holidays-nordic
Version:
A small library for checking nordic public holidays
469 lines (440 loc) • 14.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global['Holidays Checker - Nordic'] = factory());
}(this, (function () { 'use strict';
var lang = {
sv: {
'New Year\'s Day': 'Nyårsdagen',
'Epiphany': 'Trettondedag Jul',
'Good Friday': 'Långfredagen',
'Easter Sunday': 'påskdagen',
'Easter Monday': 'Annandag påsk',
'International Workers\' Day': 'Första Maj',
'Ascension Day': 'Kristi himmelsfärds dag',
'Pentecost': 'pingstdagen',
'National Day of Sweden': 'Sveriges nationaldag',
'Midsummer\'s Day': 'Midsommardagen',
'All Saints\' Day': 'Alla helgons dag',
'Christmas Eve': 'julafton',
'Christmas Day': 'Juldagen',
'Second Day of Christmas': 'Annandag Jul',
'New Year\'s Eve': 'nyårsafton'
},
da: {
'New Year\'s Day': 'Nytårsdag',
'Maundy Thursday': 'Skærtorsdag',
'Good Friday': 'Langfredag',
'Easter Sunday': 'Påskedag',
'Easter Monday': 'Anden påskedag',
'General Prayer Day': 'Store bededag',
'Ascension Day': 'Kristi Himmelfartsdag',
'Pentecost': 'Pinsedag',
'Christmas Day': 'Juledag',
'Second Day of Christmas': 'Anden juledag',
'New Year\'s Eve': 'Nytårsaften'
},
no: {
'New Year\'s Day': 'Første nyttårsdag',
'Maundy Thursday': 'Skjærtorsdag',
'Good Friday': 'Langfredag',
'Easter Sunday': 'Første påskedag',
'Easter Monday': 'Andre påskedag',
'International Workers\' Day': 'Første mai',
'Constitution Day': 'Syttende mai or Grunnlovsdagen',
'Ascension Day': 'Kristi himmelfartsdag',
'Pentecost': 'Første pinsedag',
'Whit Monday': 'Andre pinsedag',
'Christmas Day': 'Første juledag',
'Second Day of Christmas': 'Anden juledag',
'New Year\'s Eve': 'Nyttårsaftan'
}
};
var countryLanguage = {
'se': 'sv',
'dk': 'da',
'no': 'no'
//List of easters in past and future. It's complicated to calculate Easters
};var easters = {
'1900': ['15', '04'],
'1901': ['07', '04'],
'1902': ['30', '03'],
'1903': ['12', '04'],
'1904': ['03', '04'],
'1905': ['23', '04'],
'1906': ['15', '04'],
'1907': ['31', '03'],
'1908': ['19', '04'],
'1909': ['11', '04'],
'1910': ['27', '03'],
'1911': ['16', '04'],
'1912': ['07', '04'],
'1913': ['23', '03'],
'1914': ['12', '04'],
'1915': ['04', '04'],
'1916': ['23', '04'],
'1917': ['08', '04'],
'1918': ['31', '03'],
'1919': ['20', '04'],
'1920': ['04', '04'],
'1921': ['27', '03'],
'1922': ['16', '04'],
'1923': ['01', '04'],
'1924': ['20', '04'],
'1925': ['12', '04'],
'1926': ['04', '04'],
'1927': ['17', '04'],
'1928': ['08', '04'],
'1929': ['31', '03'],
'1930': ['20', '04'],
'1931': ['05', '04'],
'1932': ['27', '03'],
'1933': ['16', '04'],
'1934': ['01', '04'],
'1935': ['21', '04'],
'1936': ['12', '04'],
'1937': ['28', '03'],
'1938': ['17', '04'],
'1939': ['09', '04'],
'1940': ['24', '03'],
'1941': ['13', '04'],
'1942': ['05', '04'],
'1943': ['25', '04'],
'1944': ['09', '04'],
'1945': ['01', '04'],
'1946': ['21', '04'],
'1947': ['06', '04'],
'1948': ['28', '03'],
'1949': ['17', '04'],
'1950': ['09', '04'],
'1951': ['25', '03'],
'1952': ['13', '04'],
'1953': ['05', '04'],
'1954': ['18', '04'],
'1955': ['10', '04'],
'1956': ['01', '04'],
'1957': ['21', '04'],
'1958': ['06', '04'],
'1959': ['29', '03'],
'1960': ['17', '04'],
'1961': ['02', '04'],
'1962': ['22', '04'],
'1963': ['14', '04'],
'1964': ['29', '03'],
'1965': ['18', '04'],
'1966': ['10', '04'],
'1967': ['26', '03'],
'1968': ['14', '04'],
'1969': ['06', '04'],
'1970': ['29', '03'],
'1971': ['11', '04'],
'1972': ['02', '04'],
'1973': ['22', '04'],
'1974': ['14', '04'],
'1975': ['30', '03'],
'1976': ['18', '04'],
'1977': ['10', '04'],
'1978': ['26', '03'],
'1979': ['15', '04'],
'1980': ['06', '04'],
'1981': ['19', '04'],
'1982': ['11', '04'],
'1983': ['03', '04'],
'1984': ['22', '04'],
'1985': ['07', '04'],
'1986': ['30', '03'],
'1987': ['19', '04'],
'1988': ['03', '04'],
'1989': ['26', '03'],
'1990': ['15', '04'],
'1991': ['31', '03'],
'1992': ['19', '04'],
'1993': ['11', '04'],
'1994': ['03', '04'],
'1995': ['16', '04'],
'1996': ['07', '04'],
