{% if song_id in liked_songs %}
<button hx-swap="outerHTML" hx-delete="/fragments/songs/{{ song_id }}/like">
  ❤ {{ like_counter[song_id] }}
</button>
{% else %}
<button hx-swap="outerHTML" hx-put="/fragments/songs/{{ song_id }}/like">
  🤍 {{ like_counter[song_id] }}
</button>
{% endif %}