import { lastDayOfISOWeek } from "https://deno.land/x/date_fns@v2.12.0/index.js";
Examples
// The last day of an ISO week for 2 September 2014 11:55:00:
var result = lastDayOfISOWeek(new Date(2014, 8, 2, 11, 55, 0))
//=> Sun Sep 07 2014 00:00:00
// The last day of an ISO week for 2 September 2014 11:55:00: var result = lastDayOfISOWeek(new Date(2014, 8, 2, 11, 55, 0)) //=> Sun Sep 07 2014 00:00:00