ketr.photos/server/lib/pascha.js
James Ketrenos 9926f8a4b1 Use a lookup table for Pascha dates
Signed-off-by: James Ketrenos <james_git@ketrenos.com>
2018-11-25 15:54:44 -08:00

93 lines
2.3 KiB
JavaScript

//! moment-holiday.js locale configuration
//! locale : pascha Related Holidays
//! author : Kodie Grantham : https://github.com/kodie
//(function() {
// var moment = (typeof require !== 'undefined' && require !== null) && !require.amd ? require('moment') : this.moment;
function init(moment) {
// moment.holidays.pascha = {
moment.modifyHolidays.add({
"Lent": {
date: 'pascha-46|pascha-3'
},
/*
"Holy Monday": {
date: 'pascha-6',
keywords_y: ['great', 'monday']
},
"Holy Tuesday": {
date: 'pascha-5',
keywords_y: ['great', 'tuesday']
},
"Holy Wednesday": {
date: 'pascha-4',
keywords_y: ['great', 'wednesday']
},
"Holy Thursday": {
date: 'pascha-3',
keywords_y: ['great', 'thursday']
},
"Holy Friday": {
date: 'pascha-2',
keywords_y: ['great', 'friday']
},
"Holy Saturday": {
date: 'pascha-1',
keywords_y: ['holy', 'saturday']
},
*/
"Pascha Sunday": {
date: 'pascha',
keywords_y: ['pascha'],
keywords: ['sunday']
},
"Bright Week": {
date: 'pascha+1|pascha+6'
},
"Pentecost Sunday": {
date: 'pascha+49',
keywords_y: ['pentecost'],
keywords: ['sunday']
},
//};
});
const orthodoxDates = require("./pascha-dates.js");
var pascha = function(year) {
/* Date lookup table.. */
var date = orthodoxDates[year].split("-");
date[1] -= 1; /* month needs to be zero index */
return moment(date);
}
moment.modifyHolidays.extendParser(function(m, date){
if (~date.indexOf('pascha')) {
var dates = date.split('|');
var ds = [];
for (var i = 0; i < dates.length; i++) {
if (dates[i].substring(0, 6) === 'pascha') {
var e = pascha(m.year());
if (dates[i].charAt(6) === '-') { e.subtract(dates[i].substring(7), 'days'); }
if (dates[i].charAt(6) === '+') { e.add(dates[i].substring(7), 'days'); }
if (dates.length === 1) { return e; }
ds.push(e.format('M/D'));
} else {
ds.push(dates[i]);
}
}
if (ds.length) { return ds.join('|'); }
}
});
console.log("Pascha initialized");
}
module.exports = init;
// if ((typeof module !== 'undefined' && module !== null ? module.exports : void 0) != null) { module.exports = moment; }
//}).call(this);