Fixed: "File Upload Broken in IE9, v2.3.1" (#633)

Author: nervgh

.babelrc

@@ -0,0 +1,13 @@
+{
+  "presets": [
+    "es2015"
+  ],
+  "plugins": [
+    [
+      "transform-es2015-classes",
+      {
+        "loose": true
+      }
+    ]
+  ]
+}

WebpackConfig.js

@@ -35,10 +35,7 @@ class WebpackConfig {
           // https://github.com/babel/babel-loader
           {
             test: /\.js$/,
-            loader: 'babel',
-            query: {
-              presets: ['es2015']
-            }
+            loader: 'babel'
           },
           // https://github.com/webpack/json-loader
           {test: /\.json$/, loader: 'json'},