From 3e45d6c4bc97b5479f4fe85affee00c3e2d33575 Mon Sep 17 00:00:00 2001
From: emadum <eric.adum@mongodb.com>
Date: Tue, 20 Jul 2021 14:16:34 -0400
Subject: [PATCH] fix(NODE-3441): fix typings for createIndexes

---
 src/operations/indexes.ts    | 2 +-
 test/types/mongodb.test-d.ts | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/operations/indexes.ts b/src/operations/indexes.ts
index 6d9bd2fa15..a3a2b91d33 100644
--- a/src/operations/indexes.ts
+++ b/src/operations/indexes.ts
@@ -70,7 +70,7 @@ export type IndexSpecification = OneOrMore<
 >;
 
 /** @public */
-export interface IndexDescription {
+export interface IndexDescription extends CreateIndexesOptions {
   collation?: CollationOptions;
   name?: string;
   key: Document;
diff --git a/test/types/mongodb.test-d.ts b/test/types/mongodb.test-d.ts
index 9bd8c54e70..bd2f5eb019 100644
--- a/test/types/mongodb.test-d.ts
+++ b/test/types/mongodb.test-d.ts
@@ -1,4 +1,4 @@
-import { expectType, expectDeprecated } from 'tsd';
+import { expectType, expectDeprecated, expectError } from 'tsd';
 
 import { MongoClient } from '../../src/mongo_client';
 import { Collection } from '../../src/collection';
@@ -32,3 +32,8 @@ const composedMap = mappedAgg.map<string>(x => x.toString());
 expectType<AggregationCursor<string>>(composedMap);
 expectType<string | null>(await composedMap.next());
 expectType<string[]>(await composedMap.toArray());
+
+// test that VALID_INDEX_OPTIONS like expireAfterSeconds are allowed in IndexDefinitions
+coll.createIndexes([{ key: { event: 1 }, name: 'event', expireAfterSeconds: 2400 }]);
+// test that invalid options are not allowed
+expectError(coll.createIndexes([{ key: { event: 1 }, name: 'event', invalidOption: 2400 }]));