fix #2090 - topK.listWithCount (#2091)

packages/bloom/lib/commands/top-k/LIST_WITHCOUNT.ts

@@ -0,0 +1,26 @@
+export const FIRST_KEY_INDEX = 1;
+
+export const IS_READ_ONLY = true;
+
+export function transformArguments(key: string): Array<string> {
+    return ['TOPK.LIST', key, 'WITHCOUNT'];
+}
+
+type ListWithCountRawReply = Array<string | number>;
+
+type ListWithCountReply = Array<{
+    item: string,
+    count: number
+}>;
+
+export function transformReply(rawReply: ListWithCountRawReply): ListWithCountReply {
+    const reply: ListWithCountReply = [];
+    for (let i = 0; i < rawReply.length; i++) {
+        reply.push({
+            item: rawReply[i] as string,
+            count: rawReply[++i] as number
+        });
+    }
+
+    return reply;
+}