From 79c4bc1e152508b09bf60502b3453e8d131976d3 Mon Sep 17 00:00:00 2001
From: Riccardo Cipolleschi <cipolleschi@meta.com>
Date: Sun, 20 Jul 2025 13:00:36 +0100
Subject: [PATCH] [DoNotCommit] Helloworld example of pure swift TM

---
 private/helloworld/App.tsx                    | 83 +++++++++++++------
 private/helloworld/Gemfile                    |  1 +
 private/helloworld/Gemfile.lock               |  3 +-
 .../ios/HelloWorld-Bridging-Header.h          |  8 ++
 .../ios/HelloWorld.xcodeproj/project.pbxproj  | 54 +++++++++---
 private/helloworld/ios/HelloWorld/Info.plist  |  3 +-
 .../NativeLocalStorage.swift                  | 34 ++++++++
 .../RCTNativeLocalStorageModuleProvider.h     | 17 ++++
 .../RCTNativeLocalStorageModuleProvider.mm    | 23 +++++
 private/helloworld/package.json               | 15 +++-
 .../helloworld/specs/NativeLocalStorage.ts    | 13 +++
 11 files changed, 212 insertions(+), 42 deletions(-)
 create mode 100644 private/helloworld/ios/HelloWorld-Bridging-Header.h
 create mode 100644 private/helloworld/ios/NativeLocalStorage/NativeLocalStorage.swift
 create mode 100644 private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.h
 create mode 100644 private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.mm
 create mode 100644 private/helloworld/specs/NativeLocalStorage.ts

diff --git a/private/helloworld/App.tsx b/private/helloworld/App.tsx
index 09f7928a852..f56dc1b9f3d 100644
--- a/private/helloworld/App.tsx
+++ b/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,
   },
 });
 
