Untitled

(function(exports, document) {

  var tmpl = function tmpl(s,d){return s.replace(/:([a-z]+)/g, function(w,m){return d[m];});},
  uid = 0,
  api = 'https://api.github.com/',

  // request
  // Load JSON from a server in a different domain (JSONP)
  //
  // *Arguments:*
  //
  // * url — with placeholder in the form of :placeholder
  // * params — hash of parameters value, the property name is used to match placeholder to replace url with proper value.
  // * callback - gets called with an error object (null if success) and data.
  //
  // *Example:*
  //
  //     request('/repos/:user/:repo/git/trees/:sha?recursive=1')
  //
  request = function request(url, params, callback) {
    var jsonpString = 'jsonp' + (++uid),
    script = document.createElement('script'),
    delim = /\?/.test(url) ? '&' : '?',
    head = request.head ? request.head : (request.head = $('head'));

    if(!callback) {
      callback = params;
      params = {};
    }

    exports[jsonpString] = function(response) {
      var data = response.data,
      meta = response.meta;

      if(meta.status !== 200) {
        return callback({error: data.message, status: meta.status});
      }

      callback(null, data);
      delete window[jsonpString];
    };

    // clean trailing slash url
    url = url.replace(/^\//, '');

    params.callback = jsonpString;
    script.src = tmpl(api + url + delim + 'callback=:callback', params);
    head.append(script);
  };

  request.callbacks = [];


  exports.request = request;


})(this, this.document);