var Excel = require('exceljs');
var workbook = new Excel.Workbook();

workbook.xlsx.readFile('dist\hi.xlsx')
.then(function() {
    var worksheet = workbook.getWorksheet(1);
    var row = worksheet.getRow(5);
    row.getCell(1).value = 5; // A5's value set to 5
    row.commit();
    return workbook.xlsx.writeFile('new.xlsx');
})`

(node:14308) UnhandledPromiseRejectionWarning: Error: File not found: disttest.xlsx
at C:Usersaadamnode_modulesexceljsdistes5xlsxxlsx.js:59:15
at <anonymous>