Function pagination on twig

pagination.html.twig

{{ _self.pagination(4, 1, 'http://127.0.0.1:8000/admin/config/system/mutual-funds?page=') }}

{% macro pagination(total, current, url, nearbyPagesLimit = 4) %}
  {% spaceless %}
    {% if total > 1 %}
      <ul class="pagination">
        {% for i in 1..total %}
          {% if 0 == (current - nearbyPagesLimit) - loop.index %}
            <li><a href="{{ (url ~ 1)|e }}">1</a></li>
            {% if 1 != loop.index %}
              <li><span>…</span></li>
            {% endif %}
          {% elseif 0 == (current + nearbyPagesLimit) - loop.index  and (current + nearbyPagesLimit) < total %}
            <li><span>…</span></li>
          {% elseif 0 < (current - nearbyPagesLimit) - loop.index %}
          {% elseif 0 > (current + nearbyPagesLimit) - loop.index %}
          {% else %}
            <li {{ current == loop.index ? 'class="active"' }}>
              {% if current == loop.index  %}
                <span>{{ loop.index }}</span>
              {% else %}
                <a href="{{ url ~ loop.index }}">{{ loop.index }}</a>
              {% endif %}
            </li>
          {% endif %}
        {% endfor %}
        {% if current != total  and (current + nearbyPagesLimit) < total %}
          <li><a href="{{ (url ~ total)|e }}">{{ total }}</a></li>
        {% endif %}
      </ul>
    {% endif %}
  {% endspaceless %}
{% endmacro %}