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struct MyButtonStyle: ButtonStyle {
    func makeBody(configuration: Self.Configuration) -> some View {
        configuration.label
            .background(Capsule()
                            .foregroundColor(configuration.isPressed ? Color.primary.opacity(0.75) : Color.primary))
            .scaleEffect(configuration.isPressed ? CGFloat(0.85) : 1.0)
            .rotationEffect(.degrees(configuration.isPressed ? 0.0 : 0))
            .blur(radius: configuration.isPressed ? CGFloat(0.0) : 0)
            .animation(Animation.spring(response: 0.35, dampingFraction: 0.35, blendDuration: 1), value: configuration.isPressed)
    }
}

extension Button {
    func myButtonStyle() -> some View {
        self.buttonStyle(MyButtonStyle())
    }
}

// 使用示例
Button { } label: {
    Text("just like that")
        .font(Font.body.bold())
        .padding()
        .foregroundColor(Color.primary)
        .colorInvert()
}
.myButtonStyle()

Button { } label: {
    Image(systemName: "face.smiling")
        .font(Font.body.bold())
        .imageScale(.large)
        .padding()
        .foregroundColor(Color.primary)
        .colorInvert()
}
.myButtonStyle()