const xlsx = require('xlsx');
const wb = xlsx.readFile('./Anlagentypen/Anlagentypen.xlsx');
const sheetName = wb.SheetNames[0];
const sheet = wb.Sheets[sheetName];
const data = xlsx.utils.sheet_to_json(sheet);
console.log('Columns:', Object.keys(data[0] || {}));
console.log('Sample Data:', data.slice(0, 3));