Fix activeTransitions and activeModules bug

Sources/SwiftfulRouting/Components/ModuleSupportView.swift

@@ -61,7 +61,7 @@ struct ModuleSupportView<Content:View>: View {
             }
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity)
-        .animation(viewModel.currentTransition.animation, value: (viewModel.modules.last?.id ?? "") + viewModel.currentTransition.rawValue)
+        .animation(viewModel.currentTransition.animation, value: (viewModel.modules.last?.id ?? "") + viewModel.currentTransition.id)
         .environmentObject(viewModel)
 
         #if DEBUG

Sources/SwiftfulRouting/Components/SwipeBackSupportContainer.swift

@@ -8,7 +8,7 @@ import SwiftUI
 
 struct SwipeBackSupportContainer<Content:View>: View {
 
-    var insertionTransition: TransitionOption = .trailing
+    var insertionTransition: TransitionOption = .trailing()
     var swipeThreshold: CGFloat = 30
     @ViewBuilder var content: () -> Content
     var onDidSwipeBack: (() -> Void)? = nil
@@ -116,7 +116,7 @@ struct SwipeBackSupportContainer<Content:View>: View {
 }
 
 #Preview {
-    SwipeBackSupportContainer(insertionTransition: .trailing) {
+    SwipeBackSupportContainer(insertionTransition: .trailing()) {
         Rectangle()
             .fill(Color.blue)
     }

Sources/SwiftfulRouting/Components/TransitionSupportView.swift

@@ -53,7 +53,7 @@ struct TransitionSupportView<Content:View>: View {
             }
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity)
-        .animation(currentTransition.animation, value: (transitions.last?.id ?? "") + currentTransition.rawValue)
+        .animation(currentTransition.animation, value: (transitions.last?.id ?? "") + currentTransition.id)
 //        .ifSatisfiesCondition(viewFrame == .zero, transform: { content in
 //            content
 //                .readingFrame(onChange: { frame in

Sources/SwiftfulRouting/Core/RouterProtocol/AnyRouter.swift

@@ -429,7 +429,7 @@ public struct AnyRouter: Sendable, Router {
     ///   - onDismiss: Closure that triggers when transition is dismissed.
     ///   - destination: Destination screen.
     @MainActor public func showTransition<T>(
-        _ transition: TransitionOption = .trailing,
+        _ transition: TransitionOption = .trailing(),
         id: String = UUID().uuidString,
         allowsSwipeBack: Bool = false,
         onDismiss: (() -> Void)? = nil,

Sources/SwiftfulRouting/Core/RouterViews/ModuleViewModel.swift

@@ -16,7 +16,7 @@ final class ModuleViewModel: ObservableObject {
     @Published private(set) var modules: [AnyTransitionDestination] = [.root]
 
     // The current TransitionOption for changing modules.
-    @Published private(set) var currentTransition: TransitionOption = .trailing
+    @Published private(set) var currentTransition: TransitionOption = .trailing()
 
 }
 

Sources/SwiftfulRouting/Core/RouterViews/RouterViewInternal.swift

@@ -31,7 +31,7 @@ struct RouterViewInternal<Content: View>: View, Router {
             router: currentRouter,
             transitions: viewModel.allTransitions[routerId] ?? [],
             content: content,
-            currentTransition: viewModel.currentTransitions[routerId] ?? .trailing,
+            currentTransition: viewModel.currentTransitions[routerId] ?? .trailing(),
             onDidSwipeBack: {
                 dismissTransition()
             }
@@ -175,11 +175,14 @@ struct RouterViewInternal<Content: View>: View, Router {
     }
 
     var activeTransitions: [AnyTransitionDestination] {
-        viewModel.allTransitions[routerId] ?? []
+        let transitions = viewModel.allTransitions[routerId] ?? []
+        // Filter out the .root placeholder transition
+        return transitions.filter { $0 != .root }
     }
 
     var activeModules: [AnyTransitionDestination] {
-        moduleViewModel.modules
+        // Filter out the .root placeholder module
+        moduleViewModel.modules.filter { $0 != .root }
     }
 
