Meteor.startup(() => {
TAPi18n.conf.i18n_files_route = Meteor._relativeToSiteRootUrl('/tap-i18n');
currentLanguage.set(localStorage.getItem('userLanguage'));
const availableLanguages = TAPi18n.getLanguages();
const filterLanguage = (language) => {
// Fix browsers having all-lowercase language settings eg. pt-br, en-us
const regex = /([a-z]{2})-([a-z]{2})/;
const matches = regex.exec(language);
if (matches) {
return `${ matches[1] }-${ matches[2].toUpperCase() }`;
}
return language;
};
const getBrowserLanguage = () => filterLanguage(window.navigator.userLanguage || window.navigator.language);
const loadMomentLocale = (language) => new Promise((resolve, reject) => {
if (moment.locales().includes(language.toLowerCase())) {
resolve(language);
return;
}
Meteor.call('loadLocale', language, (error, localeSrc) => {
if (error) {
reject(error);
return;
}
Function(localeSrc).call({ moment });
resolve(language);
});
});
const applyLanguage = (language = 'en') => {
language = filterLanguage(language);
if (!availableLanguages[language]) {
language = language.split('-').shift();
}
if (!language) {
return;
}
document.documentElement.classList[isRtl(language) ? 'add' : 'remove']('rtl');
TAPi18n.setLanguage(language);
loadMomentLocale(language).then((locale) => moment.locale(locale), (error) => console.error(error));
};
const setLanguage = (language) => {
const lang = filterLanguage(language);
currentLanguage.set(lang);
localStorage.setItem('userLanguage', lang);
};
window.setLanguage = setLanguage;
const defaultUserLanguage = () => RocketChat.settings.get('Language') || getBrowserLanguage() || 'en';
window.defaultUserLanguage = defaultUserLanguage;
Tracker.autorun(() => {
const user = RocketChat.models.Users.findOne(Meteor.userId(), { fields: { language: 1 } });
setLanguage((user && user.language) || defaultUserLanguage());
});
Tracker.autorun(() => {
if (currentLanguage.get()) {
applyLanguage(currentLanguage.get());
}
});
});