modifiedFiles.js

import fs from 'fs';
import path from 'path';
import Promise from 'bluebird';

Promise.promisify(fs);

export default directoryModified(dirPath) {
  return fs.readdirAsync(dirPath)
    .then((fileListing) => {
      return Promise.all(fileListing.map((file) => {
        return fs.statAsync(path.join(dirPath, file))
          .then((stats) => {
            return Object.assign({}, stats, { name: file });
          });
      });
    })
  ;
}