···

       
55
       
55
       
 
       
      : Object.create(null);

     

       
56
       
56
       
 
       
  // Copy all known keys over to the stand-in and recursively apply `withProxy`

     

       
57
       
57
       
 
       
  // Prevent unsafe keys from being accessed

     

       
58
       
58
       
-
       
  const keys = ['__proto__', 'constructor'].concat(Object.getOwnPropertyNames(target));

     

       
58
       
58
       
+
       
  const keys = ["__proto__", "constructor"];

     

       
59
       
59
       
+
       
  try {

     

       
60
       
60
       
+
       
    // Chromium already restricts access to certain globals in an

     

       
61
       
61
       
+
       
    // iframe, this try catch block is to avoid

     

       
62
       
62
       
+
       
    // "Failed to enumerate the properties of 'Storage': access is denied for this document"

     

       
63
       
63
       
+
       
    keys.push(...Object.getOwnPropertyNames(target));

     

       
64
       
64
       
+
       
  } catch (e) {}

     

       
65
       
65
       
+
       


     

       
59
       
66
       
 
       
  for (let i = 0; i < keys.length; i++) {

     

       
60
       
67
       
 
       
    const key = keys[i];

     

       
61
       
68
       
 
       
    if (