17334288077

Committed 29 Aug 2025 09:07PM UTC coverage: 84.593% (+0.4%) from 84.169%

Build # 17334288077

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Commit Message

chore: update changeset for PR #3410

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/src/Registry/TypeRegistry.php

<?php

namespace WPGraphQL\Registry;

use GraphQL\Error\Error;
use GraphQL\Type\Definition\Type;
use WPGraphQL;
use WPGraphQL\Data\DataSource;
use WPGraphQL\Mutation\CommentCreate;
use WPGraphQL\Mutation\CommentDelete;
use WPGraphQL\Mutation\CommentRestore;
use WPGraphQL\Mutation\CommentUpdate;
use WPGraphQL\Mutation\MediaItemCreate;
use WPGraphQL\Mutation\MediaItemDelete;
use WPGraphQL\Mutation\MediaItemUpdate;
use WPGraphQL\Mutation\PostObjectCreate;
use WPGraphQL\Mutation\PostObjectDelete;
use WPGraphQL\Mutation\PostObjectUpdate;
use WPGraphQL\Mutation\ResetUserPassword;
use WPGraphQL\Mutation\SendPasswordResetEmail;
use WPGraphQL\Mutation\TermObjectCreate;
use WPGraphQL\Mutation\TermObjectDelete;
use WPGraphQL\Mutation\TermObjectUpdate;
use WPGraphQL\Mutation\UpdateSettings;
use WPGraphQL\Mutation\UserCreate;
use WPGraphQL\Mutation\UserDelete;
use WPGraphQL\Mutation\UserRegister;
use WPGraphQL\Mutation\UserUpdate;
use WPGraphQL\Registry\Utils\PostObject;
use WPGraphQL\Registry\Utils\TermObject;
use WPGraphQL\Type\Connection\Comments;
use WPGraphQL\Type\Connection\MenuItems;
use WPGraphQL\Type\Connection\PostObjects;
use WPGraphQL\Type\Connection\Taxonomies;
use WPGraphQL\Type\Connection\TermObjects;
use WPGraphQL\Type\Connection\Users;
use WPGraphQL\Type\Enum\AvatarRatingEnum;
use WPGraphQL\Type\Enum\CommentNodeIdTypeEnum;
use WPGraphQL\Type\Enum\CommentStatusEnum;
use WPGraphQL\Type\Enum\CommentsConnectionOrderbyEnum;
use WPGraphQL\Type\Enum\ContentNodeIdTypeEnum;
use WPGraphQL\Type\Enum\ContentTypeEnum;
use WPGraphQL\Type\Enum\ContentTypeIdTypeEnum;
use WPGraphQL\Type\Enum\MediaItemSizeEnum;
use WPGraphQL\Type\Enum\MediaItemStatusEnum;
use WPGraphQL\Type\Enum\MenuItemNodeIdTypeEnum;
use WPGraphQL\Type\Enum\MenuLocationEnum;
use WPGraphQL\Type\Enum\MenuNodeIdTypeEnum;
use WPGraphQL\Type\Enum\MimeTypeEnum;
use WPGraphQL\Type\Enum\OrderEnum;
use WPGraphQL\Type\Enum\PluginStatusEnum;
use WPGraphQL\Type\Enum\PostObjectFieldFormatEnum;
use WPGraphQL\Type\Enum\PostObjectsConnectionDateColumnEnum;
use WPGraphQL\Type\Enum\PostObjectsConnectionOrderbyEnum;
use WPGraphQL\Type\Enum\PostStatusEnum;
use WPGraphQL\Type\Enum\RelationEnum;
use WPGraphQL\Type\Enum\ScriptLoadingGroupLocationEnum;
use WPGraphQL\Type\Enum\ScriptLoadingStrategyEnum;
use WPGraphQL\Type\Enum\TaxonomyEnum;
use WPGraphQL\Type\Enum\TaxonomyIdTypeEnum;
use WPGraphQL\Type\Enum\TermNodeIdTypeEnum;
use WPGraphQL\Type\Enum\TermObjectsConnectionOrderbyEnum;
use WPGraphQL\Type\Enum\TimezoneEnum;
use WPGraphQL\Type\Enum\UserNodeIdTypeEnum;
