jiti-meet/modules/translation/translation.js

111 lines
3.2 KiB
JavaScript

var i18n = require("i18next-client");
var languages = require("../../service/translation/languages");
var DEFAULT_LANG = languages.EN;
var initialized = false;
var waitingForInit = [];
i18n.addPostProcessor("resolveAppName", function(value, key, options) {
return value.replace("__app__", interfaceConfig.APP_NAME);
});
var defaultOptions = {
detectLngQS: "lang",
useCookie: false,
fallbackLng: DEFAULT_LANG,
load: "unspecific",
resGetPath: 'lang/__ns__-__lng__.json',
ns: {
namespaces: ['main', 'languages'],
defaultNs: 'main'
},
lngWhitelist : languages.getLanguages(),
fallbackOnNull: true,
useDataAttrOptions: true,
app: interfaceConfig.APP_NAME,
getAsync: true,
customLoad: function(lng, ns, options, done) {
var resPath = "lang/__ns__-__lng__.json";
if(lng === languages.EN)
resPath = "lang/__ns__.json";
var url = i18n.functions.applyReplacement(resPath, { lng: lng, ns: ns });
initialized = false;
i18n.functions.ajax({
url: url,
success: function(data, status, xhr) {
i18n.functions.log('loaded: ' + url);
done(null, data);
},
error : function(xhr, status, error) {
if ((status && status == 200) ||
(xhr && xhr.status && xhr.status == 200)) {
// file loaded but invalid json, stop waste time !
i18n.functions.error('There is a typo in: ' + url);
} else if ((status && status == 404) ||
(xhr && xhr.status && xhr.status == 404)) {
i18n.functions.log('Does not exist: ' + url);
} else {
var theStatus = status ? status :
((xhr && xhr.status) ? xhr.status : null);
i18n.functions.log(theStatus + ' when loading ' + url);
}
done(error, {});
},
dataType: "json",
async : options.getAsync
});
}
// options for caching
// useLocalStorage: true,
// localStorageExpirationTime: 86400000 // in ms, default 1 week
};
function initCompleted(t)
{
initialized = true;
$("[data-i18n]").i18n();
for(var i = 0; i < waitingForInit.length; i++)
{
var obj = waitingForInit[i];
obj.callback(i18n.t(obj.key));
}
waitingForInit = [];
}
module.exports = {
init: function (lang) {
initialized = false;
var options = defaultOptions;
if(lang)
options.lng = lang;
i18n.init(options, initCompleted);
},
translateString: function (key, cb) {
if(!cb)
return i18n.t(key);
if(initialized)
{
cb(i18n.t(key));
}
else
{
waitingForInit.push({"callback": cb, "key": key});
}
},
setLanguage: function (lang) {
initialized = false;
if(!lang)
lang = DEFAULT_LANG;
i18n.setLng(lang, defaultOptions, initCompleted);
},
getCurrentLanguage: function () {
return i18n.lng();
},
translateElement: function (selector) {
selector.i18n();
}
};