locutus/esm/python/calendar/isleap.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

import { isLeapYear, normalizeCalendarYear } from "../_helpers/_calendar.js";
export function isleap(year) {
    //      discuss at: https://locutus.io/python/calendar/isleap/
    // parity verified: Python 3.12
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: isleap(2000)
    //       returns 1: true
    //       example 2: isleap(1900)
    //       returns 2: false
    if (arguments.length === 0) {
        throw new TypeError("isleap() missing 1 required positional argument: 'year'");
    }
    return isLeapYear(normalizeCalendarYear(year, 'isleap'));
}