public/assets/moment-2-13-0/src/lib/units/week-year.js

   1 import { addFormatToken } from '../format/format';
   2 import { addUnitAlias } from './aliases';
   3 import { addRegexToken, match1to2, match1to4, match1to6, match2, match4, match6, matchSigned } from '../parse/regex';
   4 import { addWeekParseToken } from '../parse/token';
   5 import { weekOfYear, weeksInYear, dayOfYearFromWeeks } from './week-calendar-utils';
   6 import toInt from '../utils/to-int';
   7 import { hooks } from '../utils/hooks';
   8 import { createLocal } from '../create/local';
   9 import { createUTCDate } from '../create/date-from-array';
  10
  11 // FORMATTING
  12
  13 addFormatToken(0, ['gg', 2], 0, function () {
  14     return this.weekYear() % 100;
  15 });
  16
  17 addFormatToken(0, ['GG', 2], 0, function () {
  18     return this.isoWeekYear() % 100;
  19 });
  20
  21 function addWeekYearFormatToken (token, getter) {
  22     addFormatToken(0, [token, token.length], 0, getter);
  23 }
  24
  25 addWeekYearFormatToken('gggg',     'weekYear');
  26 addWeekYearFormatToken('ggggg',    'weekYear');
  27 addWeekYearFormatToken('GGGG',  'isoWeekYear');
  28 addWeekYearFormatToken('GGGGG', 'isoWeekYear');
  29
  30 // ALIASES
  31
  32 addUnitAlias('weekYear', 'gg');
  33 addUnitAlias('isoWeekYear', 'GG');
  34
  35 // PARSING
  36
  37 addRegexToken('G',      matchSigned);
  38 addRegexToken('g',      matchSigned);
  39 addRegexToken('GG',     match1to2, match2);
  40 addRegexToken('gg',     match1to2, match2);
  41 addRegexToken('GGGG',   match1to4, match4);
  42 addRegexToken('gggg',   match1to4, match4);
  43 addRegexToken('GGGGG',  match1to6, match6);
  44 addRegexToken('ggggg',  match1to6, match6);
  45
  46 addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
  47     week[token.substr(0, 2)] = toInt(input);
  48 });
  49
  50 addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
  51     week[token] = hooks.parseTwoDigitYear(input);
  52 });
  53
  54 // MOMENTS
  55
  56 export function getSetWeekYear (input) {
  57     return getSetWeekYearHelper.call(this,
  58             input,
  59             this.week(),
  60             this.weekday(),
  61             this.localeData()._week.dow,
  62             this.localeData()._week.doy);
  63 }
  64
  65 export function getSetISOWeekYear (input) {
  66     return getSetWeekYearHelper.call(this,
  67             input, this.isoWeek(), this.isoWeekday(), 1, 4);
  68 }
  69
  70 export function getISOWeeksInYear () {
  71     return weeksInYear(this.year(), 1, 4);
  72 }
  73
  74 export function getWeeksInYear () {
  75     var weekInfo = this.localeData()._week;
  76     return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
  77 }
  78
  79 function getSetWeekYearHelper(input, week, weekday, dow, doy) {
  80     var weeksTarget;
  81     if (input == null) {
  82         return weekOfYear(this, dow, doy).year;
  83     } else {
  84         weeksTarget = weeksInYear(input, dow, doy);
  85         if (week > weeksTarget) {
  86             week = weeksTarget;
  87         }
  88         return setWeekAll.call(this, input, week, weekday, dow, doy);
  89     }
  90 }
  91
  92 function setWeekAll(weekYear, week, weekday, dow, doy) {
  93     var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
  94         date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
  95
  96     this.year(date.getUTCFullYear());
  97     this.month(date.getUTCMonth());
  98     this.date(date.getUTCDate());
  99     return this;
 100 }