From 0726e0091ff93fbaec76005638c6a4d1ea14d61b Mon Sep 17 00:00:00 2001
From: Yonel Ceruto <yonelceruto@gmail.com>
Date: Thu, 15 Jun 2017 14:31:30 -0400
Subject: [PATCH] [Webpack/Moment] Include used locales only

---
 src/AppBundle/Form/Type/DateTimePickerType.php | 2 +-
 webpack.config.js                              | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/AppBundle/Form/Type/DateTimePickerType.php b/src/AppBundle/Form/Type/DateTimePickerType.php
index d1f8d996e..1c370b40c 100644
--- a/src/AppBundle/Form/Type/DateTimePickerType.php
+++ b/src/AppBundle/Form/Type/DateTimePickerType.php
@@ -41,7 +41,7 @@ public function __construct(MomentFormatConverter $converter)
     public function buildView(FormView $view, FormInterface $form, array $options)
     {
         $view->vars['attr']['data-date-format'] = $this->formatConverter->convert($options['format']);
-        $view->vars['attr']['data-date-locale'] = \Locale::getDefault();
+        $view->vars['attr']['data-date-locale'] = mb_strtolower(strtr(\Locale::getDefault(), '_', '-'));
     }
 
     /**
diff --git a/webpack.config.js b/webpack.config.js
index 801b8a0d6..95c2e3aa8 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -23,6 +23,9 @@ Encore
 
 var config = Encore.getWebpackConfig();
 
-config.plugins.push(new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/));
+config.plugins.push(new webpack.ContextReplacementPlugin(
+    /moment[\/\\]locale$/,
+    /en|fr|de|es|cs|nl|ru|uk|ro|pt-br|pl|it|ja|id|ca|sl|hr|zh-cn/
+));
 
 module.exports = config;