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