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

packages/client/lib/commands/CLUSTER_INFO.ts

@@ -0,0 +1,47 @@
+export function transformArguments(): Array<string> {
+    return ['CLUSTER', 'INFO'];
+}
+
+interface ClusterInfoReply {
+    state: string;
+    slots: {
+        assigned: number;
+        ok: number;
+        pfail: number;
+        fail: number;
+    };
+    knownNodes: number;
+    size: number;
+    currentEpoch: number;
+    myEpoch: number;
+    stats: {
+        messagesSent: number;
+        messagesReceived: number;
+    };
+}
+
+export function transformReply(reply: string): ClusterInfoReply {
+    const lines = reply.split('\r\n');
+
+    return {
+        state: extractLineValue(lines[0]),
+        slots: {
+            assigned: Number(extractLineValue(lines[1])),
+            ok: Number(extractLineValue(lines[2])),
+            pfail: Number(extractLineValue(lines[3])),
+            fail: Number(extractLineValue(lines[4]))
+        },
+        knownNodes: Number(extractLineValue(lines[5])),
+        size: Number(extractLineValue(lines[6])),
+        currentEpoch: Number(extractLineValue(lines[7])),
+        myEpoch: Number(extractLineValue(lines[8])),
+        stats: {
+            messagesSent: Number(extractLineValue(lines[9])),
+            messagesReceived: Number(extractLineValue(lines[10]))
+        }
+    };
+}
+
+export function extractLineValue(line: string): string {
+    return line.substring(line.indexOf(':') + 1);
+}