From 796f9d7565a1961edf6a773a262699043804f949 Mon Sep 17 00:00:00 2001
From: "John H. Kohler" <jhunterkohler@gmail.com>
Date: Mon, 15 Feb 2021 10:52:05 -0500
Subject: [PATCH 1/2] add object id.toString() on methods

---
 lib/types/map.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/types/map.js b/lib/types/map.js
index b992259870b..f22daca760d 100644
--- a/lib/types/map.js
+++ b/lib/types/map.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const Mixed = require('../schema/mixed');
+const ObjectId = require('./objectid')
 const deepEqual = require('../utils').deepEqual;
 const get = require('../helpers/get');
 const handleSpreadDoc = require('../helpers/document/handleSpreadDoc');
@@ -41,6 +42,10 @@ class MongooseMap extends Map {
   }
 
   get(key, options) {
+    if(key instanceof ObjectId) {
+      key = key.toString();
+    }
+
     options = options || {};
     if (options.getters === false) {
       return super.get(key);
@@ -49,6 +54,10 @@ class MongooseMap extends Map {
   }
 
   set(key, value) {
+    if(key instanceof ObjectId) {
+        key = key.toString();
+    }
+
     checkValidKey(key);
     value = handleSpreadDoc(value);
 
@@ -107,6 +116,10 @@ class MongooseMap extends Map {
   }
 
   delete(key) {
+    if(key instanceof ObjectId) {
+      key = key.toString();
+    }
+
     this.set(key, undefined);
     super.delete(key);
   }

From 8d0311eef495c60385e9f2fc17a81eb8b996e4f8 Mon Sep 17 00:00:00 2001
From: "John H. Kohler" <jhunterkohler@gmail.com>
Date: Mon, 15 Feb 2021 11:17:44 -0500
Subject: [PATCH 2/2] fix linting errors

---
 lib/types/map.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/types/map.js b/lib/types/map.js
index f22daca760d..8d67324ea29 100644
--- a/lib/types/map.js
+++ b/lib/types/map.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const Mixed = require('../schema/mixed');
-const ObjectId = require('./objectid')
+const ObjectId = require('./objectid');
 const deepEqual = require('../utils').deepEqual;
 const get = require('../helpers/get');
 const handleSpreadDoc = require('../helpers/document/handleSpreadDoc');
@@ -42,7 +42,7 @@ class MongooseMap extends Map {
   }
 
   get(key, options) {
-    if(key instanceof ObjectId) {
+    if (key instanceof ObjectId) {
       key = key.toString();
     }
 
@@ -54,8 +54,8 @@ class MongooseMap extends Map {
   }
 
   set(key, value) {
-    if(key instanceof ObjectId) {
-        key = key.toString();
+    if (key instanceof ObjectId) {
+      key = key.toString();
     }
 
     checkValidKey(key);
@@ -116,7 +116,7 @@ class MongooseMap extends Map {
   }
 
   delete(key) {
-    if(key instanceof ObjectId) {
+    if (key instanceof ObjectId) {
       key = key.toString();
     }