'1997': ['30', '03'],
'1998': ['12', '04'],
'1999': ['04', '04'],
'2000': ['23', '04'],
'2001': ['15', '04'],
'2002': ['31', '03'],
'2003': ['20', '04'],
'2004': ['11', '04'],
'2005': ['27', '03'],
'2006': ['16', '04'],
'2007': ['08', '04'],
'2008': ['23', '03'],
'2009': ['12', '04'],
'2010': ['04', '04'],
'2011': ['24', '04'],
'2012': ['08', '04'],
'2013': ['31', '03'],
'2014': ['20', '04'],
'2015': ['05', '04'],
'2016': ['27', '03'],
'2017': ['16', '04'],
'2018': ['01', '04'],
'2019': ['21', '04'],
'2020': ['12', '04'],
'2021': ['04', '04'],
'2022': ['17', '04'],
'2023': ['09', '04'],
'2024': ['31', '03'],
'2025': ['20', '04'],
'2026': ['05', '04'],
'2027': ['28', '03'],
'2028': ['16', '04'],
'2029': ['01', '04'],
'2030': ['21', '04'],
'2031': ['13', '04'],
'2032': ['28', '03'],
'2033': ['17', '04'],
'2034': ['09', '04'],
'2035': ['25', '03'],
'2036': ['13', '04'],
'2037': ['05', '04'],
'2038': ['25', '04'],
'2039': ['10', '04'],
'2040': ['01', '04'],
'2041': ['21', '04'],
'2042': ['06', '04'],
'2043': ['29', '03'],
'2044': ['17', '04'],
'2045': ['09', '04'],
'2046': ['25', '03'],
'2047': ['14', '04'],
'2048': ['05', '04'],
'2049': ['18', '04'],
'2050': ['10', '04'],
'2051': ['02', '04'],
'2052': ['21', '04'],
'2053': ['06', '04'],
'2054': ['29', '03'],
'2055': ['18', '04'],
'2056': ['02', '04'],
'2057': ['22', '04'],
'2058': ['14', '04'],
'2059': ['30', '03'],
'2060': ['18', '04'],
'2061': ['10', '04'],
'2062': ['26', '03'],
'2063': ['15', '04'],
'2064': ['06', '04'],
'2065': ['29', '03'],
'2066': ['11', '04'],
'2067': ['03', '04'],
'2068': ['22', '04'],
'2069': ['14', '04'],
'2070': ['30', '03'],
'2071': ['19', '04'],
'2072': ['10', '04'],
'2073': ['26', '03'],
'2074': ['15', '04'],
'2075': ['07', '04'],
'2076': ['19', '04'],
'2077': ['11', '04'],
'2078': ['03', '04'],
'2079': ['23', '04'],
'2080': ['07', '04'],
'2081': ['30', '03'],
'2082': ['19', '04'],
'2083': ['04', '04'],
'2084': ['26', '03'],
'2085': ['15', '04'],
'2086': ['31', '03'],
'2087': ['20', '04'],
'2088': ['11', '04'],
'2089': ['03', '04'],
'2090': ['16', '04'],
'2091': ['08', '04'],
'2092': ['30', '03'],
'2093': ['12', '04'],
'2094': ['04', '04'],
'2095': ['24', '04'],
'2096': ['15', '04'],
'2097': ['31', '03'],
'2098': ['20', '04'],
'2099': ['12', '04']
};
var fixedHolidays = {
general: {
'New Year\'s Day': ['01', '01'],
'Christmas Eve': ['24', '12'],
'Christmas Day': ['25', '12'],
'Second Day of Christmas': ['26', '12'],
'New Year\'s Eve': ['31', '12']
},
se: {
'International Workers\' Day': ['01', '05'],
'Epiphany': ['06', '01'],
'National Day of Sweden': ['06', '06']
},
dk: {},
no: {
'International Workers\' Day': ['01', '05'],
'Constitution Day': ['17', '05']
}
};
var moveableHolidays = {
general: {
'Good Friday': function GoodFriday(year) {
return relativeToEaster_weekDay(year, 5, -1);
},
'Easter Sunday': function EasterSunday(year) {
return getEaster(year);
},
'Easter Monday': function EasterMonday(year) {
return relativeToEaster_weekDay(year, 1);
},
'Ascension Day': function AscensionDay(year) {
return relativeToEaster(year, 39);
},
'Pentecost': function Pentecost(year) {
return relativeToEaster(year, 49);
},
'All Saints\' Day': function AllSaintsDay(year) {
return weekdayRelativeTo(year, 6, ['31', '10']);
}
},
se: {
'Midsummer\'s Day': function MidsummerSDay(year) {
return weekdayRelativeTo(year, 6, ['20', '06']);
}
},
dk: {
'Maundy Thursday': function MaundyThursday(year) {
return relativeToEaster_weekDay(year, 4, -1);
},
'General Prayer Day': function GeneralPrayerDay(year) {
return relativeToEaster_weekDay(year, 5, 1, 4);
}
},
no: {
'Maundy Thursday': function MaundyThursday(year) {
return relativeToEaster_weekDay(year, 4, -1);
},
'Whit Monday': function WhitMonday(year) {
return relativeToEaster(year, 50);
}
}
// Util function
// Get day month year in an array of strings
};var getDayMonthYear = function getDayMonthYear(date) {
var str = date.toISOString();
var year = str.slice(0, 4);
var month = str.slice(5, 7);
var day = str.slice(8, 10);
