Merged in feat/LOY-424-Sidepeek-Past-Stays (pull request #3270)

feat(LOY-424): Load More Past Stays via Sidepeek

* feat(LOY-424): Load More Past Stays via Sidepeek

* chore(LOY-424): use new section header

* fix(LOY-424): remove uneeded nextCursor check


Approved-by: Emma Zettervall

apps/scandic-web/components/Blocks/DynamicContent/Stays/Previous/utils/groupStaysByYear.ts

@@ -0,0 +1,29 @@
+import { dt } from "@scandic-hotels/common/dt"
+
+import type { Stay } from "@scandic-hotels/trpc/routers/user/output"
+
+export interface StaysByYear {
+  year: number
+  stays: Stay[]
+}
+
+/**
+ * Groups stays by year based on checkinDate.
+ * @returns an array sorted by year in descending order (most recent first).
+ */
+export function groupStaysByYear(stays: Stay[]): StaysByYear[] {
+  const groupedMap = new Map<number, Stay[]>()
+
+  for (const stay of stays) {
+    const year = dt(stay.attributes.checkinDate).year()
+
+    if (!groupedMap.has(year)) {
+      groupedMap.set(year, [])
+    }
+    groupedMap.get(year)!.push(stay)
+  }
+
+  return Array.from(groupedMap.entries())
+    .sort(([yearA], [yearB]) => yearB - yearA)
+    .map(([year, stays]) => ({ year, stays }))
+}