From 60f711f8fa96124f6bc9bf62a290f246653e37e8 Mon Sep 17 00:00:00 2001
From: Gabriel Donadel <donadeldev@gmail.com>
Date: Fri, 26 May 2023 08:54:00 -0300
Subject: [PATCH] Prevent DevLauncherController from removing fabric root view

---
 .../expo-dev-launcher/expo-dev-launcher.podspec     | 13 ++++++++++---
 .../expo-dev-launcher/ios/EXDevLauncherController.m | 12 +++++++++++-
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/packages/expo-dev-launcher/expo-dev-launcher.podspec b/packages/expo-dev-launcher/expo-dev-launcher.podspec
index 698e1302c69bd..2c29d404dcf9a 100644
--- a/packages/expo-dev-launcher/expo-dev-launcher.podspec
+++ b/packages/expo-dev-launcher/expo-dev-launcher.podspec
@@ -28,9 +28,7 @@ Pod::Spec.new do |s|
     ]
   }
 
-  s.xcconfig = {
-    'GCC_PREPROCESSOR_DEFINITIONS' => "EX_DEV_LAUNCHER_VERSION=#{s.version}"
-  }
+  new_arch_enabled = ENV['RCT_NEW_ARCH_ENABLED'] == '1'
 
   other_c_flags = '$(inherited)'
   dev_launcher_url = ENV['EX_DEV_LAUNCHER_URL'] || ""
@@ -43,6 +41,15 @@ Pod::Spec.new do |s|
     other_swift_flags += ' -DEX_DEV_CLIENT_NETWORK_INSPECTOR'
   end
 
+  if new_arch_enabled
+    other_c_flags += ' -DRN_FABRIC_ENABLED -DRCT_NEW_ARCH_ENABLED'
+  end
+
+  s.xcconfig = {
+    'GCC_PREPROCESSOR_DEFINITIONS' => "EX_DEV_LAUNCHER_VERSION=#{s.version}",
+    'OTHER_CFLAGS' => other_c_flags,
+  }
+
   # Swift/Objective-C compatibility
   s.pod_target_xcconfig = {
     'DEFINES_MODULE' => 'YES',
diff --git a/packages/expo-dev-launcher/ios/EXDevLauncherController.m b/packages/expo-dev-launcher/ios/EXDevLauncherController.m
index a8ad2f7bd9233..767577cd28bec 100644
--- a/packages/expo-dev-launcher/ios/EXDevLauncherController.m
+++ b/packages/expo-dev-launcher/ios/EXDevLauncherController.m
@@ -25,6 +25,10 @@
 #import <EXDevLauncher-Swift.h>
 #endif
 
+#ifdef RCT_NEW_ARCH_ENABLED
+#import <React/RCTSurfaceView.h>
+#endif
+
 @import EXManifests;
 @import EXDevMenu;
 
@@ -563,12 +567,18 @@ - (void)onAppContentDidAppear
   [[NSNotificationCenter defaultCenter] removeObserver:self name:RCTContentDidAppearNotification object:nil];
 
   dispatch_async(dispatch_get_main_queue(), ^{
+    #ifdef RCT_NEW_ARCH_ENABLED
+      #define EXPECTED_ROOT_VIEW RCTSurfaceView
+    #else
+      #define EXPECTED_ROOT_VIEW RCTRootView
+    #endif
     NSArray<UIView *> *views = [[[self->_window rootViewController] view] subviews];
     for (UIView *view in views) {
-      if (![view isKindOfClass:[RCTRootContentView class]]) {
+      if (![view isKindOfClass:[EXPECTED_ROOT_VIEW class]]) {
         [view removeFromSuperview];
       }
     }
+    #undef EXPECTED_ROOT_VIEW
   });
 }