[DoNotCommit] Helloworld example of pure swift TM

packages/react-native-codegen/src/generators/modules/GenerateModuleObjCpp/index.js

@@ -22,6 +22,20 @@ const {StructCollector} = require('./StructCollector');
 
 type FilesOutput = Map<string, string>;
 
+const SwiftCompatibleDeclarationTemplate = ({
+  hasteModuleName,
+  protocolMethods,
+}: $ReadOnly<{
+  hasteModuleName: string,
+  protocolMethods: string,
+}>) => `
+@protocol ${hasteModuleName}Spec <RCTBridgeModule, RCTSwiftTurboModule>
+
+${protocolMethods}
+
+@end
+`
+
 const ModuleDeclarationTemplate = ({
   hasteModuleName,
   structDeclarations,
@@ -58,6 +72,51 @@ namespace facebook::react {
   };
 } // namespace facebook::react`;
 
+const SwiftCompatibleHeaderFileTemplate = ({
+  headerFileName,
+  moduleDeclarations,
+  assumeNonnull,
+}: $ReadOnly<{
+  headerFileName: string,
+  moduleDeclarations: string,
+  assumeNonnull: boolean,
+}>) => {
+  const headerFileNameWithNoExt = headerFileName
+    .replace(/\.h$/, '')
+    .replace(/-/, '');
+
+  return (
+    `/**
+ * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
+ *
+ * Do not edit this file as changes may cause incorrect behavior and will be lost
+ * once the code is regenerated.
+ *
+ * ${'@'}generated by codegen project: GenerateModuleObjCpp
+ *
+ * We create an umbrella header (and corresponding implementation) here since
+ * Cxx compilation in BUCK has a limitation: source-code producing genrule()s
+ * must have a single output. More files => more genrule()s => slower builds.
+ */
+
+// Avoid multiple includes of ${headerFileNameWithNoExt} symbols
+#ifndef ${headerFileNameWithNoExt}_H
+#define ${headerFileNameWithNoExt}_H
+
+#import <Foundation/Foundation.h>
+#import <React/RCTBridgeModule.h>
+#import <ReactCommon/RCTSwiftTurboModule.h>
+
+` +
+    (assumeNonnull ? '\nNS_ASSUME_NONNULL_BEGIN\n' : '') +
+    moduleDeclarations +
+    '\n' +
+    (assumeNonnull ? '\nNS_ASSUME_NONNULL_END\n' : '\n') +
+    `#endif // ${headerFileNameWithNoExt}_H` +
+    '\n'
+  );
+};
+
 const HeaderFileTemplate = ({
   headerFileName,
   moduleDeclarations,
@@ -150,6 +209,7 @@ module.exports = {
     const nativeModules = getModules(schema);
 
     const moduleDeclarations: Array<string> = [];
+    const swiftCompatibleModulesDeclarations: Array<string> = [];
     const structInlineMethods: Array<string> = [];
     const moduleImplementations: Array<string> = [];
 
@@ -209,6 +269,15 @@ module.exports = {
         }),
       );
 
+      swiftCompatibleModulesDeclarations.push(
+        SwiftCompatibleDeclarationTemplate({
+          hasteModuleName: hasteModuleName,
+          protocolMethods: methodSerializations
+            .map(({protocolMethod}) => protocolMethod)
+            .join('\n'),
+        }),
+      );
+
       structInlineMethods.push(methodStrs.join('\n'));
 
       moduleImplementations.push(
@@ -232,6 +301,13 @@ module.exports = {
       assumeNonnull,
     });
 
+    const swiftCompatibleHeaderFileName = `${libraryName}-Swift.h`;
+    const swiftHeaderFile = SwiftCompatibleHeaderFileTemplate({
+      headerFileName: swiftCompatibleHeaderFileName,
+      moduleDeclarations: swiftCompatibleModulesDeclarations.join('\n'),
+      assumeNonnull,
+    });
+
     const sourceFileName = `${libraryName}-generated.mm`;
     const sourceFile = SourceFileTemplate({
       headerFileName,
@@ -240,6 +316,7 @@ module.exports = {
 
     return new Map([
       [headerFileName, headerFile],
+      [swiftCompatibleHeaderFileName, swiftHeaderFile],
       [sourceFileName, sourceFile],
     ]);
   },

