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node_modules/moment/src/lib/units/day-of-year.js 990 Bytes
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  import { addFormatToken } from '../format/format';
  import { addUnitAlias } from './aliases';
  import { addUnitPriority } from './priorities';
  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');
  
  // PRIORITY
  addUnitPriority('dayOfYear', 4);
  
  // PARSING
  
  addRegexToken('DDD',  match1to3);
  addRegexToken('DDDD', match3);
  addParseToken(['DDD', 'DDDD'], function (input, array, config) {
      config._dayOfYear = toInt(input);
  });
  
  // HELPERS
  
  // 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');
  }