Store typedef on the helper and use it to show a parameter list

site/components/Module.jsx

@@ -0,0 +1,26 @@
+import {object} from 'prop-types';
+import React from 'react';
+import Class from './Class';
+import Func from './Func';
+
+function Module({module, helper}) {
+  return (
+    <div>
+      <hr />
+      <h2>{module.id}</h2>
+      {module.classes.map(cls => (
+        <Class key={cls.name} cls={cls} module={module} helper={helper} />
+      ))}
+      {module.functions.map(func => (
+        <Func key={func.name} func={func} module={module} helper={helper} />
+      ))}
+    </div>
+  );
+}
+
+Module.propTypes = {
+  module: object.isRequired,
+  helper: object.isRequired
+};
+
+export default Module;