BitBar-connect-trello.js

// MenuBar title
var displayInMenuBar = '';
// List line
var output = '';
output += '\n';

var options = {
  hostname: 'api.trello.com',
  path: '/1/lists/<list id>?fields=name&cards=open&card_fields=name&key=<API key>&token=<Token key>',
  method: 'GET',
  headers: {
  }
};

var https = require('https');
var req = https.request(options, function(res) {
  var body = '';
  res.on('data', function(chunk) {
    body += chunk;
  });
  res.on('end', function() {
    var response = JSON.parse(body);
    response.cards.forEach(function(element, index) {
      output += element.name + ' | length=15 href=https://trello.com/~';
      output += '\n';
    });

    console.log(displayInMenuBar + output);
  });
});
req.end();

req.on('error', function(e) {
  console.error(e);
});