1  var baseGet = require('./_baseGet'),
 2      baseSet = require('./_baseSet');
 3  
 4  /**
 5   * The base implementation of `_.update`.
 6   *
 7   * @private
 8   * @param {Object} object The object to modify.
 9   * @param {Array|string} path The path of the property to update.
10   * @param {Function} updater The function to produce the updated value.
11   * @param {Function} [customizer] The function to customize path creation.
12   * @returns {Object} Returns `object`.
13   */
14  function baseUpdate(object, path, updater, customizer) {
15    return baseSet(object, path, updater(baseGet(object, path)), customizer);
16  }
17  
18  module.exports = baseUpdate;