date-fns-jalali/_core/getMonth.js

Modern JavaScript date utility library for jalali calendar

import { toJalali } from "../_lib/jalali.js";

/**
 *
 * @param cleanDate {Date}
 * @returns {number}
 */
export function getMonth(cleanDate) {
  const gd = cleanDate.getDate();
  const gm = cleanDate.getMonth() + 1;
  const gy = cleanDate.getFullYear();
  return toJalali(gy, gm, gd).jm - 1;
}