OPT status check

uscis.js

/**
 * npm install superagent cheerio
 * node index.js <your_case_number>
 */
const request = require('superagent');
const cheerio = require('cheerio');

const URL = "https://egov.uscis.gov/casestatus/mycasestatus.do";
const receipt = process.argv[2];

request.post(URL)
    .type('form')
    .send({
        appReceiptNum: receipt,
        initCaseSearch: 'CHECK STATUS',
        changeLocale: ''
    })
    .end(function(err, res) {
        if (res.statusCode == 200) {
            let $ = cheerio.load(res.text);
            let h1= $('.appointment-sec h1');
            let msg = $('.appointment-sec p');
            console.log(h1.text());
            console.log(msg.text());
        } else {
            console.log("error: unable to read resp");
        }
    });

Hi,

I just wanted to let you know this code gives "TypeError: Cannot read property 'statusCode' of undefined" error for some receipt numbers. When I changed the line 19 and make it "if (!err && res.statusCode == 200) {" , it solved this error in the code.

Thanks for sharing,