{%- set options = options ?? [] %}
{%- set values = values ?? [] %}
{%- set optionName = (name ?? false) ? "#{name}[]" : null %}

{% set fieldsetAttributes = {
    class: ['checkbox-group'],
} %}

{% if block('attr') is defined %}
    {%- set fieldsetAttributes = fieldsetAttributes|merge(('<div ' ~ block('attr') ~ '>')|parseAttr, recursive=true) %}
{% endif %}

{% tag 'div' with fieldsetAttributes %}
    {% if name ?? false %}
        {{ hiddenInput(name, '') }}
    {% endif -%}

    {%- for key, option in options %}
        {%- if option is not iterable %}
            {%- set option = {label: option, value: key} %}
        {%- endif %}
        <div class="checkboxfield">
            {% include "_includes/forms/checkbox" with {
                describedBy: describedBy ?? false,
                name: optionName,
                checked: (option.value is defined and option.value in values),
                autofocus: loop.first and (autofocus ?? false) and not craft.app.request.isMobileBrowser(true)
            }|merge(option) only %}
        </div>
    {%- endfor %}
{% endtag %}