From 4f655e71d9a1d2bbe0eae321f11111e27c18adc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9sar=20Izurieta?= <cesar@caih.org>
Date: Sun, 5 Apr 2015 04:39:36 -0300
Subject: [PATCH 1/2] Make deepCopy work correctly with arrays

---
 lib/ace/lib/lang.js | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/ace/lib/lang.js b/lib/ace/lib/lang.js
index 863bbb55..13b76f77 100644
--- a/lib/ace/lib/lang.js
+++ b/lib/ace/lib/lang.js
@@ -89,13 +89,24 @@ exports.deepCopy = function (obj) {
         return obj;
     
     var copy = cons();
-    for (var key in obj) {
-        if (typeof obj[key] === "object") {
-            copy[key] = exports.deepCopy(obj[key]);
-        } else {
-            copy[key] = obj[key];
+    if (Array.isArray(obj)) {
+        for (var key = 0; key < obj.length; key++) {
+            if (typeof obj[key] === "object") {
+                copy[key] = exports.deepCopy(obj[key]);
+            } else {
+                copy[key] = obj[key];
+            }
+        }
+    } else {
+        for (var key in obj) {
+            if (typeof obj[key] === "object") {
+                copy[key] = exports.deepCopy(obj[key]);
+            } else {
+                copy[key] = obj[key];
+            }
         }
     }
+
     return copy;
 };
 

From 510d060cb2bea76cfb79b56d5ca2955964ae6510 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Thu, 9 Apr 2015 14:09:03 +0400
Subject: [PATCH 2/2] cleanup

---
 lib/ace/lib/lang.js | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/lib/ace/lib/lang.js b/lib/ace/lib/lang.js
index 13b76f77..921dee1d 100644
--- a/lib/ace/lib/lang.js
+++ b/lib/ace/lib/lang.js
@@ -81,32 +81,25 @@ exports.copyArray = function(array){
     return copy;
 };
 
-exports.deepCopy = function (obj) {
+exports.deepCopy = function deepCopy(obj) {
     if (typeof obj !== "object" || !obj)
         return obj;
+    var copy;
+    if (Array.isArray(obj)) {
+        copy = [];
+        for (var key = 0; key < obj.length; key++) {
+            copy[key] = deepCopy(obj[key]);
+        }
+        return copy;
+    }
     var cons = obj.constructor;
     if (cons === RegExp)
         return obj;
     
-    var copy = cons();
-    if (Array.isArray(obj)) {
-        for (var key = 0; key < obj.length; key++) {
-            if (typeof obj[key] === "object") {
-                copy[key] = exports.deepCopy(obj[key]);
-            } else {
-                copy[key] = obj[key];
-            }
-        }
-    } else {
-        for (var key in obj) {
-            if (typeof obj[key] === "object") {
-                copy[key] = exports.deepCopy(obj[key]);
-            } else {
-                copy[key] = obj[key];
-            }
-        }
+    copy = cons();
+    for (var key in obj) {
+        copy[key] = deepCopy(obj[key]);
     }
-
     return copy;
 };