endOfYear
import { endOfYear } from "https://esm.sh/v135/date-fns@3.6.0/index.d.mts";@example
// The end of a year for 2 September 2014 11:55:00:
const result = endOfYear(new Date(2014, 8, 2, 11, 55, 00))
//=> Wed Dec 31 2014 23:59:59.999
function endOfYear<DateType extends Date>(date: DateType | number | string): DateType;