Initial commit

ios/ex11/AppDelegate.h

+#import <React/RCTBridgeDelegate.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate, RCTBridgeDelegate>
+
+@property (nonatomic, strong) UIWindow *window;
+
+@end

ios/ex11/AppDelegate.mm

+#import "AppDelegate.h"
+
+#import <React/RCTBridge.h>
+#import <React/RCTBundleURLProvider.h>
+#import <React/RCTRootView.h>
+
+#import <React/RCTAppSetupUtils.h>
+
+#if RCT_NEW_ARCH_ENABLED
+#import <React/CoreModulesPlugins.h>
+#import <React/RCTCxxBridgeDelegate.h>
+#import <React/RCTFabricSurfaceHostingProxyRootView.h>
+#import <React/RCTSurfacePresenter.h>
+#import <React/RCTSurfacePresenterBridgeAdapter.h>
+#import <ReactCommon/RCTTurboModuleManager.h>
+
+#import <react/config/ReactNativeConfig.h>
+
+static NSString *const kRNConcurrentRoot = @"concurrentRoot";
+
+@interface AppDelegate () <RCTCxxBridgeDelegate, RCTTurboModuleManagerDelegate> {
+  RCTTurboModuleManager *_turboModuleManager;
+  RCTSurfacePresenterBridgeAdapter *_bridgeAdapter;
+  std::shared_ptr<const facebook::react::ReactNativeConfig> _reactNativeConfig;
+  facebook::react::ContextContainer::Shared _contextContainer;
+}
+@end
+#endif
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+  RCTAppSetupPrepareApp(application);
+
+  RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];
+
+#if RCT_NEW_ARCH_ENABLED
+  _contextContainer = std::make_shared<facebook::react::ContextContainer const>();
+  _reactNativeConfig = std::make_shared<facebook::react::EmptyReactNativeConfig const>();
+  _contextContainer->insert("ReactNativeConfig", _reactNativeConfig);
+  _bridgeAdapter = [[RCTSurfacePresenterBridgeAdapter alloc] initWithBridge:bridge contextContainer:_contextContainer];
+  bridge.surfacePresenter = _bridgeAdapter.surfacePresenter;
+#endif
+
+  NSDictionary *initProps = [self prepareInitialProps];
+  UIView *rootView = RCTAppSetupDefaultRootView(bridge, @"ex11", initProps);
+
+  if (@available(iOS 13.0, *)) {
+    rootView.backgroundColor = [UIColor systemBackgroundColor];
+  } else {
+    rootView.backgroundColor = [UIColor whiteColor];
+  }
+
+  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
+  UIViewController *rootViewController = [UIViewController new];
+  rootViewController.view = rootView;
+  self.window.rootViewController = rootViewController;
+  [self.window makeKeyAndVisible];
+  return YES;
+}
+
+/// This method controls whether the `concurrentRoot`feature of React18 is turned on or off.
+///
+/// @see: https://reactjs.org/blog/2022/03/29/react-v18.html
+/// @note: This requires to be rendering on Fabric (i.e. on the New Architecture).
+/// @return: `true` if the `concurrentRoot` feture is enabled. Otherwise, it returns `false`.
+- (BOOL)concurrentRootEnabled
+{
+  // Switch this bool to turn on and off the concurrent root
+  return true;
+}
+
+- (NSDictionary *)prepareInitialProps
+{
+  NSMutableDictionary *initProps = [NSMutableDictionary new];
+
+#ifdef RCT_NEW_ARCH_ENABLED
+  initProps[kRNConcurrentRoot] = @([self concurrentRootEnabled]);
+#endif
+
+  return initProps;
+}
+
+- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
+{
+#if DEBUG
+  return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index"];
+#else
+  return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+#endif
+}
+
+#if RCT_NEW_ARCH_ENABLED
+
+#pragma mark - RCTCxxBridgeDelegate
+
+- (std::unique_ptr<facebook::react::JSExecutorFactory>)jsExecutorFactoryForBridge:(RCTBridge *)bridge
+{
+  _turboModuleManager = [[RCTTurboModuleManager alloc] initWithBridge:bridge
+                                                             delegate:self
+                                                            jsInvoker:bridge.jsCallInvoker];
+  return RCTAppSetupDefaultJsExecutorFactory(bridge, _turboModuleManager);
+}
+
+#pragma mark RCTTurboModuleManagerDelegate
+
+- (Class)getModuleClassFromName:(const char *)name
+{
+  return RCTCoreModulesClassProvider(name);
+}
+
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:(const std::string &)name
+                                                      jsInvoker:(std::shared_ptr<facebook::react::CallInvoker>)jsInvoker
+{
+  return nullptr;
+}
+
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:(const std::string &)name
+                                                     initParams:
+                                                         (const facebook::react::ObjCTurboModule::InitParams &)params
+{
+  return nullptr;
+}
+
+- (id<RCTTurboModule>)getModuleInstanceFromClass:(Class)moduleClass
+{
+  return RCTAppSetupDefaultModuleFromClass(moduleClass);
+}
+
+#endif
+
+@end

ios/ex11/Images.xcassets/AppIcon.appiconset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/ex11/Images.xcassets/Contents.json

