From 6f7b942473d99ff39795cf5783b5bca864fd54f6 Mon Sep 17 00:00:00 2001
From: Cheng Tak Kin <zendagin@connect.hku.hk>
Date: Wed, 5 Oct 2022 00:11:56 +0800
Subject: [PATCH] feat(NODE-3651): add hashed index type (#3432)

---
 src/operations/indexes.ts                  | 11 ++++++++++-
 test/types/community/createIndex.test-d.ts |  2 ++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/operations/indexes.ts b/src/operations/indexes.ts
index f1dfceeaa7..3a3b72dc30 100644
--- a/src/operations/indexes.ts
+++ b/src/operations/indexes.ts
@@ -50,7 +50,16 @@ const VALID_INDEX_OPTIONS = new Set([
 ]);
 
 /** @public */
-export type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+export type IndexDirection =
+  | -1
+  | 1
+  | '2d'
+  | '2dsphere'
+  | 'text'
+  | 'geoHaystack'
+  | 'hashed'
+  | number;
+
 function isIndexDirection(x: unknown): x is IndexDirection {
   return (
     typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack'
diff --git a/test/types/community/createIndex.test-d.ts b/test/types/community/createIndex.test-d.ts
index f1802cb762..2ddc32acd2 100644
--- a/test/types/community/createIndex.test-d.ts
+++ b/test/types/community/createIndex.test-d.ts
@@ -18,6 +18,7 @@ collection.createIndex(['someKey', 1]);
 collection.createIndex(new Map([['someKey', 1]]));
 collection.createIndex({ a: 1, b: -1 });
 collection.createIndex({ a: '2dsphere', b: -1 });
+collection.createIndex({ a: 'hashed' });
 // OrMore
 collection.createIndex(['someKey']);
 collection.createIndex([['someKey', 1]]);
@@ -28,6 +29,7 @@ collection.createIndex([
   { a: 'geoHaystack', b: 1 }
 ]);
 collection.createIndex(['a', ['b', 1], { a: 'geoHaystack', b: 1 }, new Map([['someKey', 1]])]);
+collection.createIndex([{ a: 'hashed' }]);
 
 // @ts-expect-error: CreateIndexes now asserts the object value types as of NODE-3517
 collection.createIndexes([{ key: { a: 34n } }]);