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node_modules/date-fns/differenceInCalendarQuarters.mjs

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+import { getQuarter } from "./getQuarter.mjs";
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name differenceInCalendarQuarters
+ * @category Quarter Helpers
+ * @summary Get the number of calendar quarters between the given dates.
+ *
+ * @description
+ * Get the number of calendar quarters between the given dates.
+ *
+ * @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).
+ *
+ * @param dateLeft - The later date
+ * @param dateRight - The earlier date
+
+ * @returns The number of calendar quarters
+ *
+ * @example
+ * // How many calendar quarters are between 31 December 2013 and 2 July 2014?
+ * const result = differenceInCalendarQuarters(
+ *   new Date(2014, 6, 2),
+ *   new Date(2013, 11, 31)
+ * )
+ * //=> 3
+ */
+export function differenceInCalendarQuarters(dateLeft, dateRight) {
+  const _dateLeft = toDate(dateLeft);
+  const _dateRight = toDate(dateRight);
+
+  const yearDiff = _dateLeft.getFullYear() - _dateRight.getFullYear();
+  const quarterDiff = getQuarter(_dateLeft) - getQuarter(_dateRight);
+
+  return yearDiff * 4 + quarterDiff;
+}
+
+// Fallback for modularized imports:
+export default differenceInCalendarQuarters;