{"ast":null,"code":"import { millisecondsInHour, millisecondsInMinute } from \"./constants.mjs\";\n\n/**\n * The {@link parseISO} function options.\n */\n\n/**\n * @name parseISO\n * @category Common Helpers\n * @summary Parse ISO string\n *\n * @description\n * Parse the given string in ISO 8601 format and return an instance of Date.\n *\n * Function accepts complete ISO 8601 formats as well as partial implementations.\n * ISO 8601: http://en.wikipedia.org/wiki/ISO_8601\n *\n * If the argument isn't a string, the function cannot parse the string or\n * the values are invalid, it returns Invalid Date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n *\n * @param argument - The value to convert\n * @param options - An object with options\n *\n * @returns The parsed date in the local time zone\n *\n * @example\n * // Convert string '2014-02-11T11:30:30' to date:\n * const result = parseISO('2014-02-11T11:30:30')\n * //=> Tue Feb 11 2014 11:30:30\n *\n * @example\n * // Convert string '+02014101' to date,\n * // if the additional number of digits in the extended year format is 1:\n * const result = parseISO('+02014101', { additionalDigits: 1 })\n * //=> Fri Apr 11 2014 00:00:00\n */\nexport function parseISO(argument, options) {\n  const additionalDigits = options?.additionalDigits ?? 2;\n  const dateStrings = splitDateString(argument);\n  let date;\n  if (dateStrings.date) {\n    const parseYearResult = parseYear(dateStrings.date, additionalDigits);\n    date = parseDate(parseYearResult.restDateString, parseYearResult.year);\n  }\n  if (!date || isNaN(date.getTime())) {\n    return new Date(NaN);\n  }\n  const timestamp = date.getTime();\n  let time = 0;\n  let offset;\n  if (dateStrings.time) {\n    time = parseTime(dateStrings.time);\n    if (isNaN(time)) {\n      return new Date(NaN);\n    }\n  }\n  if (dateStrings.timezone) {\n    offset = parseTimezone(dateStrings.timezone);\n    if (isNaN(offset)) {\n      return new Date(NaN);\n    }\n  } else {\n    const dirtyDate = new Date(timestamp + time);\n    // JS parsed string assuming it's in UTC timezone\n    // but we need it to be parsed in our timezone\n    // so we use utc values to build date in our timezone.\n    // Year values from 0 to 99 map to the years 1900 to 1999\n    // so set year explicitly with setFullYear.\n    const result = new Date(0);\n    result.setFullYear(dirtyDate.getUTCFullYear(), dirtyDate.getUTCMonth(), dirtyDate.getUTCDate());\n    result.setHours(dirtyDate.getUTCHours(), dirtyDate.getUTCMinutes(), dirtyDate.getUTCSeconds(), dirtyDate.getUTCMilliseconds());\n    return result;\n  }\n  return new Date(timestamp + time + offset);\n}\nconst patterns = {\n  dateTimeDelimiter: /[T ]/,\n  timeZoneDelimiter: /[Z ]/i,\n  timezone: /([Z+-].*)$/\n};\nconst dateRegex = /^-?(?:(\\d{3})|(\\d{2})(?:-?(\\d{2}))?|W(\\d{2})(?:-?(\\d{1}))?|)$/;\nconst timeRegex = /^(\\d{2}(?:[.,]\\d*)?)(?::?(\\d{2}(?:[.,]\\d*)?))?(?::?(\\d{2}(?:[.,]\\d*)?))?$/;\nconst timezoneRegex = /^([+-])(\\d{2})(?::?(\\d{2}))?$/;\nfunction splitDateString(dateString) {\n  const dateStrings = {};\n  const array = dateString.split(patterns.dateTimeDelimiter);\n  let timeString;\n\n  // The regex match should only return at maximum two array elements.\n  // [date], [time], or [date, time].\n  if (array.length > 2) {\n    return dateStrings;\n  }\n  if (/:/.test(array[0])) {\n    timeString = array[0];\n  } else {\n    dateStrings.date = array[0];\n    timeString = array[1];\n    if (patterns.timeZoneDelimiter.test(dateStrings.date)) {\n      dateStrings.date = dateString.split(patterns.timeZoneDelimiter)[0];\n      timeString = dateString.substr(dateStrings.date.length, dateString.length);\n    }\n  }\n  if (timeString) {\n    const token = patterns.timezone.exec(timeString);\n    if (token) {\n      dateStrings.time = timeString.replace(token[1], \"\");\n      dateStrings.timezone = token[1];\n    } else {\n      dateStrings.time = timeString;\n    }\n  }\n  return dateStrings;\n}\nfunction parseYear(dateString, additionalDigits) {\n  const