const fs = require('fs');
const h = fs.readFileSync('index.html', 'utf8');
console.log('invoice-modal:', h.includes('id="invoice-modal"'));
console.log('sales-returns-modal:', h.includes('id="sales-returns-modal"'));
console.log('purchases-returns-modal:', h.includes('id="purchases-returns-modal"'));
console.log('Total lines:', h.split('\n').length);
console.log('File size:', h.length);
