isFriday
import { isFriday } from "https://esm.sh/v135/date-fns@3.6.0/index.d.mts";
@example
// Is 26 September 2014 Friday?
const result = isFriday(new Date(2014, 8, 26))
//=> true
function isFriday<DateType extends Date>(date: DateType | number | string): boolean;