source: trip-planner-front/node_modules/lodash/_baseSet.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
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1var 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 */
17function 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 (key === '__proto__' || key === 'constructor' || key === 'prototype') {
33 return object;
34 }
35
36 if (index != lastIndex) {
37 var objValue = nested[key];
38 newValue = customizer ? customizer(objValue, key, nested) : undefined;
39 if (newValue === undefined) {
40 newValue = isObject(objValue)
41 ? objValue
42 : (isIndex(path[index + 1]) ? [] : {});
43 }
44 }
45 assignValue(nested, key, newValue);
46 nested = nested[key];
47 }
48 return object;
49}
50
51module.exports = baseSet;
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