const exceljsStream = require('exceljs-transform-stream') const request = require('superagent') const through = require('through2') const req = request.get('http://localhost:8000/file.xlsx') .pipe(exceljsStream()) .on('data', (d) => console.log(String(d), 'line')) // => { row: 'row1', date: '2017-02-08T00:00:00.000Z', cost: 100, notes: 111 } const file = fs.createReadStream(__dirname + '/file.xlsx') file .pipe(exceljsStream()) .on('data', (d) => console.log(String(d), 'line')) // => { row: 'row1', date: '2017-02-08T00:00:00.000Z', cost: 100, notes: 111 }