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Contents
import { addFormatToken } from '../format/format';
import { addUnitAlias } from './aliases';
import { addRegexToken, match3, match1to3 } from '../parse/regex';
import { daysInYear } from './year';
import { createUTCDate } from '../create/date-from-array';
import { addParseToken } from '../parse/token';
import toInt from '../utils/to-int';
// FORMATTING
addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
// ALIASES
addUnitAlias('dayOfYear', 'DDD');
// PARSING
addRegexToken('DDD', match1to3);
addRegexToken('DDDD', match3);
addParseToken(['DDD', 'DDDD'], function (input, array, config) {
config._dayOfYear = toInt(input);
});
// HELPERS
//http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
export function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
var d = createUTCDate(year, 0, 1).getUTCDay();
var daysToAdd;
var dayOfYear;
d = d === 0 ? 7 : d;
weekday = weekday != null ? weekday : firstDayOfWeek;
daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;
return {
year : dayOfYear > 0 ? year : year - 1,
dayOfYear : dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear
};
}
// MOMENTS
export function getSetDayOfYear (input) {
var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
}
Version data entries
9 entries across 9 versions & 3 rubygems