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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = isNodesEquivalent;
-
- var _definitions = require("../definitions");
-
- function isNodesEquivalent(a, b) {
- if (typeof a !== "object" || typeof b !== "object" || a == null || b == null) {
- return a === b;
- }
-
- if (a.type !== b.type) {
- return false;
- }
-
- const fields = Object.keys(_definitions.NODE_FIELDS[a.type] || a.type);
- const visitorKeys = _definitions.VISITOR_KEYS[a.type];
-
- for (const field of fields) {
- if (typeof a[field] !== typeof b[field]) {
- return false;
- }
-
- if (a[field] == null && b[field] == null) {
- continue;
- } else if (a[field] == null || b[field] == null) {
- return false;
- }
-
- if (Array.isArray(a[field])) {
- if (!Array.isArray(b[field])) {
- return false;
- }
-
- if (a[field].length !== b[field].length) {
- return false;
- }
-
- for (let i = 0; i < a[field].length; i++) {
- if (!isNodesEquivalent(a[field][i], b[field][i])) {
- return false;
- }
- }
-
- continue;
- }
-
- if (typeof a[field] === "object" && !(visitorKeys != null && visitorKeys.includes(field))) {
- for (const key of Object.keys(a[field])) {
- if (a[field][key] !== b[field][key]) {
- return false;
- }
- }
-
- continue;
- }
-
- if (!isNodesEquivalent(a[field], b[field])) {
- return false;
- }
- }
-
- return true;
- }
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