use directories for structure

node_modules/fast-deep-equal/index.js

@@ -1,20 +1,17 @@
 '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;
 
   if (a && b && typeof a == 'object' && typeof b == 'object') {
-    var arrA = isArray(a)
-      , arrB = isArray(b)
-      , i
-      , length
-      , key;
+    if (a.constructor !== b.constructor) return false;
 
-    if (arrA && arrB) {
+    var length, i, keys;
+    if (Array.isArray(a)) {
       length = a.length;
       if (length != b.length) return false;
       for (i = length; i-- !== 0;)
@@ -22,34 +19,28 @@ module.exports = function equal(a, b) {
       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();
 
-    var keys = keyList(a);
+    keys = Object.keys(a);
     length = keys.length;
-
-    if (length !== keyList(b).length)
-      return false;
+    if (length !== Object.keys(b).length) return false;
 
     for (i = length; i-- !== 0;)
-      if (!hasProp.call(b, keys[i])) return false;
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
 
     for (i = length; i-- !== 0;) {
-      key = keys[i];
+      var key = keys[i];
+
       if (!equal(a[key], b[key])) return false;
     }
 
     return true;
   }
 
+  // true if both NaN, false otherwise
   return a!==a && b!==b;
 };