fix: Require loadLanguageAsync only when needed

Author: paulgv

lib/templates/i18n.plugin.js

@@ -1,6 +1,5 @@
 import Vue from 'vue'
 import VueI18n from 'vue-i18n'
-import { loadLanguageAsync } from './i18n.utils'
 
 Vue.use(VueI18n)
 
@@ -24,6 +23,7 @@ export default ({ app, route, error }) => {
   }
   app.i18n.locale = locale
   if (<%= options.loadLanguagesAsync %>) {
+    const { loadLanguageAsync } = require('./i18n.utils')
     loadLanguageAsync(app.i18n, app.i18n.locale)
   }
 }

lib/templates/i18n.routing.middleware.js

@@ -1,5 +1,4 @@
 import middleware from './middleware'
-import { loadLanguageAsync } from './i18n.utils'
 
 middleware['i18n'] = function ({ app, route, redirect, error, hotReload }) {
   const locales = <%= JSON.stringify(options.locales) %>
@@ -28,6 +27,7 @@ middleware['i18n'] = function ({ app, route, redirect, error, hotReload }) {
   }
   if (locale === app.i18n.locale) return
   if (<%= options.loadLanguagesAsync %>) {
+    const { loadLanguageAsync } = require('./i18n.utils')
     loadLanguageAsync(app.i18n, locale)
       .then(() => {
         app.i18n.locale = locale