infinite reverse month loop, which returns array of objects started from provided date minus one month

reverseMonthLoop

const months = ['Янв', 'Фев', 'Мар', 'Апр', 'Май', 'Июнь', 'Июль', 'Авг', 'Сент', 'Окт', 'Ноя', 'Дек'];

const reverseMonthLoop = (date, iterations) => {
  let titles = [];
  const [d, m, y] = date.split('.');

  const reversedMonths = memoizedCalculateMonth(m, iterations);
  reversedMonths.map(month => {
    titles.push({
      month: months[month - 1],
      year: memoizedCalculateYear({ m: month, d, y: y }),
    });
  });

  return titles;
};

const calculateMonth = () => {
  let cached = 0;
  let reversedMonths = [];
  return (month, i) => {
    if (i > cached) {
      cached++;
      if (month > 1) {
        month--;
        reversedMonths.push(month);
      } else {
        month = months.length;
        reversedMonths.push(month);
      }
      memoizedCalculateMonth(month, i);
    }
    return reversedMonths;
  }
};

const calculateYear = () => {
  let cache = [];
  return (n) => {
    if (cache.length > 0) {
      const { m, d, y } = cache[cache.length-1];
      const memoizedDate = new Date(`${m}.${d}.${y}`);
      const givenDate = new Date(`${n.m}.${n.d}.${y}`);
      if (givenDate > memoizedDate) {
        cache.push({ m:n.m, d:n.d, y: y-1 });
        return y-1;
      } else {
        cache.push({ m:n.m, d:n.d, y: y });
        return y;
      }
    } else {
      if (n.m === 12) {
        cache.push({ m: n.m, d: n.d, y: n.y-1});
        return n.y-1;
      } else {
        cache.push(n);
        return n.y;
      }
    }
  }
};

const memoizedCalculateMonth = calculateMonth();

const memoizedCalculateYear = calculateYear();