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

packages/client/lib/commands/HELLO.ts

@@ -0,0 +1,64 @@
+import { AuthOptions } from './AUTH';
+
+interface HelloOptions {
+    protover: number;
+    auth?: Required<AuthOptions>;
+    clientName?: string;
+}
+
+export function transformArguments(options?: HelloOptions): Array<string> {
+    const args = ['HELLO'];
+
+    if (options) {
+        args.push(options.protover.toString());
+
+        if (options.auth) {
+            args.push('AUTH', options.auth.username, options.auth.password);
+        }
+
+        if (options.clientName) {
+            args.push('SETNAME', options.clientName);
+        }
+    }
+
+    return args;
+}
+
+type HelloRawReply = [
+    _: never,
+    server: string,
+    _: never,
+    version: string,
+    _: never,
+    proto: number,
+    _: never,
+    id: number,
+    _: never,
+    mode: string,
+    _: never,
+    role: string,
+    _: never,
+    modules: Array<string>
+];
+
+interface HelloTransformedReply {
+    server: string;
+    version: string;
+    proto: number;
+    id: number;
+    mode: string;
+    role: string;
+    modules: Array<string>;
+}
+
+export function transformReply(reply: HelloRawReply): HelloTransformedReply {
+    return {
+        server: reply[1],
+        version: reply[3],
+        proto: reply[5],
+        id: reply[7],
+        mode: reply[9],
+        role: reply[11],
+        modules: reply[13]
+    };
+}