isSameISOWeek
import { isSameISOWeek } from "https://esm.sh/v135/date-fns@3.6.0/index.d.mts";@example
// Are 1 September 2014 and 7 September 2014 in the same ISO week?
const result = isSameISOWeek(new Date(2014, 8, 1), new Date(2014, 8, 7))
//=> true
@example
// Are 1 September 2014 and 1 September 2015 in the same ISO week?
const result = isSameISOWeek(new Date(2014, 8, 1), new Date(2015, 8, 1))
//=> false
function isSameISOWeek<DateType extends Date>(dateLeft: DateType | number | string, dateRight: DateType | number | string): boolean;