chore: refactor factory initializer

Author: Nazar Sydiaha

example/swift/App.swift

@@ -19,25 +19,25 @@ struct MyApp: App {
 struct ContentView: View {
   var body: some View {
         NavigationView {
-        VStack {
-            Text("React Native Brownfield App")
-            .font(.title)
-            .bold()
-            .padding()
-            .multilineTextAlignment(.center)
-            
-            NavigationLink("Push React Native Screen") {
-            ReactNativeView(moduleName: "ReactNative")
-                .navigationBarHidden(true)
-            }
-            
-            Button("Stop React Native") {
-            ReactNativeBrownfield.shared.stopReactNative()
-            }
-            .buttonStyle(PlainButtonStyle())
-            .padding(.top)
-            .foregroundColor(.red)
-        }
+          VStack {
+              Text("React Native Brownfield App")
+              .font(.title)
+              .bold()
+              .padding()
+              .multilineTextAlignment(.center)
+              
+              NavigationLink("Push React Native Screen") {
+              ReactNativeView(moduleName: "ReactNative")
+                  .navigationBarHidden(true)
+              }
+              
+              Button("Stop React Native") {
+              ReactNativeBrownfield.shared.stopReactNative()
+              }
+              .buttonStyle(PlainButtonStyle())
+              .padding(.top)
+              .foregroundColor(.red)
+          }
         }
     }
 }

ios/ReactNativeBrownfield.swift

@@ -32,13 +32,6 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
   private var onBundleLoaded: (() -> Void)?
   private var delegate = ReactNativeBrownfieldDelegate()
 
-  private func checkFactoryInitialized(launchOptions: [AnyHashable: Any]? = nil) {
-    if reactNativeFactory == nil {
-      delegate.dependencyProvider = RCTAppDependencyProvider()
-      self.reactNativeFactory = RCTReactNativeFactory(delegate: delegate)
-    }
-  }
-  
   /**
    * Path to JavaScript root.
    * Default value: "index"
@@ -76,15 +69,16 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    * Default value: nil
    */
   private var reactNativeFactory: RCTReactNativeFactory? = nil
-  /**
-   * Root view factory used to create React Native views.
-   * Always proxies the currently active React Native factory so restarting
-   * React Native yields a fresh root view factory instance.
-   */
-  private var rootViewFactory: RCTRootViewFactory? {
-    reactNativeFactory?.rootViewFactory
+  private var factory: RCTReactNativeFactory {
+    if let existingFactory = reactNativeFactory {
+      return existingFactory
+    }
+
+    delegate.dependencyProvider = RCTAppDependencyProvider()
+    let createdFactory = RCTReactNativeFactory(delegate: delegate)
+    reactNativeFactory = createdFactory
+    return createdFactory
   }
-  
   /**
    * Starts React Native with default parameters.
    */
@@ -97,9 +91,11 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
     initialProps: [AnyHashable: Any]?,
     launchOptions: [AnyHashable: Any]? = nil
   ) -> UIView? {
-      checkFactoryInitialized(launchOptions: launchOptions)
-      
-      return rootViewFactory?.view(
+    let resolvedFactory = factory
+
+    let rootViewFactory = resolvedFactory.rootViewFactory
+
+    return rootViewFactory.view(
       withModuleName: moduleName,
       initialProperties: initialProps,
       launchOptions: launchOptions
@@ -123,7 +119,8 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    */
   @objc public func startReactNative(onBundleLoaded: (() -> Void)?, launchOptions: [AnyHashable: Any]?) {
     guard reactNativeFactory == nil else { return }
-      checkFactoryInitialized(launchOptions: launchOptions)
+    _ = launchOptions
+    _ = factory
 
     if let onBundleLoaded {
       self.onBundleLoaded = onBundleLoaded