import { default } from "https://deno.land/x/date_fns@v2.0.0-alpha.35/addWeeks/index.js";
Examples
// Add 4 weeks to 1 September 2014:
var result = addWeeks(new Date(2014, 8, 1), 4)
//=> Mon Sep 29 2014 00:00:00
// Add 4 weeks to 1 September 2014: var result = addWeeks(new Date(2014, 8, 1), 4) //=> Mon Sep 29 2014 00:00:00