stream commands + some more

packages/client/lib/commands/XINFO_GROUPS.ts

@@ -1,25 +1,33 @@
-// import { RedisCommandArgument, RedisCommandArguments } from '.';
+import { RedisArgument, ArrayReply, TuplesToMapReply, BlobStringReply, NumberReply, Resp2Reply, Command, NullReply } from '../RESP/types';
 
-// export const FIRST_KEY_INDEX = 2;
+export type XInfoGroupsReply = ArrayReply<TuplesToMapReply<[
+  [BlobStringReply<'name'>, BlobStringReply],
+  [BlobStringReply<'consumers'>, NumberReply],
+  [BlobStringReply<'pending'>, NumberReply],
+  [BlobStringReply<'last-delivered-id'>, NumberReply],
+  /** added in 7.0 */
+  [BlobStringReply<'entries-read'>, NumberReply | NullReply],
+  /** added in 7.0 */
+  [BlobStringReply<'lag'>, NumberReply],
+]>>;
 
-// export const IS_READ_ONLY = true;
-
-// export function transformArguments(key: RedisCommandArgument): RedisCommandArguments {
-//     return ['XINFO', 'GROUPS', key];
-// }
-
-// type XInfoGroupsReply = Array<{
-//     name: RedisCommandArgument;
-//     consumers: number;
-//     pending: number;
-//     lastDeliveredId: RedisCommandArgument;
-// }>;
-
-// export function transformReply(rawReply: Array<any>): XInfoGroupsReply {
-//     return rawReply.map(group => ({
-//         name: group[1],
-//         consumers: group[3],
-//         pending: group[5],
-//         lastDeliveredId: group[7]
-//     }));
-// }
+export default {
+  FIRST_KEY_INDEX: 2,
+  IS_READ_ONLY: true,
+  transformArguments(key: RedisArgument) {
+    return ['XINFO', 'GROUPS', key];
+  },
+  transformReply: {
+    2: (reply: Resp2Reply<XInfoGroupsReply>) => {
+      return reply.map(group => ({
+        name: group[1],
+        consumers: group[3],
+        pending: group[5],
+        'last-delivered-id': group[7],
+        'entries-read': group[9],
+        lag: group[11]
+      }));
+    },
+    3: undefined as unknown as () => XInfoGroupsReply
+  }
+} as const satisfies Command;