fixed webpack

webpack/webpack.bare.js

@@ -35,6 +35,28 @@ module.exports = {
           },
           {
             loader: 'sass-loader',
+            options: {
+              sourceMap: true,
+            },
+          },
+        ],
+      },
+      {
+        test: /\.less$/,
+        use: [
+          {
+            loader: 'style-loader',
+          },
+          {
+            loader: 'css-loader',
+          },
+          {
+            loader: 'less-loader', // compiles Less to CSS
+            options: {
+              lessOptions: {
+                javascriptEnabled: true,
+              },
+            },
           },
         ],
       },