Migrate NativeModuleRegistryBuilder to Kotlin (#47508)

Summary:
Pull Request resolved: #47508

Changelog: [Internal]

Reviewed By: tdn120

Differential Revision: D60037204

fbshipit-source-id: 2b405e492520e075b83a075009d25fb7b7fa8925

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -68,10 +68,11 @@ public class com/facebook/react/MemoryPressureRouter : android/content/Component
 	public fun removeMemoryPressureListener (Lcom/facebook/react/bridge/MemoryPressureListener;)V
 }
 
-public class com/facebook/react/NativeModuleRegistryBuilder {
+public final class com/facebook/react/NativeModuleRegistryBuilder {
+	public fun <init> (Lcom/facebook/react/bridge/ReactApplicationContext;)V
 	public fun <init> (Lcom/facebook/react/bridge/ReactApplicationContext;Lcom/facebook/react/ReactInstanceManager;)V
-	public fun build ()Lcom/facebook/react/bridge/NativeModuleRegistry;
-	public fun processPackage (Lcom/facebook/react/ReactPackage;)V
+	public final fun build ()Lcom/facebook/react/bridge/NativeModuleRegistry;
+	public final fun processPackage (Lcom/facebook/react/ReactPackage;)V
 }
 
 public abstract class com/facebook/react/ReactActivity : androidx/appcompat/app/AppCompatActivity, com/facebook/react/modules/core/DefaultHardwareBackBtnHandler, com/facebook/react/modules/core/PermissionAwareActivity {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/NativeModuleRegistryBuilder.kt

@@ -0,0 +1,61 @@
+/*
+ * 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
+
+import com.facebook.react.bridge.ModuleHolder
+import com.facebook.react.bridge.NativeModuleRegistry
+import com.facebook.react.bridge.ReactApplicationContext
+
+/** Helper class to build NativeModuleRegistry. */
+public class NativeModuleRegistryBuilder(
+    private val reactApplicationContext: ReactApplicationContext,
+) {
+
+  private val modules = HashMap<String, ModuleHolder>()
+
+  @Deprecated(
+      "ReactInstanceManager is not used",
+      ReplaceWith("NativeModuleRegistryBuilder(reactApplicationContext)"))
+  public constructor(
+      reactApplicationContext: ReactApplicationContext,
+      @Suppress("UNUSED_PARAMETER") reactInstanceManager: ReactInstanceManager
+  ) : this(reactApplicationContext) {}
+
+  public fun processPackage(reactPackage: ReactPackage) {
+    // We use an iterable instead of an iterator here to ensure thread safety, and that this list
+    // cannot be modified
+    val moduleHolders =
+        @Suppress("DEPRECATION")
+        if (reactPackage is LazyReactPackage) {
+          reactPackage.getNativeModuleIterator(reactApplicationContext)
+        } else if (reactPackage is BaseReactPackage) {
+          reactPackage.getNativeModuleIterator(reactApplicationContext)
+        } else {
+          ReactPackageHelper.getNativeModuleIterator(reactPackage, reactApplicationContext)
+        }
+    for (moduleHolder in moduleHolders) {
+      val name = moduleHolder.name
+      val existingNativeModule = modules[name]
+      if (existingNativeModule != null) {
+        check(moduleHolder.canOverrideExistingModule) {
+          """
+Native module $name tried to override ${existingNativeModule.className}.
+
+Check the getPackages() method in MainApplication.java, it might be that module is being created twice. 
+If this was your intention, set canOverrideExistingModule=true. This error may also be present if the 
+package is present only once in getPackages() but is also automatically added later during build time 
+by autolinking. Try removing the existing entry and rebuild.
+"""
+        }
+      }
+      modules[name] = moduleHolder
+    }
+  }
+
+  public fun build(): NativeModuleRegistry = NativeModuleRegistry(reactApplicationContext, modules)
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java

@@ -1536,7 +1536,7 @@ private ReactApplicationContext createReactContext(
   private NativeModuleRegistry processPackages(
       ReactApplicationContext reactContext, List<ReactPackage> packages) {
     NativeModuleRegistryBuilder nativeModuleRegistryBuilder =
-        new NativeModuleRegistryBuilder(reactContext, this);
+        new NativeModuleRegistryBuilder(reactContext);
 
     ReactMarker.logMarker(PROCESS_PACKAGES_START);