refactoring locales management

plugins/i18n.js

@@ -1,7 +1,6 @@
 import Vue from 'vue'
 import VueI18n from 'vue-i18n'
 import merge from 'lodash/merge'
-import messages from '../locales'
 
 Vue.use(VueI18n)
 
@@ -11,6 +10,14 @@ export default ({ app, store, req }) => {
     if (req.settings.user_locale) { store.commit('setUserLocale', req.settings.user_locale) }
   }
 
+  const messages = {}
+  messages[store.state.locale] = require(`../locales/${store.state.locale}.json`)
+
+  // always include en fallback locale
+  if (store.state.locale !== 'en') {
+    messages.en = require('../locales/en.json')
+  }
+
   if (store.state.user_locale) {
     merge(messages[store.state.locale], store.state.user_locale)
   }