Set null
as empty value instead of undefined
#162
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Setting
undefined
for an attribute on an object that is going to be serialized as JSON will cause the attribute to be skipped from the JSON. I think this is not what is usually needed to empty values as most REST APIs will either throw an error (as a mandatory attribute is not in the API call) or will not update the attributes value.Setting
null
as empty value instead ofundefined
solves this problem.