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:
1.4 KB
|
Line | |
---|
1 | "use strict";
|
---|
2 |
|
---|
3 | Object.defineProperty(exports, "__esModule", {
|
---|
4 | value: true
|
---|
5 | });
|
---|
6 | exports.default = isNodesEquivalent;
|
---|
7 |
|
---|
8 | var _definitions = require("../definitions");
|
---|
9 |
|
---|
10 | function isNodesEquivalent(a, b) {
|
---|
11 | if (typeof a !== "object" || typeof b !== "object" || a == null || b == null) {
|
---|
12 | return a === b;
|
---|
13 | }
|
---|
14 |
|
---|
15 | if (a.type !== b.type) {
|
---|
16 | return false;
|
---|
17 | }
|
---|
18 |
|
---|
19 | const fields = Object.keys(_definitions.NODE_FIELDS[a.type] || a.type);
|
---|
20 | const visitorKeys = _definitions.VISITOR_KEYS[a.type];
|
---|
21 |
|
---|
22 | for (const field of fields) {
|
---|
23 | if (typeof a[field] !== typeof b[field]) {
|
---|
24 | return false;
|
---|
25 | }
|
---|
26 |
|
---|
27 | if (a[field] == null && b[field] == null) {
|
---|
28 | continue;
|
---|
29 | } else if (a[field] == null || b[field] == null) {
|
---|
30 | return false;
|
---|
31 | }
|
---|
32 |
|
---|
33 | if (Array.isArray(a[field])) {
|
---|
34 | if (!Array.isArray(b[field])) {
|
---|
35 | return false;
|
---|
36 | }
|
---|
37 |
|
---|
38 | if (a[field].length !== b[field].length) {
|
---|
39 | return false;
|
---|
40 | }
|
---|
41 |
|
---|
42 | for (let i = 0; i < a[field].length; i++) {
|
---|
43 | if (!isNodesEquivalent(a[field][i], b[field][i])) {
|
---|
44 | return false;
|
---|
45 | }
|
---|
46 | }
|
---|
47 |
|
---|
48 | continue;
|
---|
49 | }
|
---|
50 |
|
---|
51 | if (typeof a[field] === "object" && !(visitorKeys != null && visitorKeys.includes(field))) {
|
---|
52 | for (const key of Object.keys(a[field])) {
|
---|
53 | if (a[field][key] !== b[field][key]) {
|
---|
54 | return false;
|
---|
55 | }
|
---|
56 | }
|
---|
57 |
|
---|
58 | continue;
|
---|
59 | }
|
---|
60 |
|
---|
61 | if (!isNodesEquivalent(a[field], b[field])) {
|
---|
62 | return false;
|
---|
63 | }
|
---|
64 | }
|
---|
65 |
|
---|
66 | return true;
|
---|
67 | } |
---|
Note:
See
TracBrowser
for help on using the repository browser.