How to use the node.one function in node

align: function(refNode, points, offset, overflow) {
  _$jscoverage['/align.js'].functionData[20]++;
  _$jscoverage['/align.js'].lineData[349]++;
  refNode = Node.one(visit55_349_1(refNode || win));
  _$jscoverage['/align.js'].lineData[350]++;
  offset = visit56_350_1(visit57_350_2(offset && [].concat(offset)) || [0, 0]);
  _$jscoverage['/align.js'].lineData[351]++;
  overflow = visit58_351_1(overflow || {});
  _$jscoverage['/align.js'].lineData[353]++;
  var self = this, el = self.$el, fail = 0;
  _$jscoverage['/align.js'].lineData[358]++;
  var visibleRect = getVisibleRectForElement(el[0]);
  _$jscoverage['/align.js'].lineData[360]++;
  var elRegion = getRegion(el);
  _$jscoverage['/align.js'].lineData[362]++;
  var refNodeRegion = getRegion(refNode);
  _$jscoverage['/align.js'].lineData[364]++;
  var elFuturePos = getElFuturePos(elRegion, refNodeRegion, points, offset);
  _$jscoverage['/align.js'].lineData[367]++;
  var newElRegion = util.merge(elRegion, elFuturePos);

}, setter:function(v) {
    return Node.one(v)
  }}, rate:{value:RATE}, diff:{value:DIFF}}})
});

}}, {ATTRS:{node:{valueFn:function() {
    return Node.one(win)
  }, setter:function(v) {
    return Node.one(v)

valueFn: function() {
  _$jscoverage['/scroll.js'].functionData[12]++;
  _$jscoverage['/scroll.js'].lineData[236]++;
  return Node.one(win);
}, 
  setter: function(v) {

function showing(ev) {
    _$jscoverage['/overlay/popup.js'].functionData[10]++;
    _$jscoverage['/overlay/popup.js'].lineData[68]++;
    var self = this;
    _$jscoverage['/overlay/popup.js'].lineData[69]++;
    self.set('currentTrigger', Node.one(ev.target));
    _$jscoverage['/overlay/popup.js'].lineData[70]++;
    self.show();
  }
  _$jscoverage['/overlay/popup.js'].lineData[73]++;

setter: function(v) {
  _$jscoverage['/scroll.js'].functionData[13]++;
  _$jscoverage['/scroll.js'].lineData[239]++;
  return Node.one(v);
}}, 
  rate: {

setter: function(v) {
  _$jscoverage['/dd/droppable-delegate.js'].functionData[9]++;
  _$jscoverage['/dd/droppable-delegate.js'].lineData[146]++;
  return Node.one(v);
}}}});
  _$jscoverage['/dd/droppable-delegate.js'].lineData[152]++;

setter: function(v) {
  _$jscoverage['/dd/droppable.js'].functionData[12]++;
  _$jscoverage['/dd/droppable.js'].lineData[215]++;
  if (visit100_215_1(v)) {
    _$jscoverage['/dd/droppable.js'].lineData[216]++;
    return Node.one(v);
  }
}}, 
  groups: {