Converting circular structure to JSON can occur during validation in the Validator class in the isObject method during this check: if (JSON.stringify(props) === JSON.stringify({})) return true;. The problem occurs when an Entity has props that contains another Entity or an array of Entities because the entities contain _domainEvents, which is a circular ref.
A new utils function named stringify allows handling circular ref similar to JSON.stringify.
Fix
Converting circular structure to JSONcan occur during validation in theValidatorclass in theisObjectmethod during this check:if (JSON.stringify(props) === JSON.stringify({})) return true;. The problem occurs when anEntityhaspropsthat contains anotherEntityor an array ofEntitiesbecause the entities contain_domainEvents, which is acircular ref.A new
utilsfunction namedstringifyallows handlingcircular refsimilar toJSON.stringify.issue
https://github.com/4lessandrodev/type-ddd/issues/414