lodash/internal/baseGet.js

define(['./toObject'], function(toObject) {

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

  /**
   * The base implementation of `get` without support for string paths
   * and default values.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} path The path of the property to get.
   * @param {string} [pathKey] The key representation of path.
   * @returns {*} Returns the resolved value.
   */
  function baseGet(object, path, pathKey) {
    if (object == null) {
      return;
    }
    if (pathKey !== undefined && pathKey in toObject(object)) {
      path = [pathKey];
    }
    var index = 0,
        length = path.length;

    while (object != null && index < length) {
      object = object[path[index++]];
    }
    return (index && index == length) ? object : undefined;
  }

  return baseGet;
});