Enable Swift 6 support

.github/workflows/ci.yml

@@ -28,6 +28,7 @@ jobs:
         swift:
           - "5.9"
           - "5.10"
+          - "6.0"
     steps:
       - name: Git Checkout
         uses: actions/checkout@v4

Package@swift-6.0.swift

@@ -0,0 +1,83 @@
+// swift-tools-version: 6.0
+
+import PackageDescription
+
+let package = Package(
+	name: "swiftui-navigation-transitions",
+	platforms: [
+		.iOS(.v13),
+		.macCatalyst(.v13),
+		.tvOS(.v13),
+	],
+    swiftLanguageVersions: [.v6]
+)
+
+// MARK: Dependencies
+
+package.dependencies = [
+	.package(url: "https://github.com/siteline/swiftui-introspect", from: "1.0.0"),
+	.package(url: "https://github.com/pointfreeco/swift-custom-dump", from: "1.0.0"), // dev
+	.package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "1.0.0"), // dev
+]
+
+let SwiftUIIntrospect: Target.Dependency = .product(
+	name: "SwiftUIIntrospect",
+	package: "swiftui-introspect"
+)
+
+let CustomDump: Target.Dependency = .product(
+	name: "CustomDump",
+	package: "swift-custom-dump"
+)
+
+let XCTestDynamicOverlay: Target.Dependency = .product(
+	name: "XCTestDynamicOverlay",
+	package: "xctest-dynamic-overlay"
+)
+
+// MARK: Targets
+
+package.targets += [
+	.target(name: "Animation"),
+
+	.target(name: "Animator"),
+	.testTarget(name: "AnimatorTests", dependencies: [
+		"Animator",
+		"TestUtils",
+	]),
+
+	.target(name: "AtomicTransition", dependencies: [
+		"Animator",
+	]),
+	.testTarget(name: "AtomicTransitionTests", dependencies: [
+		"AtomicTransition",
+		"TestUtils",
+	]),
+
+	.target(name: "NavigationTransition", dependencies: [
+		"Animation",
+		"AtomicTransition",
+	]),
+
+	.target(name: "NavigationTransitions", dependencies: [
+		"NavigationTransition",
+		"RuntimeAssociation",
+		"RuntimeSwizzling",
+		SwiftUIIntrospect,
+	]),
+
+	.target(name: "RuntimeAssociation"),
+	.target(name: "RuntimeSwizzling"),
+
+	.target(name: "TestUtils", dependencies: [
+		CustomDump,
+		"NavigationTransitions",
+		XCTestDynamicOverlay,
+	]),
+]
+
+// MARK: Product
+
+package.products += [
+	.library(name: "NavigationTransitions", targets: ["NavigationTransitions"]),
+]

Sources/Animation/Animation.swift

@@ -1,5 +1,6 @@
 import UIKit
 
+@MainActor
 public struct Animation {
 	static var defaultDuration: Double { 0.35 }
 

Sources/Animation/Linear.swift

@@ -1,3 +1,4 @@
+@MainActor
 extension Animation {
 	public static func linear(duration: Double) -> Self {
 		.init(duration: duration, curve: .linear)

Sources/Animator/Animator.swift

@@ -38,6 +38,7 @@ public typealias _Animator = Animator
 	func addCompletion(_ completion: @escaping (UIViewAnimatingPosition) -> Void)
 }
 
+@MainActor
 extension Animator where Self: UIViewImplicitlyAnimating {
 	public func addAnimations(_ animation: @escaping () -> Void) {
 		addAnimations?(animation)

Sources/Animator/AnimatorTransientView.swift

@@ -9,6 +9,7 @@ import UIKit
 /// view being animated, which helps compound mutating values across
 /// different defined transitions before actually submitting them
 /// to the animator. This helps ensure no jumpy behavior in animations occurs.
+@MainActor
 @dynamicMemberLookup
 public class AnimatorTransientView {
 	/// Typealias for `AnimatorTransientViewProperties`.

Sources/Animator/AnimatorTransientViewProperties.swift

@@ -15,6 +15,7 @@ public struct AnimatorTransientViewProperties: Equatable {
 	public var zPosition: CGFloat
 }
 
+@MainActor
 extension AnimatorTransientViewProperties {
 	static let `default` = Self(
 		alpha: 1,

Sources/Animator/Transform.swift

@@ -14,6 +14,7 @@ public struct Transform: Equatable {
 	}
 }
 
+@MainActor
 extension OptionalWithDefault where Value == Transform {
 	func assign(to uiView: UIView, force: Bool) {
 		self.assign(force: force) {

Sources/RuntimeSwizzling/Swizzle.swift

@@ -1,7 +1,8 @@
 import ObjectiveC
 
-public var swizzleLogs = false
+nonisolated(unsafe) public var swizzleLogs = false
 
+@MainActor
 public func swizzle(_ type: AnyObject.Type, _ original: Selector, _ swizzled: Selector) {
 	guard !swizzlingHistory.contains(type, original, swizzled) else {
 		return
@@ -46,4 +47,4 @@ private struct SwizzlingHistory {
 	}
 }
 
-private var swizzlingHistory = SwizzlingHistory()
+nonisolated(unsafe) private var swizzlingHistory = SwizzlingHistory()