.gitignore

@@ -7,3 +7,4 @@ DerivedData/
 .swiftpm/config/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
+Package.resolved

.swiftpm/xcode/xcshareddata/xcschemes/Turbocharger.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1410"
+   LastUpgradeVersion = "1610"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.7
+// swift-tools-version: 5.9
 
 import PackageDescription
 
@@ -9,7 +9,8 @@ let package = Package(
         .macOS(.v10_15),
         .macCatalyst(.v13),
         .tvOS(.v13),
-        .watchOS(.v6)
+        .watchOS(.v6),
+        .visionOS(.v1)
     ],
     products: [
         .library(
@@ -18,7 +19,7 @@ let package = Package(
         ),
     ],
     dependencies: [
-        .package(url: "https://github.com/nathantannar4/Engine", from: "0.1.1"),
+        .package(url: "https://github.com/nathantannar4/Engine", from: "2.0.0"),
     ],
     targets: [
         .target(

README.md

@@ -6,10 +6,15 @@
 
 > Built for performance and backwards compatibility using [Engine](https://github.com/nathantannar4/Engine)
 
+## See Also
+
+- [Ignition](https://github.com/nathantannar4/Ignition)
+- [Transmission](https://github.com/nathantannar4/Transmission)
+
 ## Requirements
 
 - Deployment target: iOS 13.0, macOS 10.15, tvOS 13.0, or watchOS 6.0
-- Xcode 14.1+
+- Xcode 15+
 
 ## Installation
 
@@ -47,10 +52,10 @@ let package = Package(
 
 ### LabeledView
 
-```
+```swift
 /// The ``ViewStyle`` for ``LabeledView``
 public protocol LabeledViewStyle: ViewStyle where Configuration == LabeledViewStyleConfiguration {
-
+    associatedtype Configuration = Configuration
 }
 
 /// The ``ViewStyledView.Configuration`` for ``LabeledView``
@@ -76,7 +81,7 @@ public struct LabeledView<Label: View, Content: View>: View {
 
 ### HVStack/AdaptiveStack
 
-```
+```swift
 /// A view that arranges its subviews in a vertical or horizontal line.
 @frozen
 public struct HVStack<Content: View>: View {
@@ -105,7 +110,7 @@ public struct AdaptiveStack<Content: View>: View {
 
 ### WeightedHStack/WeightedVStack
 
-```
+```swift
 /// A view that arranges its subviews in a horizontal line a width
 /// that is relative to its `LayoutWeightPriority`.
 ///
@@ -145,7 +150,7 @@ extension View {
 
 ### FlowStack
 
-```
+```swift
 /// A view that arranges its subviews along multiple horizontal lines.
 @frozen
 public struct FlowStack<Content: View>: View {
@@ -160,7 +165,7 @@ public struct FlowStack<Content: View>: View {
 
 ### RadialStack
 
-```
+```swift
 /// A view that arranges its subviews along a radial circumference.
 @frozen
 public struct RadialStack<Content: View>: View {
@@ -171,7 +176,7 @@ public struct RadialStack<Content: View>: View {
 
 ### OptionalAdapter
 
-```
+```swift
 /// A view maps an `Optional` value to it's `Content` or `Placeholder`.
 @frozen
 public struct OptionalAdapter<
@@ -212,7 +217,7 @@ extension OptionalAdapter where Placeholder == EmptyView {
 
 ### ResultAdapter
 
-```
+```swift
 /// A view maps a `Result` value to it's `SuccessContent` or `FailureContent`.
 @frozen
 public struct ResultAdapter<
@@ -252,13 +257,13 @@ extension ResultAdapter where FailureContent == EmptyView {
 
 ### BindingTransform
 
-```
+```swift
 public protocol BindingTransform {
     associatedtype Input
     associatedtype Output
 
     func get(_ value: Input) -> Output
-    func set(_ newValue: Output, oldValue: @autoclosure () -> Input, transaction: Transaction) throws -> Input
+    func set(_ newValue: Output, oldValue: @autoclosure () -> Input) throws -> Input
 }
 
 extension Binding {
@@ -280,7 +285,7 @@ extension Binding {
 
 ### SafeAreaPadding
 
-```
+```swift
 @available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, *)
 extension View {
     @inlinable
@@ -296,7 +301,7 @@ extension View {
 
 ### Badge
 
-```
+```swift
 @available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, *)
 extension View {
     @inlinable
@@ -311,7 +316,7 @@ extension View {
 
