add node_modules to address #4364

1 files changed, 16 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es6.reflect.prevent-extensions.js b/node_modules/core-js/modules/es6.reflect.prevent-extensions.js
new file mode 100644
index 000000000..d3dad8ee4
--- /dev/null
+++ b/node_modules/core-js/modules/es6.reflect.prevent-extensions.js
@@ -0,0 +1,16 @@
+// 26.1.12 Reflect.preventExtensions(target)
+var $export            = require('./_export')
+  , anObject           = require('./_an-object')
+  , $preventExtensions = Object.preventExtensions;
+
+$export($export.S, 'Reflect', {
+  preventExtensions: function preventExtensions(target){
+    anObject(target);
+    try {
+      if($preventExtensions)$preventExtensions(target);
+      return true;
+    } catch(e){
+      return false;
+    }
+  }
+});
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