1
 2module.exports = function(){
 3  var orig = Error.prepareStackTrace;
 4  Error.prepareStackTrace = function(_, stack){ return stack; };
 5  var err = new Error;
 6  Error.captureStackTrace(err, arguments.callee);
 7  var stack = err.stack;
 8  Error.prepareStackTrace = orig;
 9  return stack;
10};