use WPGraphQL\Type\Enum\UserRoleEnum;
use WPGraphQL\Type\Enum\UsersConnectionOrderbyEnum;
use WPGraphQL\Type\Enum\UsersConnectionSearchColumnEnum;
use WPGraphQL\Type\Input\DateInput;
use WPGraphQL\Type\Input\DateQueryInput;
use WPGraphQL\Type\Input\PostObjectsConnectionOrderbyInput;
use WPGraphQL\Type\Input\UsersConnectionOrderbyInput;
use WPGraphQL\Type\InterfaceType\Commenter;
use WPGraphQL\Type\InterfaceType\Connection;
use WPGraphQL\Type\InterfaceType\ContentNode;
use WPGraphQL\Type\InterfaceType\ContentTemplate;
use WPGraphQL\Type\InterfaceType\DatabaseIdentifier;
use WPGraphQL\Type\InterfaceType\Edge;
use WPGraphQL\Type\InterfaceType\EnqueuedAsset;
use WPGraphQL\Type\InterfaceType\HierarchicalContentNode;
use WPGraphQL\Type\InterfaceType\HierarchicalNode;
use WPGraphQL\Type\InterfaceType\HierarchicalTermNode;
use WPGraphQL\Type\InterfaceType\MenuItemLinkable;
use WPGraphQL\Type\InterfaceType\Node;
use WPGraphQL\Type\InterfaceType\NodeWithAuthor;
use WPGraphQL\Type\InterfaceType\NodeWithComments;
use WPGraphQL\Type\InterfaceType\NodeWithContentEditor;
use WPGraphQL\Type\InterfaceType\NodeWithExcerpt;
use WPGraphQL\Type\InterfaceType\NodeWithFeaturedImage;
use WPGraphQL\Type\InterfaceType\NodeWithPageAttributes;
use WPGraphQL\Type\InterfaceType\NodeWithRevisions;
use WPGraphQL\Type\InterfaceType\NodeWithTemplate;
use WPGraphQL\Type\InterfaceType\NodeWithTitle;
use WPGraphQL\Type\InterfaceType\NodeWithTrackbacks;
use WPGraphQL\Type\InterfaceType\OneToOneConnection;
use WPGraphQL\Type\InterfaceType\PageInfo;
use WPGraphQL\Type\InterfaceType\Previewable;
use WPGraphQL\Type\InterfaceType\TermNode;
use WPGraphQL\Type\InterfaceType\UniformResourceIdentifiable;
use WPGraphQL\Type\ObjectType\Avatar;
use WPGraphQL\Type\ObjectType\Comment;
use WPGraphQL\Type\ObjectType\CommentAuthor;
use WPGraphQL\Type\ObjectType\ContentType;
use WPGraphQL\Type\ObjectType\EnqueuedScript;
use WPGraphQL\Type\ObjectType\EnqueuedStylesheet;
use WPGraphQL\Type\ObjectType\MediaDetails;
use WPGraphQL\Type\ObjectType\MediaItemMeta;
use WPGraphQL\Type\ObjectType\MediaSize;
use WPGraphQL\Type\ObjectType\Menu;
use WPGraphQL\Type\ObjectType\MenuItem;
use WPGraphQL\Type\ObjectType\Plugin;
use WPGraphQL\Type\ObjectType\PostTypeLabelDetails;
use WPGraphQL\Type\ObjectType\RootMutation;
use WPGraphQL\Type\ObjectType\RootQuery;
use WPGraphQL\Type\ObjectType\SettingGroup;
use WPGraphQL\Type\ObjectType\Settings;
use WPGraphQL\Type\ObjectType\Taxonomy;
use WPGraphQL\Type\ObjectType\Theme;
use WPGraphQL\Type\ObjectType\User;
use WPGraphQL\Type\ObjectType\UserRole;
use WPGraphQL\Type\WPConnectionType;
use WPGraphQL\Type\WPEnumType;
use WPGraphQL\Type\WPInputObjectType;
use WPGraphQL\Type\WPInterfaceType;
use WPGraphQL\Type\WPMutationType;
use WPGraphQL\Type\WPObjectType;
use WPGraphQL\Type\WPScalar;
use WPGraphQL\Type\WPUnionType;
use WPGraphQL\Utils\Utils;

