title: How to solve error in mobX at npm start?
body: <p>I get these errors in these files after <strong><em>NPM START</em></strong>. What should i do?</p>
  
  <pre><code>ERROR in ./~/mobx-router/src/route.js
  ERROR in ./~/mobx-router/src/start-router.js
  ERROR in ./~/mobx-router/src/components/MobxRouter.js
  ERROR in ./~/mobx-router/src/router-store.js
  ERROR in ./~/mobx-router/src/components/Link.js
  ERROR in ./~/bstrap-react-mobx-admin/input/text.js
  ERROR in ./~/bstrap-react-mobx-admin/input/date.js
  ERROR in ./~/bstrap-react-mobx-admin/input/select.js
  ERROR in ./~/bstrap-react-mobx-admin/view/edit.js
  .
  .
  .
  ERROR in ./~/bstrap-react-mobx-admin/field/bool.js
  ERROR in ./~/react-mobx-admin/state/data_table.js
  </code></pre>
  
  <p>All of them are just <strong><em>Unexpected token</em></strong>.
  But on the other PC it fully works. What can be wrong? Had aynone same problem?</p>
  
  <p>Thanks a lot.</p>