add some date handling

web/src/lib/date.ts

@@ -0,0 +1,24 @@
+import { isToday, isAfter, parseISO } from "date-fns";
+import { toZonedTime, format } from "date-fns-tz";
+
+const timeZone = "Europe/Oslo";
+
+export const commonDateFormat = "dd.MM.yyyy 'kl.' HH:mm";
+
+export function toLocalTime(date: Date | string | number) {
+  return toZonedTime(date, timeZone);
+}
+
+export function formatDate(date: Date | string | number, formatStr: string) {
+  return format(toLocalTime(date), formatStr, { timeZone });
+}
+
+export function isTodayOrFuture(
+  date: Date | string | number,
+  timeZone = "UTC"
+) {
+  const now = new Date();
+  const zonedNow = toZonedTime(now, timeZone);
+  const zonedDate = toLocalTime(date);
+  return isToday(zonedDate) || isAfter(zonedDate, zonedNow);
+}

web/src/lib/event.ts

@@ -1,6 +1,8 @@
 import { graphql } from "@/gql";
 import { EventFragment, EventOccurrence } from "@/gql/graphql";
 
+export type { EventFragment } from "@/gql/graphql"
+
 const EventFragmentDefinition = graphql(`
   fragment Event on EventPage {
     __typename