21 lines
725 B
JavaScript
21 lines
725 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
// Call this function in a another function to find out the file from
|
||
|
|
// which that function was called from. (Inspects the v8 stack trace)
|
||
|
|
//
|
||
|
|
// Inspired by http://stackoverflow.com/questions/13227489
|
||
|
|
|
||
|
|
module.exports = function getCallerFile(_position) {
|
||
|
|
var oldPrepareStackTrace = Error.prepareStackTrace;
|
||
|
|
Error.prepareStackTrace = function(err, stack) { return stack; };
|
||
|
|
var stack = new Error().stack;
|
||
|
|
Error.prepareStackTrace = oldPrepareStackTrace;
|
||
|
|
|
||
|
|
var position = _position ? _position : 2;
|
||
|
|
|
||
|
|
// stack[0] holds this file
|
||
|
|
// stack[1] holds where this function was called
|
||
|
|
// stack[2] holds the file we're interested in
|
||
|
|
return stack[position] ? stack[position].getFileName() : undefined;
|
||
|
|
};
|