moment-holidays.js

//## Moment.JS Holiday Plugin for Singapore Public Holidays up until 2016
//
//Usage:
//  Call .holiday() from any moment object. If date is a Singapore Public Holiday, name of the holiday will be returned.
//  Otherwise, return nothing.
//
//  Example:
//    `moment('12/25/2013').holiday()` will return "Christmas Day"
//
//Holidays:
//  You can configure holiday bellow. The 'Y' and 'M' stands for Year and Month respectively,
//  and represents fixed day holidays.
//  The 'W' stands for Week, and represents holidays with date based on week day rules.
//  Example: '10/2/1' Columbus Day (Second monday of october).
//
//License:
//  Portions (c) 2014 [Nicholas Luo](http://nicluo.com)
//  Copyright (c) 2013 [Jr. Hames](http://jrham.es) under [MIT License](http://opensource.org/licenses/MIT)
(function() {
    var moment;

    moment = typeof require !== "undefined" && require !== null ? require("moment") : this.moment;

    //Holiday definitions
    var _holidays = {
    'Y': {
            //Year, Month, Day
            '14/01/31': "Chinese New Year",
            '14/02/01': "Chinese New Year",
            '14/04/18': "Good Friday",
            '14/05/13': "Vesak Day",
            '14/07/28': "Hari Raya Puasa",
            '14/10/05': "Hari Raya Haji",
            '14/10/06': "Hari Raya Haji Replacement",
            '14/10/22': "Deepavali",
            '15/02/19': "Chinese New Year",
            '15/02/20': "Chinese New Year",
            '15/04/03': "Good Friday",
            '15/06/01': "Vesak Day",
            '15/07/17': "Hari Raya Puasa",
            '15/07/10': "National Day (Make Up)",
            '15/09/24': "Hari Raya Haji",
            '15/11/10': "Deepavali",
            '16/02/08': "Chinese New Year",
            '16/02/09': "Chinese New Year",
            '16/03/25': "Good Friday",
            '16/05/02': "Labour Day (Make Up)",
            '16/05/21': "Vesak Day",
            '16/07/06': "Hari Raya Puasa",
            '16/09/12': "Hari Raya Haji",
            '16/10/29': "Deepavali",
            '16/12/26': "Christmas Day (Make Up)"
        },
    'M': {
            //Month, Day
            '01/01': "New Year's Day",
            '05/01': "Labour Day",
            '07/09': "National Day",
            '12/25': "Christmas Day"
        },
    'W': {
            //Month, Week of Month, Day of Week
            // '1/3/1': "Martin Luther King Jr. Day",
            // '2/3/1': "Washington's Birthday",
            // '5/5/1': "Memorial Day",
            // '9/1/1': "Labor Day",
            // '10/2/1': "Columbus Day",
            // '11/4/4': "Thanksgiving Day"
        }
    };

    moment.fn.holiday = function() {
        var diff = 1+ (0 | (this._d.getDate() - 1) / 7),
            memorial = (this._d.getDay() === 1 && (this._d.getDate() + 7) > 30) ? "5" : null;

        var year_based =  _holidays['Y'][this.format('YY/MM/DD')];
        var month_based = _holidays['M'][this.format('MM/DD')];
        var week_day_based = _holidays['W'][this.format('M/'+ (memorial || diff) +'/d')];
        return (year_based || month_based || week_day_based);
    };

    if ((typeof module !== "undefined" && module !== null ? module.exports : void 0) != null) {
        module.exports = moment;
    }

}(this));