feat(perf): use lazy module evaluation

Author: thymikee

babel.config.js

@@ -10,5 +10,11 @@ module.exports = {
     ],
     require.resolve('@babel/preset-flow'),
   ],
-  plugins: [require.resolve('@babel/plugin-transform-strict-mode')],
+  plugins: [
+    require.resolve('@babel/plugin-transform-strict-mode'),
+    [
+      require.resolve('@babel/plugin-transform-modules-commonjs'),
+      { lazy: true },
+    ],
+  ],
 };

package.json

@@ -15,6 +15,7 @@
   },
   "dependencies": {
     "@babel/core": "^7.0.0",
+    "@babel/plugin-transform-modules-commonjs": "^7.2.0",
     "@babel/plugin-transform-strict-mode": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-flow": "^7.0.0",