// Create 1.xlsx that contains a page break
const wb1 = new Excel.Workbook();
const ws1 = wb1.addWorksheet('row-breaks');
ws1.getCell('A1').value = 'A1';
ws1.getCell('A2').value = 'A2';
ws1.getCell('A3').value = 'A3';
ws1.getCell('A4').value = 'A4';
ws1.getRow(2).addPageBreak();
await wb1.xlsx.writeFile('./1.xlsx');

// Read 1.xlsx and write to 2.xlsx
const wb2 = new Excel.Workbook();
await wb2.xlsx.readFile('./1.xlsx');
console.log(wb2.getWorksheet('row-breaks').rowBreaks); // returns an array of length 1
await wb2.xlsx.writeFile('./2.xlsx');