node_modules/moment/src/lib/units/day-of-year.js


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import { addFormatToken } from '../format/format';
import { addRegexToken, match3, match1to3 } from '../parse/regex';
import { addParseToken } from '../parse/token';
import toInt from '../utils/to-int';

// FORMATTING

addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

// 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');
}