Still, introducing a framework and a build system and everything that entails for the sake of 300ish lines of code? You could rewrite that in plain js avoiding

Still, introducing a framework and a build system and everything that entails for the sake of 300ish lines of code? You could rewrite that in plain js avoiding the pitfalls you mention in less time I would have thought. As others have mentioned they’d be better off employing a front end specialist... whether they’d recognise a good one is a moot point.