iOS: Add new RCTCustomBundleConfiguration for modifying bundle URL

packages/react-native/Libraries/AppDelegate/RCTReactNativeFactory.h

@@ -24,6 +24,7 @@
 @class RCTBridge;
 @protocol RCTComponentViewProtocol;
 @class RCTSurfacePresenterBridgeAdapter;
+@class RCTCustomBundleConfiguration;
 @class RCTDevMenuConfiguration;
 
 NS_ASSUME_NONNULL_BEGIN
@@ -117,6 +118,8 @@ typedef NS_ENUM(NSInteger, RCTReleaseLevel) { Canary, Experimental, Stable };
 
 @property (nonatomic, weak) id<RCTReactNativeFactoryDelegate> delegate;
 
+@property (nonatomic, nullable) RCTCustomBundleConfiguration *customBundleConfiguration;
+
 @property (nonatomic, nullable) RCTDevMenuConfiguration *devMenuConfiguration;
 
 @end

packages/react-native/Libraries/AppDelegate/RCTReactNativeFactory.mm

@@ -6,6 +6,7 @@
  */
 
 #import "RCTReactNativeFactory.h"
+#import <React/RCTBundleManager.h>
 #import <React/RCTColorSpaceUtils.h>
 #import <React/RCTDevMenu.h>
 #import <React/RCTLog.h>
@@ -59,6 +60,8 @@ - (instancetype)initWithDelegate:(id<RCTReactNativeFactoryDelegate>)delegate rel
     self.rootViewFactory = [self createRCTRootViewFactory];
 
     [RCTComponentViewFactory currentComponentViewFactory].thirdPartyFabricComponentsProvider = self;
+
+    self.customBundleConfiguration = [[RCTCustomBundleConfiguration alloc] init];
   }
 
   return self;
@@ -84,6 +87,7 @@ - (void)startReactNativeWithModuleName:(NSString *)moduleName
   UIView *rootView = [self.rootViewFactory viewWithModuleName:moduleName
                                             initialProperties:initialProperties
                                                 launchOptions:launchOptions
+                                    customBundleConfiguration:self.customBundleConfiguration
                                          devMenuConfiguration:self.devMenuConfiguration];
   UIViewController *rootViewController = [_delegate createRootViewController];
   [_delegate setRootView:rootView toRootViewController:rootViewController];

packages/react-native/Libraries/AppDelegate/RCTRootViewFactory.h

@@ -18,6 +18,7 @@
 @class RCTHost;
 @class RCTRootView;
 @class RCTSurfacePresenterBridgeAdapter;
+@class RCTCustomBundleConfiguration;
 @class RCTDevMenuConfiguration;
 
 NS_ASSUME_NONNULL_BEGIN
@@ -202,11 +203,13 @@ typedef void (^RCTLoadSourceForBridgeBlock)(RCTBridge *bridge, RCTSourceLoadBloc
  * @parameter: moduleName  - the name of the app, used by Metro to resolve the module.
  * @parameter: initialProperties  -  a set of initial properties.
  * @parameter: launchOptions  - a dictionary with a set of options.
+ * @parameter: customBundleConfiguration  - a configuration for custom bundle source URL.
  * @parameter: devMenuConfiguration - a configuration for enabling/disabling dev menu.
  */
 - (UIView *_Nonnull)viewWithModuleName:(NSString *)moduleName
                      initialProperties:(NSDictionary *__nullable)initialProperties
                          launchOptions:(NSDictionary *__nullable)launchOptions
+             customBundleConfiguration:(RCTCustomBundleConfiguration *__nullable)customBundleConfiguration
                   devMenuConfiguration:(RCTDevMenuConfiguration *__nullable)devMenuConfiguration;
 
