Backend half

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Donat committed 2025-07-11 19:56:28 +02:00
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import getUTCISOWeekYear from "../getUTCISOWeekYear/index.js";
import startOfUTCISOWeek from "../startOfUTCISOWeek/index.js";
import requiredArgs from "../requiredArgs/index.js";
export default function startOfUTCISOWeekYear(dirtyDate) {
requiredArgs(1, arguments);
var year = getUTCISOWeekYear(dirtyDate);
var fourthOfJanuary = new Date(0);
fourthOfJanuary.setUTCFullYear(year, 0, 4);
fourthOfJanuary.setUTCHours(0, 0, 0, 0);
var date = startOfUTCISOWeek(fourthOfJanuary);
return date;
}