code: function getJson(url, params, headers) {
  		if (typeof url !== 'string') throw Error('url must be a string');
  
  		if ((0, _lodash4.default)(params)) {
  			if (url.indexOf('?') === -1) url = url + '?';
  			url += serializeObject(params);
  		}
  		return newRequest({ url: url, method: 'GET', responseContentType: 'json', headers: headers });
  	}
docs: /*