gistfile1.js

'use strict';
 
var fs = require('fs');
var glob = require('glob');
var path = require('path');
var yaml = require('js-yaml');
 
 
module.exports = function(dataDir) {
  var payload = {},
      files = glob.sync(dataDir.replace(/\/?$/, '/') + '**/*.{json,yaml,yml}');

  files.forEach(function(file) {
    var props = path.parse(file);
    var extension = props.ext;
    var basename = props.name;

    var data;

    if (extension === '.json') {
      data = JSON.parse(fs.readFileSync(file, 'utf8'));
    } else if (extension === '.yaml' || extension === '.yml') {
      data = yaml.safeLoad(fs.readFileSync(file, 'utf8'));
    } else {
      return;
    }

    var obj = payload;

    var dirs = props.dir.split(path.sep);
    dirs.shift(); // dump the root dataDir

    dirs.forEach(function(dir) {
      if (!obj.hasOwnProperty(dir)) {
        obj[dir] = {};
      }
      obj = obj[dir];
    });

    obj[basename] = data;
  });
 
  return payload; // Does not work for async reasons I understand, but need to make play along
}