[#30] Load data for the current month

src/utils/dateUtils.ts

@@ -0,0 +1,29 @@
+export function formatDateToYYYYMMDDTHHMMSS(date: Date) {
+  const year = date.getFullYear();
+  const month = String(date.getMonth() + 1).padStart(2, "0");
+  const day = String(date.getDate()).padStart(2, "0");
+  return `${year}${month}${day}T000000`;
+}
+
+export function getCalendarRange(date = new Date()) {
+  const year = date.getFullYear();
+  const month = date.getMonth();
+
+  const firstOfMonth = new Date(year, month, 1);
+  const dayOfWeekStart = firstOfMonth.getDay();
+  const diffToMonday = (dayOfWeekStart + 6) % 7;
+  const startDate = new Date(firstOfMonth);
+  startDate.setDate(firstOfMonth.getDate() - diffToMonday);
+
+  const lastOfMonth = new Date(year, month + 1, 0);
+  const dayOfWeekEnd = lastOfMonth.getDay();
+
+  const diffToSunday = (7 - dayOfWeekEnd) % 7;
+  const endDate = new Date(lastOfMonth);
+  endDate.setDate(lastOfMonth.getDate() + diffToSunday);
+
+  return {
+    start: startDate,
+    end: endDate,
+  };
+}