import { isFriday } from "https://deno.land/x/date_fns@v2.0.0-beta.2/index.js";
Examples
// Is 26 September 2014 Friday?
var result = isFriday(new Date(2014, 8, 26))
//=> true
// Is 26 September 2014 Friday? var result = isFriday(new Date(2014, 8, 26)) //=> true