'use strict'; var os = require('os'); var nameMap = { '15': 'El Capitan', '14': 'Yosemite', '13': 'Mavericks', '12': 'Mountain Lion', '11': 'Lion', '10': 'Snow Leopard', '9': 'Leopard', '8': 'Tiger', '7': 'Panther', '6': 'Jaguar', '5': 'Puma' }; module.exports = function (release) { release = (release || os.release()).split('.')[0]; return { name: nameMap[release], version: '10.' + (Number(release) - 4) }; };