Function isInstanceOfRegisteredClass

src/transformer.ts:239–250

(
  potentialClass: any,
  superJson: SuperJSON
)

);

export function isInstanceOfRegisteredClass(
  potentialClass: any,
  superJson: SuperJSON
): potentialClass is any {
  if (potentialClass?.constructor) {
    const isRegistered = !!superJson.classRegistry.getIdentifier(
      potentialClass.constructor
    );
    return isRegistered;
  }
  return false;
}

const classRule = compositeTransformation(
  isInstanceOfRegisteredClass,