feat: add fabric-macos-example

fabricmacos-example/macos/.gitignore

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+# CocoaPods
+Pods/
+.xcode.env.local

fabricmacos-example/macos/.xcode.env

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+export NODE_BINARY=$(command -v node)

fabricmacos-example/macos/FabricMacOSExample-macOS/AppDelegate.h

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+#import <RCTAppDelegate.h>
+#import <Cocoa/Cocoa.h>
+
+@interface AppDelegate : RCTAppDelegate
+
+@end

fabricmacos-example/macos/FabricMacOSExample-macOS/AppDelegate.mm

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+#import "AppDelegate.h"
+
+#import <React/RCTBundleURLProvider.h>
+
+@implementation AppDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification *)notification
+{
+  self.moduleName = @"FabricMacOSExample";
+  // You can add your custom initial props in the dictionary below.
+  // They will be passed down to the ViewController used by React Native.
+  self.initialProps = @{};
+
+  return [super applicationDidFinishLaunching:notification];
+}
+
+- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
+{
+#if DEBUG
+  return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index"];
+#else
+  return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+#endif
+}
+
+/// 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` feature is enabled. Otherwise, it returns `false`.
+- (BOOL)concurrentRootEnabled
+{
+#ifdef RN_FABRIC_ENABLED
+  return true;
+#else
+  return false;
+#endif
+}
+
+@end

fabricmacos-example/macos/FabricMacOSExample-macOS/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

fabricmacos-example/macos/FabricMacOSExample-macOS/Assets.xcassets/Contents.json

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

fabricmacos-example/macos/FabricMacOSExample-macOS/FabricMacOSExample.entitlements

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+<?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>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>

fabricmacos-example/macos/FabricMacOSExample-macOS/Info.plist

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+<?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>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></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>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSAppTransportSecurity</key>
+ 	<dict>
+ 		<key>NSAllowsArbitraryLoads</key>
+ 		<true/>
+ 		<key>NSExceptionDomains</key>
+ 		<dict>
+ 			<key>localhost</key>
+ 			<dict>
+ 				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+ 				<true/>
+ 			</dict>
+ 		</dict>
+ 	</dict>
+	<key>NSMainStoryboardFile</key>
+	<string>Main</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>NSSupportsAutomaticTermination</key>
+	<true/>
+	<key>NSSupportsSuddenTermination</key>
+	<true/>
+</dict>
+</plist>

fabricmacos-example/macos/FabricMacOSExample-macOS/main.m

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+#import <Cocoa/Cocoa.h>
+
+int main(int argc, const char *argv[]) {
+  return NSApplicationMain(argc, argv);
+}