Shopify: Custom Pagination

<div id="pagination" class="pagination">
  {% if paginate.previous.is_link %}
    <a href="{{ paginate.previous.url }}" class="pagination-item pagination-previous">Previous</a>
  {% else %}
    <a  class="pagination-item pagination-previous pagination-previous--disabled">Previous</a>
  {% endif %}
  {% for part in paginate.parts %}
    {% if part.is_link %}
      <a href="{{part.url}}"class="pagination-item">{{ part.title }}</a>
    {% elsif current_page %}
      <a class="pagination-item pagination--current">{{ current_page }}</a>
    {% endif %}
  {% endfor %}
  {% if paginate.next.is_link %}
    <a href="{{ paginate.next.url }}" class="pagination-item pagination-next">Next</a>
  {% else %}
    <a  class="pagination-item pagination-next pagination-next--disabled">Next</a>
  {% endif %}
</div>