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export default function isLeapYear(year = new Date()) {	if (typeof year === 'string') {		year = new Date(year);	}
	if (!(year instanceof Date) && typeof year !== 'number') {		throw new TypeError(			`Expected "year" type to be "Date" | "number" | "string" and got ${typeof year}.`,		);	}
	year = year instanceof Date ? year.getUTCFullYear() : year;	return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;}