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTModule.h

@@ -0,0 +1,11 @@
+//
+//  RCTModule.mm
+//  Pods
+//
+//  Created by Riccardo Cipolleschi on 18/07/2025.
+//
+
+@protocol RCTModule
+
+@end
+

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTSwiftTurboModule.h

@@ -0,0 +1,13 @@
+//
+//  RCTSwiftTurboModule.h
+//  Pods
+//
+//  Created by Riccardo Cipolleschi on 18/07/2025.
+//
+
+#import "RCTModule.h"
+
+@protocol RCTSwiftTurboModule <RCTModule>
+
+@end
+

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModule.h

@@ -19,8 +19,10 @@
 #import <string>
 #import <unordered_map>
 
+#import "RCTModule.h"
+
 #define RCT_IS_TURBO_MODULE_CLASS(klass) \
-  ((RCTTurboModuleEnabled() && [(klass) conformsToProtocol:@protocol(RCTTurboModule)]))
+  ((RCTTurboModuleEnabled() && [(klass) conformsToProtocol:@protocol(RCTModule)]))
 #define RCT_IS_TURBO_MODULE_INSTANCE(module) RCT_IS_TURBO_MODULE_CLASS([(module) class])
 
 namespace facebook::react {
@@ -186,13 +188,20 @@ class JSI_EXPORT ObjCTurboModule : public TurboModule {
  */
 - (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:
     (const facebook::react::ObjCTurboModule::InitParams &)params;
+
+@optional
+/**
+ * Return an instance of an Apple Module
+ */
+- (Class<RCTModule>)getAppleModule;
+
 @end
 
 /**
  * Protocol that objects can inherit to conform to be treated as turbomodules.
  * It inherits from RCTTurboModuleProvider, meaning that a TurboModule can create itself
  */
-@protocol RCTTurboModule <RCTModuleProvider>
+@protocol RCTTurboModule <RCTModule, RCTModuleProvider>
 
 @optional
 - (void)setEventEmitterCallback:(EventEmitterCallbackWrapper *)eventEmitterCallbackWrapper;
@@ -210,3 +219,4 @@ class JSI_EXPORT ObjCTurboModule : public TurboModule {
 - (std::shared_ptr<facebook::react::NativeMethodCallInvoker>)decorateNativeMethodCallInvoker:
     (std::shared_ptr<facebook::react::NativeMethodCallInvoker>)nativeMethodCallInvoker;
 @end
+

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModule.mm

@@ -847,7 +847,7 @@ void ObjCTurboModule::setMethodArgConversionSelector(NSString *methodName, size_
 
 void ObjCTurboModule::setEventEmitterCallback(EventEmitterCallback eventEmitterCallback)
 {
-  if ([instance_ conformsToProtocol:@protocol(RCTTurboModule)] &&
+  if ([instance_ conformsToProtocol:@protocol(RCTModule)] &&
       [instance_ respondsToSelector:@selector(setEventEmitterCallback:)]) {
     EventEmitterCallbackWrapper *wrapper = [EventEmitterCallbackWrapper new];
     wrapper->_eventEmitterCallback = std::move(eventEmitterCallback);
@@ -859,3 +859,4 @@ void ObjCTurboModule::setEventEmitterCallback(EventEmitterCallback eventEmitterC
 
 @implementation EventEmitterCallbackWrapper
 @end
+

packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm

@@ -159,7 +159,7 @@ class LegacyModuleNativeMethodCallInvoker : public ModuleNativeMethodCallInvoker
 
 bool isTurboModuleClass(Class cls)
 {
-  return [cls conformsToProtocol:@protocol(RCTTurboModule)];
+  return [cls conformsToProtocol:@protocol(RCTModule)];
 }
 
 bool isTurboModuleInstance(id module)
@@ -339,18 +339,24 @@ typedef struct {
   /**
    * Step 2: Look for platform-specific modules.
    */
-  id<RCTModuleProvider> module = [self _moduleProviderForName:moduleName];
+  id<RCTModuleProvider> moduleProvider = [self _moduleProviderForName:moduleName];
 
   TurboModulePerfLogger::moduleJSRequireEndingStart(moduleName);
 
