Function findNextMonth

packages/effect/src/internal/schedule.ts:1822–1832

(now: number, day: number, months: number)

/** @internal */
export const findNextMonth = (now: number, day: number, months: number): number => {
  const d = new Date(now)
  const tmp1 = new Date(d.setDate(day))
  const tmp2 = new Date(tmp1.setMonth(tmp1.getMonth() + months))
  if (tmp2.getDate() === day) {
    const d2 = new Date(now)
    const tmp3 = new Date(d2.setDate(day))
    return tmp3.setMonth(tmp3.getMonth() + months)
  }
  return findNextMonth(now, day, months + 1)
}

// circular with Effect