nibe-uplink-web-fetch.js

const superagent = require('superagent')
var agent = superagent.agent()
var pattern = /<tr>\s*<td>\s*([^<]+)<span[^>]+>([^<]*)<\/span>\s*<\/td>\s*<td>\s*<span class="AutoUpdateValue ID([0-9]*)[^>]+>([^<]*)<\/span>\s*<\/td>\s*<\/tr>/g

var fetch = module.exports = function (user, password, systemId) {
  return new Promise((resolve, reject) => {
    agent
      .post('https://www.nibeuplink.com/LogIn')
      .send(`Email=${user}`)
      .send(`Password=${password}`)
      // .redirects(2) // not necessary?
      .then(function () {
        agent
          .get(`https://www.nibeuplink.com/System/${systemId}/Status/ServiceInfo`)
          .then(function (res) {
            var match
            var results = []
            while ((match = pattern.exec(res.text))) {
              var entry = match.slice(1, 5).map(i => i.trim())
              results.push({
                id: entry[2],
                title: entry[0],
                variableDesignation: entry[1] === '' ? null : entry[1],
                value: entry[3] === '--' ? null : entry[3]
              })
            }
            resolve(results)
          })
      })
  })
}

fetch('user', 'passwort', 123).then((results) => console.log(results))