jobiqo-cl/lib/node_modules/date-fns/esm/_lib/getUTCWeekYear/index.js

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'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var index = require('../../toDate/index.js');
var index$1 = require('../toInteger/index.js');
var index$2 = require('../startOfUTCWeek/index.js');

// See issue: https://github.com/date-fns/date-fns/issues/376

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

  var date = index.default(dirtyDate, dirtyOptions);
  var year = date.getUTCFullYear();
  var options = dirtyOptions || {};
  var locale = options.locale;
  var localeFirstWeekContainsDate = locale && locale.options && locale.options.firstWeekContainsDate;
  var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : index$1.default(localeFirstWeekContainsDate);
  var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : index$1.default(options.firstWeekContainsDate); // Test if weekStartsOn is between 1 and 7 _and_ is not NaN

  if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {
    throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively');
  }

  var firstWeekOfNextYear = new Date(0);
  firstWeekOfNextYear.setUTCFullYear(year + 1, 0, firstWeekContainsDate);
  firstWeekOfNextYear.setUTCHours(0, 0, 0, 0);
  var startOfNextYear = index$2.default(firstWeekOfNextYear, dirtyOptions);
  var firstWeekOfThisYear = new Date(0);
  firstWeekOfThisYear.setUTCFullYear(year, 0, firstWeekContainsDate);
  firstWeekOfThisYear.setUTCHours(0, 0, 0, 0);
  var startOfThisYear = index$2.default(firstWeekOfThisYear, dirtyOptions);

  if (date.getTime() >= startOfNextYear.getTime()) {
    return year + 1;
  } else if (date.getTime() >= startOfThisYear.getTime()) {
    return year;
  } else {
    return year - 1;
  }
}

exports.default = getUTCWeekYear;