function defaultimport { default } from "https://dotland.deno.dev/x/date_fns@v2.22.1/isSunday/index.ts"; default(dirtyDate: Date | number): booleanExamples// Is 21 September 2014 Sunday? var result = isSunday(new Date(2014, 8, 21)) //=> true ParametersdirtyDate: Date | number the date to check Returnsbooleanthe date is Sunday