Because the _objectToRDF returns null for objects that are relative URLs, and the following code within _listToRDF does not check for this, it's possible that quads are added to the dataset that have null objects, which is invalid. Checks for null objects need to be added here:
Because the
_objectToRDFreturnsnullfor objects that are relative URLs, and the following code within_listToRDFdoes not check for this, it's possible that quads are added to the dataset that havenullobjects, which is invalid. Checks fornullobjects need to be added here:https://github.com/digitalbazaar/jsonld.js/blob/master/lib/toRdf.js#L169 https://github.com/digitalbazaar/jsonld.js/blob/master/lib/toRdf.js#L188
To avoid later potential crashes/problems when the dataset is processed (by whatever code).