From 51c6776a9a67368cd2cb1cf170996912353ee204 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 25 Nov 2019 17:40:32 -0500
Subject: [PATCH] refactor(schema): add array.$, array.$.$ subpaths for nested
 arrays

Fix #6405
---
 lib/schema.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/schema.js b/lib/schema.js
index 1aac5594522..2504c14059c 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -672,16 +672,17 @@ Schema.prototype.path = function(path, obj) {
     let arrayPath = path;
     let _schemaType = schemaType;
 
-    let toAdd = [];
+    const toAdd = [];
     while (_schemaType.$isMongooseArray) {
       arrayPath = arrayPath + '.$';
 
       // Skip arrays of document arrays
       if (_schemaType.$isMongooseDocumentArray) {
-        toAdd = [];
-        break;
+        _schemaType = _schemaType.$embeddedSchemaType.clone();
+      } else {
+        _schemaType = _schemaType.caster.clone();
       }
-      _schemaType = _schemaType.caster.clone();
+
       _schemaType.path = arrayPath;
       toAdd.push(_schemaType);
     }