOnAndroid()
+      enableLineHeightCenteringOnAndroidCache = cached
+    }
+    return cached
+  }
+
+  override fun enableLineHeightCenteringOnIOS(): Boolean {
+    var cached = enableLineHeightCenteringOnIOSCache
+    if (cached == null) {
+      cached = ReactNativeFeatureFlagsCxxInterop.enableLineHeightCenteringOnIOS()
+      enableLineHeightCenteringOnIOSCache = cached
     }
     return cached
   }

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<<fef3e1f705f22d87e84eb406cf9b7805>>
+ * @generated SignedSource<<fde4302e82485beb6a4f7eb9cc5612aa>>
  */
 
 /**
@@ -62,7 +62,9 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableLayoutAnimationsOnIOS(): Boolean
 
-  @DoNotStrip @JvmStatic public external fun enableLineHeightCentering(): Boolean
+  @DoNotStrip @JvmStatic public external fun enableLineHeightCenteringOnAndroid(): Boolean
+
+  @DoNotStrip @JvmStatic public external fun enableLineHeightCenteringOnIOS(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enableLongTaskAPI(): 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<<624e9e1c096417a3441a091dd74b0641>>
+ * @generated SignedSource<<af03c1fe9360349ef95a4939a8c014ee>>
  */
 
 /**
@@ -57,7 +57,9 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableLayoutAnimationsOnIOS(): Boolean = true
 
-  override fun enableLineHeightCentering(): Boolean = false
+  override fun enableLineHeightCenteringOnAndroid(): Boolean = false
+
+  override fun enableLineHeightCenteringOnIOS(): Boolean = false
 
   override fun enableLongTaskAPI(): 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<<c6be21a8b82bb3c14f2c83ff0c95d275>>
+ * @generated SignedSource<<f0f8c57691724d5ace09b10df2afa890>>
  */
 
 /**
@@ -41,7 +41,8 @@ public class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcces
   private var enableIOSViewClipToPaddingBoxCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
-  private var enableLineHeightCenteringCache: Boolean? = null
+  private var enableLineHeightCenteringOnAndroidCache: Boolean? = null
+  private var enableLineHeightCenteringOnIOSCache: Boolean? = null
   private var enableLongTaskAPICache: Boolean? = null
   private var enableMicrotasksCache: Boolean? = null
   private var enablePreciseSchedulingForPremountItemsOnAndroidCache: Boolean? = null
@@ -244,12 +245,22 @@ public class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
-  override fun enableLineHeightCentering(): Boolean {
-    var cached = enableLineHeightCenteringCache
+  override fun enableLineHeightCenteringOnAndroid(): Boolean {
+    var cached = enableLineHeightCenteringOnAndroidCache
     if (cached == null) {
-      cached = currentProvider.enableLineHeightCentering()
-      accessedFeatureFlags.add("enableLineHeightCentering")
-      enableLineHeightCenteringCache = cached
+      cached = currentProvider.enableLineHeightCenteringOnAndroid()
+      accessedFeatureFlags.add("enableLineHeightCenteringOnAndroid")
+      enableLineHeightCenteringOnAndroidCache = cached
+    }
+    return cached
+  }
+
+  override fun enableLineHeightCenteringOnIOS(): Boolean {
+    var cached = enableLineHeightCenteringOnIOSCache
+    if (cached == null) {
+      cached = currentProvider.enableLineHeightCenteringOnIOS()
+      accessedFeatureFlags.add("enableLineHeightCenteringOnIOS")
+      enableLineHeightCenteringOnIOSCache = cached
     }
     return cached
   }

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<<efde0d209c0d923a625dffdc496beace>>
+ * @generated SignedSource<<95ff497c335cac627d85e166d8178558>>
  */
 
 /**
@@ -57,7 +57,9 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableLayoutAnimationsOnIOS(): Boolean
 
-  @DoNotStrip public fun enableLineHeightCentering(): Boolean
+  @DoNotStrip public fun enableLineHeightCenteringOnAndroid(): Boolean
+
+  @DoNotStrip public fun enableLineHeightCenteringOnIOS(): Boolean
 
   @DoNotStrip public fun enableLongTaskAPI(): Boolean
 

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/internal/span/CustomLineHeightSpan.kt

@@ -107,7 +107,7 @@ public class CustomLineHeightSpan(height: Float) : LineHeightSpan, ReactSpan {
       v: Int,
       fm: FontMetricsInt,
   ) {
-    if (ReactNativeFeatureFlags.enableLineHeightCentering()) chooseCenteredHeight(fm)
+    if (ReactNativeFeatureFlags.enableLineHeightCenteringOnAndroid()) chooseCenteredHeight(fm)
     else chooseOriginalHeight(fm)
   }
 }

