Function onCopy

packages/web/src/index.ts:629–633

(event: ClipboardEvent)

function writeClipboardWithSelection(value: string) {
  let copied = false;
  const onCopy = (event: ClipboardEvent) => {
    event.clipboardData?.setData("text/plain", value);
    event.preventDefault();
    copied = true;
  };
  const textarea = document.createElement("textarea");
  textarea.value = value;
  textarea.setAttribute("readonly", "");