moment-business-days-sk/dist/index.js

MomentJS plugin to use business days with slovak holidays

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
const moment_business_days_1 = __importDefault(require("moment-business-days"));
const MIN_YEAR = 1000;
const MIN_YEAR_CACHED = 1750;
const MAX_YEAR_CACHED = 2250;
const MAX_YEAR = 3000;
moment_business_days_1.default.locale('sk');
moment_business_days_1.default.updateLocale('sk', {
    holidays: [
        '01/01',
        '05/07',
        '29/08',
        '01/09',
        '17/11',
        '06/01',
        '01/05',
        '08/05',
        '15/09',
        '01/11',
        '24/12',
        '25/12',
        '26/12',
    ],
    holidayFormat: 'DD/MM',
    holiday: function (someMoment) {
        const year = someMoment.year();
        const month = someMoment.month() + 1;
        const date = someMoment.date();
        const day = someMoment.day();
        if (year === 2018 && month === 10 && 30 === date) {
            return true;
        }
        if ((month == 3 || month == 4) && (day == 5 || day == 1)) {
            const someEaster = someMoment.easter(year);
            if (day == 5) {
                const easterFriday = moment_business_days_1.default(someEaster).subtract(2, 'd');
                if (someMoment.isSame(easterFriday, 'day')) {
                    return true;
                }
            }
            if (day == 1) {
                const easterMonday = moment_business_days_1.default(someEaster).add(1, 'd');
                if (someMoment.isSame(easterMonday, 'day')) {
                    return true;
                }
            }
        }
        return false;
    },
});
const easterCache = new Map();
function computeEaster(Y) {
    const C = Math.floor(Y / 100);
    const N = Y - 19 * Math.floor(Y / 19);
    const K = Math.floor((C - 17) / 25);
    let I = C - Math.floor(C / 4) - Math.floor((C - K) / 3) + 19 * N + 15;
    I = I - 30 * Math.floor(I / 30);
    I = I - Math.floor(I / 28) * (1 - Math.floor(I / 28) * Math.floor(29 / (I + 1)) * Math.floor((21 - N) / 11));
    let J = Y + Math.floor(Y / 4) + I + 2 - C + Math.floor(C / 4);
    J = J - 7 * Math.floor(J / 7);
    const L = I - J;
    const M = 3 + Math.floor((L + 40) / 44);
    const D = L + 28 - 31 * Math.floor(M / 4);
    return { year: Y, month: M - 1, day: D };
}
function computeEasterAlt(year) {
    const a = ((year / 100) | 0) * 1483 - ((year / 400) | 0) * 2225 + 2613;
    const b = ((((year % 19) * 3510 + ((a / 25) | 0) * 319) / 330) | 0) % 29;
    const c = 148 - b - (((((year * 5) / 4) | 0) + a - b) % 7);
    return { year: year, month: ((c / 31) | 0) - 1, day: (c % 31) + 1 };
}
moment_business_days_1.default.fn.easter = function (year) {
    if (!year)
        year = this.year();
    if (year < MIN_YEAR || year > MAX_YEAR) {
        return undefined;
    }
    let aEaster = undefined;
    if (year >= MIN_YEAR_CACHED && year <= MAX_YEAR_CACHED) {
        aEaster = easterCache.get(year);
    }
    if (aEaster === undefined) {
        aEaster = moment_business_days_1.default(computeEaster(year));
        if (year >= MIN_YEAR_CACHED && year <= MAX_YEAR_CACHED) {
            easterCache.set(year, aEaster);
        }
    }
    return moment_business_days_1.default(aEaster);
};
moment_business_days_1.default.fn.addHoliday = function (dateDDMM) {
    const locale = this.localeData();
    locale._holidays.push(dateDDMM);
};
module.exports = moment_business_days_1.default;