@bidyashish/panchang/dist/cli.js

Complete Hindu Panchanga calculator with Tithi, Nakshatra, Yoga, Karana, Vara calculations and Swiss Ephemeris precision

#!/usr/bin/env node
const { getPanchanga, getPanchangaReport } = require('./index.js');

function showHelp() {
  console.log(`
🔮 Panchang Calculator CLI

Usage: npx @bidyashish/panchang [options]
  
Options:
  --lat <latitude>     Latitude in degrees (required)
  --lng <longitude>    Longitude in degrees (required) 
  --tz <timezone>      Timezone (e.g., Asia/Kolkata) (required)
  --date <date>        Date in YYYY-MM-DD format (optional, defaults to today)
  --format <format>    Output format: json|report (default: report)
  --help              Show this help message

Examples:
  npx @bidyashish/panchang --lat 28.6139 --lng 77.2090 --tz Asia/Kolkata
  npx @bidyashish/panchang --lat 49.8880 --lng -119.4960 --tz America/Vancouver --date 2025-07-19
`);
}

async function main() {
  const args = process.argv.slice(2);
  if (args.includes('--help') || args.length === 0) { showHelp(); return; }
  
  const lat = parseFloat(args[args.indexOf('--lat') + 1]);
  const lng = parseFloat(args[args.indexOf('--lng') + 1]);
  const tz = args[args.indexOf('--tz') + 1];
  const dateStr = args.includes('--date') ? args[args.indexOf('--date') + 1] : null;
  const format = args.includes('--format') ? args[args.indexOf('--format') + 1] : 'report';
  
  if (isNaN(lat) || isNaN(lng) || !tz) {
    console.error('❌ Error: --lat, --lng, and --tz are required');
    showHelp(); process.exit(1);
  }
  
  try {
    const date = dateStr ? new Date(dateStr) : new Date();
    if (format === 'json') {
      const panchanga = await getPanchanga(date, lat, lng, tz);
      console.log(JSON.stringify(panchanga, null, 2));
    } else {
      const report = await getPanchangaReport(date, lat, lng, tz);
      console.log(report);
    }
  } catch (error) {
    console.error('❌ Error calculating Panchanga:', error.message);
    process.exit(1);
  }
}

main().catch(console.error);