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/ZSCAN.ts

@@ -1,39 +1,26 @@
-import { RedisCommandArgument, RedisCommandArguments } from '.';
-import { ScanOptions, transformNumberInfinityReply, pushScanArguments, ZMember } from './generic-transformers';
+import { RedisArgument, ArrayReply, BlobStringReply, Command } from '../RESP/types';
+import { ScanCommonOptions, pushScanArguments } from './SCAN';
+import { transformSortedSetReply } from './generic-transformers';
 
-export const FIRST_KEY_INDEX = 1;
-
-export const IS_READ_ONLY = true;
-
-export function transformArguments(
-    key: RedisCommandArgument,
-    cursor: number,
-    options?: ScanOptions
-): RedisCommandArguments {
-    return pushScanArguments([
-        'ZSCAN',
-        key
-    ], cursor, options);
+export interface HScanEntry {
+  field: BlobStringReply;
+  value: BlobStringReply;
 }
 
-type ZScanRawReply = [RedisCommandArgument, Array<RedisCommandArgument>];
-
-interface ZScanReply {
-    cursor: number;
-    members: Array<ZMember>;
-}
-
-export function transformReply([cursor, rawMembers]: ZScanRawReply): ZScanReply {
-    const parsedMembers: Array<ZMember> = [];
-    for (let i = 0; i < rawMembers.length; i += 2) {
-        parsedMembers.push({
-            value: rawMembers[i],
-            score: transformNumberInfinityReply(rawMembers[i + 1])
-        });
-    }
-
+export default {
+  FIRST_KEY_INDEX: 1,
+  IS_READ_ONLY: true,
+  transformArguments(
+    key: RedisArgument,
+    cursor: RedisArgument,
+    options?: ScanCommonOptions
+  ) {
+    return pushScanArguments(['ZSCAN', key], cursor, options);
+  },
+  transformReply([cursor, rawMembers]: [BlobStringReply, ArrayReply<BlobStringReply>]) {
     return {
-        cursor: Number(cursor),
-        members: parsedMembers
+      cursor,
+      members: transformSortedSetReply[2](rawMembers)
     };
-}
+  }
+} as const satisfies Command;