import { Dimensions } from 'react-native'; const { width, height } = Dimensions.get('window'); const guidelineBaseWidth = 375; const guidelineBaseHeight = 667; const scale = size => (width / guidelineBaseWidth) * size; const verticalScale = size => (height / guidelineBaseHeight) * size; const moderateScale = (size, factor = 0.5) => size + ((scale(size) - size) * factor); export { scale, verticalScale, moderateScale };