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import toDate from "../../toDate/index.js";
import startOfUTCISOWeek from "../startOfUTCISOWeek/index.js";
import startOfUTCISOWeekYear from "../startOfUTCISOWeekYear/index.js";
import requiredArgs from "../requiredArgs/index.js";
var MILLISECONDS_IN_WEEK = 604800000;
export default function getUTCISOWeek(dirtyDate) {
requiredArgs(1, arguments);
var date = toDate(dirtyDate);
var diff = startOfUTCISOWeek(date).getTime() - startOfUTCISOWeekYear(date).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;
}
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