1  var arrayMap = require('./_arrayMap'),
 2      baseIteratee = require('./_baseIteratee'),
 3      basePickBy = require('./_basePickBy'),
 4      getAllKeysIn = require('./_getAllKeysIn');
 5  
 6  /**
 7   * Creates an object composed of the `object` properties `predicate` returns
 8   * truthy for. The predicate is invoked with two arguments: (value, key).
 9   *
10   * @static
11   * @memberOf _
12   * @since 4.0.0
13   * @category Object
14   * @param {Object} object The source object.
15   * @param {Function} [predicate=_.identity] The function invoked per property.
16   * @returns {Object} Returns the new object.
17   * @example
18   *
19   * var object = { 'a': 1, 'b': '2', 'c': 3 };
20   *
21   * _.pickBy(object, _.isNumber);
22   * // => { 'a': 1, 'c': 3 }
23   */
24  function pickBy(object, predicate) {
25    if (object == null) {
26      return {};
27    }
28    var props = arrayMap(getAllKeysIn(object), function(prop) {
29      return [prop];
30    });
31    predicate = baseIteratee(predicate);
32    return basePickBy(object, props, function(value, path) {
33      return predicate(value, path[0]);
34    });
35  }
36  
37  module.exports = pickBy;