_baseInvoke.js

define(['./_apply', './_castPath', './last', './_parent', './_toKey'], function(apply, castPath, last, parent, toKey) {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /**
   * The base implementation of `_.invoke` without support for individual
   * method arguments.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array|string} path The path of the method to invoke.
   * @param {Array} args The arguments to invoke the method with.
   * @returns {*} Returns the result of the invoked method.
   */
  function baseInvoke(object, path, args) {
    path = castPath(path, object);
    object = parent(object, path);
    var func = object == null ? object : object[toKey(last(path))];
    return func == null ? undefined : apply(func, object, args);
  }

  return baseInvoke;
});