Function copyValue

packages/web/src/index.ts:688–727

(button: HTMLButtonElement, value: string)

}

async function copyValue(button: HTMLButtonElement, value: string) {
  const originalLabel =
    button.dataset.copyLabel ??
    button.getAttribute("aria-label") ??
    button.title ??
    "Copy";
  button.dataset.copyLabel = originalLabel;

  const copyIcon = button.querySelector<HTMLElement>(".copy-icon");
  const checkIcon = button.querySelector<HTMLElement>(".check-icon");
  const copied = await writeClipboard(value);
  const selected = copied ? false : selectCopySource(button);

  window.clearTimeout(copyTimers.get(button));
  button.classList.toggle("copied", copied);
  button.classList.toggle("selected", selected);
  button.classList.toggle("copy-failed", !copied && !selected);

  const feedback = copied ? "Copied" : selected ? "Selected" : "Copy failed";
  button.setAttribute("aria-label", feedback);
  button.title = feedback;

  if (copyIcon && checkIcon) {
    copyIcon.style.display = copied ? "none" : "block";
    checkIcon.style.display = copied ? "block" : "none";
  }

  copyTimers.set(
    button,
    setTimeout(() => {
      button.classList.remove("copied", "selected", "copy-failed");
      button.setAttribute("aria-label", originalLabel);
      button.title = originalLabel;
      if (copyIcon && checkIcon) {
        copyIcon.style.display = "block";
        checkIcon.style.display = "none";
      }
    }, 1200),
  );
}

function copyFromEventTarget(target: EventTarget | null) {
  if (!(target instanceof Element)) return undefined;