import "@github/clipboard-copy-element"; document.addEventListener("clipboard-copy", function (event) { const button = event.target as HTMLButtonElement; button.classList.add( "[&>.copy-base]:hidden", "[&>.copy-success]:inline-flex" ); setTimeout(() => { button.classList.remove( "[&>.copy-base]:hidden", "[&>.copy-success]:inline-flex" ); }, 1000); });