Sha256: 7423055900eecb05be3fc390fba16ebdedfd411f1b7b00934643c138fbbde361
Contents?: true
Size: 568 Bytes
Versions: 20
Compression:
Stored size: 568 Bytes
Contents
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(){ safe = true; };
arr[ITERATOR] = function(){ return iter; };
exec(arr);
} catch(e){ /* empty */ }
return safe;
};
Version data entries
20 entries across 10 versions & 3 rubygems