hehe/user/plugins/form/templates/forms/fields/date/date.html.twig

{% extends "forms/field.html.twig" %}

{% block input_attributes %}
    type="date"
    {% if field.validate.min %}min="{{ field.validate.min }}"{% endif %}
    {% if field.validate.max %}max="{{ field.validate.max }}"{% endif %}
    {{ parent() }}
{% endblock %}