diff --git a/private/helloworld/Gemfile b/private/helloworld/Gemfile
index a8b58f4745a..24358772251 100644
--- a/private/helloworld/Gemfile
+++ b/private/helloworld/Gemfile
@@ -12,3 +12,4 @@ gem 'bigdecimal'
 gem 'logger'
 gem 'benchmark'
 gem 'mutex_m'
+gem 'ffi', '1.17.2'
diff --git a/private/helloworld/Gemfile.lock b/private/helloworld/Gemfile.lock
index 5c3e6edfbc1..cb4b8f0e1ab 100644
--- a/private/helloworld/Gemfile.lock
+++ b/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)
diff --git a/private/helloworld/ios/HelloWorld-Bridging-Header.h b/private/helloworld/ios/HelloWorld-Bridging-Header.h
new file mode 100644
index 00000000000..af8a3b91458
--- /dev/null
+++ b/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>
diff --git a/private/helloworld/ios/HelloWorld.xcodeproj/project.pbxproj b/private/helloworld/ios/HelloWorld.xcodeproj/project.pbxproj
index dca49419fb7..b9746e920c3 100644
--- a/private/helloworld/ios/HelloWorld.xcodeproj/project.pbxproj
+++ b/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 */; };
+		03B621F332C31CE9F6F5498B /* libPods-HelloWorld-HelloWorldTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 87728D6F9B41932E3190949E /* libPods-HelloWorld-HelloWorldTests.a */; };
+		0B80405BD1BDA4AEC91E6FD6 /* libPods-HelloWorld.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 46A81F6F6DFF1CFBA9274965 /* libPods-HelloWorld.a */; };
 		13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB51A68108700A75B9A /* Images.xcassets */; };
 		6EA01F72FAC10D00AECACF94 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 0EC7AB76F90EED035707BA4E /* PrivacyInfo.xcprivacy */; };
 		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 */; };
-		D693EA25CB545D6C1C7F8538 /* Pods_HelloWorld_HelloWorldTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7A97924660E462ECF2425C3A /* Pods_HelloWorld_HelloWorldTests.framework */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -36,12 +38,16 @@
 		13B07FB61A68108700A75B9A /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = Info.plist; path = HelloWorld/Info.plist; sourceTree = "<group>"; };
 		13B07FB81A68108700A75B9A /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = PrivacyInfo.xcprivacy; path = HelloWorld/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		3B4392A12AC88292D35C810B /* Pods-HelloWorld.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-HelloWorld.debug.xcconfig"; path = "Target Support Files/Pods-HelloWorld/Pods-HelloWorld.debug.xcconfig"; sourceTree = "<group>"; };
+		46A81F6F6DFF1CFBA9274965 /* libPods-HelloWorld.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-HelloWorld.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		5709B34CF0A7D63546082F79 /* Pods-HelloWorld.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-HelloWorld.release.xcconfig"; path = "Target Support Files/Pods-HelloWorld/Pods-HelloWorld.release.xcconfig"; sourceTree = "<group>"; };
 		5B7EB9410499542E8C5724F5 /* Pods-HelloWorld-HelloWorldTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-HelloWorld-HelloWorldTests.debug.xcconfig"; path = "Target Support Files/Pods-HelloWorld-HelloWorldTests/Pods-HelloWorld-HelloWorldTests.debug.xcconfig"; sourceTree = "<group>"; };
-		7A97924660E462ECF2425C3A /* Pods_HelloWorld_HelloWorldTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_HelloWorld_HelloWorldTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = LaunchScreen.storyboard; path = HelloWorld/LaunchScreen.storyboard; sourceTree = "<group>"; };
+		87728D6F9B41932E3190949E /* libPods-HelloWorld-HelloWorldTests.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-HelloWorld-HelloWorldTests.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		89C6BE57DB24E9ADA2F236DE /* Pods-HelloWorld-HelloWorldTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-HelloWorld-HelloWorldTests.release.xcconfig"; path = "Target Support Files/Pods-HelloWorld-HelloWorldTests/Pods-HelloWorld-HelloWorldTests.release.xcconfig"; sourceTree = "<group>"; };
-		B3F2101C8317E5C933C1BD4C /* Pods_HelloWorld.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_HelloWorld.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		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>"; };
 		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
 /* End PBXFileReference section */
@@ -51,7 +57,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				D693EA25CB545D6C1C7F8538 /* Pods_HelloWorld_HelloWorldTests.framework in Frameworks */,
+				03B621F332C31CE9F6F5498B /* libPods-HelloWorld-HelloWorldTests.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -59,7 +65,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			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;
diff --git a/private/helloworld/ios/HelloWorld/Info.plist b/private/helloworld/ios/HelloWorld/Info.plist
index 07b050898d9..73938030310 100644
--- a/private/helloworld/ios/HelloWorld/Info.plist
+++ b/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>
diff --git a/private/helloworld/ios/NativeLocalStorage/NativeLocalStorage.swift b/private/helloworld/ios/NativeLocalStorage/NativeLocalStorage.swift
new file mode 100644
index 00000000000..6bb4f9fef0a
--- /dev/null
+++ b/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"
+  }
+  
+  
+}
diff --git a/private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.h b/private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.h
new file mode 100644
index 00000000000..8f27c89bc3a
--- /dev/null
+++ b/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
diff --git a/private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.mm b/private/helloworld/ios/NativeLocalStorage/RCTNativeLocalStorageModuleProvider.mm
new file mode 100644
index 00000000000..28432527b39
--- /dev/null
+++ b/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
diff --git a/private/helloworld/package.json b/private/helloworld/package.json
index 3a59bcbb34c..c51e5d7fa5e 100644
--- a/private/helloworld/package.json
+++ b/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"
+        }
+    }
+   }
 }
diff --git a/private/helloworld/specs/NativeLocalStorage.ts b/private/helloworld/specs/NativeLocalStorage.ts
new file mode 100644
index 00000000000..2c038c9dc59
--- /dev/null
+++ b/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',
+);