Current File : /var/www/html/node_modules/date-fns/esm/_lib/startOfUTCWeekYear/index.js
import getUTCWeekYear from "../getUTCWeekYear/index.js";
import requiredArgs from "../requiredArgs/index.js";
import startOfUTCWeek from "../startOfUTCWeek/index.js";
import toInteger from "../toInteger/index.js"; // 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
export default function startOfUTCWeekYear(dirtyDate, dirtyOptions) {
requiredArgs(1, arguments);
var options = dirtyOptions || {};
var locale = options.locale;
var localeFirstWeekContainsDate = locale && locale.options && locale.options.firstWeekContainsDate;
var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);
var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate);
var year = getUTCWeekYear(dirtyDate, dirtyOptions);
var firstWeek = new Date(0);
firstWeek.setUTCFullYear(year, 0, firstWeekContainsDate);
firstWeek.setUTCHours(0, 0, 0, 0);
var date = startOfUTCWeek(firstWeek, dirtyOptions);
return date;
}
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