Function useOnClickOutside

pwa/hooks/useOnClickOutside.tsx:5–23

(
  ref: RefObject<T>,
  handler: Handler
)

type Handler = (event: MouseEvent | TouchEvent) => void;

export default function useOnClickOutside<T extends HTMLElement = HTMLElement>(
  ref: RefObject<T>,
  handler: Handler
) {
  useEffect(() => {
    const listener = (event: MouseEvent | TouchEvent) => {
      if (!ref.current || ref.current.contains(event?.target as Node)) {
        return;
      }
      handler(event);
    };
    document.addEventListener("mousedown", listener);
    document.addEventListener("touchstart", listener);
    return () => {
      document.removeEventListener("mousedown", listener);
      document.removeEventListener("touchstart", listener);
    };
  }, [ref, handler]);
}