V5 bringing RESP3, Sentinel and TypeMapping to node-redis

RESP3 Support
   - Some commands responses in RESP3 aren't stable yet and therefore return an "untyped" ReplyUnion.
 
Sentinel

TypeMapping

Correctly types Multi commands

Note: some API changes to be further documented in v4-to-v5.md

packages/client/lib/commands/XINFO_GROUPS.ts

@@ -1,25 +1,36 @@
-import { RedisCommandArgument, RedisCommandArguments } from '.';
+import { RedisArgument, ArrayReply, TuplesToMapReply, BlobStringReply, NumberReply, NullReply, UnwrapReply, Resp2Reply, Command } 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 {
+export default {
+  FIRST_KEY_INDEX: 2,
+  IS_READ_ONLY: true,
+  transformArguments(key: RedisArgument) {
     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]
-    }));
-}
+  },
+  transformReply: {
+    2: (reply: UnwrapReply<Resp2Reply<XInfoGroupsReply>>) => {
+      return reply.map(group => {
+        const unwrapped = group as unknown as UnwrapReply<typeof group>;
+        return {
+          name: unwrapped[1],
+          consumers: unwrapped[3],
+          pending: unwrapped[5],
+          'last-delivered-id': unwrapped[7],
+          'entries-read': unwrapped[9],
+          lag: unwrapped[11]
+        };
+      });
+    },
+    3: undefined as unknown as () => XInfoGroupsReply
+  }
+} as const satisfies Command;