use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

packages/client/lib/commands/XINFO_STREAM.ts

@@ -0,0 +1,63 @@
+import { StreamMessageReply, transformReplyTuples } from './generic-transformers';
+
+export const FIRST_KEY_INDEX = 2;
+
+export const IS_READ_ONLY = true;
+
+export function transformArguments(key: string): Array<string> {
+    return ['XINFO', 'STREAM', key];
+}
+
+interface XInfoStreamReply {
+    length: number;
+    radixTreeKeys: number;
+    radixTreeNodes: number;
+    groups: number;
+    lastGeneratedId: string;
+    firstEntry: StreamMessageReply | null;
+    lastEntry: StreamMessageReply | null;
+}
+
+export function transformReply(rawReply: Array<any>): XInfoStreamReply {
+    const parsedReply: Partial<XInfoStreamReply> = {};
+
+    for (let i = 0; i < rawReply.length; i+= 2) {
+        switch (rawReply[i]) {
+            case 'length':
+                parsedReply.length = rawReply[i + 1];
+                break;
+
+            case 'radix-tree-keys':
+                parsedReply.radixTreeKeys = rawReply[i + 1];
+                break;
+
+            case 'radix-tree-nodes':
+                parsedReply.radixTreeNodes = rawReply[i + 1];
+                break;
+
+            case 'groups':
+                parsedReply.groups = rawReply[i + 1];
+                break;
+
+            case 'last-generated-id':
+                parsedReply.lastGeneratedId = rawReply[i + 1];
+                break;
+
+            case 'first-entry':
+                parsedReply.firstEntry = rawReply[i + 1] ? {
+                    id: rawReply[i + 1][0],
+                    message: transformReplyTuples(rawReply[i + 1][1])
+                } : null;
+                break;
+
+            case 'last-entry':
+                parsedReply.lastEntry = rawReply[i + 1] ? {
+                    id: rawReply[i + 1][0],
+                    message: transformReplyTuples(rawReply[i + 1][1])
+                } : null;
+                break;
+        }
+    }
+
+    return parsedReply as XInfoStreamReply;
+}