recoder-code
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JavaScript
import toDate from "../../toDate/index.js";
import startOfUTCWeek from "../startOfUTCWeek/index.js";
import startOfUTCWeekYear from "../startOfUTCWeekYear/index.js";
import requiredArgs from "../requiredArgs/index.js";
var MILLISECONDS_IN_WEEK = 604800000;
export default function getUTCWeek(dirtyDate, options) {
requiredArgs(1, arguments);
var date = toDate(dirtyDate);
var diff = startOfUTCWeek(date, options).getTime() - startOfUTCWeekYear(date, options).getTime();
// Round the number of days to the nearest integer
// because the number of milliseconds in a week is not constant
// (e.g. it's different in the week of the daylight saving time clock shift)
return Math.round(diff / MILLISECONDS_IN_WEEK) + 1;
}