From 3dd63336eb42113d8f7c9cbd453dbb735fb7951d Mon Sep 17 00:00:00 2001
From: Daniel Diaz <39510674+IslandRhythms@users.noreply.github.com>
Date: Fri, 21 Apr 2023 18:46:47 -0400
Subject: [PATCH 1/4] Update document.test.js

---
 test/document.test.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/test/document.test.js b/test/document.test.js
index a253a25b7a1..9fe35fee9cc 100644
--- a/test/document.test.js
+++ b/test/document.test.js
@@ -11867,6 +11867,18 @@ describe('document', function() {
       assert.ok(err);
       assert.equal(err.errors['prop'].name, 'CastError');
     });
+    it('should correctly increment even if the document has not saved after each increment gh-13274', async function() {
+      const schema = new Schema({
+        coin: Number
+      });
+      const Test = db.model('gh13274', schema);
+      await Test.create({ coins: 0 });
+      const doc = await Test.findOne();
+      doc.$inc('coins', 1000);
+      doc.$inc('coins', 2000);
+      await doc.save();
+      assert.equal(doc.coins, 3000);
+    });
   });
 
   it('supports virtuals named `isValid` (gh-12124) (gh-6262)', async function() {
@@ -12274,4 +12286,4 @@ describe('Check if instance function that is supplied in schema option is availa
     const TestDocument = new TestModel({});
     assert.equal(TestDocument.instanceFn(), 'Returned from DocumentInstanceFn');
   });
-});
+});
\ No newline at end of file

From fa827ec3121197ee4db5787cc201d07c8d240f96 Mon Sep 17 00:00:00 2001
From: Daniel Diaz <39510674+IslandRhythms@users.noreply.github.com>
Date: Mon, 24 Apr 2023 11:19:00 -0400
Subject: [PATCH 2/4] add bluebird back

---
 package.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package.json b/package.json
index 59fab87586e..445a1f32a05 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "axios": "1.1.3",
     "babel-loader": "8.2.5",
     "benchmark": "2.1.4",
+    "bluebird": "3.7.2",
     "broken-link-checker": "^0.7.8",
     "buffer": "^5.6.0",
     "cheerio": "1.0.0-rc.12",

From f067440fca8859bffaa60f049492152d41a4384e Mon Sep 17 00:00:00 2001
From: Daniel Diaz <39510674+IslandRhythms@users.noreply.github.com>
Date: Mon, 24 Apr 2023 11:35:22 -0400
Subject: [PATCH 3/4] fix: calling $inc incessantly should work

---
 lib/document.js       | 6 +++++-
 test/document.test.js | 5 +++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/document.js b/lib/document.js
index 7978dcb4bf6..96001581130 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -1800,7 +1800,11 @@ Document.prototype.$inc = function $inc(path, val) {
 
   if (shouldSet) {
     this.$__.primitiveAtomics = this.$__.primitiveAtomics || {};
-    this.$__.primitiveAtomics[path] = { $inc: valToInc };
+    if (this.$__.primitiveAtomics[path] == null) {
+      this.$__.primitiveAtomics[path] = { $inc: valToInc };
+    } else {
+      this.$__.primitiveAtomics[path].$inc += valToInc;
+    }
     this.markModified(path);
     this.$__setValue(path, valToSet);
   }
diff --git a/test/document.test.js b/test/document.test.js
index 9fe35fee9cc..3bf767cff8f 100644
--- a/test/document.test.js
+++ b/test/document.test.js
@@ -11869,7 +11869,7 @@ describe('document', function() {
     });
     it('should correctly increment even if the document has not saved after each increment gh-13274', async function() {
       const schema = new Schema({
-        coin: Number
+        coins: Number
       });
       const Test = db.model('gh13274', schema);
       await Test.create({ coins: 0 });
@@ -11877,7 +11877,8 @@ describe('document', function() {
       doc.$inc('coins', 1000);
       doc.$inc('coins', 2000);
       await doc.save();
-      assert.equal(doc.coins, 3000);
+      const check = await Test.findOne();
+      assert.equal(check.coins, 3000);
     });
   });
 

From 01baac18fbec70b52d307307bc217f1efec5c3c2 Mon Sep 17 00:00:00 2001
From: Daniel Diaz <39510674+IslandRhythms@users.noreply.github.com>
Date: Mon, 24 Apr 2023 11:36:46 -0400
Subject: [PATCH 4/4] lint fix

---
 test/document.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/document.test.js b/test/document.test.js
index 3bf767cff8f..7dbc9cd7913 100644
--- a/test/document.test.js
+++ b/test/document.test.js
@@ -12287,4 +12287,4 @@ describe('Check if instance function that is supplied in schema option is availa
     const TestDocument = new TestModel({});
     assert.equal(TestDocument.instanceFn(), 'Returned from DocumentInstanceFn');
   });
-});
\ No newline at end of file
+});