   // If we request that a TurboModule be created, its respective ObjC class must exist
   // If the class doesn't exist, then _provideObjCModule returns nil
-  if (!module) {
+  if (!moduleProvider) {
     return nullptr;
   }
+  
+  id<RCTModuleProvider> module = nullptr;
+  if ([moduleProvider respondsToSelector:@selector(getAppleModule)]) {
+    module = (id<RCTModuleProvider>)[self _provideObjCModule:moduleName moduleProvider:moduleProvider];
+  }
+  id<RCTModuleProvider> moduleOrProvider = module ? module : moduleProvider;
 
   std::shared_ptr<NativeMethodCallInvoker> nativeMethodCallInvoker = nullptr;
-  dispatch_queue_t methodQueue = (dispatch_queue_t)objc_getAssociatedObject(module, &kAssociatedMethodQueueKey);
+  dispatch_queue_t methodQueue = (dispatch_queue_t)objc_getAssociatedObject(moduleOrProvider, &kAssociatedMethodQueueKey);
   if (methodQueue) {
     /**
      * Step 2c: Create and native CallInvoker from the TurboModule's method queue.
@@ -370,11 +376,11 @@ typedef struct {
    * Step 2d: If the moduleClass is a legacy CxxModule, return a TurboCxxModule instance that
    * wraps CxxModule.
    */
-  Class moduleClass = [module class];
+  Class moduleClass = [moduleOrProvider class];
   if ([moduleClass isSubclassOfClass:RCTCxxModule.class]) {
     // Use TurboCxxModule compat class to wrap the CxxModule instance.
     // This is only for migration convenience, despite less performant.
-    auto turboModule = std::make_shared<TurboCxxModule>([((RCTCxxModule *)module) createModule], _jsInvoker);
+    auto turboModule = std::make_shared<TurboCxxModule>([((RCTCxxModule *)moduleOrProvider) createModule], _jsInvoker);
     _turboModuleCache.insert({moduleName, turboModule});
     return turboModule;
   }
@@ -385,27 +391,27 @@ typedef struct {
    * Use respondsToSelector: below to infer conformance to @protocol(RCTTurboModule). Using conformsToProtocol: is
    * expensive.
    */
-  if ([module respondsToSelector:@selector(getTurboModule:)]) {
+  if ([moduleProvider respondsToSelector:@selector(getTurboModule:)]) {
     ObjCTurboModule::InitParams params = {
         .moduleName = moduleName,
-        .instance = (id<RCTBridgeModule>)module,
+        .instance = (id<RCTBridgeModule>)moduleOrProvider,
         .jsInvoker = _jsInvoker,
         .nativeMethodCallInvoker = nativeMethodCallInvoker,
         .isSyncModule = methodQueue == RCTJSThread,
         .shouldVoidMethodsExecuteSync = (bool)RCTTurboModuleSyncVoidMethodsEnabled(),
     };
 
-    auto turboModule = [(id<RCTTurboModule>)module getTurboModule:params];
+    auto turboModule = [(id<RCTTurboModule>)moduleProvider getTurboModule:params];
     if (turboModule == nullptr) {
       RCTLogError(@"TurboModule \"%@\"'s getTurboModule: method returned nil.", moduleClass);
     }
     _turboModuleCache.insert({moduleName, turboModule});
 