     var activeTransitionQueue: [AnyTransitionDestination] {

Sources/SwiftfulRouting/Core/RouterViews/RouterViewModel.swift

@@ -34,7 +34,7 @@ final class RouterViewModel: ObservableObject {
 
     // The current TransitionOption on each screen.
     // While a transition is rendered, its .transition may change based on the next/previous transition.
-    @Published private(set) var currentTransitions: [String: TransitionOption] = [RouterViewModel.rootId: .trailing]
+    @Published private(set) var currentTransitions: [String: TransitionOption] = [RouterViewModel.rootId: .trailing()]
 
     // Available transitions in queue, accessible via .showNextTransition()
     @Published private(set) var availableTransitionQueue: [String: [AnyTransitionDestination]] = [:]

Sources/SwiftfulRouting/Models/Transitions/AnyTransitionDestination.swift

@@ -23,7 +23,7 @@ public struct AnyTransitionDestination: Identifiable, Equatable {
     ///   - destination: Destination screen.
     public init(
         id: String = UUID().uuidString,
-        transition: TransitionOption = .trailing,
+        transition: TransitionOption = .trailing(),
         allowsSwipeBack: Bool = false,
         onDismiss: (() -> Void)? = nil,
         destination: @escaping (AnyRouter) -> any View
@@ -36,7 +36,7 @@ public struct AnyTransitionDestination: Identifiable, Equatable {
     }
 
     static var root: AnyTransitionDestination {
-        AnyTransitionDestination(id: "root", transition: .trailing, destination: { _ in
+        AnyTransitionDestination(id: "root", transition: .trailing(), destination: { _ in
             EmptyView()
         })
     }
@@ -52,7 +52,7 @@ public struct AnyTransitionDestination: Identifiable, Equatable {
     public var eventParameters: [String: Any] {
         [
             "destination_id": id,
-            "destination_transition": transition.rawValue,
+            "destination_transition": transition.id,
             "destination_allow_swipe_back": allowsSwipeBack,
             "destination_has_on_dismiss": onDismiss != nil,
         ]

Sources/SwiftfulRouting/Models/Transitions/TransitionOption.swift

@@ -7,8 +7,31 @@
 import Foundation
 import SwiftUI
 
-public enum TransitionOption: String, CaseIterable {
-    case trailing, leading, top, bottom, identity
+public enum TransitionOption: CaseIterable, Equatable {
+    public static var allCases: [TransitionOption] {
+        [.trailing(), .leading(), .top(), .bottom(), .identity]
+    }
+
+    case trailing(animation: Animation = .snappy)
+    case leading(animation: Animation = .snappy)
+    case top(animation: Animation = .snappy)
+    case bottom(animation: Animation = .snappy)
+    case identity
+
+    var id: String {
+        switch self {
+        case .trailing:
+            return "trailing"
+        case .leading:
+            return "leading"
+        case .top:
+            return "top"
+        case .bottom:
+            return "bottom"
+        case .identity:
+            return "identity"
+        }
+    }
 
     var canSwipeBack: Bool {
         switch self {
@@ -21,10 +44,10 @@ public enum TransitionOption: String, CaseIterable {
 
     var animation: Animation? {
         switch self {
+        case .trailing(let animation), .leading(let animation), .top(let animation), .bottom(let animation):
+            return animation
         case .identity:
             return .none
-        default:
-            return .smooth
         }
     }
 
@@ -49,11 +72,16 @@ public enum TransitionOption: String, CaseIterable {
 
     var reversed: TransitionOption {
         switch self {
-        case .trailing: return .leading
-        case .leading: return .trailing
-        case .top: return .bottom
-        case .bottom: return .top
-        case .identity: return .identity
+        case .trailing(let animation):
+            return .leading(animation: animation)
+        case .leading(let animation):
+            return .trailing(animation: animation)
+        case .top(let animation):
+            return .bottom(animation: animation)
+        case .bottom(let animation):
+            return .top(animation: animation)
+        case .identity:
+            return .identity
         }
     }