storybook webpack config extends app config

storybook/webpack.config.js

@@ -0,0 +1,21 @@
+const appConfig = require('../webpack.config.js');
+
+module.exports = async ({ config: storybookConfig, mode }) => {
+    storybookConfig.module = {
+        ...storybookConfig.module
+    };
+    storybookConfig.module.rules = appConfig.module.rules;
+    storybookConfig.resolve = {
+        ...storybookConfig.resolve
+    };
+    storybookConfig.resolve.extensions = [
+        ...storybookConfig.resolve.extensions,
+        ...appConfig.resolve.extensions
+    ];
+    storybookConfig.resolve.alias = {
+        ...storybookConfig.resolve.alias,
+        ...appConfig.resolve.alias
+    };
+
+    return storybookConfig;
+};