3 // Call this function in a another function to find out the file from
4 // which that function was called from. (Inspects the v8 stack trace)
6 // Inspired by http://stackoverflow.com/questions/13227489
8 module.exports = function getCallerFile(_position) {
9 var oldPrepareStackTrace = Error.prepareStackTrace;
10 Error.prepareStackTrace = function(err, stack) { return stack; };
11 var stack = new Error().stack;
12 Error.prepareStackTrace = oldPrepareStackTrace;
14 var position = _position ? _position : 2;
16 // stack[0] holds this file
17 // stack[1] holds where this function was called
18 // stack[2] holds the file we're interested in
19 return stack[position] ? stack[position].getFileName() : undefined;