http-promises/lib/http-browser.js

/* global XMLHttpRequest */
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var _lodash = require("lodash");

var _lodash2 = _interopRequireDefault(_lodash);

var _bluebird = require("bluebird");

var _bluebird2 = _interopRequireDefault(_bluebird);

var _errors = require("./errors");

var _shared = require("./shared");

var send = function send(verb, url, data) {
  return new _bluebird2["default"](function (resolve, reject) {
    var xhr = api.createXhr();
    xhr.open(verb, url);
    if (_lodash2["default"].isObject(data)) {
      data = JSON.stringify(data);
      xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
    }
    xhr.onreadystatechange = function () {
      if (xhr.readyState === 4) {
        (0, _shared.handleRequestComplete)(xhr.status, xhr.statusText, xhr.responseText, resolve, reject);
      }
    };
    xhr.send(data);
  });
};

var api = {
  HttpError: _errors.HttpError,
  HttpParseError: _errors.HttpParseError,

  /**
  * Factory for the XHR object.
  * Swap this method out to a fake object for testing.
  * See: http://sinonjs.org/docs/#server
  */
  createXhr: function createXhr() {
    // NB: Only available when in the browser.
    return new XMLHttpRequest();
  },

  /**
  * Perform a GET operation against the given URL.
  * @param url: URL of the resource.
  * @return promise.
  */
  get: function get(url) {
    return send("GET", url);
  },

  /**
  * Performs a POST operation against the given URL.
  *
  *   In REST/Resource-Oriented systems the POST verb
  *   means "create a new resource".
  *
  * @param url:   URL of the resource.
  * @param data:  The data to send (a primitive value or an object,
  *               will be transformed and sent as JSON).
  * @return promise.
  */
  post: function post(url, data) {
    return send("POST", url, data);
  },

  /**
  * Performs a PUT operation against the given URL.
  *
  *   In REST/Resource-Oriented systems the PUT verb
  *   means "update a resource".
  *
  * @param url:   URL of the resource.
  * @param data:  The data to send (a primitive value or an object,
  *               will be transformed and sent as JSON).
  * @return promise.
  */
  put: function put(url, data) {
    return send("PUT", url, data);
  },

  /**
  * Performs a DELETE operation against the given URL.
  *
  *   In REST/Resource-Oriented systems the DELETE verb
  *   means "remove the resource".
  *
  * @param url:   URL of the resource.
  * @return promise.
  */
  "delete": function _delete(url) {
    return send("DELETE", url);
  }
};

exports["default"] = api;
module.exports = exports["default"];