app.js

function getMediumData(callback) {
  let mediumData = {};
  https.get( {
      host: 'medium.com',
      path: '/@jaltucher/latest',
      headers: {
        Accept: 'application/json'
      }
    }, (response) => {
    let rawData = '';
    response.on('data', (chunk) => { rawData += chunk; });
    response.on('end', () => {
      rawData = rawData.replace('])}while(1);</x>', '');
      const parsedData = JSON.parse(rawData);
      const posts = parsedData['payload']['references']['Post']
      for (let i = 1; i <= 3; i++) {
        let post = posts[Object.keys(posts)[i-1]];
        mediumData['mediumTitle' + i] = post['title'];
        mediumData['mediumExcerpt' + i] = post['content']['subtitle'];
        mediumData['mediumUrl' + i] = 'https://medium.com/@jaltucher/' + post['uniqueSlug']
      }
      callback(mediumData);
    });
  });
}