matchdep 
Use minimatch to filter npm module dependencies by name.
Examples
var matchdep = require('matchdep');
// Filter dependencies (with autoloading of package.json from cwd)
matchdep.filter('mini*');
// Filter devDependencies (with config string indicating file to be required)
matchdep.filterDev('grunt-contrib*', './package.json');
// Filter all dependencies (with explicit config provided)
matchdep.filterAll('*', require('./package.json'));Usage
filter(pattern, config)
filterDev(pattern, config)
filterAll(pattern, config)pattern
Type: String
Default: none
minimatch compatible pattern to filter dependencies.
config
Type: String or Object
Default: path.resolve(process.cwd(),'package.json')
If config is a string, matchdep will attempt to require it. If it is an object, it will be used directly.