[PATCH] [RN][iOS][0.71] Fix flipper for Xcode 15.3

facebook#43345

WanderlogPatches.md

@@ -51,3 +51,6 @@ rebase on upstream's `main`
 - Wrap NullPointerExceptions when thrown by native code called from JS for readability
   - Summary: These crashing exceptions were really hard to debug in Bugsnag since they don't print the method name. We wrap it and add that.
   - Pull request: https://github.com/facebook/react-native/pull/38060
+- Fix flipper for Xcode 15.3
+  - Summary: Official upstream patch: Xcode 15.3 requires us to add a new import of #include <functional> to ios/Pods/Flipper/xplat/Flipper/FlipperTransportTypes.h
+  - Pull request: https://github.com/facebook/react-native/pull/43345

scripts/cocoapods/utils.rb

@@ -131,6 +131,27 @@ def self.apply_mac_catalyst_patches(installer)
         end
     end
 
+    def self.fix_flipper_for_xcode_15_3(installer)
+        installer.pods_project.targets.each do |target|
+            if target.name == 'Flipper'
+                file_path = 'Pods/Flipper/xplat/Flipper/FlipperTransportTypes.h'
+                if !File.exist?(file_path)
+                    return
+                end
+
+                contents = File.read(file_path)
+                if contents.include?('#include <functional>')
+                    return
+                end
+                mod_content = contents.gsub("#pragma once", "#pragma once\n#include <functional>")
+                File.chmod(0755, file_path)
+                File.open(file_path, 'w') do |file|
+                    file.puts(mod_content)
+                end
+            end
+        end
+    end
+
     private
 
     def self.fix_library_search_path(config)

scripts/react_native_pods.rb

@@ -223,6 +223,7 @@ def react_native_post_install(installer, react_native_path = "../node_modules/re
   ReactNativePodsUtils.exclude_i386_architecture_while_using_hermes(installer)
   ReactNativePodsUtils.fix_library_search_paths(installer)
   ReactNativePodsUtils.set_node_modules_user_settings(installer, react_native_path)
+  ReactNativePodsUtils.fix_flipper_for_xcode_15_3(installer)
 
   NewArchitectureHelper.set_clang_cxx_language_standard_if_needed(installer)
   is_new_arch_enabled = ENV['RCT_NEW_ARCH_ENABLED'] == "1"