AJ

Source

var AJ = (function() {
  var jsonRequest = function(verb, path) {
    return function(data, callback) {
      var req = new XMLHttpRequest();
      req.open(verb, path, true);
      req.onreadystatechange = callback;
      req.send(JSON.stringify(data));
    }
  };
  var queryString = function(data) {
    '?' + Object.keys(data).map(function(k) {
      return encodeURIComponent(k) + '=' + encodeURIComponent(data[k])
    }).join('&');
  };
  
  var hasValue = function (data) { return data && data !== 0; }
  
  var urlRequest = function(verb, path) {
    return function(data, callback) {
      var req = new XMLHttpRequest();
      var urlParams = hasValue(data) ? (typeof data === 'object' ? queryString(data) : '/' + data) : '';
      req.open(verb, path + urlParams, true);
      req.onreadystatechange = callback;
      req.send();
    }
  };
  var post = function(path) { jsonRequest('POST', path); }; 
  var get = function(path) { urlRequest('GET', path); };
  var delete = function(path) { urlRequest('DELETE', path); };
  var put = function(path) { jsonRequest('PUT', path); };
  return {
    request: request, 
    post: post, 
    get: get, 
    delete: delete, 
    put: put
    resource: function(path) {
      return {
        get: get(path), 
        post: post(path),
        delete: delete(path),
        put: path(path)
      }
    }
  }
})();