FIX the babel6 test, MAYBE?

.babelrc.js

@@ -0,0 +1,46 @@
+module.exports = {
+  presets: ['@babel/preset-env', '@babel/preset-react', '@babel/preset-flow'],
+  plugins: [
+    'babel-plugin-emotion',
+    'babel-plugin-macros',
+    '@babel/plugin-proposal-class-properties',
+    '@babel/plugin-proposal-export-default-from',
+    [
+      '@babel/plugin-transform-runtime',
+      {
+        regenerator: true,
+      },
+    ],
+  ],
+  env: {
+    test: {
+      plugins: ['babel-plugin-require-context-hook'],
+    },
+  },
+  overrides: [
+    {
+      test: './examples/vue-kitchen-sink',
+      presets: ['@babel/preset-env', 'babel-preset-vue'],
+    },
+    {
+      test: [
+        './lib/core/src/server',
+        './lib/node-logger',
+        './lib/codemod',
+        './addons/storyshots',
+        './addons/storysource/src/loader',
+        './app/**/src/server/**',
+      ],
+      presets: [
+        [
+          '@babel/preset-env',
+          {
+            targets: {
+              node: '8.11',
+            },
+          },
+        ],
+      ],
+    },
+  ],
+};

lib/core/src/server/manager/manager-webpack.config.js

@@ -6,11 +6,13 @@ import CaseSensitivePathsPlugin from 'case-sensitive-paths-webpack-plugin';
 
 import { version } from '../../../package.json';
 import { getManagerHeadHtml } from '../utils/template';
-import { excludePaths, loadEnv, getBabelRuntimePath } from '../config/utils';
+import { loadEnv, getBabelRuntimePath } from '../config/utils';
 
 export default ({ configDir, entries, outputDir }) => {
   const { raw, stringified } = loadEnv();
 
+  const exclude = /node_modules/;
+
   return {
     name: 'manager',
     mode: 'production',
@@ -51,7 +53,7 @@ export default ({ configDir, entries, outputDir }) => {
               loader: 'babel-loader',
             },
           ],
-          exclude: excludePaths,
+          exclude,
         },
         {
           test: /\.md$/,