import { Popover } from "bootstrap"; async function copyToClipboard(event: MouseEvent) { // https://developer.mozilla.org/en-US/docs/Web/API/Clipboard_API const data = new ClipboardItem({ "text/plain": new Blob([document.getElementById("preview")!.innerHTML], { type: "text/plain", }), }); await navigator.clipboard.write([data]); let popover = Popover.getInstance(event.target as Element)!; popover.show(); setTimeout(() => popover.hide(), 1000); } const button = document.getElementById("copy-button")!; new Popover(button, { trigger: "manual" }); button.addEventListener("click", copyToClipboard);