chore: refactor factory initializer

Author: Nazar Sydiaha

ios/ReactNativeBrownfield.swift

@@ -32,12 +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.
@@ -76,12 +70,23 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    * Default value: nil
    */
   private var reactNativeFactory: RCTReactNativeFactory? = nil
+  
+  private var factory: RCTReactNativeFactory? {
+    if let existingFactory = reactNativeFactory {
+      return existingFactory
+    }
+
+    delegate.dependencyProvider = RCTAppDependencyProvider()
+    let createdFactory = RCTReactNativeFactory(delegate: delegate)
+    reactNativeFactory = createdFactory
+    return createdFactory
+  }
   /**
    * Root view factory used to create React Native views.
    */
-  lazy private var rootViewFactory: RCTRootViewFactory? = {
-    return reactNativeFactory?.rootViewFactory
-  }()
+  private var rootViewFactory: RCTRootViewFactory? {
+    factory?.rootViewFactory
+  }
 
   /**
    * Starts React Native with default parameters.
@@ -95,9 +100,9 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
     initialProps: [AnyHashable: Any]?,
     launchOptions: [AnyHashable: Any]? = nil
   ) -> UIView? {
-      checkFactoryInitialized(launchOptions: launchOptions)
-      
-      return reactNativeFactory?.rootViewFactory.view(
+    guard let rootViewFactory else { return nil }
+
+    return rootViewFactory.view(
       withModuleName: moduleName,
       initialProperties: initialProps,
       launchOptions: launchOptions
@@ -121,7 +126,7 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    */
   @objc public func startReactNative(onBundleLoaded: (() -> Void)?, launchOptions: [AnyHashable: Any]?) {
     guard reactNativeFactory == nil else { return }
-      checkFactoryInitialized(launchOptions: launchOptions)
+    _ = factory
 
     if let onBundleLoaded {
       self.onBundleLoaded = onBundleLoaded