'use strict'; var fs = require('fs'); /** * @param {string} source * @param {string} target * @return {boolean} */ function isStale(source, target) { if (!fs.existsSync(target)) { return true; } var sourceTime = fs.statSync(source).mtime; var targetTime = fs.statSync(target).mtime; return sourceTime.getTime() > targetTime.getTime(); } module.exports = { isStale: isStale };