feat(search): add FT.ALIASLIST command

packages/search/lib/commands/ALIASLIST.spec.ts

@@ -0,0 +1,56 @@
+import { strict as assert } from 'node:assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import ALIASLIST from './ALIASLIST';
+import { SCHEMA_FIELD_TYPE } from './CREATE';
+import { parseArgs } from '@redis/client/lib/commands/generic-transformers';
+
+describe('FT.ALIASLIST', () => {
+  it('transformArguments', () => {
+    assert.deepEqual(
+      parseArgs(ALIASLIST, 'index'),
+      ['FT.ALIASLIST', 'index']
+    );
+  });
+
+  testUtils.testWithClient('client.ft.aliasList on index without aliases', async client => {
+    const [, reply] = await Promise.all([
+      client.ft.create('index', {
+        field: SCHEMA_FIELD_TYPE.TEXT
+      }),
+      client.ft.aliasList('index')
+    ]);
+
+    assert.deepEqual(reply, []);
+  }, { ...GLOBAL.SERVERS.OPEN, minimumDockerVersion: [8, 10] });
+
+  testUtils.testWithClient('client.ft.aliasList with aliases', async client => {
+    const [, , , reply] = await Promise.all([
+      client.ft.create('index', {
+        field: SCHEMA_FIELD_TYPE.TEXT
+      }),
+      client.ft.aliasAdd('alias1', 'index'),
+      client.ft.aliasAdd('alias2', 'index'),
+      client.ft.aliasList('index')
+    ]);
+
+    // ordering is not part of the contract
+    assert.deepEqual(
+      [...reply].sort(),
+      ['alias1', 'alias2']
+    );
+  }, { ...GLOBAL.SERVERS.OPEN, minimumDockerVersion: [8, 10] });
+
+  testUtils.testWithClient('client.ft.aliasList on missing index rejects with index-not-found', async client => {
+    await assert.rejects(
+      client.ft.aliasList('nonexistent'),
+      err => {
+        assert.ok(err instanceof Error);
+        assert.ok(
+          err.message.startsWith('SEARCH_INDEX_NOT_FOUND'),
+          `expected SEARCH_INDEX_NOT_FOUND prefix, got: ${err.message}`
+        );
+        return true;
+      }
+    );
+  }, { ...GLOBAL.SERVERS.OPEN, minimumDockerVersion: [8, 10] });
+});

packages/search/lib/commands/ALIASLIST.ts

@@ -0,0 +1,14 @@
+import { CommandParser } from '@redis/client/dist/lib/client/parser';
+import { RedisArgument, ArrayReply, SetReply, BlobStringReply, Command } from '@redis/client/dist/lib/RESP/types';
+
+export default {
+  NOT_KEYED_COMMAND: true,
+  IS_READ_ONLY: true,
+  parseCommand(parser: CommandParser, index: RedisArgument) {
+    parser.push('FT.ALIASLIST', index);
+  },
+  transformReply: {
+    2: undefined as unknown as () => ArrayReply<BlobStringReply>,
+    3: undefined as unknown as () => SetReply<BlobStringReply>
+  }
+} as const satisfies Command;

packages/search/lib/commands/index.ts

@@ -4,6 +4,7 @@ import AGGREGATE_WITHCURSOR from './AGGREGATE_WITHCURSOR';
 import AGGREGATE from './AGGREGATE';
 import ALIASADD from './ALIASADD';
 import ALIASDEL from './ALIASDEL';
+import ALIASLIST from './ALIASLIST';
 import ALIASUPDATE from './ALIASUPDATE';
 import CONFIG_GET from './CONFIG_GET';
 import CONFIG_SET from './CONFIG_SET';
@@ -121,6 +122,16 @@ export default {
    * @param alias - The alias to remove
    */
   aliasDel: ALIASDEL,
+  /**
+   * Lists all aliases associated with the given index.
+   * @param index - The index name whose aliases to list
+   */
+  ALIASLIST,
+  /**
+   * Lists all aliases associated with the given index.
+   * @param index - The index name whose aliases to list
+   */
+  aliasList: ALIASLIST,
   /**
    * Updates the index pointed to by an existing alias.
    * @param alias - The existing alias to update