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- var arrayMap = require('./_arrayMap'),
- baseIteratee = require('./_baseIteratee'),
- basePickBy = require('./_basePickBy'),
- getAllKeysIn = require('./_getAllKeysIn');
- /**
- * Creates an object composed of the `object` properties `predicate` returns
- * truthy for. The predicate is invoked with two arguments: (value, key).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The source object.
- * @param {Function} [predicate=_.identity] The function invoked per property.
- * @returns {Object} Returns the new object.
- * @example
- *
- * var object = { 'a': 1, 'b': '2', 'c': 3 };
- *
- * _.pickBy(object, _.isNumber);
- * // => { 'a': 1, 'c': 3 }
- */
- function pickBy(object, predicate) {
- if (object == null) {
- return {};
- }
- var props = arrayMap(getAllKeysIn(object), function(prop) {
- return [prop];
- });
- predicate = baseIteratee(predicate);
- return basePickBy(object, props, function(value, path) {
- return predicate(value, path[0]);
- });
- }
- module.exports = pickBy;
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