From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 node_modules/core-js/modules/$.iter-detect.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 node_modules/core-js/modules/$.iter-detect.js

(limited to 'node_modules/core-js/modules/$.iter-detect.js')

diff --git a/node_modules/core-js/modules/$.iter-detect.js b/node_modules/core-js/modules/$.iter-detect.js
new file mode 100644
index 000000000..bff5fffb4
--- /dev/null
+++ b/node_modules/core-js/modules/$.iter-detect.js
@@ -0,0 +1,21 @@
+var ITERATOR     = require('./$.wks')('iterator')
+  , SAFE_CLOSING = false;
+
+try {
+  var riter = [7][ITERATOR]();
+  riter['return'] = function(){ SAFE_CLOSING = true; };
+  Array.from(riter, function(){ throw 2; });
+} catch(e){ /* empty */ }
+
+module.exports = function(exec, skipClosing){
+  if(!skipClosing && !SAFE_CLOSING)return false;
+  var safe = false;
+  try {
+    var arr  = [7]
+      , iter = arr[ITERATOR]();
+    iter.next = function(){ return {done: safe = true}; };
+    arr[ITERATOR] = function(){ return iter; };
+    exec(arr);
+  } catch(e){ /* empty */ }
+  return safe;
+};
\ No newline at end of file
-- 
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