timezone-codes/dist/cli.js

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

#!/usr/bin/env node
'use strict';

var fs = require('fs');
var path = require('path');
var url = require('url');

var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
var __dirname$1 = url.fileURLToPath(new URL(".", (typeof document === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('cli.js', document.baseURI).href))));
var timezonesData = JSON.parse(
  fs.readFileSync(path.join(__dirname$1, "data", "timezones.json"), "utf-8")
);
var timezones = Object.freeze(timezonesData.timezones);
function getTimezoneByName(name) {
  if (!name) return void 0;
  return timezones.find((tz) => tz.name === name);
}
function isValidTimezoneName(name) {
  if (!name) return false;
  return timezones.some((tz) => tz.name === name);
}
async function getCurrentTimezoneDetails(name) {
  if (!name || !isValidTimezoneName(name)) return void 0;
  try {
    const date = /* @__PURE__ */ new Date();
    const formatter = new Intl.DateTimeFormat("en-US", {
      timeZone: name,
      timeZoneName: "shortOffset"
    });
    const parts = formatter.formatToParts(date);
    const offsetPart = parts.find((part) => part.type === "timeZoneName");
    const offset = offsetPart?.value || "";
    const shortFormatter = new Intl.DateTimeFormat("en-US", {
      timeZone: name,
      timeZoneName: "short"
    });
    const shortParts = shortFormatter.formatToParts(date);
    const abbreviationPart = shortParts.find((part) => part.type === "timeZoneName");
    const abbreviation = abbreviationPart?.value || "";
    return {
      currentUtcOffset: offset,
      currentAbbreviation: abbreviation
    };
  } catch (error) {
    return void 0;
  }
}

// src/cli.ts
async function main() {
  const args = process.argv.slice(2);
  if (args.length === 0) {
    console.log("Usage: npx timezone-codes <timezone-name>");
    console.log("Example: npx timezone-codes Asia/Tokyo");
    process.exit(0);
  }
  const timezoneName = args[0];
  const timezone = getTimezoneByName(timezoneName);
  if (!timezone) {
    console.error(`Error: "${timezoneName}" is not a valid IANA timezone name.`);
    process.exit(1);
  }
  console.log(`Timezone: ${timezone.name}`);
  console.log(`Region: ${timezone.region}`);
  console.log(`Standard UTC Offset: ${timezone.standardUtcOffset}`);
  console.log(`Standard Abbreviation: ${timezone.standardAbbreviation}`);
  try {
    const currentDetails = await getCurrentTimezoneDetails(timezoneName);
    if (currentDetails) {
      console.log(`Current UTC Offset: ${currentDetails.currentUtcOffset}`);
      console.log(`Current Abbreviation: ${currentDetails.currentAbbreviation}`);
    }
  } catch (error) {
    console.error("Error getting current timezone details:", error);
  }
}
main().catch(console.error);
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