is-directory-promise/index.js

Checks if a path is directory and returns promise

'use strict';

const fs = require('fs');
const isString = require('is-string');

module.exports = (path) => {
  return new Promise((resolve, reject) => {
    if (!isString(path)) return reject('the path argument must be a string');
    try {
      const status = fs.lstatSync(path);
      resolve(status.isDirectory());
    }
    catch (err) {
      resolve(false);
    }
  });
};