Function writableServerSelector

src/sdam/server_selection.ts:52–65

()

 * Returns a server selector that selects for writable servers
 */
export function writableServerSelector(): ServerSelector {
  return function writableServer(
    topologyDescription: TopologyDescription,
    servers: ServerDescription[],
    deprioritized: DeprioritizedServers
  ): ServerDescription[] {
    const eligibleServers = filterDeprioritized(
      servers.filter(({ isWritable }) => isWritable),
      deprioritized
    );

    return latencyWindowReducer(topologyDescription, eligibleServers);
  };
}

/**
 * The purpose of this selector is to select the same server, only