feat: support for linking in iOS (#268)

* feat: support linking in Expo

* chore: add changeset

Author: artus9033

.changeset/real-seas-bake.md

@@ -0,0 +1,5 @@
+---
+'@callstack/react-native-brownfield': minor
+---
+
+feat: support linking in Expo and vanilla

packages/react-native-brownfield/ios/ExpoHostRuntime.swift

@@ -96,6 +96,25 @@ final class ExpoHostRuntime {
     ) != nil
   }
 
+  // Linking API; base implementation courtesy of Expo, licensed under the MIT License - changes were made to call the method on expo delegate - https://github.com/expo/expo/blob/main/apps/bare-expo/ios/AppDelegate.swift
+  func application(
+    _ app: UIApplication,
+    open url: URL,
+    options: [UIApplication.OpenURLOptionsKey: Any] = [:]
+  ) -> Bool {
+    return (expoDelegate?.application(app, open: url, options: options) ?? false) || RCTLinkingManager.application(app, open: url, options: options)
+  }
+
+  // Universal Links; base implementation courtesy of Expo, licensed under the MIT License - changes were made to call the method on expo delegate - https://github.com/expo/expo/blob/main/apps/bare-expo/ios/AppDelegate.swift
+  func application(
+    _ application: UIApplication,
+    continue userActivity: NSUserActivity,
+    restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
+  ) -> Bool {
+    let result = RCTLinkingManager.application(application, continue: userActivity, restorationHandler: restorationHandler)
+    return (expoDelegate?.application(application, continue: userActivity, restorationHandler: restorationHandler) ?? false) || result
+  }
+
   func view(
     moduleName: String,
     initialProps: [AnyHashable: Any]?,

packages/react-native-brownfield/ios/ReactNativeBrownfield.swift

@@ -122,6 +122,31 @@ internal import Expo
     #endif
   }
 
+  @objc public func application(
+    _ app: UIApplication,
+    open url: URL,
+    options: [UIApplication.OpenURLOptionsKey: Any] = [:]
+  ) -> Bool {
+    #if canImport(Expo)
+    return ExpoHostRuntime.shared.application(app, open: url, options: options)
+    #else
+    return ReactNativeHostRuntime.shared.application(app, open: url, options: options)
+    #endif
+  }
+
+  // Universal Links
+  @objc public func application(
+    _ application: UIApplication,
+    continue userActivity: NSUserActivity,
+    restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
+  ) -> Bool {
+    #if canImport(Expo)
+    return ExpoHostRuntime.shared.application(application, continue: userActivity, restorationHandler: restorationHandler)
+    #else
+    return ReactNativeHostRuntime.shared.application(application, continue: userActivity, restorationHandler: restorationHandler)
+    #endif
+  }
+
   /**
    * Starts React Native with optional callback when bundle is loaded.
    *

packages/react-native-brownfield/ios/ReactNativeHostRuntime.swift

@@ -120,6 +120,22 @@ final class ReactNativeHostRuntime {
     return true
   }
 
+  public func application(
+    _ app: UIApplication,
+    open url: URL,
+    options: [UIApplication.OpenURLOptionsKey: Any] = [:]
+  ) -> Bool {
+    return RCTLinkingManager.application(app, open: url, options: options)
+  }
+
+  public func application(
+    _ application: UIApplication,
+    continue userActivity: NSUserActivity,
+    restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
+  ) -> Bool {
+    return RCTLinkingManager.application(application, continue: userActivity, restorationHandler: restorationHandler)
+  }
+
   /**
    * Starts React Native with optional callback when bundle is loaded.
    *