regex = new RegExp(\"^(?:(\\\\d{4}|[+-]\\\\d{\" + (4 + additionalDigits) + \"})|(\\\\d{2}|[+-]\\\\d{\" + (2 + additionalDigits) + \"})$)\");\n  const captures = dateString.match(regex);\n  // Invalid ISO-formatted year\n  if (!captures) return {\n    year: NaN,\n    restDateString: \"\"\n  };\n  const year = captures[1] ? parseInt(captures[1]) : null;\n  const century = captures[2] ? parseInt(captures[2]) : null;\n\n  // either year or century is null, not both\n  return {\n    year: century === null ? year : century * 100,\n    restDateString: dateString.slice((captures[1] || captures[2]).length)\n  };\n}\nfunction parseDate(dateString, year) {\n  // Invalid ISO-formatted year\n  if (year === null) return new Date(NaN);\n  const captures = dateString.match(dateRegex);\n  // Invalid ISO-formatted string\n  if (!captures) return new Date(NaN);\n  const isWeekDate = !!captures[4];\n  const dayOfYear = parseDateUnit(captures[1]);\n  const month = parseDateUnit(captures[2]) - 1;\n  const day = parseDateUnit(captures[3]);\n  const week = parseDateUnit(captures[4]);\n  const dayOfWeek = parseDateUnit(captures[5]) - 1;\n  if (isWeekDate) {\n    if (!validateWeekDate(year, week, dayOfWeek)) {\n      return new Date(NaN);\n    }\n    return dayOfISOWeekYear(year, week, dayOfWeek);\n  } else {\n    const date = new Date(0);\n    if (!validateDate(year, month, day) || !validateDayOfYearDate(year, dayOfYear)) {\n      return new Date(NaN);\n    }\n    date.setUTCFullYear(year, month, Math.max(dayOfYear, day));\n    return date;\n  }\n}\nfunction parseDateUnit(value) {\n  return value ? parseInt(value) : 1;\n}\nfunction parseTime(timeString) {\n  const captures = timeString.match(timeRegex);\n  if (!captures) return NaN; // Invalid ISO-formatted time\n\n  const hours = parseTimeUnit(captures[1]);\n  const minutes = parseTimeUnit(captures[2]);\n  const seconds = parseTimeUnit(captures[3]);\n  if (!validateTime(hours, minutes, seconds)) {\n    return NaN;\n  }\n  return hours * millisecondsInHour + minutes * millisecondsInMinute + seconds * 1000;\n}\nfunction parseTimeUnit(value) {\n  return value && parseFloat(value.replace(\",\", \".\")) || 0;\n}\nfunction parseTimezone(timezoneString) {\n  if (timezoneString === \"Z\") return 0;\n  const captures = timezoneString.match(timezoneRegex);\n  if (!captures) return 0;\n  const sign = captures[1] === \"+\" ? -1 : 1;\n  const hours = parseInt(captures[2]);\n  const minutes = captures[3] && parseInt(captures[3]) || 0;\n  if (!validateTimezone(hours, minutes)) {\n    return NaN;\n  }\n  return sign * (hours * millisecondsInHour + minutes * millisecondsInMinute);\n}\nfunction dayOfISOWeekYear(isoWeekYear, week, day) {\n  const date = new Date(0);\n  date.setUTCFullYear(isoWeekYear, 0, 4);\n  const fourthOfJanuaryDay = date.getUTCDay() || 7;\n  const diff = (week - 1) * 7 + day + 1 - fourthOfJanuaryDay;\n  date.setUTCDate(date.getUTCDate() + diff);\n  return date;\n}\n\n// Validation functions\n\n// February is null to handle the leap year (using ||)\nconst daysInMonths = [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\nfunction isLeapYearIndex(year) {\n  return year % 400 === 0 || year % 4 === 0 && year % 100 !== 0;\n}\nfunction validateDate(year, month, date) {\n  return month >= 0 && month <= 11 && date >= 1 && date <= (daysInMonths[month] || (isLeapYearIndex(year) ? 29 : 28));\n}\nfunction validateDayOfYearDate(year, dayOfYear) {\n  return dayOfYear >= 1 && dayOfYear <= (isLeapYearIndex(year) ? 366 : 365);\n}\nfunction validateWeekDate(_year, week, day) {\n  return week >= 1 && week <= 53 && day >= 0 && day <= 6;\n}\nfunction validateTime(hours, minutes, seconds) {\n  if (hours === 24) {\n    return minutes === 0 && seconds === 0;\n  }\n  return seconds >= 0 && seconds < 60 && minutes >= 0 && minutes < 60 && hours >= 0 && hours < 25;\n}\nfunction validateTimezone(_hours, minutes) {\n  return minutes >= 0 && minutes <= 59;\n}\n\n// Fallback for modularized imports:\nexport default parseISO;","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}