src/hebrew/lib/addYears.ts

import { toHebrewDate } from "../utils/dateConversion.js";

import { setYear } from "./setYear.js";

export function addYears(date: Date, amount: number): Date {
  if (amount === 0) {
    return new Date(date.getTime());
  }
  const hebrew = toHebrewDate(date);
  return setYear(date, hebrew.year + amount);
}