module "use strong";
import { useRef } from "octane";
props { label, onAttach }: { label: string; onAttach: (element: HTMLInputElement | null) => void }
setup
  const inputRef = useRef<HTMLInputElement | null>(null);
  const reportInput = (element: HTMLInputElement | null) => {
    onAttach(element);
    if (element !== null) return () => onAttach(null);
  };

section.ref-demo
  label(htmlFor="multi-ref-input") #{label}
  input#multi-ref-input(ref={[inputRef, reportInput]})
  button(type="button" onClick={() => inputRef.current?.focus()}) Focus input