add timesheets page

resources/js/packages/ui/src/utils/settings.ts

@@ -8,6 +8,20 @@ export function getWeekStart() {
     }
     return weekStart;
 }
+
+const weekStartMap: Record<string, number> = {
+    sunday: 0,
+    monday: 1,
+    tuesday: 2,
+    wednesday: 3,
+    thursday: 4,
+    friday: 5,
+    saturday: 6,
+};
+
+export function getWeekStartDayNumber(): number {
+    return weekStartMap[getWeekStart()] ?? 1;
+}
 export function getUserTimezone() {
     const timezone = window?.getTimezoneSetting() as string;
     if (!timezone) {

resources/js/packages/ui/src/utils/time.ts

@@ -188,6 +188,15 @@ export function getLocalizedDateFromTimestamp(timestamp: string) {
     return getLocalizedDayJs(timestamp).format('YYYY-MM-DD');
 }
 
+/**
+ * Converts a local Date to a UTC-formatted ISO string.
+ * Treats the Date as being in the user's timezone and converts to UTC.
+ * This is the inverse of getLocalizedDayJs (which goes UTC → local).
+ */
+export function localDateToUtc(date: dayjs.Dayjs): string {
+    return date.tz(getUserTimezone(), true).utc().format();
+}
+
 /*
  * Returns a formatted date.
  * @param date - date in the format of 'YYYY-MM-DD'