recoverAppVersion.js

var http = require('https');
var cheerio = require('cheerio');

http.get('https://play.google.com/store/apps/details?id=com.totvs.globo2777&hl=en', (res) => {
  const { statusCode } = res;
  const contentType = res.headers['content-type'];

  let error;
//   if (statusCode !== 200) {
//     error = new Error(`Request Failed.\n` +
//                       `Status Code: ${statusCode}`);
//   } else if (!/^application\/json/.test(contentType)) {
//     error = new Error(`Invalid content-type.\n` +
//                       `Expected application/json but received ${contentType}`);
//   }
  if (error) {
    console.error(error.message);
    // consume response data to free up memory
    res.resume();
    return;
  }

  res.setEncoding('utf8');
  let rawData = '';
  res.on('data', (chunk) => { 
	rawData += chunk; 
  });
  res.on('end', () => {
    try {
      const parsedData = rawData;
	  // console.log(parsedData);
	  
	  // $ = cheerio.load(rawData);
	  // var a  = $('div[itemprop="softwareVersion"]').get(0);
	  // console.log("VERSÃO" + a.children[0].data.trim());
      
	  firstMatchInx = rawData.search('itemprop="softwareVersion"');
        var temp = rawData.slice(firstMatchInx, rawData.length);
        firstInxTagValue  = temp.search(">");
        secondInxTagValue  = temp.search("<");
        temp = temp.slice(firstInxTagValue+1, secondInxTagValue);
        console.log(temp.trim());
	  
    } catch (e) {
      console.error(e.message);
    }
  });
}).on('error', (e) => {
  console.error(`Got error: ${e.message}`);
});