From 37e1f39e11e9ad3c998b124eb4950c6138d182c9 Mon Sep 17 00:00:00 2001
From: Arushi Kesarwani <arushikesarwani@meta.com>
Date: Tue, 2 Apr 2024 01:26:41 -0700
Subject: [PATCH] Migrate JSRuntimeFactory to Kotlin (#43748)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/43748

Changelog: [Internal]

Differential Revision: D55605824
---
 .../ReactAndroid/api/ReactAndroid.api         |  4 +++
 .../react/runtime/JSRuntimeFactory.java       | 26 -----------------
 .../react/runtime/JSRuntimeFactory.kt         | 28 +++++++++++++++++++
 3 files changed, 32 insertions(+), 26 deletions(-)
 delete mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.java
 create mode 100644 packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.kt

diff --git a/packages/react-native/ReactAndroid/api/ReactAndroid.api b/packages/react-native/ReactAndroid/api/ReactAndroid.api
index 73449433924335..2acf9f3952aa66 100644
--- a/packages/react-native/ReactAndroid/api/ReactAndroid.api
+++ b/packages/react-native/ReactAndroid/api/ReactAndroid.api
@@ -3654,9 +3654,13 @@ public final class com/facebook/react/runtime/JSCInstance$Companion {
 }
 
 public abstract class com/facebook/react/runtime/JSRuntimeFactory {
+	public static final field Companion Lcom/facebook/react/runtime/JSRuntimeFactory$Companion;
 	protected fun <init> (Lcom/facebook/jni/HybridData;)V
 }
 
+public final class com/facebook/react/runtime/JSRuntimeFactory$Companion {
+}
+
 public class com/facebook/react/runtime/ReactHostImpl : com/facebook/react/ReactHost {
 	public fun <init> (Landroid/content/Context;Lcom/facebook/react/runtime/ReactHostDelegate;Lcom/facebook/react/fabric/ComponentFactory;Ljava/util/concurrent/Executor;Ljava/util/concurrent/Executor;Lcom/facebook/react/interfaces/exceptionmanager/ReactJsExceptionHandler;ZZ)V
 	public fun <init> (Landroid/content/Context;Lcom/facebook/react/runtime/ReactHostDelegate;Lcom/facebook/react/fabric/ComponentFactory;ZLcom/facebook/react/interfaces/exceptionmanager/ReactJsExceptionHandler;Z)V
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.java
deleted file mode 100644
index 83d3e9f841a801..00000000000000
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.runtime;
-
-import com.facebook.infer.annotation.Nullsafe;
-import com.facebook.jni.HybridData;
-import com.facebook.proguard.annotations.DoNotStrip;
-import com.facebook.soloader.SoLoader;
-
-@Nullsafe(Nullsafe.Mode.LOCAL)
-public abstract class JSRuntimeFactory {
-  static {
-    SoLoader.loadLibrary("rninstance");
-  }
-
-  @DoNotStrip private final HybridData mHybridData;
-
-  protected JSRuntimeFactory(HybridData hybridData) {
-    mHybridData = hybridData;
-  }
-}
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.kt
new file mode 100644
index 00000000000000..785850224cf098
--- /dev/null
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/JSRuntimeFactory.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.runtime
+
+import com.facebook.jni.HybridData
+import com.facebook.proguard.annotations.DoNotStrip
+import com.facebook.soloader.SoLoader
+import com.facebook.soloader.annotation.SoLoaderLibrary
+
+@SoLoaderLibrary("rninstance")
+public abstract class JSRuntimeFactory {
+  public companion object {
+    init {
+      SoLoader.loadLibrary("rninstance")
+    }
+  }
+
+  @DoNotStrip private val mHybridData: HybridData
+
+  protected constructor(hybridData: HybridData) {
+    mHybridData = hybridData
+  }
+}