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<<6eaab890a1d747ce2c8ba7b0c255ec7a>>
+ * @generated SignedSource<<0908596d167df88df2a2ab2d4b8c06ec>>
  */
 
 /**
@@ -141,9 +141,15 @@ class ReactNativeFeatureFlagsProviderHolder
     return method(javaProvider_);
   }
 
-  bool enableLineHeightCentering() override {
+  bool enableLineHeightCenteringOnAndroid() override {
     static const auto method =
-        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableLineHeightCentering");
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableLineHeightCenteringOnAndroid");
+    return method(javaProvider_);
+  }
+
+  bool enableLineHeightCenteringOnIOS() override {
+    static const auto method =
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableLineHeightCenteringOnIOS");
     return method(javaProvider_);
   }
 
@@ -422,9 +428,14 @@ bool JReactNativeFeatureFlagsCxxInterop::enableLayoutAnimationsOnIOS(
   return ReactNativeFeatureFlags::enableLayoutAnimationsOnIOS();
 }
 
-bool JReactNativeFeatureFlagsCxxInterop::enableLineHeightCentering(
+bool JReactNativeFeatureFlagsCxxInterop::enableLineHeightCenteringOnAndroid(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
-  return ReactNativeFeatureFlags::enableLineHeightCentering();
+  return ReactNativeFeatureFlags::enableLineHeightCenteringOnAndroid();
+}
+
+bool JReactNativeFeatureFlagsCxxInterop::enableLineHeightCenteringOnIOS(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
+  return ReactNativeFeatureFlags::enableLineHeightCenteringOnIOS();
 }
 
 bool JReactNativeFeatureFlagsCxxInterop::enableLongTaskAPI(
@@ -651,8 +662,11 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
         "enableLayoutAnimationsOnIOS",
         JReactNativeFeatureFlagsCxxInterop::enableLayoutAnimationsOnIOS),
       makeNativeMethod(
-        "enableLineHeightCentering",
-        JReactNativeFeatureFlagsCxxInterop::enableLineHeightCentering),
+        "enableLineHeightCenteringOnAndroid",
+        JReactNativeFeatureFlagsCxxInterop::enableLineHeightCenteringOnAndroid),
+      makeNativeMethod(
+        "enableLineHeightCenteringOnIOS",
+        JReactNativeFeatureFlagsCxxInterop::enableLineHeightCenteringOnIOS),
       makeNativeMethod(
         "enableLongTaskAPI",
         JReactNativeFeatureFlagsCxxInterop::enableLongTaskAPI),

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<<ed933889ce74532340a21b964bfb09ad>>
+ * @generated SignedSource<<fe935ea5de2a03da8b5d8f8a93ec903f>>
  */
 
 /**
@@ -81,7 +81,10 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableLayoutAnimationsOnIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
-  static bool enableLineHeightCentering(
+  static bool enableLineHeightCenteringOnAndroid(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
+
+  static bool enableLineHeightCenteringOnIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
   static bool enableLongTaskAPI(

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<<4b417d4e16dc9d50ce72eb17287ade1b>>
+ * @generated SignedSource<<2eeb1b7571481a8404226d0bbc8d2e5d>>
  */
 
 /**
@@ -89,8 +89,12 @@ bool ReactNativeFeatureFlags::enableLayoutAnimationsOnIOS() {
   return getAccessor().enableLayoutAnimationsOnIOS();
 }
 
-bool ReactNativeFeatureFlags::enableLineHeightCentering() {
-  return getAccessor().enableLineHeightCentering();
+bool ReactNativeFeatureFlags::enableLineHeightCenteringOnAndroid() {
+  return getAccessor().enableLineHeightCenteringOnAndroid();
+}
+
+bool ReactNativeFeatureFlags::enableLineHeightCenteringOnIOS() {
+  return getAccessor().enableLineHeightCenteringOnIOS();
 }
 
 bool ReactNativeFeatureFlags::enableLongTaskAPI() {

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.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<<9c219debffe0fa013bea41deb6c01db2>>
+ * @generated SignedSource<<6c4322adf33ac5b1bc921b306b2f5f8f>>
  */
 
 /**
@@ -125,7 +125,12 @@ class ReactNativeFeatureFlags {
   /**
    * When enabled, custom line height calculation will be centered from top to bottom.
    */
-  RN_EXPORT static bool enableLineHeightCentering();
+  RN_EXPORT static bool enableLineHeightCenteringOnAndroid();
+
+  /**
+   * When enabled, custom line height calculation will be centered from top to bottom.
+   */
+  RN_EXPORT static bool enableLineHeightCenteringOnIOS();
 
   /**
    * Enables the reporting of long tasks through `PerformanceObserver`. Only works if the event loop is enabled.