Kristjan ESPERANTO 79ea2633a7 refactor: rewrite Module as an ES6 class (#4151) ...

This PR rewrites `module.js` to use a native ES6 `class` instead of
`Class.extend()` - the same old inheritance helper that was removed from
`node_helper.js` in #4147.

The normal module API stays the same: modules still use
`Module.register({...})`. Internally, `Module.create()` now creates a
named subclass for each module, copies over a cloned definition, and
only calls `init()` when it is actually a function.

Outcome: one less file in the browser bundle, no more magic `_super()`
wiring, better stack traces, and tests for the module creation path that
did not exist before. `module.js` is also now a plain class with no
external dependencies - an intentional step towards `export default
Module` when browser scripts eventually move to native ES modules.

Since these changes touch the core of how modules are created, I'd
appreciate a close review and any feedback on edge cases I may have
missed.

2026-05-12 20:01:12 +02:00

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