RNTester iOS: Move Meta-internal setup to internal files (#42073)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/42073

This moved various Meta-internal runtime setup off AppDelegate.mm to reduce the #if checks throughout the file.

Changelog: [Internal]

Reviewed By: cipolleschi

Differential Revision: D52424748

fbshipit-source-id: b53799c8bb1544dbbb429cea811861ae52125641

packages/react-native/Libraries/AppDelegate/RCTAppDelegate.mm

@@ -131,6 +131,11 @@ static NSDictionary *updateInitialProps(NSDictionary *initialProps, BOOL isFabri
   return YES;
 }
 
+- (void)applicationDidEnterBackground:(UIApplication *)application
+{
+  // Noop
+}
+
 - (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
 {
   [NSException raise:@"RCTBridgeDelegate::sourceURLForBridge not implemented"

packages/rn-tester/RNTester/AppDelegate.mm

@@ -8,6 +8,7 @@
 #import "AppDelegate.h"
 
 #import <React/RCTBundleURLProvider.h>
+#import <React/RCTDefines.h>
 #import <React/RCTLinkingManager.h>
 #import <ReactCommon/RCTSampleTurboModule.h>
 #import <ReactCommon/SampleTurboCxxModule.h>
@@ -21,26 +22,12 @@
 #import <RNTMyNativeViewComponentView.h>
 #endif
 
-// FB-internal imports
-#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
-#import <RCTFBAppInit/RCTFBAppInit.h>
-#endif
-
-#if BUNDLE_PATH
-NSString *kBundlePath = @"xplat/js/RKJSModules/EntryPoints/RNTesterBundle.js";
-#else
-NSString *kBundlePath = @"js/RNTesterApp.ios";
-#endif
+static NSString *kBundlePath = @"js/RNTesterApp.ios";
 
 @implementation AppDelegate
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
-#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
-  // FB-internal app init setup.
-  RCTFBAppInitApplicationDidFinishLaunching(launchOptions);
-#endif
-
   self.moduleName = @"RNTesterApp";
   // You can add your custom initial props in the dictionary below.
   // They will be passed down to the ViewController used by React Native.
@@ -51,10 +38,7 @@ NSString *kBundlePath = @"js/RNTesterApp.ios";
 
 - (void)applicationDidEnterBackground:(UIApplication *)application
 {
-#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
-  // FB-internal app backgrounding setup.
-  RCTFBAppInitApplicationDidEnterBackground(application);
-#endif
+  [super applicationDidEnterBackground:application];
 }
 
 - (NSDictionary *)prepareInitialProps
@@ -131,6 +115,13 @@ NSString *kBundlePath = @"js/RNTesterApp.ios";
 
 #endif
 
+#pragma mark - New Arch Enabled settings
+
+- (BOOL)bridgelessEnabled
+{
+  return [super bridgelessEnabled];
+}
+
 #pragma mark - RCTComponentViewFactoryComponentProvider
 
 #ifndef RN_DISABLE_OSS_PLUGIN_HEADER