Javascript error tracking module

reporter.js

/*
  Package     : nl.yoeran.reporter
  Date        : 03-05-2013
  Author      : Yoeran Luteijn <contact@yoeran.nl>
  Description : Little script to track frontend errors. No external library needed.
  
  Template    : https://gist.github.com/4078993
*/

define(function(){

  function Reporter()
  {
    /* Private */
    var self  = this,
        $host  = '',
        $count = 0;

    function logError(errorMsg, url, lineNumber)
    {
      $count++;

      var base = url.split('/');
          base = 'http://' + base[2] + '/';
          
      // get all js files
      var js  = [];
      var s = document.getElementsByTagName('script');
      for(var i in s ){ if( s[i].src ){
          js.push( s[i].src.replace(base,'') );
      } }
      
      // setup params
      var p = [
          '?log=' + $count,
          'desc=' + escape(errorMsg),
          'file=' + escape(url),
          'line=' + escape(lineNumber),
          'url=' + escape(document.location.href),
          'js_files=' + escape( js.join(',') )
      ];
   
      // send error to designated URL
      new Image().src = $host + p.join('&');
    }


    /* Public */
    self.init = function( url )
    {
      $host = url;
      window.onerror = function(m,u,l){
        logError(m,u,l);
      }
    }

    return( self );
  }// end Reporter

  return( Reporter() );
});