62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
import { numericPatterns } from "../constants.mjs";
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import { Parser } from "../Parser.mjs";
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import {
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isLeapYearIndex,
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parseNDigits,
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parseNumericPattern,
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} from "../utils.mjs";
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const DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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const DAYS_IN_MONTH_LEAP_YEAR = [
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31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31,
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];
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// Day of the month
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export class DateParser extends Parser {
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priority = 90;
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subPriority = 1;
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parse(dateString, token, match) {
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switch (token) {
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case "d":
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return parseNumericPattern(numericPatterns.date, dateString);
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case "do":
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return match.ordinalNumber(dateString, { unit: "date" });
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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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const year = date.getFullYear();
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const isLeapYear = isLeapYearIndex(year);
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const month = date.getMonth();
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if (isLeapYear) {
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return value >= 1 && value <= DAYS_IN_MONTH_LEAP_YEAR[month];
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} else {
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return value >= 1 && value <= DAYS_IN_MONTH[month];
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}
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}
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set(date, _flags, value) {
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date.setDate(value);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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incompatibleTokens = [
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"Y",
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"R",
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"q",
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"Q",
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"w",
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"I",
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"D",
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"i",
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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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