| "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 || !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; |
| } |