Switch to SwiftUI

app/App.swift

@@ -0,0 +1,61 @@
+import SwiftUI
+
+@main
+struct App: SwiftUI.App {
+  @StateObject private var worklet = Worklet()
+  @Environment(\.scenePhase) private var scenePhase
+
+  var body: some Scene {
+    WindowGroup {
+      ContentView()
+        .onAppear {
+          worklet.start()
+        }
+        .onDisappear {
+          worklet.terminate()
+        }
+    }
+    .onChange(of: scenePhase) { phase in
+      switch phase {
+      case .background:
+        worklet.suspend()
+      case .active:
+        worklet.resume()
+      default:
+        break
+      }
+    }
+  }
+}
+
+struct ContentView: View {
+  var body: some View {
+    Text("Hello SwiftUI!")
+  }
+}
+
+class Worklet: ObservableObject {
+  private var worklet: BareWorklet?
+
+  func start() {
+    guard let url = Bundle.main.url(forResource: "app", withExtension: "bundle") else {
+      return
+    }
+
+    worklet = BareWorklet(configuration: nil)
+
+    worklet?.start(url.path, source: nil, arguments: nil)
+  }
+
+  func suspend() {
+    worklet?.suspend()
+  }
+
+  func resume() {
+    worklet?.resume()
+  }
+
+  func terminate() {
+    worklet?.terminate()
+  }
+}

project.yml

@@ -16,7 +16,7 @@ targets:
     dependencies:
       - framework: app/frameworks/BareKit.xcframework
     sources:
-      - path: app/AppDelegate.swift
+      - path: app/App.swift
       - path: app/App-Bridging-Header.h
       - path: app/app.js
       - path: app/app.bundle