/**
 * Class TypeRegistry
 *
 * This class maintains the registry of Types used in the GraphQL Schema
 *
 * @phpstan-import-type InputObjectConfig from \GraphQL\Type\Definition\InputObjectType
 * @phpstan-import-type InterfaceConfig from \GraphQL\Type\Definition\InterfaceType
 * @phpstan-import-type ObjectConfig from \GraphQL\Type\Definition\ObjectType
 * @phpstan-import-type WPEnumTypeConfig from \WPGraphQL\Type\WPEnumType
 * @phpstan-import-type WPScalarConfig from \WPGraphQL\Type\WPScalar
 *
 * @phpstan-type TypeDef \GraphQL\Type\Definition\Type&\GraphQL\Type\Definition\NamedType
 *
 * @package WPGraphQL\Registry
 */
class TypeRegistry {

        /**
         * The registered Types
         *
         * @var array<string,?TypeDef>
         */
        protected $types;

        /**
         * The keys that are prepared for introspection.
         *
         * @var array<string>|null
         */
        protected static ?array $introspection_keys = null;

        /**
         * The loaders needed to register types
         *
         * @var array<string,callable(): ?TypeDef>
         */
        protected $type_loaders;

        /**
         * Stores a list of Types that need to be eagerly loaded instead of lazy loaded.
         *
         * Types that exist in the Schema but are only part of a Union/Interface ResolveType but not
         * referenced directly need to be eagerly loaded.
         *
         * @var array<string,string>
         */
        protected $eager_type_map;

        /**
         * Stores a list of Types that should be excluded from the schema.
         *
         * Type names are filtered by `graphql_excluded_types` and normalized using strtolower(), to avoid case sensitivity issues.
         *
         * @var string[]
         */
        protected $excluded_types = null;

        /**
         * Stores a list of mutation names that should be excluded from the schema, along with their generated input and payload types.
         *
         * Type names are filtered by `graphql_excluded_mutations` and normalized using strtolower(), to avoid case sensitivity issues.
         *
         * @var string[]
         */
        protected $excluded_mutations = null;

        /**
         * Stores a list of connection Type names that should be excluded from the schema, along with their generated types.
         *
         * Type names are filtered by `graphql_excluded_connections` and normalized using strtolower(), to avoid case sensitivity issues.
         *
         * Type name
         *
         * @var string[]
         */
        protected $excluded_connections = null;

        /**
         * TypeRegistry constructor.
         */
        public function __construct() {
                $this->types          = [];
                $this->type_loaders   = [];
                $this->eager_type_map = [];
        }

        /**
         * Formats the array key to a more friendly format
         *
         * @param string $key Name of the array key to format
         *
         * @return string
         */
        protected function format_key( string $key ) {
                return strtolower( $key );
        }

        /**
         * Returns the eager type map, an array of Type definitions for Types that
         * are not directly referenced in the schema.
         *
         * Types can add "eagerlyLoadType => true" when being registered to be included
         * in the eager_type_map.
         *
         * @return array<string,?TypeDef>
         */
        protected function get_eager_type_map() {
                if ( empty( $this->eager_type_map ) ) {
                        return [];
                }

