.

config/webpack.config.js

@@ -118,6 +118,14 @@ module.exports = function(webpackEnv) {
           sourceMap: isEnvProduction && shouldUseSourceMap,
         },
       });
+      if(preProcessor == 'sass-loader' && !cssOptions.modules){
+        loaders.push({
+          loader: require.resolve('sass-resources-loader'),
+          options: {
+            resources: [require.resolve('../src/styles/variable.scss')]
+          }
+        })
+      }
     }
     return loaders;
   };

package.json

@@ -134,7 +134,8 @@
     ]
   },
   "devDependencies": {
-    "babel-plugin-import": "^1.11.0"
+    "babel-plugin-import": "^1.11.0",
+    "sass-resources-loader": "^2.0.0"
   },
   "theme": {
     "brand-primary": "green",