Ignoring nil values with ΤJsonSerializer

[pyscripter 743]

When I serialize a an object with object fields that are nil  I get null values in the Json result e.g.

 

{
    "capabilities": {
        "positionEncoding": [],
        "textDocumentSync": {
            "openClose": true,
            "change": 2,
            "willSave": false,
            "willSaveWaitUntil": false,
            "save": null
        },
        "notebookDocumentSync": null,
        "completionProvider": null,
}

 

How can I ignore fields that have nil values?

System.JSON.Types defines the following:

  TJsonDefaultValueHandling = (Include, Ignore, Populate, IgnoreAndPopulate);

but it is not used anywhere.

 

I also tried to use a converter, but I could not get it to work.  And in any case converters are used after the property name is written.

 

Any ideas?

Edited 30 minutes ago by pyscripter