Added validation before call phaseEndDate and phaseStartDate

Author: luizrrodrigues

src/shared/components/challenge-listing/Tooltips/ProgressBarTooltip/index.jsx

@@ -97,9 +97,9 @@ function Tip(props) {
 
   const allPhases = c.phases || [];
   const endPhaseDate = Math.max(...allPhases.map(d => phaseEndDate(d)));
-  const registrationPhase = allPhases.find(phase => phase.name === 'Registration');
-  const submissionPhase = allPhases.find(phase => phase.name === 'Submission');
-  const checkpointPhase = allPhases.find(phase => phase.name === 'Checkpoint Submission');
+  const registrationPhase = allPhases.find(phase => phase.name === 'Registration') || {};
+  const submissionPhase = allPhases.find(phase => phase.name === 'Submission') || {};
+  const checkpointPhase = allPhases.find(phase => phase.name === 'Checkpoint Submission') || {};
 
   if (registrationPhase) {
     steps.push({

src/shared/utils/challenge-listing/sort.js

@@ -56,8 +56,8 @@ export default {
       const getChallengeStartDate = (challenge) => {
         // extract the phases from `challenge.phases`,
         // as `challenge.registrationStartDate` returned from API is not reliable
-        const registrationPhase = find(challenge.phases, p => p.name === 'Registration');
-        const submissionPhase = find(challenge.phases, p => p.name === 'Submission');
+        const registrationPhase = find(challenge.phases, p => p.name === 'Registration') || {};
+        const submissionPhase = find(challenge.phases, p => p.name === 'Submission') || {};
         // registration phase exists
         if (registrationPhase) {
           return moment(phaseStartDate(registrationPhase));