Merge pull request #7 from matthieuve/main

Check if expirationDate is really defined

Author: stuartcaunt

src/app/core/models/instance.model.ts

@@ -287,7 +287,7 @@ export class Instance {
     }
 
     public willExpireInHours(hours: number): boolean {
-        if (this.expirationDate != null) {
+        if (this.expirationDate instanceof Date) {
             const durationS = (this.expirationDate.getTime() - new Date().getTime());
             return durationS < hours * 60 * 60 * 1000;
         }

src/app/user/instance-list/card/card.component.ts

@@ -347,7 +347,7 @@ export class CardComponent implements OnInit, OnDestroy {
     }
 
     private updateExpirationCountdown(): void {
-        if (this.instance.expirationDate) {
+        if (this.instance.expirationDate instanceof Date) {
             const second = 1000;
             const minute = second * 60;
             const hour = minute * 60;