PropType for login tokens

Author: smashwilson

lib/prop-types.js

@@ -1,5 +1,7 @@
 import PropTypes from 'prop-types';
 
+export const TokenPropType = PropTypes.oneOfType([PropTypes.string, PropTypes.symbol, PropTypes.instanceOf(Error)]);
+
 export const DOMNodePropType = (props, propName, componentName) => {
   if (props[propName] instanceof HTMLElement) {
     return null;