-    if ([module respondsToSelector:@selector(installJSIBindingsWithRuntime:callInvoker:)]) {
-      [(id<RCTTurboModuleWithJSIBindings>)module installJSIBindingsWithRuntime:*runtime callInvoker:_jsInvoker];
-    } else if ([module respondsToSelector:@selector(installJSIBindingsWithRuntime:)]) {
+    if ([moduleOrProvider respondsToSelector:@selector(installJSIBindingsWithRuntime:callInvoker:)]) {
+      [(id<RCTTurboModuleWithJSIBindings>)moduleOrProvider installJSIBindingsWithRuntime:*runtime callInvoker:_jsInvoker];
+    } else if ([moduleOrProvider respondsToSelector:@selector(installJSIBindingsWithRuntime:)]) {
       // Old API without CallInvoker (deprecated)
-      [(id<RCTTurboModuleWithJSIBindings>)module installJSIBindingsWithRuntime:*runtime];
+      [(id<RCTTurboModuleWithJSIBindings>)moduleOrProvider installJSIBindingsWithRuntime:*runtime];
     }
     return turboModule;
   }
@@ -496,16 +502,16 @@ typedef struct {
   if ([_delegate respondsToSelector:@selector(getModuleProvider:)]) {
     moduleProvider = [_delegate getModuleProvider:moduleName];
   }
-
+  
   if (RCTTurboModuleInteropEnabled() && ![self _isTurboModule:moduleName] && !moduleProvider) {
     return nil;
   }
-
+  
   if (moduleProvider) {
-    if ([moduleProvider conformsToProtocol:@protocol(RCTTurboModule)]) {
-      // moduleProvider is also a TM, we need to initialize objectiveC properties, like the dispatch queue
+    if ([moduleProvider conformsToProtocol:@protocol(RCTModule)]) {
       return (id<RCTModuleProvider>)[self _provideObjCModule:moduleName moduleProvider:moduleProvider];
     }
+      
     // module is Cxx module
     return moduleProvider;
   }
@@ -585,7 +591,12 @@ typedef struct {
     /**
      * Step 2a: Resolve platform-specific class.
      */
-    Class moduleClass = moduleProvider ? [moduleProvider class] : [self _getModuleClassFromName:moduleName];
+    Class moduleClass = moduleProvider ?
+      ([moduleProvider respondsToSelector:@selector(getAppleModule)] ?
+        [moduleProvider getAppleModule] :
+        [moduleProvider class]) :
+      [self _getModuleClassFromName:moduleName];
+    
 
     __block id<RCTBridgeModule> module = nil;
 
@@ -640,7 +651,7 @@ typedef struct {
     return [moduleClass conformsToProtocol:@protocol(RCTBridgeModule)];
   }
 
-  return [moduleClass conformsToProtocol:@protocol(RCTTurboModule)];
+  return [moduleClass conformsToProtocol:@protocol(RCTModule)];
 }
 
 /**
@@ -1104,3 +1115,4 @@ typedef struct {
 }
 
 @end
+

packages/react-native/scripts/codegen/templates/ReactAppDependencyProvider.podspec.template

@@ -22,7 +22,7 @@ Pod::Spec.new do |s|
   s.author                 = "Meta Platforms, Inc. and its affiliates"
   s.platforms              = min_supported_versions
   s.source                 = source
-  s.source_files           = "**/RCTAppDependencyProvider.{h,mm}"
+  s.source_files           = ["**/RCTAppDependencyProvider.{h,mm}", "**/*-Swift.{h,mm}"]
 
   # This guard prevent to install the dependencies when we run `pod install` in the old architecture.
   s.pod_target_xcconfig    = {

private/helloworld/App.tsx

@@ -1,42 +1,73 @@
-/**
- * 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.
- *
- * @format
- */
-
-import * as React from 'react';
+import React from 'react';
 import {
   SafeAreaView,
-  ScrollView,
-  StatusBar,
   StyleSheet,
   Text,
-  View,
-  useColorScheme,
+  TextInput,
+  Button,
 } from 'react-native';
 
-function App(): React.ReactNode {
-  const isDarkMode = useColorScheme() === 'dark';
+import NativeLocalStorage from './specs/NativeLocalStorage';
+
+const EMPTY = '<empty>';
+
+function App(): React.JSX.Element {
+  const [value, setValue] = React.useState<string | null>(null);
+
+  const [editingValue, setEditingValue] = React.useState<
+    string | null
+  >(null);
+
+  React.useEffect(() => {
+    const storedValue = NativeLocalStorage?.getItem('myKey');
+    setValue(storedValue ?? '');
+  }, []);
+
+  function saveValue() {
+    NativeLocalStorage?.setItem(editingValue ?? EMPTY, 'myKey');
+    setValue(editingValue);
+  }
+
+  function clearAll() {
+    NativeLocalStorage?.clear();
+    setValue('');
+  }
+
+  function deleteValue() {
+    NativeLocalStorage?.removeItem('myKey');
+    setValue('');
+  }
 
   return (
-    <SafeAreaView>
-      <StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
-      <ScrollView contentInsetAdjustmentBehavior="automatic">
-        <View>
-          <Text style={styles.title}>Hello, World!</Text>
-        </View>
-      </ScrollView>
+    <SafeAreaView style={{flex: 1}}>
+      <Text style={styles.text}>
+        Current stored value is: {value ?? 'No Value'}
+      </Text>
+      <TextInput
+        placeholder="Enter the text you want to store"
+        style={styles.textInput}
+        onChangeText={setEditingValue}
+      />
+      <Button title="Save" onPress={saveValue} />
+      <Button title="Delete" onPress={deleteValue} />
+      <Button title="Clear" onPress={clearAll} />
     </SafeAreaView>
   );
 }
 
