React Native Scale

scalling.js

import {
  Dimensions,
} from 'react-native';

const dimensions = Dimensions.get('window');

const { width, height } = dimensions;
const guidelineBaseWidth = 350;
const guidelineBaseHeight = 680;

export const scale = size => (width / guidelineBaseWidth) * size;
export const verticalScale = size => (height / guidelineBaseHeight) * size;
export const moderateScale = (size, factor = 0.5) => size + ((scale(size) - size) * factor);