From 59278a7a8539f638166d16374bdea0884bc0d15c Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 9 Oct 2015 12:58:10 -0700
Subject: [PATCH] Reduce `baseExtremum`.

---
 lodash.js | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/lodash.js b/lodash.js
index cef57e0f1..6e420a435 100644
--- a/lodash.js
+++ b/lodash.js
@@ -624,28 +624,19 @@
    * @returns {*} Returns the extremum value.
    */
   function baseExtremum(array, iteratee, comparator) {
-    var computed,
-        result,
-        index = -1,
+    var index = -1,
         length = array.length;
 
     while (++index < length) {
       var value = array[index],
           current = iteratee(value);
 
-      if (current === current && current != null) {
-        computed = current;
-        result = value;
-        break;
-      }
-    }
-    while (++index < length) {
-      var value = array[index],
-          current = iteratee(value);
-
-      if (current != null && comparator(current, computed)) {
-        computed = current;
-        result = value;
+      if (current != null && (computed === undefined
+            ? current === current
+            : comparator(current, computed)
+          )) {
+        var computed = current,
+            result = value;
       }
     }
     return result;