easter-date/dist/good-friday.js

Calculate the date of Easter for a given year

import { getEaster } from "./easter-sunday.js";
/**
 * Returns the date of Good Friday for a given year.
 * @param year
 */
export function getGoodFriday(year) {
    const date = getEaster(year);
    date.setDate(date.getDate() - 2);
    return date;
}
/**
 * Returns true if the given date is Good Friday.
 * @param date
 */
export function isGoodFriday(date) {
    const goodFriday = getGoodFriday(date.getFullYear());
    return (date.getFullYear() === goodFriday.getFullYear() &&
        date.getMonth() === goodFriday.getMonth() &&
        date.getDate() === goodFriday.getDate());
}