text: export var extend = function (target) {
      var objs = [];
      for (var _i = 1; _i < arguments.length; _i++) {
          objs[_i - 1] = arguments[_i];
      }
      objs.forEach(function (o) {
          if (o && typeof (o) === 'object') {
              for (var k in o) {
                  if (o.hasOwnProperty(k)) {
                      target[k] = o[k];
                  }
              }
          }
      });
      return target;
  };
  export var uuid4 = function () {
      return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
          var r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
          return v.toString(16);
      });
  };
  //# sourceMappingURL=util.js.map