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/ZPOPMAX.ts

@@ -1,12 +1,28 @@
-import { RedisCommandArgument, RedisCommandArguments } from '.';
+import { RedisArgument, TuplesReply, BlobStringReply, DoubleReply, UnwrapReply, Command, TypeMapping } from '../RESP/types';
+import { transformDoubleReply } from './generic-transformers';
 
-export const FIRST_KEY_INDEX = 1;
+export default {
+  FIRST_KEY_INDEX: 1,
+  IS_READ_ONLY: false,
+  transformArguments(key: RedisArgument) {
+    return ['ZPOPMAX', key];
+  },
+  transformReply: {
+    2: (reply: UnwrapReply<TuplesReply<[] | [BlobStringReply, BlobStringReply]>>, preserve?: any, typeMapping?: TypeMapping) => {
+      if (reply.length === 0) return null;
 
-export function transformArguments(key: RedisCommandArgument): RedisCommandArguments {
-    return [
-        'ZPOPMAX',
-        key
-    ];
-}
+      return {
+        value: reply[0],
+        score: transformDoubleReply[2](reply[1], preserve, typeMapping),
+      };
+    },
+    3: (reply: UnwrapReply<TuplesReply<[] | [BlobStringReply, DoubleReply]>>) => {
+      if (reply.length === 0) return null;
 
-export { transformSortedSetMemberNullReply as transformReply } from './generic-transformers';
+      return {
+        value: reply[0],
+        score: reply[1]
+      };
+    }
+  }
+} as const satisfies Command;