setISOWeekYear
import { setISOWeekYear } from "https://esm.sh/v135/date-fns@3.6.0/index.d.mts";@example
// Set ISO week-numbering year 2007 to 29 December 2008:
const result = setISOWeekYear(new Date(2008, 11, 29), 2007)
//=> Mon Jan 01 2007 00:00:00
function setISOWeekYear<DateType extends Date>(date: DateType | number | string, weekYear: number): DateType;