boxDecorationDefault function
        
Decoration
boxDecorationDefault({ 
    
- BorderRadiusGeometry? borderRadius,
- Color? color,
- Gradient? gradient,
- BoxBorder? border,
- BoxShape? shape,
- BlendMode? backgroundBlendMode,
- List<BoxShadow> ? boxShadow,
- DecorationImage? image,
default box decoration for container
Implementation
Decoration boxDecorationDefault({
  BorderRadiusGeometry? borderRadius,
  Color? color,
  Gradient? gradient,
  BoxBorder? border,
  BoxShape? shape,
  BlendMode? backgroundBlendMode,
  List<BoxShadow>? boxShadow,
  DecorationImage? image,
}) {
  return BoxDecoration(
    borderRadius: (shape != null && shape == BoxShape.circle)
        ? null
        : (borderRadius ?? radius()),
    boxShadow: boxShadow ?? defaultBoxShadow(),
    color: color ?? Colors.white,
    gradient: gradient,
    border: border,
    shape: shape ?? BoxShape.rectangle,
    backgroundBlendMode: backgroundBlendMode,
    image: image,
  );
}