1 | import _curry3 from "./internal/_curry3.js";
|
---|
2 | import _isArray from "./internal/_isArray.js";
|
---|
3 | import _isObject from "./internal/_isObject.js";
|
---|
4 | import _has from "./internal/_has.js";
|
---|
5 | import _assoc from "./internal/_assoc.js";
|
---|
6 | import _modify from "./internal/_modify.js";
|
---|
7 | /**
|
---|
8 | * Creates a shallow clone of the passed object by applying an `fn` function
|
---|
9 | * to the value at the given path.
|
---|
10 | *
|
---|
11 | * The function will not be invoked, and the object will not change
|
---|
12 | * if its corresponding path does not exist in the object.
|
---|
13 | * All non-primitive properties are copied to the new object by reference.
|
---|
14 | *
|
---|
15 | * @func
|
---|
16 | * @memberOf R
|
---|
17 | * @since v0.28.0
|
---|
18 | * @category Object
|
---|
19 | * @sig [Idx] -> (v -> v) -> {k: v} -> {k: v}
|
---|
20 | * @param {Array} path The path to be modified.
|
---|
21 | * @param {Function} fn The function to apply to the path.
|
---|
22 | * @param {Object} object The object to be transformed.
|
---|
23 | * @return {Object} The transformed object.
|
---|
24 | * @example
|
---|
25 | *
|
---|
26 | * const person = {name: 'James', address: { zipCode: '90216' }};
|
---|
27 | * R.modifyPath(['address', 'zipCode'], R.reverse, person); //=> {name: 'James', address: { zipCode: '61209' }}
|
---|
28 | *
|
---|
29 | * // Can handle arrays too
|
---|
30 | * const person = {name: 'James', addresses: [{ zipCode: '90216' }]};
|
---|
31 | * R.modifyPath(['addresses', 0, 'zipCode'], R.reverse, person); //=> {name: 'James', addresses: [{ zipCode: '61209' }]}
|
---|
32 | */
|
---|
33 |
|
---|
34 | var modifyPath =
|
---|
35 | /*#__PURE__*/
|
---|
36 | _curry3(function modifyPath(path, fn, object) {
|
---|
37 | if (!_isObject(object) && !_isArray(object)) {
|
---|
38 | return object;
|
---|
39 | }
|
---|
40 |
|
---|
41 | if (path.length === 0) {
|
---|
42 | return fn(object);
|
---|
43 | }
|
---|
44 |
|
---|
45 | var idx = path[0];
|
---|
46 |
|
---|
47 | if (!_has(idx, object)) {
|
---|
48 | return object;
|
---|
49 | }
|
---|
50 |
|
---|
51 | if (path.length === 1) {
|
---|
52 | return _modify(idx, fn, object);
|
---|
53 | }
|
---|
54 |
|
---|
55 | var val = modifyPath(Array.prototype.slice.call(path, 1), fn, object[idx]);
|
---|
56 |
|
---|
57 | if (val === object[idx]) {
|
---|
58 | return object;
|
---|
59 | }
|
---|
60 |
|
---|
61 | return _assoc(idx, val, object);
|
---|
62 | });
|
---|
63 |
|
---|
64 | export default modifyPath; |
---|