const { promisify } = require('util') const fs = require('fs') const optsArg = opts => { if (!opts) opts = { mode: 0o777, fs } else if (typeof opts === 'object') opts = { mode: 0o777, fs, ...opts } else if (typeof opts === 'number') opts = { mode: opts, fs } else if (typeof opts === 'string') opts = { mode: parseInt(opts, 8), fs } else throw new TypeError('invalid options argument') opts.mkdir = opts.mkdir || opts.fs.mkdir || fs.mkdir opts.mkdirAsync = promisify(opts.mkdir) opts.stat = opts.stat || opts.fs.stat || fs.stat opts.statAsync = promisify(opts.stat) opts.statSync = opts.statSync || opts.fs.statSync || fs.statSync opts.mkdirSync = opts.mkdirSync || opts.fs.mkdirSync || fs.mkdirSync return opts } module.exports = optsArg