const findAllPosts = require('find-posts/find-all-posts.js');

findAllPosts({
  dirs: [
    {
      path: path.resolve(cwd, './posts/foo/'),
      regexes: [ /^(\d\d\d\d)-(\d\d)-(\d\d)-(.*)\.html\.md$/; ],
    },
    {
      path: path.resolve(cwd, './posts/bar/'),
      regexes: [ /^(.+)\.html$/ ],
    }
  ],
})
.then((data) => {
  // look in data for posts
});