This web component hardly merits mentioning but I’ve used it a few times so now it gets a baby blog post:

<resize-asaurus>

A little wrapper for resizing responsive component demos, little more than CSS `resize: horizontal` 😅

https://www.zachleat.com/web/resizeasaurus/ 

 @365a528d burying the lede here! 

that "-asaurus" suffix is the pefect way to handle the "has to contain a hyphen" naming requirement for custom elements and I will now regard it as best practice