Function getStyleForShadowLayer

src/components/Surface.tsx:116–151

(
  elevation: Elevation,
  layer: 0 | 1
)

];
const inputRange = [0, 1, 2, 3, 4, 5];
function getStyleForShadowLayer(
  elevation: Elevation,
  layer: 0 | 1
): Animated.WithAnimatedValue<ShadowStyleIOS> {
  if (isAnimatedValue(elevation)) {
    return {
      shadowColor,
      shadowOpacity: elevation.interpolate({
        inputRange: [0, 1],
        outputRange: [0, iOSShadowOutputRanges[layer].shadowOpacity],
        extrapolate: 'clamp',
      }),
      shadowOffset: {
        width: 0,
        height: elevation.interpolate({
          inputRange,
          outputRange: iOSShadowOutputRanges[layer].height,
        }),
      },
      shadowRadius: elevation.interpolate({
        inputRange,
        outputRange: iOSShadowOutputRanges[layer].shadowRadius,
      }),
    };
  }

  return {
    shadowColor,
    shadowOpacity: elevation ? iOSShadowOutputRanges[layer].shadowOpacity : 0,
    shadowOffset: {
      width: 0,
      height: iOSShadowOutputRanges[layer].height[elevation],
    },
    shadowRadius: iOSShadowOutputRanges[layer].shadowRadius[elevation],
  };
}

const SurfaceIOS = forwardRef<
  View,