Add Model.createCollection() (#34193)

types/mongoose/index.d.ts

@@ -2989,6 +2989,12 @@ declare module "mongoose" {
     create(...docs: any[]): Promise<T>;
     create(...docsWithCallback: any[]): Promise<T>;
 
+    /**
+     * Create the collection for this model. By default, if no indexes are specified, mongoose will not create the
+     * collection for the model until any documents are created. Use this method to create the collection explicitly.
+     */
+    createCollection(options?: mongodb.CollectionCreateOptions, cb?: (err: any) => void): Promise<void>;
+
     /**
      * Adds a discriminator type.
      * @param name discriminator model name

types/mongoose/mongoose-tests.ts

@@ -1648,6 +1648,9 @@ MongoModel.create([{ type: 'jelly bean' }, {
   arg[0].save();
   arg[1].save();
 });
+MongoModel.createCollection().then(() => {});
+MongoModel.createCollection({ capped: true, max: 42 }).then(() => {});
+MongoModel.createCollection({ capped: true, max: 42 }, err => {});
 MongoModel.distinct('url', { clicks: {$gt: 100}}, function (err, result) {
 });
 MongoModel.distinct('url').exec(cb);