fix #2333 - fix quit reply (#2346)

Author: leibale

packages/client/lib/client/index.spec.ts

@@ -841,13 +841,14 @@ describe('Client', () => {
             quitPromise = client.quit();
         assert.equal(client.isOpen, false);
 
-        const [ping] = await Promise.all([
+        const [ping, quit] = await Promise.all([
             pingPromise,
-            assert.doesNotReject(quitPromise),
+            quitPromise,
             assert.rejects(client.ping(), ClientClosedError)
         ]);
 
         assert.equal(ping, 'PONG');
+        assert.equal(quit, 'OK');
     }, {
         ...GLOBAL.SERVERS.OPEN,
         disableClientSetup: true

packages/client/lib/client/index.ts

@@ -586,16 +586,17 @@ export default class RedisClient<
 
     pUnsubscribe = this.PUNSUBSCRIBE;
 
-    QUIT(): Promise<void> {
-        return this.#socket.quit(() => {
-            const quitPromise = this.#queue.addCommand(['QUIT'], {
+    QUIT(): Promise<string> {
+        return this.#socket.quit(async () => {
+            const quitPromise = this.#queue.addCommand<string>(['QUIT'], {
                 ignorePubSubMode: true
             });
             this.#tick();
-            return Promise.all([
+            const [reply] = await Promise.all([
                 quitPromise,
                 this.#destroyIsolationPool()
             ]);
+            return reply;
         });
     }
 

packages/client/lib/client/socket.ts

@@ -240,14 +240,15 @@ export default class RedisSocket extends EventEmitter {
         this.emit('end');
     }
 
-    async quit(fn: () => Promise<unknown>): Promise<void> {
+    async quit<T>(fn: () => Promise<T>): Promise<T> {
         if (!this.#isOpen) {
             throw new ClientClosedError();
         }
 
         this.#isOpen = false;
-        await fn();
+        const reply = await fn();
         this.#disconnect();
+        return reply;
     }
 
     #isCorked = false;