Gravity Forms + WPGraphQL + ACF

gf-integration.php

<?php 
add_action('acf/init', 'my_acf_init');
// Removing <p> tags
remove_filter( 'the_content', 'wpautop' );
remove_filter( 'the_excerpt', 'wpautop' );
// Gravity Forms ACF

  if (!defined('ABSPATH')) {
    exit;
  }

  add_filter('wpgraphql_acf_supported_fields', function ($supported_fields) {
    $supported_fields[] = 'forms';

    return $supported_fields;
  });


  add_filter('wpgraphql_acf_register_graphql_field', function ($field_config, $type_name, $field_name, $config) {
    $acf_field = $config['acf_field'] ?? null;
    $acf_type = $acf_field['type'] ?? null;

    // ignore all other field types
    if (!$acf_field || $acf_type !== 'forms') {
      return $field_config;
    }

    if ($acf_field['return_format'] === 'post_object' && is_plugin_active('wp-graphql-gravity-forms/wp-graphql-gravity-forms.php')) {
      if (empty($acf_field['multiple'])) {
        $field_config['type'] = \WPGraphQL\GF\Type\WPObject\Form\Form::$type;
        $field_config['resolve'] = function ($root, $args, \WPGraphQL\AppContext $context) use ($acf_field, $config) {
          $form = null;
          $form_id = get_field( $config['acf_field']['key'], $root->databaseId );

          if ($form_id) {
            $form = $context->get_loader(\WPGraphQL\GF\Data\Loader\FormsLoader::$name)->load_deferred((int) $form_id);
          }

          return $form ?? null;
        };
      } else {
        $field_config['type'] = ['list_of' => \WPGraphQL\GF\Type\WPObject\Form\Form::$type];
        $field_config['resolve'] = function ($root, $args, \WPGraphQL\AppContext $context) use ($acf_field, $config) {
          $forms = [];
          $form_ids = get_field( $config['acf_field']['key'], $root->databaseId );

          if (!empty($form_ids) && is_array($form_ids)) {
            foreach ($form_ids as $form_id) {
              if ($form_id) {
                $form = $context->get_loader(\WPGraphQL\GF\Data\Loader\FormsLoader::$name)->load_deferred($form_id);
                $forms[] = $form;
              }
            }
          }

          return !empty($forms) ? $forms : [];
        };
      }
      // Form id
    } else {
      if (empty($acf_field['multiple'])) {
        $field_config['type'] = 'Integer';
      } else {
        $field_config['type'] = ['list_of' => 'Integer'];
        $field_config['resolve'] = function ($root, $args) use ($acf_field, $config) {
          $value = get_field( $config['acf_field']['key'], $root->databaseId );

          return !empty($value) && is_array($value) ? $value : [];
        };
      }
    }


    return $field_config;

  }, 10, 4);
?>