src/ethiopic/lib/isSameYear.ts

import { toEthiopicDate } from "../utils/index.js";

/**
 * Checks if two dates fall in the same Ethiopian year.
 *
 * @param dateLeft - The first gregorian date to compare
 * @param dateRight - The second gregorian date to compare
 * @returns True if the dates are in the same Ethiopian year
 */
export function isSameYear(dateLeft: Date, dateRight: Date): boolean {
  const left = toEthiopicDate(dateLeft);
  const right = toEthiopicDate(dateRight);
  return left.year === right.year;
}