Sha256: ac6ac5372bc616a82756f3dcf904f9e6ef62a173a0fe37f70b3ac862353474c5
Contents?: true
Size: 502 Bytes
Versions: 69
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Stored size: 502 Bytes
Contents
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;
Version data entries
69 entries across 69 versions & 2 rubygems