basecoat/docs/src/_includes/macros/code_block.njk

{% macro code_block(code, language="html", class="my-4") %}
<div class="relative {{ class }}">
  <pre class="scrollbar"><code class="language-{{ language }}">{{- code | escape -}}</code></pre>
  
  <button 
    onclick="
      const button = this;
      const code = this.parentElement.querySelector('pre code');
      if (!code) return;
      navigator.clipboard.writeText(code.textContent || '').then(() => {
        button.classList.add('copied');
        setTimeout(() => { button.classList.remove('copied') }, 2000);
      }).catch(err => {
        console.error('Failed to copy text: ', err);
      });
    "
    class="btn-icon-ghost size-8 absolute right-2.5 top-2 text-muted-foreground hover:text-foreground group"
  >
    {% lucide "copy", {"class": "group-[.copied]:hidden" } %}
    {% lucide "check", {"class": "hidden group-[.copied]:block" } %}
  </button>
</div>
{% endmacro %}