@uifabric/utilities/lib/language.js

Fluent UI React utilities for building components.

import { getDocument } from './dom/getDocument';
import * as localStorage from './localStorage';
import * as sessionStorage from './sessionStorage';
// Default to undefined so that we initialize on first read.
var _language;
var STORAGE_KEY = 'language';
/**
 * Gets the language set for the page.
 * @param persistenceType - Where to persist the value. Default is `localStorage` if available.
 * (In version 8, the default will be `sessionStorage`.)
 */
export function getLanguage(persistenceType) {
    if (persistenceType === void 0) { persistenceType = 'localStorage'; }
    if (_language === undefined) {
        var doc = getDocument();
        var savedLanguage = persistenceType === 'localStorage'
            ? localStorage.getItem(STORAGE_KEY)
            : persistenceType === 'sessionStorage'
                ? sessionStorage.getItem(STORAGE_KEY)
                : undefined;
        if (savedLanguage) {
            _language = savedLanguage;
        }
        if (_language === undefined && doc) {
            _language = doc.documentElement.getAttribute('lang');
        }
        if (_language === undefined) {
            _language = 'en';
        }
    }
    return _language;
}
export function setLanguage(language, persistenceParam) {
    var doc = getDocument();
    if (doc) {
        doc.documentElement.setAttribute('lang', language);
    }
    var persistenceType = persistenceParam === true ? 'none' : !persistenceParam ? 'localStorage' : persistenceParam;
    if (persistenceType === 'localStorage') {
        localStorage.setItem(STORAGE_KEY, language);
    }
    else if (persistenceType === 'sessionStorage') {
        sessionStorage.setItem(STORAGE_KEY, language);
    }
    _language = language;
}
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