import { addFormatToken } from '../format/format';
import { addUnitAlias } from './aliases';
import { addUnitPriority } from './priorities';
import { addRegexToken, match1to2, match2 } from '../parse/regex';
import { addWeekParseToken } from '../parse/token';
import toInt from '../utils/to-int';
import { createLocal } from '../create/local';
import { weekOfYear } from './week-calendar-utils';
// FORMATTING
addFormatToken('w', ['ww', 2], 'wo', 'week');
addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
// ALIASES
addUnitAlias('week', 'w');
addUnitAlias('isoWeek', 'W');
// PRIORITIES
addUnitPriority('week', 5);
addUnitPriority('isoWeek', 5);
// PARSING
addRegexToken('w', match1to2);
addRegexToken('ww', match1to2, match2);
addRegexToken('W', match1to2);
addRegexToken('WW', match1to2, match2);
addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
week[token.substr(0, 1)] = toInt(input);
});
// HELPERS
// LOCALES
export function localeWeek (mom) {
return weekOfYear(mom, this._week.dow, this._week.doy).week;
}
export var defaultLocaleWeek = {
dow : 0, // Sunday is the first day of the week.
doy : 6 // The week that contains Jan 1st is the first week of the year.
};
export function localeFirstDayOfWeek () {
return this._week.dow;
}
export function localeFirstDayOfYear () {
return this._week.doy;
}
// MOMENTS
export function getSetWeek (input) {
var week = this.localeData().week(this);
return input == null ? week : this.add((input - week) * 7, 'd');
}
export function getSetISOWeek (input) {
var week = weekOfYear(this, 1, 4).week;
return input == null ? week : this.add((input - week) * 7, 'd');
}
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