71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
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"use strict";
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exports.YearParser = void 0;
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var _Parser = require("../Parser.js");
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var _utils = require("../utils.js");
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// From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_Patterns
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// | Year | y | yy | yyy | yyyy | yyyyy |
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// |----------|-------|----|-------|-------|-------|
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// | AD 1 | 1 | 01 | 001 | 0001 | 00001 |
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// | AD 12 | 12 | 12 | 012 | 0012 | 00012 |
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// | AD 123 | 123 | 23 | 123 | 0123 | 00123 |
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// | AD 1234 | 1234 | 34 | 1234 | 1234 | 01234 |
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// | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |
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class YearParser extends _Parser.Parser {
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priority = 130;
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incompatibleTokens = ["Y", "R", "u", "w", "I", "i", "e", "c", "t", "T"];
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parse(dateString, token, match) {
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const valueCallback = (year) => ({
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year,
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isTwoDigitYear: token === "yy",
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});
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switch (token) {
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case "y":
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return (0, _utils.mapValue)(
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(0, _utils.parseNDigits)(4, dateString),
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valueCallback,
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);
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case "yo":
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return (0, _utils.mapValue)(
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match.ordinalNumber(dateString, {
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unit: "year",
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}),
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valueCallback,
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);
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default:
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return (0, _utils.mapValue)(
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(0, _utils.parseNDigits)(token.length, dateString),
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valueCallback,
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);
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}
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}
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validate(_date, value) {
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return value.isTwoDigitYear || value.year > 0;
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}
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set(date, flags, value) {
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const currentYear = date.getFullYear();
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if (value.isTwoDigitYear) {
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const normalizedTwoDigitYear = (0, _utils.normalizeTwoDigitYear)(
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value.year,
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currentYear,
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);
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date.setFullYear(normalizedTwoDigitYear, 0, 1);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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const year =
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!("era" in flags) || flags.era === 1 ? value.year : 1 - value.year;
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date.setFullYear(year, 0, 1);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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}
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exports.YearParser = YearParser;
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