From 80b325c8e9935393cb23d38e3bc1be72a82241c3 Mon Sep 17 00:00:00 2001
From: Andreas Zoellner <zoellner@stanford.edu>
Date: Wed, 15 Mar 2017 11:22:31 -0700
Subject: [PATCH] fix(query): handle $type for arrays Fix #5079

---
 lib/schema/array.js          |  2 ++
 lib/schema/operators/type.js | 13 +++++++++++++
 lib/schematype.js            |  9 ++-------
 3 files changed, 17 insertions(+), 7 deletions(-)
 create mode 100644 lib/schema/operators/type.js

diff --git a/lib/schema/array.js b/lib/schema/array.js
index b5833620072..dad5cf3b5d9 100644
--- a/lib/schema/array.js
+++ b/lib/schema/array.js
@@ -3,6 +3,7 @@
  */
 
 var $exists = require('./operators/exists');
+var $type = require('./operators/type');
 var SchemaType = require('../schematype');
 var CastError = SchemaType.CastError;
 var Types = {
@@ -319,6 +320,7 @@ handle.$minDistance =
 handle.$maxDistance = castToNumber;
 
 handle.$exists = $exists;
+handle.$type = $type;
 
 handle.$eq =
 handle.$gt =
diff --git a/lib/schema/operators/type.js b/lib/schema/operators/type.js
new file mode 100644
index 00000000000..c8e391ac2ae
--- /dev/null
+++ b/lib/schema/operators/type.js
@@ -0,0 +1,13 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function(val) {
+  if (typeof val !== 'number' && typeof val !== 'string') {
+    throw new Error('$type parameter must be number or string');
+  }
+
+  return val;
+};
diff --git a/lib/schematype.js b/lib/schematype.js
index 146c063f63b..b19ac365289 100644
--- a/lib/schematype.js
+++ b/lib/schematype.js
@@ -3,6 +3,7 @@
  */
 
 var $exists = require('./schema/operators/exists');
+var $type = require('./schema/operators/type');
 var utils = require('./utils');
 var MongooseError = require('./error');
 var CastError = MongooseError.CastError;
@@ -922,13 +923,7 @@ SchemaType.prototype.$conditionalHandlers = {
   $ne: handleSingle,
   $nin: handleArray,
   $exists: $exists,
-  $type: function(val) {
-    if (typeof val !== 'number' && typeof val !== 'string') {
-      throw new Error('$type parameter must be number or string');
-    }
-
-    return val;
-  }
+  $type: $type
 };
 
 /**