fix #2458 - add support for WAITAOF

packages/client/lib/client/commands.ts

@@ -118,6 +118,7 @@ import * as SWAPDB from '../commands/SWAPDB';
 import * as TIME from '../commands/TIME';
 import * as UNWATCH from '../commands/UNWATCH';
 import * as WAIT from '../commands/WAIT';
+import * as WAITAOF from '../commands/WAITAOF';
 
 export default {
     ...CLUSTER_COMMANDS,
@@ -358,5 +359,7 @@ export default {
     UNWATCH,
     unwatch: UNWATCH,
     WAIT,
-    wait: WAIT
+    wait: WAIT,
+    WAITAOF,
+    waitaof: WAITAOF
 };

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

@@ -0,0 +1,23 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './WAITAOF';
+
+describe('WAITAOF', () => {
+    testUtils.isVersionGreaterThanHook([7, 2]);
+
+    describe('transformArguments', () => {
+        it('simple', () => {
+            assert.deepEqual(
+                transformArguments(1, 0, 0),
+                ['WAITAOF', '1', '0', '0']
+            );
+        });
+    });
+
+    testUtils.testWithClient('client.wait', async client => {
+        assert.equal(
+            await client.waitaof(1, 0, 0),
+            [1, 0]
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});

packages/client/lib/commands/WAITAOF.ts

@@ -0,0 +1,16 @@
+import { RedisCommandArguments } from '.';
+
+export function transformArguments(
+    numlocal: number,
+    numreplicas: number,
+    timeout: number
+): RedisCommandArguments {
+    return [
+        'WAITAOF',
+        numlocal.toString(),
+        numreplicas.toString(),
+        timeout.toString()
+    ];
+}
+
+export declare function transformReply(): Array<[number, number]>;