e.exports = function()

in static/js/tracker.js [2189:2199]


      e.exports = function (e, n) {
        if (!r(e)) return e;
        var t, o;
        if (n && 'function' == typeof (t = e.toString) && !r((o = t.call(e))))
          return o;
        if ('function' == typeof (t = e.valueOf) && !r((o = t.call(e))))
          return o;
        if (!n && 'function' == typeof (t = e.toString) && !r((o = t.call(e))))
          return o;
        throw TypeError("Can't convert object to primitive value");
      };