jitsi_app_c0/react/features/base/i18n/languageDetector.native.js

// @flow

import { NativeModules } from 'react-native';

/**
 * The singleton language detector for React Native which uses the system-wide
 * locale.
 */
export default {
    /**
     * Does not support caching.
     *
     * @returns {void}
     */
    cacheUserLanguage: Function.prototype,

    detect() {
        const { LocaleDetector } = NativeModules;

        return LocaleDetector.locale.replace(/_/, '-');
    },

    init: Function.prototype,

    type: 'languageDetector'
};