Ordering JSON document properties alphabetically

jsonPropertySort.js

function sortProperties(objToSort) {
  var properties = Object.keys(objToSort).sort();
  var result = {};
  properties.forEach(function (prop) {
    if (!objToSort[prop]) {
      result[prop] = objToSort[prop];
    }
    else if (Array.isArray(objToSort[prop])){
      result[prop] = objToSort[prop].map(sortProperties);
    }
    else if (typeof objToSort[prop] === 'object') {
      result[prop] = sortProperties(objToSort[prop]);
    }
    else {
      result[prop] = objToSort[prop];
    }
  });
  return result;
}

['./jsonFile'].forEach(function (location) {
  console.log(location, JSON.stringify(sortProperties(require(location)), null, 2));
});