gistfile1.js

CmdUtils.CreateCommand({
  names: ["svel.to", "svel to", "svelto", "short"],
  icon: 'http://mikamai.com/favicon-black.png',
  description: "Shortens URLs with http://svel.to",
  help: "Type svel.to followed by the URL you want to shorten",
  author: "Emanuel Carnevale",
  license: "GPL",
  homepage: "http://emanuelcarnevale.com",
  arguments: [{role: "object",
               nountype: noun_type_url,
               label: "url to shorten"}],
  preview: function preview(pblock, args) {
    pblock.innerHTML = "Replaces <b>" + args.object.text + "</b> with ...";
  },
  execute: function execute(args) {
        $.ajax({
          beforeSend: function(xhrObj){
              xhrObj.setRequestHeader("Accept","application/json");
              xhrObj.setRequestHeader("Content-Type","application/json");
          },
          contentType: "application/json",
          type: "POST",
          url: "http://svel.to/links",
          data: {link: args.object.text},
          processData: false,
          success: function(json){ //callback
                     json = Utils.json.decode(json);
                     CmdUtils.setSelection( json.url );
                     CmdUtils.copyToClipboard( json.url );
                 }
        });
  }
});