main.js

const panels = require("panel");
const widgets = require("widget");
exports.main = function () {
 let panel = panels.add(panels.Panel({
      content: "about:blank",
      width: 240,
      height: 320,
     allow: { script: true },
    }));
    widgets.add(widgets.Widget({
      label: "Plurk",
      image: "http://www.plurk.com/favicon.ico",
      onClick: function () {
        panel.show();
      }
    }));

};