code refactor

src/mobile-main.js

@@ -17,6 +17,7 @@ import 'line-awesome/dist/line-awesome/css/line-awesome.css';
 
 import { getAllLanguages, getLanguage, getDefaultLanguage, getI18nOptions, getLocalizedError, getLocalizedErrorParameters } from './lib/i18n.js';
 import api from './consts/api.js';
+import datetime from './consts/datetime.js';
 import currency from './consts/currency.js';
 import colors from './consts/color.js';
 import icons from './consts/icon.js';
@@ -84,6 +85,7 @@ Vue.prototype.$buildTime = version.getBuildTime();
 Vue.prototype.$licenses = licenses.getLicenses();
 Vue.prototype.$constants = {
     api: api,
+    datetime: datetime,
     currency: currency,
     colors: colors,
     icons: icons,