import Color from 'color'; import { Platform } from 'react-native'; type ShadowConfig = { offset: { width: number; height: number; }; radius: number; opacity: number; color?: string; }; export function getShadowStyle({ offset, radius, opacity, color = '#000', }: ShadowConfig) { const result = Platform.select({ web: { boxShadow: `${offset.width}px ${offset.height}px ${radius}px ${Color( color ) .alpha(opacity) .toString()}`, }, default: { shadowOffset: offset, shadowRadius: radius, shadowColor: color, shadowOpacity: opacity, }, }); return result; }