1# get-caller-file 2 3[](https://travis-ci.org/stefanpenner/get-caller-file) 4[](https://ci.appveyor.com/project/embercli/get-caller-file/branch/master) 5 6This is a utility, which allows a function to figure out from which file it was invoked. It does so by inspecting v8's stack trace at the time it is invoked. 7 8Inspired by http://stackoverflow.com/questions/13227489 9 10*note: this relies on Node/V8 specific APIs, as such other runtimes may not work* 11 12## Installation 13 14```bash 15yarn add get-caller-file 16``` 17 18## Usage 19 20Given: 21 22```js 23// ./foo.js 24const getCallerFile = require('get-caller-file'); 25 26module.exports = function() { 27 return getCallerFile(); // figures out who called it 28}; 29``` 30 31```js 32// index.js 33const foo = require('./foo'); 34 35foo() // => /full/path/to/this/file/index.js 36``` 37 38 39## Options: 40 41* `getCallerFile(position = 2)`: where position is stack frame whos fileName we want. 42
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