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15 lines
646 B
15 lines
646 B
3 years ago
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import toDate from '../../toDate/index.js';
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import requiredArgs from '../requiredArgs/index.js';
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var MILLISECONDS_IN_DAY = 86400000; // This function will be a part of public API when UTC function will be implemented.
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// See issue: https://github.com/date-fns/date-fns/issues/376
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export default function getUTCDayOfYear(dirtyDate) {
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requiredArgs(1, arguments);
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var date = toDate(dirtyDate);
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var timestamp = date.getTime();
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date.setUTCMonth(0, 1);
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date.setUTCHours(0, 0, 0, 0);
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var startOfYearTimestamp = date.getTime();
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var difference = timestamp - startOfYearTimestamp;
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return Math.floor(difference / MILLISECONDS_IN_DAY) + 1;
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}
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