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feat: implement RCTReactController and RCTSwiftUIAppDelegate
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-53
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10 files changed

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

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#import <React/RCTBridgeDelegate.h>
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#import <UIKit/UIKit.h>
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@interface RCTReactController : UIViewController
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@property (nonatomic, strong) NSString * _Nonnull moduleName;
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@property (nonatomic, strong) NSDictionary * _Nullable initialProps;
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- (instancetype _Nonnull)initWithModuleName:(NSString * _Nonnull)moduleName
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initProps:(NSDictionary * _Nullable)initProps;
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@end

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

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#import "RCTReactController.h"
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#import <React/RCTCxxBridgeDelegate.h>
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#import <React/RCTLog.h>
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#import <React/RCTRootView.h>
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#import <React/RCTSurfacePresenterBridgeAdapter.h>
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#import <React/RCTUtils.h>
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#import <react/renderer/runtimescheduler/RuntimeScheduler.h>
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#import "RCTAppSetupUtils.h"
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#import <React/RCTUtils.h>
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#if RN_DISABLE_OSS_PLUGIN_HEADER
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#import <RCTTurboModulePlugin/RCTTurboModulePlugin.h>
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#else
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#import <React/CoreModulesPlugins.h>
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#endif
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#import <React/RCTBundleURLProvider.h>
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#import <React/RCTComponentViewFactory.h>
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#import <React/RCTComponentViewProtocol.h>
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#import <React/RCTFabricSurface.h>
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#import <React/RCTSurfaceHostingProxyRootView.h>
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#import <React/RCTSurfacePresenter.h>
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#import <ReactCommon/RCTContextContainerHandling.h>
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#if USE_HERMES
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#import <ReactCommon/RCTHermesInstance.h>
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#else
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#import <ReactCommon/RCTJscInstance.h>
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#endif
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#import <ReactCommon/RCTHost+Internal.h>
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#import <ReactCommon/RCTHost.h>
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#import <ReactCommon/RCTTurboModuleManager.h>
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#import <react/config/ReactNativeConfig.h>
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#import <react/renderer/runtimescheduler/RuntimeScheduler.h>
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#import <react/renderer/runtimescheduler/RuntimeSchedulerCallInvoker.h>
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#import <react/runtime/JSRuntimeFactory.h>
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static NSString *const kRNConcurrentRoot = @"concurrentRoot";
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static NSDictionary *updateInitialProps(NSDictionary *initialProps, BOOL isFabricEnabled)
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{
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NSMutableDictionary *mutableProps = [initialProps mutableCopy] ?: [NSMutableDictionary new];
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// Hardcoding the Concurrent Root as it it not recommended to
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// have the concurrentRoot turned off when Fabric is enabled.
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mutableProps[kRNConcurrentRoot] = @(isFabricEnabled);
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return mutableProps;
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}
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@implementation RCTReactController
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- (instancetype)initWithModuleName:(NSString *)moduleName initProps:(NSDictionary *)initProps {
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if (self = [super init]) {
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_moduleName = moduleName;
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_initialProps = initProps;
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}
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return self;
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}
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- (void)loadView {
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BOOL fabricEnabled = self.fabricEnabled;
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BOOL enableBridgeless = self.bridgelessEnabled;
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NSDictionary *initProps = updateInitialProps([self prepareInitialProps], fabricEnabled);
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UIView *rootView;
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if (enableBridgeless) {
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// TODO: Fix Bridgeless mode
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// RCTFabricSurface *surface = [_reactHost createSurfaceWithModuleName:self.moduleName initialProperties:initProps];
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// RCTSurfaceHostingProxyRootView *surfaceHostingProxyRootView = [[RCTSurfaceHostingProxyRootView alloc]
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// initWithSurface:surface
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// sizeMeasureMode:RCTSurfaceSizeMeasureModeWidthExact | RCTSurfaceSizeMeasureModeHeightExact];
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// rootView = (RCTRootView *)surfaceHostingProxyRootView;
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} else {
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RCTBridge* bridge = [RCTSharedApplication().delegate performSelector:@selector(bridge)];
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rootView = [self createRootViewWithBridge:bridge moduleName:self.moduleName initProps:initProps];
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}
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// Set rootView to the main of this view controller.
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self.view = rootView;
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}
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- (UIView *)createRootViewWithBridge:(RCTBridge *)bridge
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moduleName:(NSString *)moduleName
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initProps:(NSDictionary *)initProps
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{
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BOOL enableFabric = self.fabricEnabled;
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UIView *rootView = RCTAppSetupDefaultRootView(bridge, moduleName, initProps, enableFabric);
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rootView.backgroundColor = [UIColor systemBackgroundColor];
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return rootView;
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}
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- (NSDictionary *)prepareInitialProps
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{
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return self.initialProps;
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}
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- (BOOL)newArchEnabled
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{
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return [RCTSharedApplication().delegate performSelector:@selector(newArchEnabled)];
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}
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- (BOOL)turboModuleEnabled
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{
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return [self newArchEnabled];
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}
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- (BOOL)fabricEnabled
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{
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return [self newArchEnabled];
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}
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- (BOOL)bridgelessEnabled
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{
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return [RCTSharedApplication().delegate performSelector:@selector(bridgelessEnabled)];
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}
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@end

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

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#import <React/RCTBridgeDelegate.h>
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#import <UIKit/UIKit.h>
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@class RCTBridge;
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@protocol RCTBridgeDelegate;
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@protocol RCTComponentViewProtocol;
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@class RCTRootView;
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@class RCTSurfacePresenterBridgeAdapter;
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NS_ASSUME_NONNULL_BEGIN
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@interface RCTSwiftUIAppDelegate : UIResponder <UIApplicationDelegate, RCTBridgeDelegate>
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@property (nonatomic, strong, nonnull) UIWindow *window;
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@property (nonatomic, strong, nullable) RCTBridge *bridge;
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@property (nonatomic, strong, nullable) NSDictionary *initialProps;
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@property (nonatomic, strong, nullable) RCTSurfacePresenterBridgeAdapter *bridgeAdapter;
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/// This method returns a map of Component Descriptors and Components classes that needs to be registered in the
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/// new renderer. The Component Descriptor is a string which represent the name used in JS to refer to the native
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/// component. The default implementation returns an empty dictionary. Subclasses can override this method to register
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/// the required components.
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///
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/// @return a dictionary that associate a component for the new renderer with his descriptor.
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- (NSDictionary<NSString *, Class<RCTComponentViewProtocol>> *_Nullable)thirdPartyFabricComponents;
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/// This method controls whether the `turboModules` feature of the New Architecture is turned on or off.
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///
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/// @note: This is required to be rendering on Fabric (i.e. on the New Architecture).
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/// @return: `true` if the Turbo Native Module are enabled. Otherwise, it returns `false`.
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- (BOOL)turboModuleEnabled;
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/// This method controls whether the App will use the Fabric renderer of the New Architecture or not.
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///
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/// @return: `true` if the Fabric Renderer is enabled. Otherwise, it returns `false`.
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- (BOOL)fabricEnabled;
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/// This method controls whether React Native's new initialization layer is enabled.
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///
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/// @return: `true` if the new initialization layer is enabled. Otherwise returns `false`.
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- (BOOL)bridgelessEnabled;
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- (NSURL *)bundleURL;
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@end
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NS_ASSUME_NONNULL_END

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