Model data should not have any references to a Diagram or any part of a diagram

@chzh.austin wrote:

I am currently writing some unittest via using gojs models.

I have following code in typescript.

let model = new go.GraphLinksModel();
let node = new go.Node();
let nodeData = model.copyNodeData(node); // warning here

model.startTransaction("Add node");
model.addNodeData(nodeData);
model.commitTransaction("Add node");

There is no problem if I get the model from a real diagram by using the way any sample provided. However, I get following log warning now.

LOG: 'Warning: found GraphObject or Diagram reference when copying model data on property "port" of data object: Node#1114
Model data should not have any references to a Diagram or any part of a diagram, such as: Node#1114'
LOG: 'Warning: found GraphObject or Diagram reference when copying model data on property "bc" of data object: Node#1114
Model data should not have any references to a Diagram or any part of a diagram, such as: Node#1114'
LOG: 'Warning: found GraphObject or Diagram reference when copying model data on property "locationObject" of data object: Node#1114
Model data should not have any references to a Diagram or any part of a diagram, such as: Node#1114'
LOG: 'Warning: found GraphObject or Diagram reference when copying model data on property "self" of data object: Node#1114
Model data should not have any references to a Diagram or any part of a diagram, such as: Node#1114'

Any idea? This won't break the test but just a little bit annoying.

Thanks,
Chuan

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