47 lines
979 B
JavaScript
47 lines
979 B
JavaScript
import { setISOWeek } from "../../../setISOWeek.mjs";
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import { startOfISOWeek } from "../../../startOfISOWeek.mjs";
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import { numericPatterns } from "../constants.mjs";
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import { Parser } from "../Parser.mjs";
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import { parseNDigits, parseNumericPattern } from "../utils.mjs";
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// ISO week of year
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export class ISOWeekParser extends Parser {
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priority = 100;
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parse(dateString, token, match) {
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switch (token) {
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case "I":
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return parseNumericPattern(numericPatterns.week, dateString);
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case "Io":
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return match.ordinalNumber(dateString, { unit: "week" });
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default:
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return parseNDigits(token.length, dateString);
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}
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}
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validate(_date, value) {
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return value >= 1 && value <= 53;
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}
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set(date, _flags, value) {
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return startOfISOWeek(setISOWeek(date, value));
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}
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incompatibleTokens = [
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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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