Projekt

Obecné

Profil

Stáhnout (1.05 KB) Statistiky
| Větev: | Revize:
1
var baseUpdate = require('./_baseUpdate'),
2
    castFunction = require('./_castFunction');
3

    
4
/**
5
 * This method is like `_.set` except that accepts `updater` to produce the
6
 * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
7
 * is invoked with one argument: (value).
8
 *
9
 * **Note:** This method mutates `object`.
10
 *
11
 * @static
12
 * @memberOf _
13
 * @since 4.6.0
14
 * @category Object
15
 * @param {Object} object The object to modify.
16
 * @param {Array|string} path The path of the property to set.
17
 * @param {Function} updater The function to produce the updated value.
18
 * @returns {Object} Returns `object`.
19
 * @example
20
 *
21
 * var object = { 'a': [{ 'b': { 'c': 3 } }] };
22
 *
23
 * _.update(object, 'a[0].b.c', function(n) { return n * n; });
24
 * console.log(object.a[0].b.c);
25
 * // => 9
26
 *
27
 * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
28
 * console.log(object.x[0].y.z);
29
 * // => 0
30
 */
31
function update(object, path, updater) {
32
  return object == null ? object : baseUpdate(object, path, castFunction(updater));
33
}
34

    
35
module.exports = update;
(567-567/590)