Function setCopyButtonFeedback

packages/app-core/src/lib/code-block-copy.ts:223–244

(
  button: HTMLButtonElement,
  state: 'copied' | 'failed'
)

}

function setCopyButtonFeedback(
  button: HTMLButtonElement,
  state: 'copied' | 'failed'
): void {
  const previousTimer = resetTimers.get(button)
  if (previousTimer != null) window.clearTimeout(previousTimer)

  const copied = state === 'copied'
  button.dataset.copyState = state
  button.textContent = copied ? 'Copied' : 'Failed'
  button.setAttribute('aria-label', copied ? 'Copied code block' : 'Copy failed')
  button.title = copied ? 'Copied code block' : 'Copy failed'

  const resetTimer = window.setTimeout(() => {
    button.textContent = 'Copy'
    button.setAttribute('aria-label', 'Copy code block')
    button.title = 'Copy code block'
    delete button.dataset.copyState
    resetTimers.delete(button)
  }, 1400)
  resetTimers.set(button, resetTimer)
}