function load()

in src/magic.js [27:53]

• 18 lines of code
• 2 McCabe index (conditional complexity)

function load(url, rawData, callback) {
  var xhr = new XMLHttpRequest();
  var data;
  if (rawData) {
    // Assume anything with data is a POST request
    xhr.open('post', url, true);
    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

    data = Object.keys(rawData)
      .map(function(key) {
        return encodeURIComponent(key) + '=' + encodeURIComponent(rawData[key]);
      })
      .join('&');
  } else {
    // No data, use a GET request
    xhr.open('get', url + '?cachebust=' + Date.now(), true);
  }

  xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
  xhr.onreadystatechange = function() {
    if (xhr.readyState === 4) {
      callback(xhr.responseText, xhr);
    }
  }
  xhr.send(data);
  return xhr;
}