function defaultimport { default } from "https://deno.land/x/date_fns@v2.22.1/startOfHour/index.ts"; default(dirtyDate: Date | number): DateExamples// The start of an hour for 2 September 2014 11:55:00: const result = startOfHour(new Date(2014, 8, 2, 11, 55)) //=> Tue Sep 02 2014 11:00:00 ParametersdirtyDate: Date | number the original date ReturnsDatethe start of an hour