Custom button style use PrimitiveButtonStyle on tvOS

FixedSizeButtonStyle.swift

import SwiftUI

struct FixedSizeButtonStyle: PrimitiveButtonStyle {
  @FocusState private var isFocused: Bool
  var size: CGSize
  var cornerRadius: CGFloat 
  func makeBody(configuration: Configuration) -> some View {
    configuration.label
      .frame(width: size.width, height: size.height)
      .foregroundColor(.accentColor)
      .background(
        RoundedRectangle(cornerRadius: cornerRadius, style: .continuous)
          .stroke()
          .foregroundStyle(.linearGradient(colors: [.white.opacity(0.5), .clear, .white.opacity(0.5), .clear], startPoint: .topLeading, endPoint: .bottomTrailing))
      )
      .background(
        RoundedRectangle(cornerRadius: cornerRadius, style: .continuous)
          .fill((isFocused ? Color.white : Color.gray).opacity(0.5).gradient)
      )
      .scaleEffect(isFocused ? 1.2 : 1)
      .animation(.easeOut(duration: 0.2), value: isFocused)
      .focusable()
      .focused($isFocused)
      .onTapGesture {
        configuration.trigger()
      }
  }
}

extension Button {
  func fixedSizeButtonStyle(size: CGSize = CGSize(width: 122, height: 80), cornerRadius: CGFloat = 20) -> some View {
    buttonStyle(FixedSizeButtonStyle(size: size, cornerRadius: cornerRadius))
      .frame(width: size.width, height: size.height)
  }
}