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import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name lastDayOfYear
* @category Year Helpers
* @summary Return the last day of a year for the given date.
*
* @description
* Return the last day of a year for the given date.
* The result will be in the local timezone.
*
* @param {Date|Number} date - the original date
* @returns {Date} the last day of a year
* @throws {TypeError} 1 argument required
*
* @example
* // The last day of a year for 2 September 2014 11:55:00:
* const result = lastDayOfYear(new Date(2014, 8, 2, 11, 55, 00))
* //=> Wed Dec 31 2014 00:00:00
*/
export default function lastDayOfYear(dirtyDate) {
requiredArgs(1, arguments);
var date = toDate(dirtyDate);
var year = date.getFullYear();
date.setFullYear(year + 1, 0, 0);
date.setHours(0, 0, 0, 0);
return date;
}
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