import { default } from "https://deno.land/x/date_fns@v2.0.0-beta.3/getISOWeeksInYear/index.js";
Examples
// How many weeks are in ISO week-numbering year 2015?
var result = getISOWeeksInYear(new Date(2015, 1, 11))
//=> 53
// How many weeks are in ISO week-numbering year 2015? var result = getISOWeeksInYear(new Date(2015, 1, 11)) //=> 53