gistfile1.js

/**
* Fetch a list of station IDs
*
* @param {String} url
* @return {Array} ids
*/
function fetchStationIDList(url, callback) {
  request(url, function(error, response, html) {
    if (!error && response.code == 200) {
      var $ = cheerio.load(html);
      var table = $('#main_content table td');
      var regex = /^[A-Z]{3}$/;
      var ids = [];

      table.each( function() {
        var td = _.trim($(this).text());
        if (td.match(regex)) {
          ids.push(td);
        }
      });

      console.log('hello');
      callback(ids);
    }
  });
}