locutus/esm/python/calendar/weekday.js

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

import { normalizeCalendarDay, normalizeCalendarMonth, normalizeCalendarYear, pythonWeekday, } from "../_helpers/_calendar.js";
export function weekday(year, month, day) {
    //      discuss at: https://locutus.io/python/calendar/weekday/
    // parity verified: Python 3.12
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: weekday(2024, 2, 29)
    //       returns 1: 3
    if (arguments.length === 0) {
        throw new TypeError("weekday() missing 3 required positional arguments: 'year', 'month', and 'day'");
    }
    if (arguments.length === 1) {
        throw new TypeError("weekday() missing 2 required positional arguments: 'month' and 'day'");
    }
    if (arguments.length === 2) {
        throw new TypeError("weekday() missing 1 required positional argument: 'day'");
    }
    const normalizedYear = normalizeCalendarYear(year, 'weekday');
    const normalizedMonth = normalizeCalendarMonth(month, 'weekday');
    const normalizedDay = normalizeCalendarDay(normalizedYear, normalizedMonth, day, 'weekday');
    return pythonWeekday(normalizedYear, normalizedMonth, normalizedDay);
}