43 lines
864 B
JavaScript
43 lines
864 B
JavaScript
import { startOfISOWeek } from "../../../startOfISOWeek.mjs";
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import { constructFrom } from "../../../constructFrom.mjs";
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import { Parser } from "../Parser.mjs";
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import { parseNDigitsSigned } from "../utils.mjs";
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// ISO week-numbering year
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export class ISOWeekYearParser extends Parser {
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priority = 130;
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parse(dateString, token) {
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if (token === "R") {
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return parseNDigitsSigned(4, dateString);
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}
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return parseNDigitsSigned(token.length, dateString);
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}
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set(date, _flags, value) {
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const firstWeekOfYear = constructFrom(date, 0);
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firstWeekOfYear.setFullYear(value, 0, 4);
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firstWeekOfYear.setHours(0, 0, 0, 0);
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return startOfISOWeek(firstWeekOfYear);
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}
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incompatibleTokens = [
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"G",
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"y",
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"Y",
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"u",
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"Q",
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"q",
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"M",
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"L",
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"w",
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"d",
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"D",
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"e",
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"c",
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"t",
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"T",
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];
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}
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