add CLIENT KILL maxAge support (v4) (#2761)

Author: sjpotter

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

@@ -65,6 +65,16 @@ describe('CLIENT KILL', () => {
             );
         });
 
+        it('MAXAGE', () => {
+            assert.deepEqual(
+                transformArguments({
+                    filter: ClientKillFilters.MAXAGE,
+                    maxAge: 10
+                }),
+                ['CLIENT', 'KILL', 'MAXAGE', '10']
+            );
+        });
+
         describe('SKIP_ME', () => {
             it('undefined', () => {
                 assert.deepEqual(

packages/client/lib/commands/CLIENT_KILL.ts

@@ -6,7 +6,8 @@ export enum ClientKillFilters {
     ID = 'ID',
     TYPE = 'TYPE',
     USER = 'USER',
-    SKIP_ME = 'SKIPME'
+    SKIP_ME = 'SKIPME',
+    MAXAGE = 'MAXAGE'
 }
 
 interface KillFilter<T extends ClientKillFilters> {
@@ -37,7 +38,11 @@ type KillSkipMe = ClientKillFilters.SKIP_ME | (KillFilter<ClientKillFilters.SKIP
     skipMe: boolean;
 });
 
-type KillFilters = KillAddress | KillLocalAddress | KillId | KillType | KillUser | KillSkipMe;
+interface KillMaxage extends KillFilter<ClientKillFilters.MAXAGE> {
+    maxAge: number;
+}
+
+type KillFilters = KillAddress | KillLocalAddress | KillId | KillType | KillUser | KillSkipMe | KillMaxage;
 
 export function transformArguments(filters: KillFilters | Array<KillFilters>): RedisCommandArguments {
     const args = ['CLIENT', 'KILL'];
@@ -89,6 +94,10 @@ function pushFilter(args: RedisCommandArguments, filter: KillFilters): void {
         case ClientKillFilters.SKIP_ME:
             args.push(filter.skipMe ? 'yes' : 'no');
             break;
+
+        case ClientKillFilters.MAXAGE:
+            args.push(filter.maxAge.toString());
+            break;
     }
 }