{% macro SaveButton(text, element="button", additional_classes="", form=None, disable_on_initial_render=True) -%}
  {% set class = "usa-button usa-button-primary" + additional_classes %}
  {% set disabled = "!changed || invalid" if disable_on_initial_render else "invalid"%}
  
  {% if element == "button" %}
    <button type="submit" class="{{ class }}" tabindex="0" v-bind:disabled='{{ disabled }}' {{ form_attr }} >
      {{ text }}
    </button>
  {% elif element == 'input' %}
    <input type="submit" class="{{ class }}" tabindex="0" v-bind:disabled="invalid" value='{{ disabled }}' {% if form %}form="{{ form }}"{% endif %} />
  {% endif %}
{%- endmacro %}