recursively remove object values by key - lodash mixin

removeDeepByKey.js

import _ from 'lodash';

// usage: _.removeDeepByKey(someObject, 'unwantedKey');

_.mixin({
    'removeDeepByKey': function(obj, keyToBeRemoved) {
        return _.transform(obj, function(result, value, key) {
            if (_.isObject(value)) {
                value = _.removeDeepByKey(value, keyToBeRemoved);
            }
            if (key !== keyToBeRemoved) {
                _.isArray(obj) ? result.push(value) : result[key] = value;
            }
        });
    }
});