@genexus/web-standard-functions/dist/lib-esm/date/dayOfWeek.js

GeneXus JavaScript standard functions library for web generators

/**
 * Returns the number (1...7) of the day of the week. This number is associated with a day of the week (Sunday = 1).
 * @param {GxDate | GxDatetime} dateFrom
 * @return number
 */
import { DateTime } from "luxon";
import { EMPTY_DATE_VALUE } from "../date/core";
export const dayOfWeek = (dateFrom) => {
    return dateFrom.getTime() === EMPTY_DATE_VALUE.getTime()
        ? 0
        : (parseInt(DateTime.fromJSDate(dateFrom).toFormat("c"), 10) % 7) + 1;
};
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