 const styles = StyleSheet.create({
-  title: {
-    fontSize: 24,
-    fontWeight: '600',
+  text: {
+    margin: 10,
+    fontSize: 20,
+  },
+  textInput: {
+    margin: 10,
+    height: 40,
+    borderColor: 'black',
+    borderWidth: 1,
+    paddingLeft: 5,
+    paddingRight: 5,
+    borderRadius: 5,
   },
 });
 

private/helloworld/Gemfile

@@ -12,3 +12,4 @@ gem 'bigdecimal'
 gem 'logger'
 gem 'benchmark'
 gem 'mutex_m'
+gem 'ffi', '1.17.2'

private/helloworld/Gemfile.lock

@@ -62,7 +62,7 @@ GEM
     escape (0.0.4)
     ethon (0.16.0)
       ffi (>= 1.15.0)
-    ffi (1.17.0)
+    ffi (1.17.2)
     fourflusher (2.3.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
@@ -104,6 +104,7 @@ DEPENDENCIES
   bigdecimal
   cocoapods (~> 1.13, != 1.15.1, != 1.15.0)
   concurrent-ruby (<= 1.3.4)
+  ffi (= 1.17.2)
   logger
   mutex_m
   xcodeproj (< 1.26.0)

private/helloworld/ios/HelloWorld-Bridging-Header.h

@@ -0,0 +1,8 @@
+//
+//  HelloWorld-Bridging-Header.h
+//  HelloWorld
+//
+//  Created by Riccardo Cipolleschi on 20/07/2025.
+//
+
+#import <React-RCTAppDelegate/RCTDefaultReactNativeFactoryDelegate.h>

