What's the best way to get device locale in react native (iOS)?

Question

Something similar to [NSLocale currentLocale] in Objective-C.

Answer 1

import { Platform, NativeModules } from 'react-native'

const deviceLanguage =
      Platform.OS === 'ios'
        ? NativeModules.SettingsManager.settings.AppleLocale ||
          NativeModules.SettingsManager.settings.AppleLanguages[0] //iOS 13
        : NativeModules.I18nManager.localeIdentifier;

console.log(deviceLanguage); //en_US