123456789101112131415161718192021222324252627 |
- var parse = require('../parse/index.js')
- var startOfYear = require('../start_of_year/index.js')
- var differenceInCalendarDays = require('../difference_in_calendar_days/index.js')
- /**
- * @category Day Helpers
- * @summary Get the day of the year of the given date.
- *
- * @description
- * Get the day of the year of the given date.
- *
- * @param {Date|String|Number} date - the given date
- * @returns {Number} the day of year
- *
- * @example
- * // Which day of the year is 2 July 2014?
- * var result = getDayOfYear(new Date(2014, 6, 2))
- * //=> 183
- */
- function getDayOfYear (dirtyDate) {
- var date = parse(dirtyDate)
- var diff = differenceInCalendarDays(date, startOfYear(date))
- var dayOfYear = diff + 1
- return dayOfYear
- }
- module.exports = getDayOfYear
|