const { join } = require('path'); const mkdirplz = require('./src'); const dirpath = join('hello', 'world', 'sync'); const filepath = join('hello', 'world', 'async', 'file.js'); (async function() { await mkdirplz(''); await mkdirplz('./'); await mkdirplz('/'); await mkdirplz(dirpath); await mkdirplz(filepath, { filepath: true }); })();