camelCase the things

loadashMixins.js

import _ from 'lodash'

// Transforms a function into a deep function
_.mixin({
  deeply: function (map) {
    var deeplyArray = function (obj, fn) {
      return obj.map(function(x) {
        return _.isPlainObject(x) ? _.deeply(map)(x, fn) : x;
      })
    }

    return function (obj, fn) {
      if (_.isArray(obj)) {
        return deeplyArray(obj, fn);
      }

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

otherThing.js

import _ from 'lodash'
import '@/tools/lodashMixins'

// response is a Promise

let response = await fetch( ... some stuff ... )
if (response.ok || response.status == 304) {
  let pieces = _.deeply(_.mapKeys) 
    (await response.json(), (v, k) => _.camelCase(k))
}