+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/ex11/Info.plist

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>ex11</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict>
+			<key>localhost</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+			</dict>
+		</dict>
+	</dict>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string></string>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>

ios/ex11/LaunchScreen.storyboard

+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="15702" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="15704"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="ex11" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="GJd-Yh-RWb">
+                                <rect key="frame" x="0.0" y="202" width="375" height="43"/>
+                                <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Powered by React Native" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="MN2-I3-ftu">
+                                <rect key="frame" x="0.0" y="626" width="375" height="21"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <constraints>
+                            <constraint firstItem="Bcu-3y-fUS" firstAttribute="bottom" secondItem="MN2-I3-ftu" secondAttribute="bottom" constant="20" id="OZV-Vh-mqD"/>
+                            <constraint firstItem="Bcu-3y-fUS" firstAttribute="centerX" secondItem="GJd-Yh-RWb" secondAttribute="centerX" id="Q3B-4B-g5h"/>
+                            <constraint firstItem="MN2-I3-ftu" firstAttribute="centerX" secondItem="Bcu-3y-fUS" secondAttribute="centerX" id="akx-eg-2ui"/>
+                            <constraint firstItem="MN2-I3-ftu" firstAttribute="leading" secondItem="Bcu-3y-fUS" secondAttribute="leading" id="i1E-0Y-4RG"/>
+                            <constraint firstItem="GJd-Yh-RWb" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="bottom" multiplier="1/3" constant="1" id="moa-c2-u7t"/>
+                            <constraint firstItem="GJd-Yh-RWb" firstAttribute="leading" secondItem="Bcu-3y-fUS" secondAttribute="leading" symbolic="YES" id="x7j-FC-K8j"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="Bcu-3y-fUS"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="52.173913043478265" y="375"/>
+        </scene>
+    </scenes>
+</document>

ios/ex11/main.m

+#import <UIKit/UIKit.h>
+
+#import "AppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}

ios/ex11Tests/Info.plist

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

ios/ex11Tests/ex11Tests.m

+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import <React/RCTLog.h>
+#import <React/RCTRootView.h>
+
+#define TIMEOUT_SECONDS 600
+#define TEXT_TO_LOOK_FOR @"Welcome to React"
+
+@interface ex11Tests : XCTestCase
+
+@end
+
+@implementation ex11Tests
+
+- (BOOL)findSubviewInView:(UIView *)view matching:(BOOL (^)(UIView *view))test
+{
+  if (test(view)) {
+    return YES;
+  }
+  for (UIView *subview in [view subviews]) {
+    if ([self findSubviewInView:subview matching:test]) {
+      return YES;
+    }
+  }
+  return NO;
+}
+
+- (void)testRendersWelcomeScreen
+{
+  UIViewController *vc = [[[RCTSharedApplication() delegate] window] rootViewController];
+  NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
+  BOOL foundElement = NO;
+
+  __block NSString *redboxError = nil;
+#ifdef DEBUG
+  RCTSetLogFunction(
+      ^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) {
+        if (level >= RCTLogLevelError) {
+          redboxError = message;
+        }
+      });
+#endif
+
+  while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) {
+    [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
+    [[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
+
+    foundElement = [self findSubviewInView:vc.view
+                                  matching:^BOOL(UIView *view) {
+                                    if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) {
+                                      return YES;
+                                    }
+                                    return NO;
+                                  }];
+  }
+
+#ifdef DEBUG
+  RCTSetLogFunction(RCTDefaultLogFunction);
+#endif
+
+  XCTAssertNil(redboxError, @"RedBox error: %@", redboxError);
+  XCTAssertTrue(foundElement, @"Couldn't find element with text '%@' in %d seconds", TEXT_TO_LOOK_FOR, TIMEOUT_SECONDS);
+}
+
+@end

metro.config.js

+/**
+ * Metro configuration for React Native
+ * https://github.com/facebook/react-native
+ *
+ * @format
+ */
+
+module.exports = {
+  transformer: {
+    getTransformOptions: async () => ({
+      transform: {
+        experimentalImportSupport: false,
+        inlineRequires: true,
+      },
+    }),
+  },
+};

package.json

+{
+  "name": "ex11",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "android": "react-native run-android",
+    "ios": "react-native run-ios",
+    "start": "react-native start",
+    "test": "jest",
+    "lint": "eslint ."
+  },
+  "dependencies": {
+    "react": "18.1.0",
+    "react-native": "0.70.1"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.12.9",
+    "@babel/runtime": "^7.12.5",
+    "@react-native-community/eslint-config": "^2.0.0",
+    "babel-jest": "^26.6.3",
+    "eslint": "^7.32.0",
+    "jest": "^26.6.3",
+    "metro-react-native-babel-preset": "^0.72.1",
+    "react-test-renderer": "18.1.0"
+  },
+  "jest": {
+    "preset": "react-native"
+  }
+}