 ### Accessibility
 
-```
+```swift
 extension View {
     /// Disables accessibility elements from being generated, even when an assistive technology is running
     @inlinable

Sources/Turbocharger/Sources/Alignment/FirstTextMidline.swift

@@ -0,0 +1,39 @@
+//
+// Copyright (c) Nathan Tannar
+//
+
+import SwiftUI
+
+extension VerticalAlignment {
+    private enum FirstTextMidline: AlignmentID {
+        static func defaultValue(in context: ViewDimensions) -> CGFloat {
+            let dy = context[.lastTextBaseline] - context[.firstTextBaseline]
+            let lineHeight = context.height - dy
+            return lineHeight / 2
+        }
+    }
+
+    public static let firstTextMidline = VerticalAlignment(FirstTextMidline.self)
+}
+
+// MARK: - Previews
+
+struct FirstTextMidline_Previews: PreviewProvider {
+    static var previews: some View {
+        VStack {
+            HStack(alignment: .firstTextMidline) {
+                Color.red
+                    .frame(width: 32, height: 32)
+
+                Text("Lorem ipsum")
+            }
+
+            HStack(alignment: .firstTextMidline) {
+                Color.red
+                    .frame(width: 32, height: 32)
+
+                Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.")
+            }
+        }
+    }
+}

Sources/Turbocharger/Sources/Core/ArrayBuilder.swift

@@ -0,0 +1,86 @@
+//
+// Copyright (c) Nathan Tannar
+//
+
+import SwiftUI
+
+/// A custom parameter attribute that constructs an array from closures.
+@frozen
+@resultBuilder
+public struct ArrayBuilder<Element> {
+
+    @inlinable
+    public static func buildBlock() -> [Optional<Element>] {
+        []
+    }
+
+    @inlinable
+    public static func buildPartialBlock(
+        first: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        first
+    }
+
+    @inlinable
+    public static func buildPartialBlock(
+        accumulated: [Optional<Element>],
+        next: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        accumulated + next
+    }
+
+    @inlinable
+    public static func buildExpression(
+        _ expression: Element
+    ) -> [Optional<Element>] {
+        [expression]
+    }
+
+    @inlinable
+    public static func buildEither(
+        first component: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        component
+    }
+
+    @inlinable
+    public static func buildEither(
+        second component: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        component
+    }
+
+    @inlinable
+    public static func buildOptional(
+        _ component: [Optional<Element>]?
+    ) -> [Optional<Element>] {
+        component ?? []
+    }
+
+    @inlinable
+    public static func buildLimitedAvailability(
+        _ component: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        component
+    }
+
+    @inlinable
+    public static func buildArray(
+        _ components: [Optional<Element>]
+    ) -> [Optional<Element>] {
+        components
+    }
+
+    @inlinable
+    public static func buildBlock(
+        _ components: [Optional<Element>]...
+    ) -> [Optional<Element>] {
+        components.flatMap { $0 }
+    }
+
+    public static func buildFinalResult(
+        _ component: [Optional<Element>]
+    ) -> [Element] {
+        component.compactMap { $0 }
+    }
+}

Sources/Turbocharger/Sources/Core/IdentifiableBox.swift

@@ -0,0 +1,20 @@
+//
+// Copyright (c) Nathan Tannar
+//
+
+import SwiftUI
+
+@frozen
+public struct IdentifiableBox<Value, ID: Hashable>: Identifiable {
+    public var value: Value
+    public var keyPath: KeyPath<Value, ID>
+
+    public var id: ID { value[keyPath: keyPath] }
+
+    @inlinable
+    public init(_ value: Value, id keyPath: KeyPath<Value, ID>) {
+        self.value = value
+        self.keyPath = keyPath
+    }
+}
+

Sources/Turbocharger/Sources/DynamicProperty/FormatTransform.swift

@@ -3,6 +3,7 @@
 //
 
 import SwiftUI
+import Engine
 
 /// A ``BindingTransform`` that transforms the value
 /// with a `ParseableFormatStyle`
@@ -26,7 +27,7 @@ public struct FormatTransform<F: ParseableFormatStyle>: BindingTransform where F
         format.format(value)
     }
 
-    public func set(_ newValue: Output, oldValue: @autoclosure () -> Input, transaction: Transaction) throws -> Input {
+    public func set(_ newValue: Output, oldValue: @autoclosure () -> Input) throws -> Input {
         do {
             return try format.parseStrategy.parse(newValue)
         } catch {