nest map for ramda

nestedMap.js

import {
  ifElse,
  map,
  partial,
} from 'ramda'

const isObject = input => typeof input === 'object'

/**
 * Like map but for deeply nested objects
 *
 * @param {Function} f function to apply
 * @param {Object} obj
 */
const nestedMap = (f, obj) => map(ifElse(isObject, partial(nestedMap, [f]), f), obj)

// verify
nestedMap(x => x + 5, [1, [[[2]]]])
// [
//   6,
//   [
//     [
//       [
//          7
//       ]
//     ]
//   ]
// ]

nestedMap(x => x + 5, {a: 1, b: { c: { d: 2 }}})
// {"a":6,"b":{"c":{"d":7}}}