import { Platform } from 'react-native' ; import Constants from 'expo-constants' ; import packageInfo from '../../app.json' ; const os = Platform . OS === 'ios' ? 'iOS' : 'Android' ; export const isiOS = Platform . OS === 'ios' ; export const isAndroid = Platform . OS === 'android' ; export default { os , browser : 'App' , environment : `App ${ process . env . NODE_ENV === 'development' ? '开发版' : packageInfo . expo . version } on ${ os } ${ isiOS ? Constants . platform ?. ios ?. systemVersion : Constants . systemVersion } ${ isiOS ? Constants . platform ?. ios ?. model : '' }` , } ;