private/helloworld/ios/HelloWorld.xcodeproj/project.pbxproj

@@ -8,12 +8,14 @@
 
 /* Begin PBXBuildFile section */
 		00E356F31AD99517003FC87E /* HelloWorldTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 00E356F21AD99517003FC87E /* HelloWorldTests.m */; };
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 		81AB9BB82411601600AC10FF /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */; };
+		CD087E612E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.mm in Sources */ = {isa = PBXBuildFile; fileRef = CD087E602E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.mm */; };
+		CD087E642E2D0E9F00049510 /* NativeLocalStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD087E632E2D0E9F00049510 /* NativeLocalStorage.swift */; };
 		CDA0ED1A2D0B2D810079F561 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = CDA0ED192D0B2D810079F561 /* AppDelegate.swift */; };
-		D462E9F4436EDF91C8A1FA0A /* Pods_HelloWorld.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B3F2101C8317E5C933C1BD4C /* Pods_HelloWorld.framework */; };
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 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -36,12 +38,16 @@
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+		46A81F6F6DFF1CFBA9274965 /* libPods-HelloWorld.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-HelloWorld.a"; sourceTree = BUILT_PRODUCTS_DIR; };
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-		7A97924660E462ECF2425C3A /* Pods_HelloWorld_HelloWorldTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_HelloWorld_HelloWorldTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
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+		CD087E5F2E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RCTNativeLocalStorageModuleProvider.h; sourceTree = "<group>"; };
+		CD087E602E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = RCTNativeLocalStorageModuleProvider.mm; sourceTree = "<group>"; };
+		CD087E632E2D0E9F00049510 /* NativeLocalStorage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NativeLocalStorage.swift; sourceTree = "<group>"; };
+		CD087E652E2D0F9700049510 /* HelloWorld-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "HelloWorld-Bridging-Header.h"; sourceTree = "<group>"; };
 		CDA0ED192D0B2D810079F561 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppDelegate.swift; path = HelloWorld/AppDelegate.swift; sourceTree = "<group>"; };
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@@ -51,7 +57,7 @@
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 			buildActionMask = 2147483647;
 			files = (
-				D693EA25CB545D6C1C7F8538 /* Pods_HelloWorld_HelloWorldTests.framework in Frameworks */,
+				03B621F332C31CE9F6F5498B /* libPods-HelloWorld-HelloWorldTests.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -59,7 +65,7 @@
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 			files = (
-				D462E9F4436EDF91C8A1FA0A /* Pods_HelloWorld.framework in Frameworks */,
+				0B80405BD1BDA4AEC91E6FD6 /* libPods-HelloWorld.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -92,6 +98,7 @@
 				13B07FB81A68108700A75B9A /* PrivacyInfo.xcprivacy */,
 				0EC7AB76F90EED035707BA4E /* PrivacyInfo.xcprivacy */,
 				CDA0ED192D0B2D810079F561 /* AppDelegate.swift */,
+				CD087E652E2D0F9700049510 /* HelloWorld-Bridging-Header.h */,
 			);
 			name = HelloWorld;
 			sourceTree = "<group>";
@@ -100,8 +107,8 @@
 			isa = PBXGroup;
 			children = (
 				ED297162215061F000B7C4FE /* JavaScriptCore.framework */,
-				B3F2101C8317E5C933C1BD4C /* Pods_HelloWorld.framework */,
-				7A97924660E462ECF2425C3A /* Pods_HelloWorld_HelloWorldTests.framework */,
+				46A81F6F6DFF1CFBA9274965 /* libPods-HelloWorld.a */,
+				87728D6F9B41932E3190949E /* libPods-HelloWorld-HelloWorldTests.a */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
@@ -116,6 +123,7 @@
 		83CBB9F61A601CBA00E9B192 = {
 			isa = PBXGroup;
 			children = (
+				CD087E5E2E2D0DD100049510 /* NativeLocalStorage */,
 				13B07FAE1A68108700A75B9A /* HelloWorld */,
 				832341AE1AAA6A7D00B99B32 /* Libraries */,
 				00E356EF1AD99517003FC87E /* HelloWorldTests */,
@@ -148,6 +156,16 @@
 			path = Pods;
 			sourceTree = "<group>";
 		};
+		CD087E5E2E2D0DD100049510 /* NativeLocalStorage */ = {
+			isa = PBXGroup;
+			children = (
+				CD087E5F2E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.h */,
+				CD087E602E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.mm */,
+				CD087E632E2D0E9F00049510 /* NativeLocalStorage.swift */,
+			);
+			path = NativeLocalStorage;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -206,7 +224,7 @@
 						TestTargetID = 13B07F861A680F5B00A75B9A;
 					};
 					13B07F861A680F5B00A75B9A = {
-						LastSwiftMigration = 1610;
+						LastSwiftMigration = 1640;
 					};
 				};
 			};
@@ -394,7 +412,9 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CD087E642E2D0E9F00049510 /* NativeLocalStorage.swift in Sources */,
 				CDA0ED1A2D0B2D810079F561 /* AppDelegate.swift in Sources */,
+				CD087E612E2D0DE600049510 /* RCTNativeLocalStorageModuleProvider.mm in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -484,6 +504,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = HelloWorld;
 				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../packages/react-native";
+				SWIFT_OBJC_BRIDGING_HEADER = "HelloWorld-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -511,6 +532,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = HelloWorld;
 				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../packages/react-native";
+				SWIFT_OBJC_BRIDGING_HEADER = "HelloWorld-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
@@ -596,8 +618,11 @@
 					"-DFOLLY_CFG_NO_COROUTINES=1",
 					"-DFOLLY_HAVE_CLOCK_GETTIME=1",
 				);
-				OTHER_LDFLAGS = "$(inherited)  ";
-				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../react-native";
+				OTHER_LDFLAGS = (
+					"$(inherited)",
+					" ",
+				);
+				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../packages/react-native";
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";
 				USE_HERMES = true;
@@ -676,8 +701,11 @@
 					"-DFOLLY_CFG_NO_COROUTINES=1",
 					"-DFOLLY_HAVE_CLOCK_GETTIME=1",
 				);
-				OTHER_LDFLAGS = "$(inherited)  ";
-				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../react-native";
+				OTHER_LDFLAGS = (
+					"$(inherited)",
+					" ",
+				);
+				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../packages/react-native";
 				SDKROOT = iphoneos;
 				USE_HERMES = true;
 				VALIDATE_PRODUCT = YES;

