lit-html is great although at $DAYJOB we ran into some issues with missing linting on them. We now use a JSX renderer that emits plain HTML strings. You get a

lit-html is great although at $DAYJOB we ran into some issues with missing linting on them. We now use a JSX renderer that emits plain HTML strings. You get all the ergonomics, the IDE assistance of checking for typos in your attributes, ensuring your closing tags line up, and webpack can flatten it back to plain HTML at compile-time for no run-time __jsx / React.createElement() calls.