@casoon/invoice-generator/bin/invoice-generator.js

Generate PDF invoices, XRechnung XML, and ZUGFeRD PDF/A-3 from JSON data with TypeScript support

#!/usr/bin/env node

const { generateFromJSON } = require('../dist/index');
const fs = require('fs');
const path = require('path');

// Parse command line arguments
const args = process.argv.slice(2);
const inputFile = args.find(arg => arg.startsWith('--input='))?.split('=')[1];
const outputFile = args.find(arg => arg.startsWith('--output='))?.split('=')[1];
const xmlOutput = args.find(arg => arg.startsWith('--xml='))?.split('=')[1];
const help = args.includes('--help') || args.includes('-h');

if (help) {
  console.log(`
@casoon/invoice-generator CLI

Usage:
  invoice-generator --input=<json-file> --output=<pdf-file> [options]

Options:
  --input=<file>     Input JSON file with invoice data
  --output=<file>    Output PDF file path
  --xml=<file>       Optional: Generate XRechnung XML file
  --help, -h         Show this help message

Examples:
  invoice-generator --input=data/test-invoice.json --output=invoice.pdf
  invoice-generator --input=data/test-invoice.json --output=invoice.pdf --xml=xrechnung.xml
`);
  process.exit(0);
}

if (!inputFile || !outputFile) {
  console.error('❌ Error: --input and --output are required');
  console.error('Use --help for usage information');
  process.exit(1);
}

// Check if input file exists
if (!fs.existsSync(inputFile)) {
  console.error(`❌ Error: Input file not found: ${inputFile}`);
  process.exit(1);
}

// Create output directory if it doesn't exist
const outputDir = path.dirname(outputFile);
if (!fs.existsSync(outputDir)) {
  fs.mkdirSync(outputDir, { recursive: true });
}

async function main() {
  try {
    console.log('🚀 Generating invoice...');
    console.log(`📄 Input: ${inputFile}`);
    console.log(`📄 Output: ${outputFile}`);
    if (xmlOutput) {
      console.log(`📄 XML: ${xmlOutput}`);
    }
    
    await generateFromJSON(inputFile, outputFile, xmlOutput);
    
    console.log('✅ Invoice generated successfully!');
    
    // Check if files were created
    if (fs.existsSync(outputFile)) {
      const stats = fs.statSync(outputFile);
      console.log(`📊 PDF size: ${(stats.size / 1024).toFixed(2)} KB`);
    }
    
    if (xmlOutput && fs.existsSync(xmlOutput)) {
      const stats = fs.statSync(xmlOutput);
      console.log(`📊 XML size: ${(stats.size / 1024).toFixed(2)} KB`);
    }
    
  } catch (error) {
    console.error('❌ Error generating invoice:', error.message);
    process.exit(1);
  }
}

main();