From 6eafc21c71727242c33b2ce1db1332f8d51117ab Mon Sep 17 00:00:00 2001
From: Oskar Haarklou Veileborg <ohv1020@hotmail.com>
Date: Tue, 26 Aug 2025 13:48:44 +0200
Subject: [PATCH] Define `type` property on `SyntaxNode` subclasses with
 `defineProperty`

Since `SyntaxNode` defines `type` as an accessor property, the write to
`nodeSubclass.prototype.type` is silently swallowed.
We can work around this by defining the type with
`Object.defineProperty`.
---
 index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 9a57b36..be05e65 100644
--- a/index.js
+++ b/index.js
@@ -894,7 +894,10 @@ function initializeLanguageNodeClasses(language) {
 
     const className = camelCase(typeName, true) + 'Node';
     const nodeSubclass = eval(`class ${className} extends SyntaxNode {${classBody}}; ${className}`);
-    nodeSubclass.prototype.type = typeName;
+    Object.defineProperty(nodeSubclass.prototype, 'type', {
+        value: typeName,
+        enumerable: true,
+    });
     nodeSubclass.prototype.fields = Object.freeze(fieldNames.sort())
     nodeSubclasses[id] = nodeSubclass;
   }