See: https://preactjs.com/blog/introducing-signals/#signals-to-the-future https://preactjs.com/blog/introducing-signals/#signals-to-th... EDIT: scroll up to "T

See: https://preactjs.com/blog/introducing-signals/#signals-to-the-future https://preactjs.com/blog/introducing-signals/#signals-to-th... EDIT: scroll up to "The global state struggle" first to get more background/comparison to useEffect if it isn't clear.