 - (UIView *_Nonnull)viewWithModuleName:(NSString *)moduleName
@@ -226,15 +229,18 @@ typedef void (^RCTLoadSourceForBridgeBlock)(RCTBridge *bridge, RCTSourceLoadBloc
  * Use it to speed up later viewWithModuleName: calls.
  *
  * @parameter: launchOptions  - a dictionary with a set of options.
+ * @parameter: customBundleConfiguration  - a configuration for custom bundle source URL.
  * @parameter: devMenuConfiguration - a configuration for enabling/disabling dev menu.
  */
 - (void)initializeReactHostWithLaunchOptions:(NSDictionary *__nullable)launchOptions
+                   customBundleConfiguration:(RCTCustomBundleConfiguration *__nullable)customBundleConfiguration
                         devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration;
 
-- (RCTHost *)createReactHost:(NSDictionary *__nullable)launchOptions;
-
 - (RCTHost *)createReactHost:(NSDictionary *__nullable)launchOptions
-        devMenuConfiguration:(RCTDevMenuConfiguration *__nullable)devMenuConfiguration;
+    customBundleConfiguration:(RCTCustomBundleConfiguration *__nullable)customBundleConfiguration
+         devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration;
+
+- (RCTHost *)createReactHost:(NSDictionary *__nullable)launchOptions;
 
 @end
 

packages/react-native/Libraries/AppDelegate/RCTRootViewFactory.mm

@@ -21,7 +21,6 @@
 #else
 #import <React/CoreModulesPlugins.h>
 #endif
-#import <React/RCTBundleURLProvider.h>
 #import <React/RCTComponentViewFactory.h>
 #import <React/RCTComponentViewProtocol.h>
 #import <React/RCTFabricSurface.h>
@@ -137,6 +136,7 @@ - (UIView *)viewWithModuleName:(NSString *)moduleName initialProperties:(NSDicti
   return [self viewWithModuleName:moduleName
                 initialProperties:initialProperties
                     launchOptions:nil
+            customBundleConfiguration:nil
              devMenuConfiguration:[RCTDevMenuConfiguration defaultConfiguration]];
 }
 
@@ -145,17 +145,21 @@ - (UIView *)viewWithModuleName:(NSString *)moduleName
   return [self viewWithModuleName:moduleName
                 initialProperties:nil
                     launchOptions:nil
+          customBundleConfiguration:nil
              devMenuConfiguration:[RCTDevMenuConfiguration defaultConfiguration]];
 }
 
 - (void)initializeReactHostWithLaunchOptions:(NSDictionary *)launchOptions
+                   customBundleConfiguration:(RCTCustomBundleConfiguration *)customBundleConfiguration
                         devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration
 {
   // Enable TurboModule interop by default in Bridgeless mode
   RCTEnableTurboModuleInterop(YES);
   RCTEnableTurboModuleInteropBridgeProxy(YES);
 
-  [self createReactHostIfNeeded:launchOptions devMenuConfiguration:devMenuConfiguration];
+  [self createReactHostIfNeeded:launchOptions
+      customBundleConfiguration:customBundleConfiguration
+           devMenuConfiguration:devMenuConfiguration];
   return;
 }
 
@@ -166,15 +170,19 @@ - (UIView *)viewWithModuleName:(NSString *)moduleName
   return [self viewWithModuleName:moduleName
                 initialProperties:initialProperties
                     launchOptions:launchOptions
+        customBundleConfiguration:nil
              devMenuConfiguration:[RCTDevMenuConfiguration defaultConfiguration]];
 }
 
 - (UIView *)viewWithModuleName:(NSString *)moduleName
              initialProperties:(NSDictionary *)initProps
                  launchOptions:(NSDictionary *)launchOptions
+     customBundleConfiguration:(RCTCustomBundleConfiguration *)customBundleConfiguration
           devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration
 {
-  [self initializeReactHostWithLaunchOptions:launchOptions devMenuConfiguration:devMenuConfiguration];
+  [self initializeReactHostWithLaunchOptions:launchOptions
+                   customBundleConfiguration:customBundleConfiguration
+                        devMenuConfiguration:devMenuConfiguration];
 
   RCTFabricSurface *surface = [self.reactHost createSurfaceWithModuleName:moduleName
                                                         initialProperties:initProps ? initProps : @{}];
@@ -245,21 +253,28 @@ - (void)createBridgeAdapterIfNeeded
 #pragma mark - New Arch Utilities
 
