function defaultimport { default } from "https://dotland.deno.dev/x/date_fns@v2.22.1/isLeapYear/index.ts"; default(dirtyDate: Date | number): booleanExamples// Is 1 September 2012 in the leap year? var result = isLeapYear(new Date(2012, 8, 1)) //=> true ParametersdirtyDate: Date | number the date to check Returnsbooleanthe date is in the leap year