1 var arrayMap = require('./_arrayMap'),
2 baseIteratee = require('./_baseIteratee'),
3 basePickBy = require('./_basePickBy'),
4 getAllKeysIn = require('./_getAllKeysIn');
7 * Creates an object composed of the `object` properties `predicate` returns
8 * truthy for. The predicate is invoked with two arguments: (value, key).
14 * @param {Object} object The source object.
15 * @param {Function} [predicate=_.identity] The function invoked per property.
16 * @returns {Object} Returns the new object.
19 * var object = { 'a': 1, 'b': '2', 'c': 3 };
21 * _.pickBy(object, _.isNumber);
22 * // => { 'a': 1, 'c': 3 }
24 function pickBy(object, predicate) {
28 var props = arrayMap(getAllKeysIn(object), function(prop) {
31 predicate = baseIteratee(predicate);
32 return basePickBy(object, props, function(value, path) {
33 return predicate(value, path[0]);
37 module.exports = pickBy;