node package manager
It’s your turn. Help us improve JavaScript. Take the 2017 JavaScript Ecosystem Survey »


Walks recursively down the file tree starting from the current directory executing functions on arbitrary file types.


function log(file) { console.log(file) }
// print the path of json or ruby files 
explore("json|rb", log);

It can also accept an array of callbacks and a starting directory

explore(fileTypes, callbacks, startingPath, errCallback)
  • fileTypes string
  • callbacks function or array of functions
  • startingPath string (absolute)
  • errCallback function where first arg is error