How to deeply map object keys with JavaScript (lodash)?

Question

https://lodash.com/docs#mapKeys

Is it possible to map an Object\'s keys deeply using Lodash? If not, is there another library providing this functionality (if grouped wi

Answer 1

In extention of georg's answer, here's what I'm using. This extended mixin adds the ability to map arrays of objects within the object too, a simple but important change.

_.mixin({
    deeply: function (map) {
      return function (obj, fn) {
        return map(_.mapValues(obj, function (v) {
          return _.isPlainObject(v) ? _.deeply(map)(v, fn) : _.isArray(v) ? v.map(function(x) {
            return _.deeply(map)(x, fn);
          }) : v;
        }), fn);
      }
    },
  });