 - (void)createReactHostIfNeeded:(NSDictionary *)launchOptions
+      customBundleConfiguration:(RCTCustomBundleConfiguration *)customBundleConfiguration
            devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration
 {
   if (self.reactHost) {
     return;
   }
-  self.reactHost = [self createReactHost:launchOptions devMenuConfiguration:devMenuConfiguration];
+
+  self.reactHost = [self createReactHost:launchOptions
+               customBundleConfiguration:customBundleConfiguration
+                    devMenuConfiguration:devMenuConfiguration];
 }
 
 - (RCTHost *)createReactHost:(NSDictionary *)launchOptions
 {
-  return [self createReactHost:launchOptions devMenuConfiguration:[RCTDevMenuConfiguration defaultConfiguration]];
+  return [self createReactHost:launchOptions
+      customBundleConfiguration:nil
+           devMenuConfiguration:[RCTDevMenuConfiguration defaultConfiguration]];
 }
 
 - (RCTHost *)createReactHost:(NSDictionary *)launchOptions
-        devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration
+    customBundleConfiguration:(RCTCustomBundleConfiguration *)customBundleConfiguration
+         devMenuConfiguration:(RCTDevMenuConfiguration *)devMenuConfiguration
 {
   __weak __typeof(self) weakSelf = self;
   RCTHost *reactHost =
@@ -270,6 +285,7 @@ - (RCTHost *)createReactHost:(NSDictionary *)launchOptions
                                   return [weakSelf createJSRuntimeFactory];
                                 }
                                    launchOptions:launchOptions
+                       customBundleConfiguration:customBundleConfiguration
                             devMenuConfiguration:devMenuConfiguration];
   [reactHost setBundleURLProvider:^NSURL *() {
     return [weakSelf bundleURL];

packages/react-native/React/Base/RCTBundleManager.h

@@ -12,6 +12,45 @@
 typedef NSURL * (^RCTBridgelessBundleURLGetter)(void);
 typedef void (^RCTBridgelessBundleURLSetter)(NSURL *bundleURL);
 
+/**
+ * Configuration class for setting up custom bundle locations
+ */
+@interface RCTCustomBundleConfiguration : NSObject
+
+/**
+ * The URL of the bundle to load from the file system
+ */
+@property (nonatomic, readonly, nullable) NSURL *bundleFilePath;
+
+/**
+ * The server scheme (e.g. http or https) to use when loading from the packager
+ */
+@property (nonatomic, readonly, nullable) NSString *packagerServerScheme;
+
+/**
+ * The server host (e.g. localhost) to use when loading from the packager
+ */
+@property (nonatomic, readonly, nullable) NSString *packagerServerHost;
+
+/**
+ * The relative path to the bundle.
+ */
+@property (nonatomic, readonly, nullable) NSString *bundlePath;
+
+- (instancetype)initWithBundleFilePath:(NSURL *)bundleFilePath;
+
+- (instancetype)initWithPackagerServerScheme:(NSString *)packagerServerScheme
+                          packagerServerHost:(NSString *)packagerServerHost
+                                  bundlePath:(NSString *)bundlePath;
+
+- (NSURL *)getBundleURL:(NSURL *__nullable (^)(void))fallbackURLProvider;
+
+- (NSString *)getPackagerServerScheme;
+
+- (NSString *)getPackagerServerHost;
+
+@end
+
 /**
  * A class that allows NativeModules/TurboModules to read/write the bundleURL, with or without the bridge.
  */
@@ -24,4 +63,5 @@ typedef void (^RCTBridgelessBundleURLSetter)(NSURL *bundleURL);
                     andDefaultGetter:(RCTBridgelessBundleURLGetter)defaultGetter;
 - (void)resetBundleURL;
 @property NSURL *bundleURL;
+@property (nonatomic, nullable) RCTCustomBundleConfiguration *customBundleConfig;
 @end

