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udia

0.1.1
0.1.3 0.1.2 retired 0.1.1 retired 0.1.0 0.0.1

A web application in pursuit of meaning in life.

Retired package: Complete rewrite, scratch old versions
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udia assets node_modules mout date weekOfTheYear.js
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assets/node_modules/mout/date/weekOfTheYear.js 

var dayOfTheYear = require('./dayOfTheYear');



    /**

     * Return the week of the year based on given firstDayOfWeek

     */

    function weekOfTheYear(date, firstDayOfWeek){

        firstDayOfWeek = firstDayOfWeek == null? 0 : firstDayOfWeek;

        var doy = dayOfTheYear(date);

        var dow = (7 + date.getDay() - firstDayOfWeek) % 7;

        var relativeWeekDay = 6 - firstDayOfWeek - dow;

        return Math.floor((doy + relativeWeekDay) / 7);

    }



    module.exports = weekOfTheYear;