From 82a7c01898257edb9d9399735bac823ace630b30 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Thu, 13 Sep 2012 00:04:53 -0700
Subject: [PATCH] Simplify "underscore" build of `_.clone`.

Former-commit-id: 32975bb5966f1ded4f007eb76dcf2d4677478e7d
---
 build.js | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/build.js b/build.js
index 446cf3d16..81bf00bde 100755
--- a/build.js
+++ b/build.js
@@ -826,23 +826,16 @@
         // remove `deep` clone functionality
         source = source.replace(/( +)function clone[\s\S]+?\n\1}/, [
           '  function clone(value) {',
-          '    if (value == null) {',
-          '      return value;',
-          '    }',
-          '    var isObj = objectTypes[typeof value];',
-          '    if (isObj && value.clone && isFunction(value.clone)) {',
-          '      return value.clone(deep);',
-          '    }',
-          '    if (isObj) {',
+          '    if (value && objectTypes[typeof value]) {',
           '      var className = toString.call(value);',
           '      if (!cloneableClasses[className] || (noArgsClass && isArguments(value))) {',
-          '        return value;',
+          '        return value',
           '      }',
-          '      var isArr = className == arrayClass;',
+          '      return className == arrayClass',
+          '        ? slice.call(value)',
+          '        : extend({}, value)',
           '    }',
-          '    return isObj',
-          '      ? (isArr ? slice.call(value) : extend({}, value))',
-          '      : value;',
+          '    return value',
           '  }'
         ].join('\n'));
       }