Make work the init method with options

src/i18n/index.js

@@ -29,7 +29,7 @@
  * @module I18n
  */
 import { keys, isUndefined } from 'underscore';
-import messages from './locale';
+import en from './locale/en';
 
 export default () => {
   const { language } = window.navigator || {};
@@ -38,7 +38,7 @@ export default () => {
     locale: localeDef,
     localeFallback: 'en',
     counter: 'n',
-    messages
+    messages: { en }
   };
 
   return {
@@ -83,6 +83,7 @@ export default () => {
      * @private
      */
     init(opts = {}) {
+      this.config = { ...config, ...opts };
       this.em = opts.em;
       return this;
     },

test/specs/i18n/index.js

@@ -24,6 +24,23 @@ describe('I18n', () => {
       expect(obj.getLocale()).toBeTruthy();
     });
 
+    test('Init with config', () => {
+      const locale = 'it';
+      const localeFallback = 'it';
+      const msg = 'Hello!!!';
+      obj.init({
+        em,
+        locale,
+        localeFallback,
+        messages: {
+          en: { msg }
+        }
+      });
+      expect(obj.getLocale()).toBe(locale);
+      expect(obj.getConfig().localeFallback).toBe(localeFallback);
+      expect(obj.getLocale()).toBe(locale);
+    });
+
     test('setLocale and getLocale methods', () => {
       const localeBefore = obj.getLocale();
       const localeNew = `${localeBefore}2`;