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14 lines
624 B
14 lines
624 B
import toInteger from "../toInteger/index.js";
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import toDate from "../../toDate/index.js";
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import getUTCISOWeek from "../getUTCISOWeek/index.js";
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import requiredArgs from "../requiredArgs/index.js"; // This function will be a part of public API when UTC function will be implemented.
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// See issue: https://github.com/date-fns/date-fns/issues/376
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export default function setUTCISOWeek(dirtyDate, dirtyISOWeek) {
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requiredArgs(2, arguments);
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var date = toDate(dirtyDate);
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var isoWeek = toInteger(dirtyISOWeek);
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var diff = getUTCISOWeek(date) - isoWeek;
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date.setUTCDate(date.getUTCDate() - diff * 7);
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return date;
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} |