Function shadow

src/styles/shadow.tsx:11–16

(
  elevation: number | Animated.Value = 0,
  isV3 = false
)

const MD3_SHADOW_COLOR = MD3Colors.primary0;

export default function shadow(
  elevation: number | Animated.Value = 0,
  isV3 = false
) {
  return isV3 ? v3Shadow(elevation) : v2Shadow(elevation);
}

function v2Shadow(elevation: number | Animated.Value = 0) {
  if (elevation instanceof Animated.Value) {