'use strict'; const promisify = require('./promisify'); const fs = require('fs'); const mkdirp = require('mkdirp'); exports.readFile = promisify(fs.readFile); exports.writeFile = promisify(fs.writeFile); exports.stat = promisify(fs.stat); exports.readdir = promisify(fs.readdir); exports.unlink = promisify(fs.unlink); exports.realpath = promisify(fs.realpath); exports.exists = function (filename) { return new Promise(resolve => { fs.exists(filename, resolve); }); }; exports.mkdirp = promisify(mkdirp);