vm context with accessors

true copy of sandbox properties

catch sealed errors, pass global's prototype to CloneObject

Fixes #1673

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/vm.js b/lib/vm.js
index d3348afac5..45f0f59150 100644
--- a/lib/vm.js
+++ b/lib/vm.js
@@ -21,6 +21,19 @@
 
 var binding = process.binding('evals');
 
+binding.NodeScript._setCloneMethod(function(source, target) {
+  Object.getOwnPropertyNames(source).forEach(function(key) {
+    try {
+      var desc = Object.getOwnPropertyDescriptor(source, key);
+      if (desc.value === source) desc.value = target;
+
+      Object.defineProperty(target, key, desc);
+    } catch (e) {
+      // Catch sealed properties errors
+    }
+  });
+});
+
 exports.Script = binding.NodeScript;
 exports.createScript = function(code, ctx, name) {
   return new exports.Script(code, ctx, name);