ELEMENT_NODE is missing from the node instance

[silvenon]

Hi! I noticed that instances of Node, or at least HTMLElement, don't have the ELEMENT_NODE property.

const { Window } = require('happy-dom')

const window = new Window();
const document = window.document;

document.body.innerHTML = '<div class="container"></div>';

console.log(document.querySelector('.container').ELEMENT_NODE) // undefined

I discovered this while migrating from Jest to Vitest, and at the same time moving from jsdom to happy-dom. I noticed that computing the accessible name of elements started coming up empty in Testing Library, which uses dom-accessibility-api for that functionality, which relies on ELEMENT_NODE. (It was quite a debugging trip! 😄)

I see ELEMENT_NODE in your codebase, though 🤔 so hopefully you'll be able to shed some light on this, thanks! 🤞

[capricorn86]

Thank you for reporting @silvenon! 🙂

I have fixed the issue now.

You can read more about the release here:
https://github.com/capricorn86/happy-dom/releases/tag/v2.52.0