📝 Commit Details:

backend/node_modules/date-fns/endOfQuarter.js

@@ -0,0 +1,39 @@
+import { toDate } from "./toDate.js";
+
+/**
+ * The {@link endOfQuarter} function options.
+ */
+
+/**
+ * @name endOfQuarter
+ * @category Quarter Helpers
+ * @summary Return the end of a year quarter for the given date.
+ *
+ * @description
+ * Return the end of a year quarter for the given date.
+ * The result will be in the local timezone.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.
+ *
+ * @param date - The original date
+ * @param options - An object with options
+ *
+ * @returns The end of a quarter
+ *
+ * @example
+ * // The end of a quarter for 2 September 2014 11:55:00:
+ * const result = endOfQuarter(new Date(2014, 8, 2, 11, 55, 0))
+ * //=> Tue Sep 30 2014 23:59:59.999
+ */
+export function endOfQuarter(date, options) {
+  const _date = toDate(date, options?.in);
+  const currentMonth = _date.getMonth();
+  const month = currentMonth - (currentMonth % 3) + 3;
+  _date.setMonth(month, 0);
+  _date.setHours(23, 59, 59, 999);
+  return _date;
+}
+
+// Fallback for modularized imports:
+export default endOfQuarter;