And now with files

src/lib/events.ts

@@ -0,0 +1,24 @@
+import type { EventItem } from './fallback-data';
+
+function getEventEndTime(event: EventItem): number {
+  const value = event.end_datetime || event.start_datetime;
+  const timestamp = new Date(value).getTime();
+  return Number.isFinite(timestamp) ? timestamp : 0;
+}
+
+function getEventStartTime(event: EventItem): number {
+  const timestamp = new Date(event.start_datetime).getTime();
+  return Number.isFinite(timestamp) ? timestamp : 0;
+}
+
+export function isUpcomingEvent(event: EventItem, now = new Date()): boolean {
+  return getEventEndTime(event) >= now.getTime();
+}
+
+export function sortEventsByStartDate(events: EventItem[]): EventItem[] {
+  return [...events].sort((left, right) => getEventStartTime(left) - getEventStartTime(right));
+}
+
+export function getUpcomingEvents(events: EventItem[], now = new Date()): EventItem[] {
+  return sortEventsByStartDate(events.filter((event) => isUpcomingEvent(event, now)));
+}