Ludovic Roy

For now, you could use the data('collapsedChildren') attribute of the element for that. It stores the children of this element, when it is collapsed. So if yourElement.data('collapsedChildren') is defined and...

What is saved inside collapsedChildren is the entire cytoscape element. With all the cytoscape properties, as is. So I'm not sure that what you propose would work...

Could you add instructions on how to run the tests and put the required test-related dependencies in devDependencies ?