Function checkHasPrimary

src/sdam/topology_description.ts:540–548

(serverDescriptions: Map<string, ServerDescription>)

}

function checkHasPrimary(serverDescriptions: Map<string, ServerDescription>): TopologyType {
  for (const serverDescription of serverDescriptions.values()) {
    if (serverDescription.type === ServerType.RSPrimary) {
      return TopologyType.ReplicaSetWithPrimary;
    }
  }

  return TopologyType.ReplicaSetNoPrimary;
}