From fe3d86bf13a3f136fc26265dce84d738a7aa490c Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Wed, 13 Jan 2016 21:20:05 -0800
Subject: [PATCH] Ensure `_.defaultsDeep` doesn't convert function properties
 to objects. [closes #1783]

---
 lodash.js    |  4 +++-
 test/test.js | 10 ++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index 8debf156e..707ca0bcc 100644
--- a/lodash.js
+++ b/lodash.js
@@ -5099,7 +5099,9 @@
         stack.set(srcValue, objValue);
         baseMerge(objValue, srcValue, mergeDefaults, stack);
       }
-      return objValue === undefined ? baseClone(srcValue) : objValue;
+      return objValue === undefined
+        ? baseClone(srcValue, undefined, undefined, key, object)
+        : objValue;
     }
 
     /**
diff --git a/test/test.js b/test/test.js
index b2278a9a5..19e192e0a 100644
--- a/test/test.js
+++ b/test/test.js
@@ -3998,6 +3998,16 @@
       assert.strictEqual(actual.a.b, null);
     });
 
+    QUnit.test('should not convert function properties to objects', function(assert) {
+      assert.expect(2);
+
+      var actual = _.defaultsDeep({}, { 'a': noop });
+      assert.strictEqual(actual.a, noop);
+
+      actual = _.defaultsDeep({}, { 'a': { 'b': noop } });
+      assert.strictEqual(actual.a.b, noop);
+    });
+
     QUnit.test('should overwrite `undefined` values', function(assert) {
       assert.expect(1);