fix(NODE-3609): correct listDatabases return type (#2986)

mongodb · Sep 24, 2021 · a8e9938 · a8e9938
1 parent dc3e06a
commit a8e9938
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diff --git a/src/operations/list_databases.ts b/src/operations/list_databases.ts
@@ -7,7 +7,12 @@ import type { Db } from '../db';
 import type { ClientSession } from '../sessions';
 
 /** @public */
-export type ListDatabasesResult = string[] | Document[];
+export interface ListDatabasesResult {
+  databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
+  totalSize?: number;
+  totalSizeMb?: number;
+  ok: 1 | 0;
+}
 
 /** @public */
 export interface ListDatabasesOptions extends CommandOperationOptions {

diff --git a/test/types/admin.test-d.ts b/test/types/admin.test-d.ts
@@ -0,0 +1,12 @@
+import { expectType } from 'tsd';
+import { Document, MongoClient } from '../../src/index';
+
+const client = new MongoClient('');
+const admin = client.db().admin();
+
+expectType<{
+  databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
+  totalSize?: number;
+  totalSizeMb?: number;
+  ok: 1 | 0;
+}>(await admin.listDatabases());