feat: free memory automatically (#5225)

lib/binding_web/test/memory_unsupported.test.ts

@@ -0,0 +1,25 @@
+import { describe, it } from 'vitest';
+
+describe('FinalizationRegistry is unsupported', () => {
+  it('test FinalizationRegistry is unsupported', async () => {
+    // @ts-expect-error: test FinalizationRegistry is not supported
+    globalThis.FinalizationRegistry = undefined;
+    const { JavaScript } = await (await import('./helper')).default;
+    const  { Parser, Query } = await import('../src');
+    const parser = new Parser();
+    parser.setLanguage(JavaScript);
+    const tree = parser.parse('1+1')!;
+    const copyTree = tree.copy();
+    const cursor = tree.walk();
+    const copyCursor = cursor.copy();
+    const lookaheadIterator = JavaScript.lookaheadIterator(cursor.currentNode.nextParseState)!;
+    const query = new Query(JavaScript, '(identifier) @element');
+    parser.delete();
+    tree.delete();
+    copyTree.delete();
+    cursor.delete();
+    copyCursor.delete();
+    lookaheadIterator.delete();
+    query.delete();
+  });
+});