types: add toJSONSchema to typescript types

Author: vkarpov15

types/index.d.ts

@@ -508,6 +508,8 @@ declare module 'mongoose' {
     statics: { [F in keyof TStaticMethods]: TStaticMethods[F] } &
     { [name: string]: (this: TModelType, ...args: any[]) => unknown };
 
+    toJSONSchema(options?: { useBsonType?: boolean }): Record<string, any>;
+
     /** Creates a virtual type with the given name. */
     virtual<T = HydratedDocument<DocType, TVirtuals & TInstanceMethods, TQueryHelpers>>(
       name: keyof TVirtuals | string,

types/schematypes.d.ts

@@ -300,6 +300,8 @@ declare module 'mongoose' {
     /** Declares a full text index. */
     text(bool: boolean): this;
 
+    toJSONSchema(options?: { useBsonType?: boolean }): Record<string, any>;
+
     /** Defines a custom function for transforming this path when converting a document to JSON. */
     transform(fn: (value: any) => any): this;