From e2c86dac63cbb9d6788dbc2b51e5c328288f08d8 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 22 Apr 2016 08:46:35 -0700
Subject: [PATCH] Ensure `fp.update` does not convert end of `path` to an
 object. [closes #2271]

---
 fp/_baseConvert.js |  3 ++-
 test/test-fp.js    | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/fp/_baseConvert.js b/fp/_baseConvert.js
index e7e631ce4..1d92da540 100644
--- a/fp/_baseConvert.js
+++ b/fp/_baseConvert.js
@@ -235,6 +235,7 @@ function baseConvert(util, name, func, options) {
 
     var index = -1,
         length = path.length,
+        lastIndex = length - 1,
         result = clone(Object(object)),
         nested = result;
 
@@ -243,7 +244,7 @@ function baseConvert(util, name, func, options) {
           value = nested[key];
 
       if (value != null) {
-        nested[key] = clone(Object(value));
+        nested[path[index]] = clone(index == lastIndex ? value : Object(value));
       }
       nested = nested[key];
     }
diff --git a/test/test-fp.js b/test/test-fp.js
index 775d7eed2..739ceed40 100644
--- a/test/test-fp.js
+++ b/test/test-fp.js
@@ -1474,6 +1474,19 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('fp.update');
+
+  (function() {
+    QUnit.test('should not convert end of `path` to an object', function(assert) {
+      assert.expect(1);
+
+      var actual = fp.update('a.b')(_.identity)({ 'a': { 'b': 1 } });
+      assert.strictEqual(typeof actual.a.b, 'number');
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('padChars methods');
 
   _.each(['padChars', 'padCharsStart', 'padCharsEnd'], function(methodName) {