1 files changed, 25 insertions, 34 deletions

diff --git a/node_modules/fast-deep-equal/index.js b/node_modules/fast-deep-equal/index.js
index 7aaaba3f6..30dd1ba78 100644
--- a/node_modules/fast-deep-equal/index.js
+++ b/node_modules/fast-deep-equal/index.js
@@ -1,55 +1,46 @@
 'use strict';
 
-var isArray = Array.isArray;
-var keyList = Object.keys;
-var hasProp = Object.prototype.hasOwnProperty;
+// do not edit .js files directly - edit src/index.jst
+
+
 
 module.exports = function equal(a, b) {
   if (a === b) return true;
 
-  var arrA = isArray(a)
-    , arrB = isArray(b)
-    , i
-    , length
-    , key;
-
-  if (arrA && arrB) {
-    length = a.length;
-    if (length != b.length) return false;
-    for (i = 0; i < length; i++)
-      if (!equal(a[i], b[i])) return false;
-    return true;
-  }
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
 
-  if (arrA != arrB) return false;
 
-  var dateA = a instanceof Date
-    , dateB = b instanceof Date;
-  if (dateA != dateB) return false;
-  if (dateA && dateB) return a.getTime() == b.getTime();
 
-  var regexpA = a instanceof RegExp
-    , regexpB = b instanceof RegExp;
-  if (regexpA != regexpB) return false;
-  if (regexpA && regexpB) return a.toString() == b.toString();
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
 
-  if (a instanceof Object && b instanceof Object) {
-    var keys = keyList(a);
+    keys = Object.keys(a);
     length = keys.length;
+    if (length !== Object.keys(b).length) return false;
 
-    if (length !== keyList(b).length)
-      return false;
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
 
-    for (i = 0; i < length; i++)
-      if (!hasProp.call(b, keys[i])) return false;
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
 
-    for (i = 0; i < length; i++) {
-      key = keys[i];
       if (!equal(a[key], b[key])) return false;
     }
 
     return true;
   }
 
-  return false;
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
 };