feat: add method to deallocate reactNativeFactory instance for iOS

docs/OBJECTIVE_C.md

@@ -70,6 +70,16 @@ Examples:
 }, launchOptions];
 ```
 
+`stopReactNative`
+
+Stops React Native and releases the underlying runtime. Safe to call multiple times. Call it after all React Native views are dismissed.
+
+Examples:
+
+```objc
+[[ReactNativeBrownfield shared] stopReactNative];
+```
+
 `view`
 
 Creates a React Native view for the specified module name.

docs/SWIFT.md

@@ -70,6 +70,16 @@ ReactNativeBrownfield.shared.startReactNative(onBundleLoaded: {
 }, launchOptions: launchOptions)
 ```
 
+`stopReactNative`
+
+Stops React Native and releases the underlying runtime. Safe to call multiple times. Call it after all React Native views are dismissed.
+
+Examples:
+
+```swift
+ReactNativeBrownfield.shared.stopReactNative()
+```
+
 `view`
 
 Creates a React Native view for the specified module name.

example/swift/App.swift

@@ -17,19 +17,27 @@ struct MyApp: App {
 }
 
 struct ContentView: View {
-    var body: some View {
+  var body: some View {
         NavigationView {
-            VStack {
-                Text("React Native Brownfield App")
-                    .font(.title)
-                    .bold()
-                    .padding()
-
-                NavigationLink("Push React Native Screen") {
-                    ReactNativeView(moduleName: "ReactNative")
-                        .navigationBarHidden(true)
-                }
-            }
-        }.navigationViewStyle(StackNavigationViewStyle())
+          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)
+          }
+        }
     }
 }

example/swift/Podfile.lock

@@ -2322,7 +2322,7 @@ PODS:
     - SocketRocket
   - ReactAppDependencyProvider (0.82.1):
     - ReactCodegen
-  - ReactBrownfield (1.2.0):
+  - ReactBrownfield (2.0.1):
     - boost
     - DoubleConversion
     - fast_float
@@ -2811,12 +2811,12 @@ SPEC CHECKSUMS:
   React-utils: abf37b162f560cd0e3e5d037af30bb796512246d
   React-webperformancenativemodule: 50a57c713a90d27ae3ab947a6c9c8859bcb49709
   ReactAppDependencyProvider: a45ef34bb22dc1c9b2ac1f74167d9a28af961176
-  ReactBrownfield: ba90b7c2be36c3ef4ad47e777610ca7c2b0fdf06
+  ReactBrownfield: 10f9f7370cd8bd6ef30eb9c736d774f9d17565f7
   ReactCodegen: 878add6c7d8ff8cea87697c44d29c03b79b6f2d9
   ReactCommon: 804dc80944fa90b86800b43c871742ec005ca424
   RNScreens: d821082c6dd1cb397cc0c98b026eeafaa68be479
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
-  Yoga: 8e01cef9947ca77f0477a098f0b32848a8e448c6
+  Yoga: 689c8e04277f3ad631e60fe2a08e41d411daf8eb
 
 PODFILE CHECKSUM: c4add71d30d7b14523f41a732fbf4937f4edbe0f
 

ios/ReactNativeBrownfield.swift

@@ -31,6 +31,7 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
   public static let shared = ReactNativeBrownfield()
   private var onBundleLoaded: (() -> Void)?
   private var delegate = ReactNativeBrownfieldDelegate()
+  private var storedLaunchOptions: [AnyHashable: Any]?
 
   /**
    * Path to JavaScript root.
@@ -69,13 +70,16 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    * Default value: nil
    */
   private var reactNativeFactory: RCTReactNativeFactory? = nil
-  /**
-   * Root view factory used to create React Native views.
-   */
-  lazy private var rootViewFactory: RCTRootViewFactory? = {
-    return 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.
    */
@@ -88,10 +92,15 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
     initialProps: [AnyHashable: Any]?,
     launchOptions: [AnyHashable: Any]? = nil
   ) -> UIView? {
-    rootViewFactory?.view(
+    let resolvedFactory = factory
+
+    let rootViewFactory = resolvedFactory.rootViewFactory
+    let resolvedLaunchOptions = launchOptions ?? storedLaunchOptions
+
+    return rootViewFactory.view(
       withModuleName: moduleName,
       initialProperties: initialProps,
-      launchOptions: launchOptions
+      launchOptions: resolvedLaunchOptions
     )
   }
 
@@ -111,10 +120,9 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
    * @param launchOptions Launch options, typically passed from AppDelegate.
    */
   @objc public func startReactNative(onBundleLoaded: (() -> Void)?, launchOptions: [AnyHashable: Any]?) {
+    storedLaunchOptions = launchOptions
     guard reactNativeFactory == nil else { return }
-
-    delegate.dependencyProvider = RCTAppDependencyProvider()
-    self.reactNativeFactory = RCTReactNativeFactory(delegate: delegate)
+    _ = factory
 
     if let onBundleLoaded {
       self.onBundleLoaded = onBundleLoaded
@@ -136,6 +144,26 @@ class ReactNativeBrownfieldDelegate: RCTDefaultReactNativeFactoryDelegate {
     }
   }
 
+  /**
+   * Stops React Native and releases the underlying factory instance.
+   */
+  @objc public func stopReactNative() {
+    if !Thread.isMainThread {
+      DispatchQueue.main.async { [weak self] in self?.stopReactNative() }
+      return
+    }
+
+    guard let factory = reactNativeFactory else { return }
+
+    factory.bridge?.invalidate()
+
+    NotificationCenter.default.removeObserver(self)
+    onBundleLoaded = nil
+
+    storedLaunchOptions = nil
+    reactNativeFactory = nil
+  }
+
   @objc private func jsLoaded(_ notification: Notification) {
     onBundleLoaded?()
     onBundleLoaded = nil