return [day, month, year];
};
//Convert a raw formatted date to a Date Object
var getDateFromRaw = function getDateFromRaw(year, raw) {
return new Date(year + '-' + raw[1] + '-' + raw[0]);
};
// Combine the general holidays and country specific holidays from a given dict
var combineHolidays = function combineHolidays(dict, country) {
return Object.assign({}, dict['general'], dict[country]);
};
//Get the Date object of certain days past a date
var relativeToDay = function relativeToDay(year, fromRaw, days) {
var res = getDateFromRaw(year, fromRaw);
res.setDate(res.getDate() + days);
return res;
};
//A specific weekday after 'from', on a given year.
// weekday: 0-6 representing the weekday.
// from: an array [day, month] of the reference day. i.e. ['25', '07'] = July the 25th
// dire: direction, 1 or -1.
// nth: nth x-day after 'from'. e.g. "The 4th Friday after Easter"
var weekdayRelativeTo = function weekdayRelativeTo(year, weekday, fromRaw) {
var dire = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
var nth = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
var res = getDateFromRaw(year, fromRaw);
var fromDay = res.getDay();
var datesToGo = (weekday - fromDay + 7 * dire) % 7 + nth * 7;
res.setDate(res.getDate() + datesToGo);
return res;
};
// Get the easter of a given year.
// If returnRaw: use day, month pair: ['16', '04']
// Otherwise: Return Date object
var getEaster = function getEaster(year) {
var returnRaw = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
var easterRaw = easters[year];
if (returnRaw) {
return easterRaw;
}
return getDateFromRaw(year, easterRaw);
};
//certain days after easter
var relativeToEaster = function relativeToEaster(year, days) {
var easterRaw = getEaster(year, true);
return relativeToDay(year, easterRaw, days);
};
//certain weekday before/after easter
var relativeToEaster_weekDay = function relativeToEaster_weekDay(year, day) {
var dire = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
var nth = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
var easterRaw = getEaster(year, true);
return weekdayRelativeTo(year, day, easterRaw, dire, nth);
};
//Check if a given day, month matches the given dict of fixed holidays
// fh: fixed holiday dict.
// day, month: strings representing day and month. i.e. '05', '12'
var checkFixedHoliday = function checkFixedHoliday(fh, day, month) {
for (var i in fh) {
if (!fh.hasOwnProperty(i)) {
continue;
}
var md = fh[i];
if (md[0] === day && md[1] === month) {
return i;
}
}
return false;
};
//Check if a given day, month matches the given dict of movable holidays
// mh: movable holiday dict.
// day, month: strings representing day and month. i.e. '05', '12'
var checkMovableHoliday = function checkMovableHoliday(mh, day, month, year) {
for (var i in mh) {
if (!mh.hasOwnProperty(i)) {
continue;
}
var res = getDayMonthYear(mh[i](year));
if (res[1] === month && res[0] === day) {
return i;
}
}
return false;
};
//Check if a given Date object is a holiday of the given country.
//Return the english name of the holiday if match, false if no match
var isHolidayByCountry = function isHolidayByCountry(dt, country) {
var dmy = getDayMonthYear(dt);
var year = dmy[2];
var month = dmy[1];
var date = dmy[0];
var res = void 0;
var fh = combineHolidays(fixedHolidays, country);
res = checkFixedHoliday(fh, date, month);
if (res) return res;
var mh = combineHolidays(moveableHolidays, country);
res = checkMovableHoliday(mh, date, month, year);
if (res) return res;
return false;
};
//Check if a given Date object is a holiday of the given country.
//Return the name in the country's language of the holiday if match, false if no match
var isHolidayByCountryTranslated = function isHolidayByCountryTranslated(dt, country) {
var holiday = isHolidayByCountry(dt, country);
var res = lang[countryLanguage[country]][holiday];
if (!res) {
return holiday;
} else {
return res;
}
};
return isHolidayByCountryTranslated;
})));
//# sourceMappingURL=holidays-nordic.js.map