Merge pull request #12948 from simon-abbott/patch

fix: export mongodb types more robustly

Author: vkarpov15

test/types/mongo.test.ts

@@ -0,0 +1,4 @@
+import * as mongoose from 'mongoose';
+import { expectType } from 'tsd';
+
+import GridFSBucket = mongoose.mongo.GridFSBucket;

types/index.d.ts

@@ -109,7 +109,7 @@ declare module 'mongoose' {
   export function setDriver(driver: any): Mongoose;
 
   /** The node-mongodb-native driver Mongoose uses. */
-  export const mongo: typeof mongodb;
+  export { mongodb as mongo };
 
   /** Declares a global plugin executed on all Schemas. */
   export function plugin(fn: (schema: Schema, opts?: any) => void, opts?: any): Mongoose;