githubmirror/lodash

_baseGet.js

27 строк731 B

John-David Dalton

Bump to v4.17.1.

15 ноя 2016, 07:54

15 ноя 2016, 07:5476b7758

define(['./_castPath', './_toKey'], function(castPath, toKey) {

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

  /**
   * The base implementation of `_.get` without support for default values.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array|string} path The path of the property to get.
   * @returns {*} Returns the resolved value.
   */
  function baseGet(object, path) {
    path = castPath(path, object);

    var index = 0,
        length = path.length;

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

  return baseGet;
});