timezone-codes/dist/index.mjs.map

[DEPRECATED] A comprehensive, typed dataset of IANA timezone identifiers with metadata.

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The IANA timezone name to look up\n * @returns The timezone object if found, undefined otherwise\n */\nexport function getTimezoneByName(name: IANATimezoneName | string): Timezone | undefined {\n  if (!name) return undefined;\n  return timezones.find((tz) => tz.name === name);\n}\n\n/**\n * Gets all timezones in a specific region.\n * @param region - The region to filter by (case-insensitive)\n * @returns Array of timezones in the specified region\n */\nexport function getTimezonesByRegion(region: TimezoneRegion | string): Timezone[] {\n  if (!region) return [];\n  const normalizedRegion = region.toLowerCase();\n  return timezones.filter((tz) => tz.region.toLowerCase() === normalizedRegion);\n}\n\n/**\n * Gets the standard UTC offset for a timezone.\n * @param name - The IANA timezone name\n * @returns The standard UTC offset if found, undefined otherwise\n */\nexport function getStandardUtcOffset(name: IANATimezoneName | string): UTCOffset | undefined {\n  if (!name) return undefined;\n  return getTimezoneByName(name)?.standardUtcOffset;\n}\n\n/**\n * Checks if a string is a valid IANA timezone name.\n * @param name - The string to check\n * @returns true if the string is a valid IANA timezone name\n */\nexport function isValidTimezoneName(name: string): boolean {\n  if (!name) return false;\n  return timezones.some((tz) => tz.name === name);\n}\n\n/**\n * Gets the current timezone details including DST information.\n * @param name - The IANA timezone name\n * @returns Promise resolving to current timezone details or undefined if not found\n */\nexport async function getCurrentTimezoneDetails(\n  name: IANATimezoneName\n): Promise<CurrentTimezoneDetails | undefined> {\n  if (!name || !isValidTimezoneName(name)) return undefined;\n\n  try {\n    const date = new Date();\n    const formatter = new Intl.DateTimeFormat('en-US', {\n      timeZone: name,\n      timeZoneName: 'shortOffset',\n    });\n\n    const parts = formatter.formatToParts(date);\n    const offsetPart = parts.find((part) => part.type === 'timeZoneName');\n    const offset = offsetPart?.value || '';\n\n    const shortFormatter = new Intl.DateTimeFormat('en-US', {\n      timeZone: name,\n      timeZoneName: 'short',\n    });\n\n    const shortParts = shortFormatter.formatToParts(date);\n    const abbreviationPart = shortParts.find((part) => part.type === 'timeZoneName');\n    const abbreviation = abbreviationPart?.value || '';\n\n    return {\n      currentUtcOffset: offset,\n      currentAbbreviation: abbreviation,\n    };\n  } catch (error) {\n    return undefined;\n  }\n}\n"]}