// @ts-nocheck
/* eslint-disable */
import pad from "./pad.mjs";
/**
 * @param {String} value YYYY-MM format
 * @param {Number} sign -1 or +1
 */
export default ((value, sign) => {
  const [year, month] = value.split('-').map(Number);
  if (month + sign === 0) {
    return `${year - 1}-12`;
  } else if (month + sign === 13) {
    return `${year + 1}-01`;
  } else {
    return `${year}-${pad(month + sign)}`;
  }
});
//# sourceMappingURL=monthChange.mjs.map