Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
|
-
Property mode
set to
100644
|
File size:
1.0 KB
|
Line | |
---|
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;
|
---|
Note:
See
TracBrowser
for help on using the repository browser.