packages/react-native/React/Base/RCTBundleManager.m

@@ -6,9 +6,81 @@
  */
 
 #import "RCTBundleManager.h"
+#import <React/RCTBundleURLProvider.h>
 #import "RCTAssert.h"
 #import "RCTBridge+Private.h"
 #import "RCTBridge.h"
+#import "RCTLog.h"
+
+@implementation RCTCustomBundleConfiguration
+
+- (instancetype)initWithBundleFilePath:(NSURL *)bundleFilePath
+{
+  if (self = [super init]) {
+    _bundleFilePath = bundleFilePath;
+  }
+
+  return self;
+}
+
+- (instancetype)initWithPackagerServerScheme:(NSString *)packagerServerScheme
+                          packagerServerHost:(NSString *)packagerServerHost
+                                  bundlePath:(NSString *)bundlePath
+{
+  if (self = [super init]) {
+    _packagerServerScheme = packagerServerScheme;
+    _packagerServerHost = packagerServerHost;
+    _bundlePath = bundlePath;
+  }
+
+  return self;
+}
+
+- (NSString *)getPackagerServerScheme
+{
+  if (!_packagerServerScheme) {
+    return [[RCTBundleURLProvider sharedSettings] packagerScheme];
+  }
+
+  return _packagerServerScheme;
+}
+
+- (NSString *)getPackagerServerHost
+{
+  if (!_packagerServerHost) {
+    return [[RCTBundleURLProvider sharedSettings] packagerServerHostPort];
+  }
+
+  return _packagerServerHost;
+}
+
+- (NSURL *)getBundleURL:(NSURL * (^)(void))fallbackURLProvider
+{
+  if (_packagerServerScheme && _packagerServerHost) {
+    NSArray<NSURLQueryItem *> *jsBundleURLQuery =
+        [[RCTBundleURLProvider sharedSettings] createJSBundleURLQuery:_packagerServerHost
+                                                       packagerScheme:_packagerServerScheme];
+
+    NSString *path = [NSString stringWithFormat:@"/%@.bundle", _bundlePath];
+    return [[RCTBundleURLProvider class] resourceURLForResourcePath:path
+                                                       packagerHost:_packagerServerHost
+                                                             scheme:_packagerServerScheme
+                                                         queryItems:jsBundleURLQuery];
+  }
+
+  if (_bundleFilePath) {
+    if (!_bundleFilePath.fileURL) {
+      RCTLogError(@"Bundle file path must be a file URL");
+      return nil;
+    }
+
+    return _bundleFilePath;
+  }
+
+  return fallbackURLProvider();
+}
+
+@end
 
 @implementation RCTBundleManager {
 #ifndef RCT_REMOVE_LEGACY_ARCH
@@ -18,6 +90,7 @@ @implementation RCTBundleManager {
   RCTBridgelessBundleURLSetter _bridgelessBundleURLSetter;
   RCTBridgelessBundleURLGetter _bridgelessBundleURLDefaultGetter;
 }
+@synthesize customBundleConfig;
 
 #ifndef RCT_REMOVE_LEGACY_ARCH
 - (void)setBridge:(RCTBridge *)bridge

packages/react-native/React/Base/RCTBundleURLProvider.h

@@ -97,6 +97,19 @@ NS_ASSUME_NONNULL_BEGIN
                               resourceExtension:(NSString *)extension
                                   offlineBundle:(NSBundle *)offlineBundle;
 
+- (NSArray<NSURLQueryItem *> *)createJSBundleURLQuery:(NSString *)packagerHost
+                                       packagerScheme:(NSString *__nullable)scheme;
+
++ (NSArray<NSURLQueryItem *> *)createJSBundleURLQuery:(NSString *)packagerHost
+                packagerScheme:(NSString *__nullable)scheme
+                     enableDev:(BOOL)enableDev
+            enableMinification:(BOOL)enableMinification
+               inlineSourceMap:(BOOL)inlineSourceMap
+                   modulesOnly:(BOOL)modulesOnly
+                     runModule:(BOOL)runModule
+             additionalOptions:(NSDictionary<NSString *, NSString *>
+                                *__nullable)additionalOptions;
+
 /**
  * The IP address or hostname of the packager.
  */