From a320dce2fd654d477de114be5fc87ce0b182fb45 Mon Sep 17 00:00:00 2001
From: Phillip Pan <phillippan@meta.com>
Date: Thu, 11 May 2023 21:45:50 -0700
Subject: [PATCH] introduce RCTHostCreationHelpers (#37328)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/37328

Changelog: [Internal]
in this diff, i introduced a C function to be used to create RCTHost that obfuscates away all the C++ arguments. i expect this to be the API that the vast majority of the community will use to create `RCTHost`.

Reviewed By: cipolleschi

Differential Revision: D45678970

fbshipit-source-id: e3479db1bb68d93b3ee2f02598413d2080bb5ea9
---
 .../ios/Core/RCTHostCreationHelpers.h         | 29 +++++++++++++++++++
 .../ios/Core/RCTHostCreationHelpers.mm        | 19 ++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.h
 create mode 100644 packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.mm

diff --git a/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.h b/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.h
new file mode 100644
index 00000000000000..5006e14ef0c63a
--- /dev/null
+++ b/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/RCTDefines.h>
+#import <UIKit/UIKit.h>
+
+#import "RCTHost.h"
+
+@class RCTHost;
+
+@protocol RCTHostDelegate;
+@protocol RCTTurboModuleManagerDelegate;
+
+NS_ASSUME_NONNULL_BEGIN
+
+RCT_EXTERN_C_BEGIN
+
+RCTHost *RCTHostCreateDefault(
+    id<RCTHostDelegate> hostDelegate,
+    id<RCTTurboModuleManagerDelegate> turboModuleManagerDelegate,
+    RCTHostJSEngineProvider jsEngineProvider);
+
+RCT_EXTERN_C_END
+
+NS_ASSUME_NONNULL_END
diff --git a/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.mm b/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.mm
new file mode 100644
index 00000000000000..31d1af728d2691
--- /dev/null
+++ b/packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.mm
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTHostCreationHelpers.h"
+
+RCTHost *RCTHostCreateDefault(
+    id<RCTHostDelegate> hostDelegate,
+    id<RCTTurboModuleManagerDelegate> turboModuleManagerDelegate,
+    RCTHostJSEngineProvider jsEngineProvider)
+{
+  return [[RCTHost alloc] initWithHostDelegate:hostDelegate
+                    turboModuleManagerDelegate:turboModuleManagerDelegate
+                           bindingsInstallFunc:nullptr
+                              jsEngineProvider:jsEngineProvider];
+}