fix(dates): invalid UTC in RRULE

resources/ts/lib/dates.ts

@@ -1,6 +1,22 @@
 import { formatDistanceToNow } from "date-fns";
 import { enUS, fr } from "date-fns/locale";
 
+export function parseDateInput(rawDate: string): Date {
+    const parts = rawDate.split('-').map(part => parseInt(part, 10));
+    if (!parts[0] || !parts[1] || !parts[2]) {
+        return new Date(new Date().setHours(0, 0, 0, 0))
+    }
+    return new Date(parts[0], parts[1] - 1, parts[2]);
+}
+
+export function formatDateInput(date: Date): string {
+    return [
+        date.getFullYear().toFixed(0),
+        (date.getMonth() + 1).toFixed(0).padStart(2, '0'),
+        (date.getDate()).toFixed(0).padStart(2, '0'),
+    ].join('-');
+}
+
 export function relativeTime(date: Date, locale: string): string {
     return formatDistanceToNow(date, {
         addSuffix: true,