I guess you can do it that way, although it means the page load requires some more round trips before it can display content.
I do think there is a valid use case for this, Phoenix should be able to do SSR for custom elements using the draft Declarative Shadow DOM. I think conditionally rendering in the Heex templates within a template element in the initial render would support hydration of custom elements as per the spec.
I honestly don’t think there is much of a gap to build web components in Elixir with the initial render being regular LiveView and the component is delivered with some elixir transpilation to JS like what Hologram does and this could completely eliminate any need to run node to support server side Javascript rendering and provide a rich UI all in Elixir.
