ISOWeekParser.mjs
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import { setISOWeek } from "../../../setISOWeek.mjs";
import { startOfISOWeek } from "../../../startOfISOWeek.mjs";
import { numericPatterns } from "../constants.mjs";
import { Parser } from "../Parser.mjs";
import { parseNDigits, parseNumericPattern } from "../utils.mjs";
// ISO week of year
export class ISOWeekParser extends Parser {
priority = 100;
parse(dateString, token, match) {
switch (token) {
case "I":
return parseNumericPattern(numericPatterns.week, dateString);
case "Io":
return match.ordinalNumber(dateString, { unit: "week" });
default:
return parseNDigits(token.length, dateString);
}
}
validate(_date, value) {
return value >= 1 && value <= 53;
}
set(date, _flags, value) {
return startOfISOWeek(setISOWeek(date, value));
}
incompatibleTokens = [
"y",
"Y",
"u",
"q",
"Q",
"M",
"L",
"w",
"d",
"D",
"e",
"c",
"t",
"T",
];
}