ChrisGrigg

xeroClient.core.invoices.getInvoice(req.body.invoiceID, null, null, null, null, "application/pdf")
    .then((data) => {
       console.log(`data ${JSON.stringify(data)}`);
       fs.writeFile(data.FileName, data.PdfContentRaw, 'binary', function(){
       // Do something with the file
       });
    });

ChrisGrigg

function authoriseRedirect(req, res) {
        const xeroClient = getXeroClient();
        xeroClient.getRequestToken((err, token, secret) => {
            if (err) return handleErr(err, res);
            console.log('authoriseRedirect token: ' + token);
            console.log('authoriseRedirect secret: ' + secret);
            req.session.oauthRequestToken = token;
            req.session.oauthRequestSecret = secret;
            const data = {
                authoriseURL: xeroClient.buildAuthorizeUrl(token),