one/src/fork/localeDirection.native.ts

One is a React framework for web, iOS, and Android apps.

import type { LocaleDirection } from '@react-navigation/native'
import { I18nManager } from 'react-native'

export function getLocaleDirection(): LocaleDirection {
  return I18nManager.getConstants().isRTL ? 'rtl' : 'ltr'
}