Use es2015 module imports in i18n.js

src/headless/i18n.js

@@ -8,42 +8,38 @@
 //
 /*global define */
 
-(function (root, factory) {
-    define([
-        "es6-promise/dist/es6-promise.auto",
-        "jed",
-        "./lodash.noconflict",
-        "moment",
-        'moment/locale/af',
-        'moment/locale/ar',
-        'moment/locale/bg',
-        'moment/locale/ca',
-        'moment/locale/cs',
-        'moment/locale/de',
-        'moment/locale/es',
-        'moment/locale/eu',
-        'moment/locale/fr',
-        'moment/locale/he',
-        'moment/locale/hi',
-        'moment/locale/hu',
-        'moment/locale/id',
-        'moment/locale/it',
-        'moment/locale/ja',
-        'moment/locale/nb',
-        'moment/locale/nl',
-        'moment/locale/pl',
-        'moment/locale/pt-br',
-        'moment/locale/ro',
-        'moment/locale/ru',
-        'moment/locale/tr',
-        'moment/locale/uk',
-        'moment/locale/zh-cn',
-        'moment/locale/zh-tw'
-    ], factory);
-}(this, function (Promise, Jed, _, moment) {
-    'use strict';
+import 'moment/locale/af';
+import 'moment/locale/ar';
+import 'moment/locale/bg';
+import 'moment/locale/ca';
+import 'moment/locale/cs';
+import 'moment/locale/de';
+import 'moment/locale/es';
+import 'moment/locale/eu';
+import 'moment/locale/fr';
+import 'moment/locale/he';
+import 'moment/locale/hi';
+import 'moment/locale/hu';
+import 'moment/locale/id';
+import 'moment/locale/it';
+import 'moment/locale/ja';
+import 'moment/locale/nb';
+import 'moment/locale/nl';
+import 'moment/locale/pl';
+import 'moment/locale/pt-br';
+import 'moment/locale/ro';
+import 'moment/locale/ru';
+import 'moment/locale/tr';
+import 'moment/locale/uk';
+import 'moment/locale/zh-cn';
+import 'moment/locale/zh-tw';
+import Jed from "jed";
+import Promise from "es6-promise/dist/es6-promise.auto";
+import _ from "./lodash.noconflict";
+import moment from "moment";
 
-    function detectLocale (library_check) {
+
+function detectLocale (library_check) {
     /* Determine which locale is supported by the user's system as well
      * as by the relevant library (e.g. converse.js or moment.js).
      *
@@ -70,26 +66,26 @@
         locale = isLocaleAvailable(window.navigator.systemLanguage, library_check);
     }
     return locale || 'en';
-    }
+}
 
-    function isMomentLocale (locale) {
+function isMomentLocale (locale) {
     return _.includes(moment.locales(), locale);
-    }
+}
 
-    function isConverseLocale (locale, supported_locales) {
+function isConverseLocale (locale, supported_locales) {
     return _.isString(locale) && _.includes(supported_locales, locale);
-    }
+}
 
-    function getLocale (preferred_locale, isSupportedByLibrary) {
+function getLocale (preferred_locale, isSupportedByLibrary) {
     if (_.isString(preferred_locale)) {
         if (preferred_locale === 'en' || isSupportedByLibrary(preferred_locale)) {
             return preferred_locale;
         }
     }
     return detectLocale(isSupportedByLibrary) || 'en';
-    }
+}
 
-    function isLocaleAvailable (locale, available) {
+function isLocaleAvailable (locale, available) {
     /* Check whether the locale or sub locale (e.g. en-US, en) is supported.
      *
      * Parameters:
@@ -104,11 +100,11 @@
             return sublocale;
         }
     }
-    }
+}
 
-    let jed_instance;
+let jed_instance;
 
-    return {
+export default {
 
     setLocales (preferred_locale, _converse) {
         _converse.locale = getLocale(
@@ -169,5 +165,4 @@
             xhr.send();
         });
     }
-    };
-}));
+};