notify.js

/*! Copyright (c) 2016-2017 Rene Tanczos <gravmatt@gmail.com> - The MIT License (MIT) */
(function(window, document, undefined) {
  var notify = function (title, options) {
      var guid = function() {
          function s4() {
            return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
          }
          return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
        };

      if (!window.Notification) {
          return;
      }
      if (Notification.permission === 'default') {
          Notification.requestPermission(function () {
              title && notify(title, options);
          });
      }
      else if (Notification.permission === 'granted') {
          if(!title) return undefined;
          var opt = options || {}
          opt.tag = guid()
          var n = new Notification(title, opt);
          n.onclick = function () {
              opt.onclick && opt.onclick(opt);
              this.close();
          };
          n.onclose = function () {
              opt.onclose && opt.onclose(opt);
          };
          return n;
      }
      else if (Notification.permission === 'denied') {
          (options && options.ondenied) && options.ondenied(options);
      }
  };
  if ( typeof module === "object" && module && typeof module.exports === "object" ) {
  	module.exports = notify;
  } else {
  	window.notify = notify;
  	if ( typeof define === "function" && define.amd ) {
  		define( "notify", [], function () { return notify; } );
  	}
  }
})(window, document);