{% if not file_exists %}
{% include 'module/php_tag.php.twig' %}

/**
 * @file
 * Contains {{ module }} form alter.
 */
{% endif %}

{% block use_class %}
use Drupal\Core\Form\FormStateInterface;
{% endblock %}

{% block file_methods %}
{% if form_id is not empty %}
/**
 * Implements hook_form_FORM_ID_alter() on behalf of {{ module }}.module.
{% if metadata.class is defined %}
 * @see \{{ metadata.class }} method {{ metadata.method }} at {{ metadata.file }}
{% endif %}
 */
function {{ module }}_form_{{ form_id }}_alter(&$form, FormStateInterface $form_state) {
    \Drupal::messenger()->addMessage('{{ module }}_form_{{ form_id }}_alter() executed.');
{% else %}
/**
 * Implements hook_form_alter().
 */
function {{ module }}_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  // Change form id here.
  if ($form_id == 'form_test_alter_form') {
    \Drupal::messenger()->addMessage('form_test_form_alter() executed.');
{% endif %}

{%- if metadata.unset -%}
{% for field in metadata.unset %}
    $form['{{ field }}']['#access'] = FALSE;
{% endfor %}
{% endif %}

{% if inputs %}
{% for input in inputs %}
    $form['{{ input.name }}'] = [
      '#type' => '{{ input.type }}',
      '#title' => t('{{ input.label|e }}'),
{% if input.description is defined and input.description is not empty %}
      '#description' => t('{{ input.description|e }}'),
{% endif %}
{% if input.options is defined and input.options|length %}
      '#options' => {{ input.options }},
{% endif %}
{% if input.maxlength is defined and input.maxlength|length %}
      '#maxlength' => {{ input.maxlength }},
{% endif %}
{% if input.size is defined and input.size|length %}
      '#size' => {{ input.size }},
{% endif %}
{% if input.default_value is defined and input.default_value|length %}
      '#default_value' => '{{ input.default_value }}',
{% endif %}
{% if input.weight is defined and input.weight is not empty%}
      '#weight' => '{{ input.weight }}',
{% endif %}
    ];

{% endfor %}
{% endif %}
{% if form_id is empty %}
  }
{% endif %}
}
{% endblock %}