chg: dev: massive refactor on front-end for unification and readiness #8

assets/js/mine-seeker/components/ChallengeCountdown.jsx

@@ -7,6 +7,7 @@
  * file that was distributed with this source code.
  */
 import { Fragment, useEffect, useState } from 'react';
+import { func, number } from 'prop-types';
 
 const ChallengeCountdown = ({ onAccept, onDecline, seconds = 30 }) => {
   const [countdown, setCountdown] = useState(seconds);
@@ -39,3 +40,9 @@ const ChallengeCountdown = ({ onAccept, onDecline, seconds = 30 }) => {
 };
 
 export default ChallengeCountdown;
+
+ChallengeCountdown.propTypes = {
+  onAccept:  func.isRequired,
+  onDecline: func.isRequired,
+  seconds:   number,
+};