Convert CSV to Excel or Excel to CSV File in Node.js

csv-to-excel.js

// Create CSV LoadOptions object
var loadOptions =  aspose.cells.LoadOptions(aspose.cells.FileFormatType.CSV);

// Create an Workbook object with CSV file path and the loadOptions
var workbook =  aspose.cells.Workbook("data.csv", loadOptions);

// Save CSV as XLSX
workbook.save("CSVtoExcel.xlsx" , aspose.cells.SaveFormat.XLSX);

excel-to-csv.js

// Load the Excel file
var workbook =  aspose.cells.Workbook("CSVtoExcel.xlsx");

// Save as CSV
workbook.save("ExcelToCSV.csv" , aspose.cells.SaveFormat.CSV);