elasticsearch/src/lib/connectors/jquery.js

The official low-level Elasticsearch client for Node.js and the browser.

/* global jQuery: false */

/**
 * Simple connection class for using the XHR object in browsers
 *
 * @class {XhrConnection}
 */
module.exports = JqueryConnector;

var utils = require('../utils');
var ConnectionAbstract = require('../connection');
var ConnectionFault = require('../errors').ConnectionFault;

function JqueryConnector(host, config) {
  ConnectionAbstract.call(this, host, config);
}
utils.inherits(JqueryConnector, ConnectionAbstract);

JqueryConnector.prototype.request = function(params, cb) {
  var ajax = {
    url: this.host.makeUrl(params),
    data: params.body,
    type: params.method,
    dataType: 'text',
    headers: this.host.getHeaders(params.headers),
    done: cb,
  };

  var jqXHR = jQuery
    .ajax(ajax)
    .done(function(data) {
      cb(null, data, jqXHR.statusCode(), {
        'content-type': jqXHR.getResponseHeader('content-type'),
      });
    })
    .fail(function(a, b, err) {
      // if response is available, execute cb. Else throw ConnectionFault
      if (a && a.responseText) {
        cb(null, a.responseText, jqXHR.statusCode(), {
          'content-type': jqXHR.getResponseHeader('content-type'),
        });
      } else {
        cb(new ConnectionFault(err && err.message));
      }
    });

  return function() {
    jqXHR.abort();
  };
};