1
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var assignValue = require('./_assignValue'),
|
2
|
castPath = require('./_castPath'),
|
3
|
isIndex = require('./_isIndex'),
|
4
|
isObject = require('./isObject'),
|
5
|
toKey = require('./_toKey');
|
6
|
|
7
|
/**
|
8
|
* The base implementation of `_.set`.
|
9
|
*
|
10
|
* @private
|
11
|
* @param {Object} object The object to modify.
|
12
|
* @param {Array|string} path The path of the property to set.
|
13
|
* @param {*} value The value to set.
|
14
|
* @param {Function} [customizer] The function to customize path creation.
|
15
|
* @returns {Object} Returns `object`.
|
16
|
*/
|
17
|
function baseSet(object, path, value, customizer) {
|
18
|
if (!isObject(object)) {
|
19
|
return object;
|
20
|
}
|
21
|
path = castPath(path, object);
|
22
|
|
23
|
var index = -1,
|
24
|
length = path.length,
|
25
|
lastIndex = length - 1,
|
26
|
nested = object;
|
27
|
|
28
|
while (nested != null && ++index < length) {
|
29
|
var key = toKey(path[index]),
|
30
|
newValue = value;
|
31
|
|
32
|
if (index != lastIndex) {
|
33
|
var objValue = nested[key];
|
34
|
newValue = customizer ? customizer(objValue, key, nested) : undefined;
|
35
|
if (newValue === undefined) {
|
36
|
newValue = isObject(objValue)
|
37
|
? objValue
|
38
|
: (isIndex(path[index + 1]) ? [] : {});
|
39
|
}
|
40
|
}
|
41
|
assignValue(nested, key, newValue);
|
42
|
nested = nested[key];
|
43
|
}
|
44
|
return object;
|
45
|
}
|
46
|
|
47
|
module.exports = baseSet;
|