use @bindable for binding observable objects

Author: demolaf

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/Views/AuthPickerView.swift

@@ -92,6 +92,7 @@ extension AuthPickerView: View {
 
   @ViewBuilder
   var authPickerViewInternal: some View {
+    @Bindable var authService = authService
     VStack {
       if authService.authenticationState == .unauthenticated {
         authMethodPicker
@@ -101,10 +102,7 @@ extension AuthPickerView: View {
       }
     }
     .errorAlert(
-      error: Binding(
-        get: { authService.currentError },
-        set: { authService.currentError = $0 }
-      ),
+      error: $authService.currentError,
       okButtonLabel: authService.string.okButtonLabel
     )
   }

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/Views/MFAManagementView.swift

@@ -27,14 +27,6 @@ public struct MFAManagementView {
   @State private var enrolledFactors: [MultiFactorInfo] = []
   @State private var isLoading = false
 
-  // Present password prompt when required for reauthentication
-  private var isShowingPasswordPrompt: Binding<Bool> {
-    Binding(
-      get: { authService.passwordPrompt.isPromptingPassword },
-      set: { authService.passwordPrompt.isPromptingPassword = $0 }
-    )
-  }
-
   public init() {}
 
   private func loadEnrolledFactors() {
@@ -63,6 +55,7 @@ public struct MFAManagementView {
 
 extension MFAManagementView: View {
   public var body: some View {
+    @Bindable var passwordPrompt = authService.passwordPrompt
     VStack(spacing: 20) {
       // Title section
       VStack {
@@ -140,7 +133,8 @@ extension MFAManagementView: View {
     .onAppear {
       loadEnrolledFactors()
     }
-    .sheet(isPresented: isShowingPasswordPrompt) {
+    // Present password prompt when required for reauthentication
+    .sheet(isPresented: $passwordPrompt.isPromptingPassword) {
       PasswordPromptSheet(coordinator: authService.passwordPrompt)
     }
   }

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/Views/SignedInView.swift

@@ -32,14 +32,8 @@ public struct SignedInView {
 }
 
 extension SignedInView: View {
-  private var isShowingPasswordPrompt: Binding<Bool> {
-    Binding(
-      get: { authService.passwordPrompt.isPromptingPassword },
-      set: { authService.passwordPrompt.isPromptingPassword = $0 }
-    )
-  }
-
   public var body: some View {
+    @Bindable var passwordPrompt = authService.passwordPrompt
     VStack {
       Text(authService.string.signedInTitle)
         .font(.largeTitle)
@@ -129,7 +123,7 @@ extension SignedInView: View {
       )
       .presentationDetents([.medium])
     }
-    .sheet(isPresented: isShowingPasswordPrompt) {
+    .sheet(isPresented: $passwordPrompt.isPromptingPassword) {
       PasswordPromptSheet(coordinator: authService.passwordPrompt)
     }
     .sheet(isPresented: $showEmailVerificationSent) {

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/Views/UpdatePasswordView.swift

@@ -40,14 +40,8 @@ public struct UpdatePasswordView {
 }
 
 extension UpdatePasswordView: View {
-  private var isShowingPasswordPrompt: Binding<Bool> {
-    Binding(
-      get: { authService.passwordPrompt.isPromptingPassword },
-      set: { authService.passwordPrompt.isPromptingPassword = $0 }
-    )
-  }
-
   public var body: some View {
+    @Bindable var passwordPrompt = authService.passwordPrompt
     VStack(spacing: 24) {
       AuthTextField(
         text: $password,
@@ -94,7 +88,7 @@ extension UpdatePasswordView: View {
     .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     .safeAreaPadding()
     .navigationTitle(authService.string.passwordRecoveryTitle)
-    .sheet(isPresented: isShowingPasswordPrompt) {
+    .sheet(isPresented: $passwordPrompt.isPromptingPassword) {
       PasswordPromptSheet(coordinator: authService.passwordPrompt)
     }
   }