AlignedButtons.swift

struct ContentView: View {
    @State private var height: CGFloat = 0

    var body: some View {
        HStack {
            CustomButton("Directions", imageName: "arrow.triangle.turn.up.right.circle.fill") {
                //
            }
            .buttonStyle(.borderedProminent)

            CustomButton("Call", imageName: "phone.fill") {
                //
            }
            .buttonStyle(.bordered)

            CustomButton("Website", imageName: "safari.fill") {
                //
            }
            .buttonStyle(.bordered)

            CustomButton("More", imageName: "ellipsis") {
                //
            }
            .buttonStyle(.bordered)
        }
        .frame(height: height)
        .onPreferenceChange(HeightKey.self) { height in
            self.height = height
        }
        .padding()
    }
}

struct CustomButton: View {
    private let title: String
    private let imageName: String
    private let action: () -> Void

    init(_ title: String, imageName: String, action: @escaping () -> Void) {
        self.title = title
        self.imageName = imageName
        self.action = action
    }

    var body: some View {
        Button(action: action) {
            VStack(spacing: 5) {
                Image(systemName: imageName)
                    .frame(maxHeight: .infinity)

                Text(title)
                    .font(.caption)
            }
            .frame(maxWidth: .infinity)
        }
        .background(
            GeometryReader { geo in
                Color.clear.preference(
                    key: HeightKey.self,
                    value: geo.size.height
                )
            }
        )
    }
}

struct HeightKey: PreferenceKey {
    static let defaultValue: CGFloat = 0

    static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
        value = max(value, nextValue())
    }
}