Implemented Torranx's suggestion

Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>

src/timed-event-manager.ts

@@ -6,16 +6,19 @@ export enum EventType {
   GENERIC
 }
 
-interface TimedEvent {
+interface EventBanner {
+  bannerFilename?: string;
+  xPosition?: number;
+  yPosition?: number;
+  scale?: number;
+}
+
+interface TimedEvent extends EventBanner {
   name: string;
   eventType: EventType;
   shinyMultiplier?: number;
   startDate: Date;
   endDate: Date;
-  bannerFilename?: string;
-  xPosition?: number;
-  yPosition?: number;
-  scale?: number;
 }
 
 const timedEvents: TimedEvent[] = [
@@ -157,8 +160,8 @@ export class TimedEventDisplay extends Phaser.GameObjects.Container {
   }
 
   updateCountdown() {
-    if (this.event!.eventType !== EventType.GENERIC) {
-      this.eventTimerText.setText(this.timeToGo(this.event!.endDate));
+    if (this.event && this.event.eventType !== EventType.GENERIC) {
+      this.eventTimerText.setText(this.timeToGo(this.event.endDate));
     }
   }
 }