_getNative.js
 1  var baseIsNative = require('./_baseIsNative'),
 2      getValue = require('./_getValue');
 3  
 4  /**
 5   * Gets the native function at `key` of `object`.
 6   *
 7   * @private
 8   * @param {Object} object The object to query.
 9   * @param {string} key The key of the method to get.
10   * @returns {*} Returns the function if it's native, else `undefined`.
11   */
12  function getNative(object, key) {
13    var value = getValue(object, key);
14    return baseIsNative(value) ? value : undefined;
15  }
16  
17  module.exports = getNative;