text: import superagent from 'superagent';
  import config from '../config';
  
  const methods = ['get', 'post', 'put', 'patch', 'del'];
  
  function formatUrl(path) {
    const adjustedPath = path[0] !== '/' ? '/' + path : path;
    if (__SERVER__) {
      // Prepend host and port of the API server to the path.
      return 'http://' + config.apiHost + ':' + config.apiPort + adjustedPath;
    }
    // Prepend `/api` to relative URL, to proxy to API server.
    return '/api' + adjustedPath;
  }
  
  /*
   * This silly underscore is here to avoid a mysterious "ReferenceError: ApiClient is not defined" error.
   * See Issue #14. https://github.com/erikras/react-redux-universal-hot-example/issues/14
   *
   * Remove it at your own risk.
   */
  class _ApiClient {
    constructor(req) {
      methods.forEach((method) =>
        this[method] = (path, { params, data } = {}) => new Promise((resolve, reject) => {
          const request = superagent[method](formatUrl(path));
  
          if (params) {
            request.query(params);
          }
  
          if (__SERVER__ && req.get('cookie')) {
            request.set('cookie', req.get('cookie'));
          }
  
          if (data) {
            request.send(data);
          }
  
          request.end((err, { body } = {}) => err ? reject(body || err) : resolve(body));
        }));
    }
  }
  
  const ApiClient = _ApiClient;
  
  export default ApiClient;
  