refactored code according to review

browser/lib/Languages.js

@@ -1,5 +1,4 @@
-module.exports = {
+const languages = [
-  languages: [
   {
     name: 'Albanian',
     locale: 'sq'
@@ -60,6 +59,17 @@ module.exports = {
     name: 'Spanish',
     locale: 'es-ES'
   }
-  ]
+]
+
+module.exports = {
+  getLocales () {
+    return languages.reduce(function (localeList, locale) {
+      localeList.push(locale.locale)
+      return localeList
+    }, [])
+  },
+  getLanguages () {
+    return languages
+  }
 }
 

browser/lib/i18n.js

@@ -1,17 +1,12 @@
 const path = require('path')
 const { remote } = require('electron')
 const { app } = remote
-const { languages } = require('./Languages.js')
+const { getLocales } = require('./Languages.js')
-
-let locales = languages.reduce(function (localeList, locale) {
-  localeList.push(locale.locale)
-  return localeList
-}, [])
 
 // load package for localization
 const i18n = new (require('i18n-2'))({
   // setup some locales - other locales default to the first locale
-  locales: locales,
+  locales: getLocales(),
   extension: '.json',
   directory: process.env.NODE_ENV === 'production'
     ? path.join(app.getAppPath(), './locales')

browser/main/Main.js

@@ -15,7 +15,7 @@ import eventEmitter from 'browser/main/lib/eventEmitter'
 import { hashHistory } from 'react-router'
 import store from 'browser/main/store'
 import i18n from 'browser/lib/i18n'
-import { languages } from 'browser/lib/Languages'
+import { getLocales } from 'browser/lib/Languages'
 const path = require('path')
 const electron = require('electron')
 const { remote } = electron
@@ -153,12 +153,7 @@ class Main extends React.Component {
       document.body.setAttribute('data-theme', 'default')
     }
 
-    let locales = languages.reduce(function (localeList, locale) {
+    if (getLocales().indexOf(config.ui.language) !== -1) {
-      localeList.push(locale.locale)
-      return localeList
-    }, [])
-
-    if (locales.indexOf(config.ui.language) !== -1) {
       i18n.setLocale(config.ui.language)
     } else {
       i18n.setLocale('en')

browser/main/modals/PreferencesModal/UiTab.js

@@ -10,7 +10,7 @@ import CodeMirror from 'codemirror'
 import 'codemirror-mode-elixir'
 import _ from 'lodash'
 import i18n from 'browser/lib/i18n'
-import { languages } from 'browser/lib/Languages'
+import { getLanguages } from 'browser/lib/Languages'
 
 const OSX = global.process.platform === 'darwin'
 
@@ -184,9 +184,7 @@ class UiTab extends React.Component {
                 ref='uiLanguage'
               >
                 {
-                  languages.map((language) => {
+                  getLanguages().map((language) => <option value={language.locale} key={language.locale}>{i18n.__(language.name)}</option>)
-                    return (<option value={language.locale} key={language.locale}>{i18n.__(language.name)}</option>)
-                  })
                 }
               </select>
             </div>