date-fns/_lib/getUTCDayOfYear/index.js

Modern JavaScript date utility library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = getUTCDayOfYear;

var _index = _interopRequireDefault(require("../../toDate/index.js"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var MILLISECONDS_IN_DAY = 86400000; // This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376

function getUTCDayOfYear(dirtyDate) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present');
  }

  var date = (0, _index.default)(dirtyDate);
  var timestamp = date.getTime();
  date.setUTCMonth(0, 1);
  date.setUTCHours(0, 0, 0, 0);
  var startOfYearTimestamp = date.getTime();
  var difference = timestamp - startOfYearTimestamp;
  return Math.floor(difference / MILLISECONDS_IN_DAY) + 1;
}

module.exports = exports.default;