pass in bundle url as a dependency of RCTHost

packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHost.h

@@ -48,10 +48,11 @@ typedef std::shared_ptr<facebook::react::JSEngineInstance> (^RCTHostJSEngineProv
  */
 @interface RCTHost : NSObject
 
-- (instancetype)initWithHostDelegate:(id<RCTHostDelegate>)hostDelegate
-          turboModuleManagerDelegate:(id<RCTTurboModuleManagerDelegate>)turboModuleManagerDelegate
-                 bindingsInstallFunc:(facebook::react::ReactInstance::BindingsInstallFunc)bindingsInstallFunc
-                    jsEngineProvider:(RCTHostJSEngineProvider)jsEngineProvider NS_DESIGNATED_INITIALIZER FB_OBJC_DIRECT;
+- (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                     hostDelegate:(id<RCTHostDelegate>)hostDelegate
+       turboModuleManagerDelegate:(id<RCTTurboModuleManagerDelegate>)turboModuleManagerDelegate
+              bindingsInstallFunc:(facebook::react::ReactInstance::BindingsInstallFunc)bindingsInstallFunc
+                 jsEngineProvider:(RCTHostJSEngineProvider)jsEngineProvider NS_DESIGNATED_INITIALIZER FB_OBJC_DIRECT;
 
 /**
  * This function initializes an RCTInstance if one does not yet exist.  This function is currently only called on the

packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHost.mm

@@ -52,10 +52,11 @@ + (void)initialize
  Host initialization should not be resource intensive. A host may be created before any intention of using React Native
  has been expressed.
  */
-- (instancetype)initWithHostDelegate:(id<RCTHostDelegate>)hostDelegate
-          turboModuleManagerDelegate:(id<RCTTurboModuleManagerDelegate>)turboModuleManagerDelegate
-                 bindingsInstallFunc:(facebook::react::ReactInstance::BindingsInstallFunc)bindingsInstallFunc
-                    jsEngineProvider:(RCTHostJSEngineProvider)jsEngineProvider
+- (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                     hostDelegate:(id<RCTHostDelegate>)hostDelegate
+       turboModuleManagerDelegate:(id<RCTTurboModuleManagerDelegate>)turboModuleManagerDelegate
+              bindingsInstallFunc:(facebook::react::ReactInstance::BindingsInstallFunc)bindingsInstallFunc
+                 jsEngineProvider:(RCTHostJSEngineProvider)jsEngineProvider
 {
   if (self = [super init]) {
     _hostDelegate = hostDelegate;
@@ -78,12 +79,8 @@ - (instancetype)initWithHostDelegate:(id<RCTHostDelegate>)hostDelegate
       return strongSelf->_bundleURL;
     };
 
-    auto bundleURLSetter = ^(NSURL *bundleURL) {
-      RCTHost *strongSelf = weakSelf;
-      if (!strongSelf) {
-        return;
-      }
-      strongSelf->_bundleURL = bundleURL;
+    auto bundleURLSetter = ^(NSURL *bundleURL_) {
+      [weakSelf _setBundleURL:bundleURL];
     };
 
     auto defaultBundleURLGetter = ^NSURL *()
@@ -96,6 +93,7 @@ - (instancetype)initWithHostDelegate:(id<RCTHostDelegate>)hostDelegate
       return [strongSelf->_hostDelegate getBundleURL];
     };
 
+    [self _setBundleURL:bundleURL];
     [_bundleManager setBridgelessBundleURLGetter:bundleURLGetter
                                        andSetter:bundleURLSetter
                                 andDefaultGetter:defaultBundleURLGetter];
@@ -144,8 +142,6 @@ - (void)start
         @"RCTHost should not be creating a new instance if one already exists. This implies there is a bug with how/when this method is being called.");
     [_instance invalidate];
   }
-  [self _refreshBundleURL];
-  RCTReloadCommandSetBundleURL(_bundleURL);
   _instance = [[RCTInstance alloc] initWithDelegate:self
                                    jsEngineInstance:[self _provideJSEngine]
                                       bundleManager:_bundleManager
@@ -204,8 +200,7 @@ - (void)didReceiveReloadCommand
 {
   [_instance invalidate];
   _instance = nil;
-  [self _refreshBundleURL];
-  RCTReloadCommandSetBundleURL(_bundleURL);
+  [self _setBundleURL:[_hostDelegate getBundleURL]];
 
