HSCAN NOVALUES support (v5) (#2758)

* HSCAN VALUES support (v5)

* add hscanNoValuesIterator

* nitpick

---------

Co-authored-by: Leibale Eidelman <me@leibale.com>

packages/client/lib/commands/HSCAN_NOVALUES.spec.ts

@@ -0,0 +1,56 @@
+import { strict as assert } from 'node:assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import HSCAN_NOVALUES from './HSCAN_NOVALUES';
+
+describe('HSCAN_NOVALUES', () => {
+  describe('transformArguments', () => {
+    it('cusror only', () => {
+      assert.deepEqual(
+        HSCAN_NOVALUES.transformArguments('key', '0'),
+        ['HSCAN', 'key', '0', 'NOVALUES']
+      );
+    });
+
+    it('with MATCH', () => {
+      assert.deepEqual(
+        HSCAN_NOVALUES.transformArguments('key', '0', {
+          MATCH: 'pattern'
+        }),
+        ['HSCAN', 'key', '0', 'MATCH', 'pattern', 'NOVALUES']
+      );
+    });
+
+    it('with COUNT', () => {
+      assert.deepEqual(
+        HSCAN_NOVALUES.transformArguments('key', '0', {
+          COUNT: 1
+        }),
+        ['HSCAN', 'key', '0', 'COUNT', '1', 'NOVALUES']
+      );
+    });
+
+    it('with MATCH & COUNT', () => {
+      assert.deepEqual(
+        HSCAN_NOVALUES.transformArguments('key', '0', {
+          MATCH: 'pattern',
+          COUNT: 1
+        }),
+        ['HSCAN', 'key', '0', 'MATCH', 'pattern', 'COUNT', '1', 'NOVALUES']
+      );
+    });
+  });
+
+  testUtils.testWithClient('client.hScanNoValues', async client => {
+    const [, reply] = await Promise.all([
+      client.hSet('key', 'field', 'value'),
+      client.hScanNoValues('key', '0')
+    ]);
+
+    assert.deepEqual(reply, {
+      cursor: '0',
+      fields: [
+        'field',
+      ]
+    });
+  }, GLOBAL.SERVERS.OPEN);
+});