tildify 
 
Convert an absolute path to a tilde path:
/Users/sindresorhus/dev→~/dev
Install
$ npm install tildify
Usage
const tildify = require('tildify');
tildify('/Users/sindresorhus/dev');
//=> '~/dev' 
Related
See untildify for the inverse.
 JarCasting
 JarCasting