From 8d1688fd0ee30d53c2e4fe0ac3f39a7b2e125718 Mon Sep 17 00:00:00 2001
From: Thiago Vinhas <thiago@vinhas.net>
Date: Wed, 13 May 2026 14:45:28 -0500
Subject: [PATCH] fix(macos): expose React-RCTUIKit module to RCTSwiftUI Swift
 consumers

---
 .../ReactApple/RCTSwiftUI/RCTSwiftUI.podspec      |  8 ++++++++
 .../RCTSwiftUI/RCTSwiftUIContainerView.swift      | 15 +++++++++++----
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUI.podspec b/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUI.podspec
index 4fae2c71426a..45c1b4c40946 100644
--- a/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUI.podspec
+++ b/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUI.podspec
@@ -30,6 +30,14 @@ Pod::Spec.new do |s|
   s.module_name            = "RCTSwiftUI"
   s.header_dir             = "RCTSwiftUI"
 
+  # [macOS] Expose the React_RCTUIKit clang module to Swift so
+  # RCTSwiftUIContainerView.swift can `import React_RCTUIKit` and pick up
+  # the ObjC `@compatibility_alias RCTUIColor → NSColor` / `RCTPlatformView`
+  # without re-declaring them as Swift typealiases. The dep is harmless on
+  # iOS (the umbrella headers are mostly typedef-only there); kept
+  # unconditional to preserve parity with the rest of the apple pods.
+  s.dependency "React-RCTUIKit"
+
   # Swift-specific configuration
   s.pod_target_xcconfig    = {
     "SWIFT_VERSION" => "5.0",
diff --git a/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUIContainerView.swift b/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUIContainerView.swift
index 20c64858e79c..52297cec751b 100644
--- a/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUIContainerView.swift
+++ b/packages/react-native/ReactApple/RCTSwiftUI/RCTSwiftUIContainerView.swift
@@ -6,6 +6,17 @@
  */
 
 import SwiftUI
+// [macOS] Pull in the ObjC @compatibility_alias declarations for
+// `RCTPlatformView` (UIView/NSView) and `RCTUIColor` (UIColor/NSColor)
+// from RCTUIKit. Without this import the Swift file used to re-declare
+// these as local `public typealias`es, which shadowed the ObjC aliases
+// and forced every consumer of this module to choose between the Swift
+// and ObjC name. After the React-RCTUIKit pod dep is wired in
+// RCTSwiftUI.podspec, the import is the canonical source of truth.
+// `RCTPlatformHostingController` stays as a Swift typealias below — it
+// wraps NSHostingController / UIHostingController which are SwiftUI
+// generics and not in the ObjC compat layer.
+import React_RCTUIKit
 #if os(macOS) // [macOS
 import AppKit
 #else
@@ -13,12 +24,8 @@ import UIKit
 #endif // macOS]
 
 #if os(macOS) // [macOS
-public typealias RCTPlatformView = NSView
-public typealias RCTUIColor = NSColor
 public typealias RCTPlatformHostingController = NSHostingController
 #else
-public typealias RCTPlatformView = UIView
-public typealias RCTUIColor = UIColor
 public typealias RCTPlatformHostingController = UIHostingController
 #endif // macOS]