From 80f6990a436955220c4807f8e7473a72f636eedc Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sat, 12 Sep 2015 22:29:19 -0700
Subject: [PATCH] Remove value guards in `baseDifference` and
 `baseSortedUniqBy`.

---
 lodash.js | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lodash.js b/lodash.js
index 5289ad8ef..d7f68075e 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1939,7 +1939,7 @@
      * @returns {Array} Returns the new array of filtered values.
      */
     function baseDifference(array, values) {
-      var length = array ? array.length : 0,
+      var length = array.length,
           result = [];
 
       if (!length) {
@@ -2848,13 +2848,10 @@
      * @returns {Array} Returns the new duplicate free array.
      */
     function baseSortedUniqBy(array, iteratee) {
-      var length = array.length;
-      if (!length) {
-        return [];
-      }
       var index = 0,
           indexOf = getIndexOf(),
           isCommon = indexOf === baseIndexOf,
+          length = array.length,
           value = array[0],
           computed = iteratee ? iteratee(value) : value,
           seen = isCommon ? computed : [computed],
@@ -5743,7 +5740,9 @@
             : array;
         }
       }
-      return result ? baseUniq(result) : [];
+      return (result && result.length)
+        ? baseUniq(result)
+        : [];
     }
 
     /**