const fs = require('fs') const paths = ['C:/libjpeg-turbo'] if (process.arch === 'x64') { paths.unshift('C:/libjpeg-turbo64') } paths.forEach(function (path) { if (exists(path)) { process.stdout.write(path) process.exit() } }) function exists (path) { try { return fs.lstatSync(path).isDirectory() } catch (e) { return false } }