From 1e79cac45b1b514577ff39b3f16666718e744628 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Fri, 8 Jan 2021 12:47:35 -0500
Subject: [PATCH] fix(index.d.ts): improve context and type bindings for
 `Schema#methods` and `Schema#statics`

Fix #9717
---
 index.d.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 02ffecaa4c..9769a80ced 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1086,11 +1086,11 @@ declare module 'mongoose' {
 
     /** Adds an instance method to documents constructed from Models compiled from this schema. */
     // eslint-disable-next-line @typescript-eslint/ban-types
-    method(name: string, fn: Function, opts?: any): this;
-    method(obj: { [name: string]: Function }): this;
+    method(name: string, fn: (this: DocType, ...args: any[]) => any, opts?: any): this;
+    method(obj: { [name: string]: (this: DocType, ...args: any[]) => any }): this;
 
     /** Object of currently defined methods on this schema. */
-    methods: { [name: string]: (this: DocType, ...args: any[]) => void };
+    methods: { [F in keyof DocType]: DocType[F] } & { [name: string]: (this: DocType, ...args: any[]) => any };
 
     /** The original object passed to the schema constructor */
     obj: any;
@@ -1144,12 +1144,12 @@ declare module 'mongoose' {
 
     /** Adds static "class" methods to Models compiled from this schema. */
     // eslint-disable-next-line @typescript-eslint/ban-types
-    static(name: string, fn: Function): this;
+    static(name: string, fn: (this: M, ...args: any[]) => any): this;
     // eslint-disable-next-line @typescript-eslint/ban-types
-    static(obj: { [name: string]: Function }): this;
+    static(obj: { [name: string]: (this: M, ...args: any[]) => any }): this;
 
     /** Object of currently defined statics on this schema. */
-    statics: { [name: string]: Function };
+    statics: { [F in keyof M]: M[F] } & { [name: string]: (this: M, ...args: any[]) => any };
 
     /** Creates a virtual type with the given name. */
     virtual(name: string, options?: any): VirtualType;