stream commands + some more

packages/client/lib/commands/XPENDING_RANGE.ts

@@ -32,19 +32,7 @@
 //     return args;
 // }
 
-// type XPendingRangeRawReply = Array<[
-//     id: RedisCommandArgument,
-//     consumer: RedisCommandArgument,
-//     millisecondsSinceLastDelivery: number,
-//     deliveriesCounter: number
-// ]>;
 
-// type XPendingRangeReply = Array<{
-//     id: RedisCommandArgument;
-//     owner: RedisCommandArgument;
-//     millisecondsSinceLastDelivery: number;
-//     deliveriesCounter: number;
-// }>;
 
 // export function transformReply(reply: XPendingRangeRawReply): XPendingRangeReply {
 //     return reply.map(([id, owner, millisecondsSinceLastDelivery, deliveriesCounter]) => ({
@@ -54,3 +42,56 @@
 //         deliveriesCounter
 //     }));
 // }
+
+import { RedisArgument, ArrayReply, TuplesReply, BlobStringReply, NumberReply, Command } from '../RESP/types';
+
+export interface XPendingRangeOptions {
+  IDLE?: number;
+  consumer?: RedisArgument;
+}
+
+type XPendingRangeRawReply = ArrayReply<TuplesReply<[
+  id: BlobStringReply,
+  consumer: BlobStringReply,
+  millisecondsSinceLastDelivery: NumberReply,
+  deliveriesCounter: NumberReply
+]>>;
+
+export default {
+  FIRST_KEY_INDEX: 1,
+  IS_READ_ONLY: true,
+  transformArguments(
+    key: RedisArgument,
+    group: RedisArgument,
+    start: RedisArgument,
+    end: RedisArgument,
+    count: number,
+    options?: XPendingRangeOptions
+  ) {
+    const args = ['XPENDING', key, group];
+
+    if (options?.IDLE !== undefined) {
+      args.push('IDLE', options.IDLE.toString());
+    }
+
+    args.push(
+      start,
+      end,
+      count.toString()
+    );
+
+    if (options?.consumer) {
+      args.push(options.consumer);
+    }
+
+    return args;
+  },
+  transformReply(reply: XPendingRangeRawReply) {
+    return reply.map(pending => ({
+      id: pending[0],
+      consumer: pending[1],
+      millisecondsSinceLastDelivery: pending[2],
+      deliveriesCounter: pending[3]
+    }));
+  }
+} as const satisfies Command;