Function getTopology

src/utils.ts:236–245

(provider: TopologyProvider)

 * @internal
 */
export function getTopology(provider: TopologyProvider): Topology {
  // MongoClient or ClientSession or AbstractCursor
  if ('topology' in provider && provider.topology) {
    return provider.topology;
  } else if ('client' in provider && provider.client.topology) {
    return provider.client.topology;
  }

  throw new MongoNotConnectedError('MongoClient must be connected to perform this operation');
}

/** @internal */
export function ns(ns: string): MongoDBNamespace {