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import { isLeapYear } from "./isLeapYear.js";
import { toDate } from "./toDate.js";
/**
* The {@link getDaysInYear} function options.
*/
/**
* @name getDaysInYear
* @category Year Helpers
* @summary Get the number of days in a year of the given date.
*
* @description
* Get the number of days in a year of the given date.
*
* @param date - The given date
* @param options - An object with options
*
* @returns The number of days in a year
*
* @example
* // How many days are in 2012?
* const result = getDaysInYear(new Date(2012, 0, 1))
* //=> 366
*/
export function getDaysInYear(date, options) {
const _date = toDate(date, options?.in);
if (Number.isNaN(+_date)) return NaN;
return isLeapYear(_date) ? 366 : 365;
}
// Fallback for modularized imports:
export default getDaysInYear;