{"ast":null,"code":"import { millisecondsInHour, millisecondsInMinute, millisecondsInSecond } from \"../../constants.mjs\";\nimport { numericPatterns } from \"./constants.mjs\";\nexport function mapValue(parseFnResult, mapFn) {\n  if (!parseFnResult) {\n    return parseFnResult;\n  }\n  return {\n    value: mapFn(parseFnResult.value),\n    rest: parseFnResult.rest\n  };\n}\nexport function parseNumericPattern(pattern, dateString) {\n  const matchResult = dateString.match(pattern);\n  if (!matchResult) {\n    return null;\n  }\n  return {\n    value: parseInt(matchResult[0], 10),\n    rest: dateString.slice(matchResult[0].length)\n  };\n}\nexport function parseTimezonePattern(pattern, dateString) {\n  const matchResult = dateString.match(pattern);\n  if (!matchResult) {\n    return null;\n  }\n\n  // Input is 'Z'\n  if (matchResult[0] === \"Z\") {\n    return {\n      value: 0,\n      rest: dateString.slice(1)\n    };\n  }\n  const sign = matchResult[1] === \"+\" ? 1 : -1;\n  const hours = matchResult[2] ? parseInt(matchResult[2], 10) : 0;\n  const minutes = matchResult[3] ? parseInt(matchResult[3], 10) : 0;\n  const seconds = matchResult[5] ? parseInt(matchResult[5], 10) : 0;\n  return {\n    value: sign * (hours * millisecondsInHour + minutes * millisecondsInMinute + seconds * millisecondsInSecond),\n    rest: dateString.slice(matchResult[0].length)\n  };\n}\nexport function parseAnyDigitsSigned(dateString) {\n  return parseNumericPattern(numericPatterns.anyDigitsSigned, dateString);\n}\nexport function parseNDigits(n, dateString) {\n  switch (n) {\n    case 1:\n      return parseNumericPattern(numericPatterns.singleDigit, dateString);\n    case 2:\n      return parseNumericPattern(numericPatterns.twoDigits, dateString);\n    case 3:\n      return parseNumericPattern(numericPatterns.threeDigits, dateString);\n    case 4:\n      return parseNumericPattern(numericPatterns.fourDigits, dateString);\n    default:\n      return parseNumericPattern(new RegExp(\"^\\\\d{1,\" + n + \"}\"), dateString);\n  }\n}\nexport function parseNDigitsSigned(n, dateString) {\n  switch (n) {\n    case 1:\n      return parseNumericPattern(numericPatterns.singleDigitSigned, dateString);\n    case 2:\n      return parseNumericPattern(numericPatterns.twoDigitsSigned, dateString);\n    case 3:\n      return parseNumericPattern(numericPatterns.threeDigitsSigned, dateString);\n    case 4:\n      return parseNumericPattern(numericPatterns.fourDigitsSigned, dateString);\n    default:\n      return parseNumericPattern(new RegExp(\"^-?\\\\d{1,\" + n + \"}\"), dateString);\n  }\n}\nexport function dayPeriodEnumToHours(dayPeriod) {\n  switch (dayPeriod) {\n    case \"morning\":\n      return 4;\n    case \"evening\":\n      return 17;\n    case \"pm\":\n    case \"noon\":\n    case \"afternoon\":\n      return 12;\n    case \"am\":\n    case \"midnight\":\n    case \"night\":\n    default:\n      return 0;\n  }\n}\nexport function normalizeTwoDigitYear(twoDigitYear, currentYear) {\n  const isCommonEra = currentYear > 0;\n  // Absolute number of the current year:\n  // 1 -> 1 AC\n  // 0 -> 1 BC\n  // -1 -> 2 BC\n  const absCurrentYear = isCommonEra ? currentYear : 1 - currentYear;\n  let result;\n  if (absCurrentYear <= 50) {\n    result = twoDigitYear || 100;\n  } else {\n    const rangeEnd = absCurrentYear + 50;\n    const rangeEndCentury = Math.trunc(rangeEnd / 100) * 100;\n    const isPreviousCentury = twoDigitYear >= rangeEnd % 100;\n    result = twoDigitYear + rangeEndCentury - (isPreviousCentury ? 100 : 0);\n  }\n  return isCommonEra ? result : 1 - result;\n}\nexport function isLeapYearIndex(year) {\n  return year % 400 === 0 || year % 4 === 0 && year % 100 !== 0;\n}","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}