An implementation of Ramda's `evolve` function in lodash.

ramda-evolve-in-lodash-fp.js

// http://stackoverflow.com/questions/38090023/whats-the-lodash-fp-equivalent-of-ramdas-evolve-function/38425764#38425764

const mapValuesWithKey = _.mapValues.convert({cap: false});

function evolve(transformations) {
  return item =>
    mapValuesWithKey((value, key) => {
      const transformation = _.getOr(_.identity)(key)(transformations);
      const type = typeof transformation;
      return type === 'function' ?
        transformation(value) :
        transformation && type === 'object' ?
          evolve(transformation)(value) :
          value;
    })(item);
}