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