var resolver = require('github-linker-resolverr');
 
resolver('user/repo'); 
// https://github.com/user/repo
 
resolver('user/repo#master'); 
// https://github.com/user/repo/tree/master
 
resolver('../../index.js', 'https://github.com/user/repo/blob/master/lib/utils/math.js'); 
// https://github.com/user/repo/blob/master/index.js
 
resolver('user/repo@master'); 
// https://github.com/user/tree/master
 
resolver('user/repo@master:/folder/file.js');
// https://github.com/user/repo/blob/master/folder/file.js