title: Exposing React Component PropTypes
body: <p>I am developing some reusable components in React Native. I have defined some <strong>PropTypes</strong> for components but when I publish the components to my private <strong>npm repository</strong> the Props Intellisense doesn't work.</p>
  
  <p>As an example if I define a <strong>title</strong> <strong>propType</strong>, when I add the component to another component if I start typing <strong>t...</strong> it doesn't suggest <strong>title</strong> to me.</p>
  
  <p>How can I fix this issue?</p>