junk 
Filter out OS junk files like
.DS_Store
andThumbs.db
Install
$ npm install --save junk
Example
var fs = require('fs');
var junk = require('junk');
fs.readdir('path', function (err, files) {
console.log(files);
//=> ['.DS_Store', 'test.jpg']
console.log(files.filter(junk.not));
//=> ['test.jpg']
});
API
junk.is(filename)
Returns true if filename
matches any of the junk.rules
.
junk.not(filename)
Returns true if filename
doesn't match any of the junk.rules
.
junk.rules
Returns an array of regexes you can match against.