It appears that the repository has undergone several changes and renamings:

backend/node_modules/date-fns/getQuarter.cjs

@@ -1,31 +0,0 @@
-"use strict";
-exports.getQuarter = getQuarter;
-var _index = require("./toDate.cjs");
-
-/**
- * The {@link getQuarter} function options.
- */
-
-/**
- * @name getQuarter
- * @category Quarter Helpers
- * @summary Get the year quarter of the given date.
- *
- * @description
- * Get the year quarter of the given date.
- *
- * @param date - The given date
- * @param options - An object with options
- *
- * @returns The quarter
- *
- * @example
- * // Which quarter is 2 July 2014?
- * const result = getQuarter(new Date(2014, 6, 2));
- * //=> 3
- */
-function getQuarter(date, options) {
-  const _date = (0, _index.toDate)(date, options?.in);
-  const quarter = Math.trunc(_date.getMonth() / 3) + 1;
-  return quarter;
-}