Concept code of WinJS.xhr Wrapper

Client.js

  var xhr = new Xhr({ 
    baseUrl: 'http://localhost:8080/api', 
    user: "",
    password: "",
    type: 'json', 
    preHandler: function () {}, 
    postHandler: function () {},
    errorHandler, function () {}
    headers: {},
    data: {},
    acceptStatus: [200]
  });

  function getAaa(code) {
    return xhr.get({ url: '/aaa/bbb', data: {code: code}, headers: {}, acceptStatus: [] }).then(Xhr.toJSON);
  }

  function deleteBbb(id) {
    return xhr.del({ url: '/aaa/bbb', data: {id: id}, headers: {}, acceptStatus: [] }).then(Xhr.toJSON);
  }

Xhr.js

  function Xhr(options) {
     ...
  }
  
  Xhr.toJSON = function (result) {
    return JSON.parse(result.response);
  }

  Xhr.prototype.get = function (options) {
     ...
  }

  Xhr.prototype.post = function (options) {
     ...
  }

  Xhr.prototype.put = function (options) {
     ...
  }

  Xhr.prototype.del = function (options) {
     ...
  }