feat(auth): automatically load session from deep link

Examples/Examples/ExamplesApp.swift

@@ -9,8 +9,35 @@ import GoogleSignIn
 import Supabase
 import SwiftUI
 
+class AppDelegate: UIResponder, UIApplicationDelegate {
+  func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
+  ) -> Bool {
+    supabase.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+
+  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey: Any] = [:]) -> Bool {
+    supabase.application(app, open: url, options: options)
+  }
+
+  func application(_: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options _: UIScene.ConnectionOptions) -> UISceneConfiguration {
+    let configuration = UISceneConfiguration(name: nil, sessionRole: connectingSceneSession.role)
+    configuration.delegateClass = SceneDelegate.self
+    return configuration
+  }
+}
+
+class SceneDelegate: UIResponder, UISceneDelegate {
+  func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
+    supabase.scene(scene, openURLContexts: URLContexts)
+  }
+}
+
 @main
 struct ExamplesApp: App {
+  @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
+
   var body: some Scene {
     WindowGroup {
       RootView()

Sources/Supabase/SupabaseClient+UIApplicationDelegate.swift

@@ -0,0 +1,56 @@
+//
+//  SupabaseClient+UIApplicationDelegate.swift
+//
+//
+//  Created by Guilherme Souza on 15/05/24.
+//
+
+import UIKit
+
+extension SupabaseClient {
+  @discardableResult
+  public func application(
+    _: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    if let url = launchOptions?[.url] as? URL {
+      handleDeepLink(url)
+    }
+
+    return true
+  }
+
+  public func application(
+    _: UIApplication,
+    open url: URL,
+    options _: [UIApplication.OpenURLOptionsKey: Any] = [:]
+  ) -> Bool {
+    handleDeepLink(url)
+    return true
+  }
+
+  @MainActor
+  public func scene(_: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
+    guard let url = URLContexts.first?.url else { return }
+
+    handleDeepLink(url)
+  }
+
+  private func handleDeepLink(_ url: URL) {
+    let logger = options.global.logger
+
+    Task {
+      do {
+        try await auth.session(from: url)
+      } catch {
+        logger?.error(
+          """
+          Failure loading session.
+          URL: \(url.absoluteString)
+          Error: \(error)
+          """
+        )
+      }
+    }
+  }
+}