game_zhineng_baoliang/node_modules/date-fns/parse/_lib/parsers/YearParser.cjs

"use strict";
exports.YearParser = void 0;
var _Parser = require("../Parser.cjs");

var _utils = require("../utils.cjs");

// From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_Patterns
// | Year     |     y | yy |   yyy |  yyyy | yyyyy |
// |----------|-------|----|-------|-------|-------|
// | AD 1     |     1 | 01 |   001 |  0001 | 00001 |
// | AD 12    |    12 | 12 |   012 |  0012 | 00012 |
// | AD 123   |   123 | 23 |   123 |  0123 | 00123 |
// | AD 1234  |  1234 | 34 |  1234 |  1234 | 01234 |
// | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |
class YearParser extends _Parser.Parser {
  priority = 130;
  incompatibleTokens = ["Y", "R", "u", "w", "I", "i", "e", "c", "t", "T"];

  parse(dateString, token, match) {
    const valueCallback = (year) => ({
      year,
      isTwoDigitYear: token === "yy",
    });

    switch (token) {
      case "y":
        return (0, _utils.mapValue)(
          (0, _utils.parseNDigits)(4, dateString),
          valueCallback,
        );
      case "yo":
        return (0, _utils.mapValue)(
          match.ordinalNumber(dateString, {
            unit: "year",
          }),
          valueCallback,
        );
      default:
        return (0, _utils.mapValue)(
          (0, _utils.parseNDigits)(token.length, dateString),
          valueCallback,
        );
    }
  }

  validate(_date, value) {
    return value.isTwoDigitYear || value.year > 0;
  }

  set(date, flags, value) {
    const currentYear = date.getFullYear();

    if (value.isTwoDigitYear) {
      const normalizedTwoDigitYear = (0, _utils.normalizeTwoDigitYear)(
        value.year,
        currentYear,
      );
      date.setFullYear(normalizedTwoDigitYear, 0, 1);
      date.setHours(0, 0, 0, 0);
      return date;
    }

    const year =
      !("era" in flags) || flags.era === 1 ? value.year : 1 - value.year;
    date.setFullYear(year, 0, 1);
    date.setHours(0, 0, 0, 0);
    return date;
  }
}
exports.YearParser = YearParser;