# junk > Filter out [system junk files](test.js) like `.DS_Store` and `Thumbs.db` ## Install ``` $ npm install junk ``` ## Usage ```js import fs from 'node:fs/promises'; import {isNotJunk} from 'junk'; const files = await fs.readdir('some/path'); console.log(files); //=> ['.DS_Store', 'test.jpg'] console.log(files.filter(isNotJunk)); //=> ['test.jpg'] ``` ## API ### isJunk(filename) Returns `true` if `filename` matches a junk file. ### isNotJunk(filename) Returns `true` if `filename` does not match a junk file. ### junkRegex Regex used for matching junk files.