Lifetimes and scopes

container.register(LoggerToken, {
  useClass: ConsoleLogger,
  lifetime: "singleton",
});

container.register(UserRepositoryToken, {
  useClass: UserRepository,
  lifetime: "scoped",
});

container.register(ReportBuilder);

const scope = container.createScope();

try {
  await handleRequest(scope);
} finally {
  await scope.dispose();
}

const requestScope = container.createScope();
const operationScope = requestScope.createChildScope();

try {
  const shared = requestScope.resolve(RequestDbToken);
  const local = operationScope.resolve(OperationContextToken);
  // operationScope reads parent scoped instances; new scoped instances stay on the child
} finally {
  await operationScope.dispose();
  await requestScope.dispose();
}

const result = container.validate();