1'use strict'; 2var os = require('os'); 3 4function homedir() { 5 var env = process.env; 6 var home = env.HOME; 7 var user = env.LOGNAME || env.USER || env.LNAME || env.USERNAME; 8 9 if (process.platform === 'win32') { 10 return env.USERPROFILE || env.HOMEDRIVE + env.HOMEPATH || home || null; 11 } 12 13 if (process.platform === 'darwin') { 14 return home || (user ? '/Users/' + user : null); 15 } 16 17 if (process.platform === 'linux') { 18 return home || (process.getuid() === 0 ? '/root' : (user ? '/home/' + user : null)); 19 } 20 21 return home || null; 22} 23 24module.exports = typeof os.homedir === 'function' ? os.homedir : homedir; 25