private/helloworld/ios/HelloWorld/Info.plist

@@ -26,7 +26,6 @@
 	<true/>
 	<key>NSAppTransportSecurity</key>
 	<dict>
-	  <!-- Do not change NSAllowsArbitraryLoads to true, or you will risk app rejection! -->
 		<key>NSAllowsArbitraryLoads</key>
 		<false/>
 		<key>NSAllowsLocalNetworking</key>
@@ -34,6 +33,8 @@
 	</dict>
 	<key>NSLocationWhenInUseUsageDescription</key>
 	<string></string>
+	<key>RCTNewArchEnabled</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>

private/helloworld/ios/NativeLocalStorage/NativeLocalStorage.swift

@@ -0,0 +1,34 @@
+//
+//  NativeLocalStorage.swift
+//  HelloWorld
+//
+//  Created by Riccardo Cipolleschi on 20/07/2025.
+//
+
+import Foundation
+import ReactAppDependencyProvider
+
+class NativeLocalStorage: NSObject, NativeLocalStorageSpec {
+  private let storage: UserDefaults = UserDefaults(suiteName: "local-storage") ?? .standard
+  func setItem(_ value: String, key: String) {
+    storage.setValue(value, forKey: key)
+  }
+  
+  func getItem(_ key: String) -> String? {
+    storage.string(forKey: key)
+  }
+  
+  func removeItem(_ key: String) {
+    storage.removeObject(forKey: key)
+  }
+  
+  func clear() {
+    storage.dictionaryRepresentation().keys.forEach { storage.removeObject(forKey: $0) }
+  }
+  
+  static func moduleName() -> String! {
+    return "NativeLocalStorage"
+  }
+  
+  
+}

private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.h

@@ -0,0 +1,17 @@
+//
+//  RCTNativeLocalStorageModuleProvider.h
+//  HelloWorld
+//
+//  Created by Riccardo Cipolleschi on 20/07/2025.
+//
+
+#import <Foundation/Foundation.h>
+#import <ReactCommon/RCTTurboModule.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RCTNativeLocalStorageModuleProvider : NSObject <RCTModuleProvider>
+
+@end
+
+NS_ASSUME_NONNULL_END

private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.mm

@@ -0,0 +1,23 @@
+//
+//  RCTNativeLocalStorageModuleProvider.m
+//  HelloWorld
+//
+//  Created by Riccardo Cipolleschi on 20/07/2025.
+//
+
+#import "RCTNativeLocalStorageModuleProvider.h"
+#import <NativeLocalStorageSpec/NativeLocalStorageSpec.h>
+#import "HelloWorld-Swift.h"
+
+@implementation RCTNativeLocalStorageModuleProvider
+
+- (Class<RCTModule>)getAppleModule
+{
+  return [NativeLocalStorage class];
+}
+
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:(const facebook::react::ObjCTurboModule::InitParams &)params { 
+  return std::make_shared<facebook::react::NativeLocalStorageSpecJSI>(params);
+}
+
+@end

private/helloworld/package.json

@@ -34,5 +34,18 @@
   },
   "engines": {
     "node": ">= 20.19.4"
-  }
+  },
+  "codegenConfig": {
+     "name": "NativeLocalStorageSpec",
+     "type": "modules",
+     "jsSrcsDir": "specs",
+     "android": {
+       "javaPackageName": "com.nativelocalstorage"
+     },
+     "ios": {
+        "modulesProvider": {
+          "NativeLocalStorage": "RCTNativeLocalStorageModuleProvider"
+        }
+    }
+   }
 }

private/helloworld/scripts/metro.js

@@ -23,7 +23,7 @@ program
           android: {},
         },
         root: path.join(__dirname, '../'),
-        reactNativePath: path.join(__dirname, '../../react-native'),
+        reactNativePath: path.join(__dirname, '../../../packages/react-native'),
       },
       {
         experimentalDebugger: false,

private/helloworld/specs/NativeLocalStorage.ts

@@ -0,0 +1,13 @@
+import type {TurboModule} from 'react-native';
+import {TurboModuleRegistry} from 'react-native';
+
+export interface Spec extends TurboModule {
+  setItem(value: string, key: string): void;
+  getItem(key: string): string | null;
+  removeItem(key: string): void;
+  clear(): void;
+}
+
+export default TurboModuleRegistry.getEnforcing<Spec>(
+  'NativeLocalStorage',
+);