   // Ensure all attached surfaces are restarted after reload
   {
@@ -272,19 +267,6 @@ - (void)registerSegmentWithId:(NSNumber *)segmentId path:(NSString *)path
 
 #pragma mark - Private
 
-- (void)_refreshBundleURL FB_OBJC_DIRECT
-{
-  // Reset the _bundleURL ivar if the RCTHost delegate presents a new bundleURL
-  NSURL *newDelegateBundleURL = [_hostDelegate getBundleURL];
-  if (newDelegateBundleURL && ![newDelegateBundleURL isEqual:_oldDelegateBundleURL]) {
-    _oldDelegateBundleURL = newDelegateBundleURL;
-    _bundleURL = newDelegateBundleURL;
-  }
-
-  // Sanitize the bundle URL
-  _bundleURL = [RCTConvert NSURL:_bundleURL.absoluteString];
-}
-
 - (void)_attachSurface:(RCTFabricSurface *)surface FB_OBJC_DIRECT
 {
   _attachedSurfaces.push_back(surface);
@@ -311,4 +293,20 @@ - (void)_attachSurface:(RCTFabricSurface *)surface FB_OBJC_DIRECT
   return jsEngine;
 }
 
+- (void)_setBundleURL:(NSURL *)bundleURL
+{
+  // Reset the _bundleURL ivar if the RCTHost delegate presents a new bundleURL
+  NSURL *newDelegateBundleURL = bundleURL;
+  if (newDelegateBundleURL && ![newDelegateBundleURL isEqual:_oldDelegateBundleURL]) {
+    _oldDelegateBundleURL = newDelegateBundleURL;
+    _bundleURL = newDelegateBundleURL;
+  }
+
+  // Sanitize the bundle URL
+  _bundleURL = [RCTConvert NSURL:_bundleURL.absoluteString];
+
+  // Update the global bundle URLq
+  RCTReloadCommandSetBundleURL(_bundleURL);
+}
+
 @end

packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.h

@@ -20,6 +20,7 @@ NS_ASSUME_NONNULL_BEGIN
 RCT_EXTERN_C_BEGIN
 
 RCTHost *RCTHostCreateDefault(
+    NSURL *bundleURL,
     id<RCTHostDelegate> hostDelegate,
     id<RCTTurboModuleManagerDelegate> turboModuleManagerDelegate,
     RCTHostJSEngineProvider jsEngineProvider);

packages/react-native/ReactCommon/react/bridgeless/platform/ios/Core/RCTHostCreationHelpers.mm

@@ -8,12 +8,14 @@
 #import "RCTHostCreationHelpers.h"
 
 RCTHost *RCTHostCreateDefault(
+    NSURL *bundleURL,
     id<RCTHostDelegate> hostDelegate,
     id<RCTTurboModuleManagerDelegate> turboModuleManagerDelegate,
     RCTHostJSEngineProvider jsEngineProvider)
 {
-  return [[RCTHost alloc] initWithHostDelegate:hostDelegate
-                    turboModuleManagerDelegate:turboModuleManagerDelegate
-                           bindingsInstallFunc:nullptr
-                              jsEngineProvider:jsEngineProvider];
+  return [[RCTHost alloc] initWithBundleURL:bundleURL
+                               hostDelegate:hostDelegate
+                 turboModuleManagerDelegate:turboModuleManagerDelegate
+                        bindingsInstallFunc:nullptr
+                           jsEngineProvider:jsEngineProvider];
 }