You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
1.1 KiB
22 lines
1.1 KiB
"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) {
|
|
if (position === void 0) { position = 2; }
|
|
if (position >= Error.stackTraceLimit) {
|
|
throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' + position + '` and Error.stackTraceLimit was: `' + Error.stackTraceLimit + '`');
|
|
}
|
|
var oldPrepareStackTrace = Error.prepareStackTrace;
|
|
Error.prepareStackTrace = function (_, stack) { return stack; };
|
|
var stack = new Error().stack;
|
|
Error.prepareStackTrace = oldPrepareStackTrace;
|
|
if (stack !== null && typeof stack === 'object') {
|
|
// 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;
|
|
}
|
|
};
|
|
//# sourceMappingURL=index.js.map
|