ext-name 
Get the file extension and MIME type from a file
Install
$ npm install --save ext-name
Usage
const extName = require('ext-name');
console.log(extName('foobar.tar'));
//=> [{ext: 'tar', mime: 'application/x-tar'}]
console.log(extName.mime('application/x-tar'));
//=> [{ext: 'tar', mime: 'application/x-tar'}]
API
extName(filename)
Returns an Array with objects with the file extension and MIME type.
filename
Type: string
Get the extension and MIME type from a filename.
extName.mime(mimetype)
Returns an Array with objects with the file extension and MIME type.
mimetype
Type: string
Get the extension and MIME type from a MIME type.
License
MIT © Kevin Mårtensson