From 848478a9ad6a7a7de508249f8cef127ae348af72 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 26 May 2025 14:36:50 -0400
Subject: [PATCH 1/2] refactor: remove unnecessary async iterator checks

---
 lib/aggregate.js | 15 +++------------
 lib/query.js     | 19 +++++--------------
 2 files changed, 8 insertions(+), 26 deletions(-)

diff --git a/lib/aggregate.js b/lib/aggregate.js
index 8ad43f5b689..8dba993b086 100644
--- a/lib/aggregate.js
+++ b/lib/aggregate.js
@@ -1139,24 +1139,15 @@ Aggregate.prototype.finally = function(onFinally) {
  *       console.log(doc.name);
  *     }
  *
- * Node.js 10.x supports async iterators natively without any flags. You can
- * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
- *
- * **Note:** This function is not set if `Symbol.asyncIterator` is undefined. If
- * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
- * support async iterators.
- *
  * @method [Symbol.asyncIterator]
  * @memberOf Aggregate
  * @instance
  * @api public
  */
 
-if (Symbol.asyncIterator != null) {
-  Aggregate.prototype[Symbol.asyncIterator] = function() {
-    return this.cursor({ useMongooseAggCursor: true }).transformNull()._transformForAsyncIterator();
-  };
-}
+ Aggregate.prototype[Symbol.asyncIterator] = function() {
+   return this.cursor({ useMongooseAggCursor: true }).transformNull()._transformForAsyncIterator();
+ };
 
 /*!
  * Helpers
diff --git a/lib/query.js b/lib/query.js
index d8961e4b015..9a8be9c0259 100644
--- a/lib/query.js
+++ b/lib/query.js
@@ -5406,26 +5406,17 @@ Query.prototype.nearSphere = function() {
  *       console.log(doc.name);
  *     }
  *
- * Node.js 10.x supports async iterators natively without any flags. You can
- * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
- *
- * **Note:** This function is not if `Symbol.asyncIterator` is undefined. If
- * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
- * support async iterators.
- *
  * @method [Symbol.asyncIterator]
  * @memberOf Query
  * @instance
  * @api public
  */
 
-if (Symbol.asyncIterator != null) {
-  Query.prototype[Symbol.asyncIterator] = function queryAsyncIterator() {
-    // Set so QueryCursor knows it should transform results for async iterators into `{ value, done }` syntax
-    this._mongooseOptions._asyncIterator = true;
-    return this.cursor();
-  };
-}
+ Query.prototype[Symbol.asyncIterator] = function queryAsyncIterator() {
+   // Set so QueryCursor knows it should transform results for async iterators into `{ value, done }` syntax
+   this._mongooseOptions._asyncIterator = true;
+   return this.cursor();
+ };
 
 /**
  * Specifies a `$polygon` condition

From 56137d488076005e8718d01eac0345637d93ba02 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Mon, 26 May 2025 14:39:13 -0400
Subject: [PATCH 2/2] style: fix lint

---
 lib/aggregate.js |  6 +++---
 lib/query.js     | 10 +++++-----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/aggregate.js b/lib/aggregate.js
index 8dba993b086..560c9e228c8 100644
--- a/lib/aggregate.js
+++ b/lib/aggregate.js
@@ -1145,9 +1145,9 @@ Aggregate.prototype.finally = function(onFinally) {
  * @api public
  */
 
- Aggregate.prototype[Symbol.asyncIterator] = function() {
-   return this.cursor({ useMongooseAggCursor: true }).transformNull()._transformForAsyncIterator();
- };
+Aggregate.prototype[Symbol.asyncIterator] = function() {
+  return this.cursor({ useMongooseAggCursor: true }).transformNull()._transformForAsyncIterator();
+};
 
 /*!
  * Helpers
diff --git a/lib/query.js b/lib/query.js
index 9a8be9c0259..8f3702d0c11 100644
--- a/lib/query.js
+++ b/lib/query.js
@@ -5412,11 +5412,11 @@ Query.prototype.nearSphere = function() {
  * @api public
  */
 
- Query.prototype[Symbol.asyncIterator] = function queryAsyncIterator() {
-   // Set so QueryCursor knows it should transform results for async iterators into `{ value, done }` syntax
-   this._mongooseOptions._asyncIterator = true;
-   return this.cursor();
- };
+Query.prototype[Symbol.asyncIterator] = function queryAsyncIterator() {
+  // Set so QueryCursor knows it should transform results for async iterators into `{ value, done }` syntax
+  this._mongooseOptions._asyncIterator = true;
+  return this.cursor();
+};
 
 /**
  * Specifies a `$polygon` condition