                $resolved_types = [];
                foreach ( $this->eager_type_map as $type_name ) {
                        $resolved_types[ $type_name ] = $this->get_type( $type_name );
                }

                return $resolved_types;
        }

        /**
         * Initialize the TypeRegistry
         *
         * @throws \Exception
         *
         * @return void
         */
        public function init() {
                $this->register_type( 'Bool', Type::boolean() );
                $this->register_type( 'Boolean', Type::boolean() );
                $this->register_type( 'Float', Type::float() );
                $this->register_type( 'Number', Type::float() );
                $this->register_type( 'Id', Type::id() );
                $this->register_type( 'Int', Type::int() );
                $this->register_type( 'Integer', Type::int() );
                $this->register_type( 'String', Type::string() );

                /**
                 * When the Type Registry is initialized execute these files
                 */
                add_action( 'init_graphql_type_registry', [ $this, 'init_type_registry' ], 5, 1 );

                /**
                 * Fire an action as the Type registry is being initiated
                 *
                 * @param \WPGraphQL\Registry\TypeRegistry $registry Instance of the TypeRegistry
                 */
                do_action( 'init_graphql_type_registry', $this );
        }

        /**
         * Initialize the Type Registry
         *
         * @param \WPGraphQL\Registry\TypeRegistry $type_registry
         *
         * @return void
         * @throws \Exception
         */
        public function init_type_registry( self $type_registry ) {

                /**
                 * Fire an action as the type registry is initialized. This executes
                 * before the `graphql_register_types` action to allow for earlier hooking
                 *
                 * @param \WPGraphQL\Registry\TypeRegistry $registry Instance of the TypeRegistry
                 */
                do_action( 'graphql_register_initial_types', $type_registry );

                // Register Interfaces.
                Node::register_type();
                Commenter::register_type( $type_registry );
                Connection::register_type( $type_registry );
                ContentNode::register_type( $type_registry );
                ContentTemplate::register_type();
                DatabaseIdentifier::register_type();
                Edge::register_type( $type_registry );
                EnqueuedAsset::register_type( $type_registry );
                HierarchicalContentNode::register_type( $type_registry );
                HierarchicalNode::register_type( $type_registry );
                HierarchicalTermNode::register_type( $type_registry );
                MenuItemLinkable::register_type( $type_registry );
                NodeWithAuthor::register_type( $type_registry );
                NodeWithComments::register_type( $type_registry );
                NodeWithContentEditor::register_type( $type_registry );
                NodeWithExcerpt::register_type( $type_registry );
                NodeWithFeaturedImage::register_type( $type_registry );
                NodeWithRevisions::register_type( $type_registry );
                NodeWithTitle::register_type( $type_registry );
                NodeWithTemplate::register_type( $type_registry );
                NodeWithTrackbacks::register_type( $type_registry );
                NodeWithPageAttributes::register_type( $type_registry );
                PageInfo::register_type( $type_registry );
                Previewable::register_type( $type_registry );
                OneToOneConnection::register_type( $type_registry );
                TermNode::register_type( $type_registry );
                UniformResourceIdentifiable::register_type( $type_registry );

                // register types
                RootQuery::register_type();
                RootQuery::register_post_object_fields();
                RootQuery::register_term_object_fields();
                RootMutation::register_type();
                Avatar::register_type();
                Comment::register_type();
                CommentAuthor::register_type();
                ContentTemplate::register_content_template_types();
                EnqueuedStylesheet::register_type();
                EnqueuedScript::register_type();
                MediaDetails::register_type();
                MediaItemMeta::register_type();
                MediaSize::register_type();
                Menu::register_type();
                MenuItem::register_type();
                Plugin::register_type();
                ContentType::register_type();
                PostTypeLabelDetails::register_type();
                Settings::register_type( $this );
                Taxonomy::register_type();
                Theme::register_type();
                User::register_type();
                UserRole::register_type();

                AvatarRatingEnum::register_type();
                CommentNodeIdTypeEnum::register_type();
                CommentsConnectionOrderbyEnum::register_type();
                CommentStatusEnum::register_type();
                ContentNodeIdTypeEnum::register_type();
                ContentTypeEnum::register_type();
                ContentTypeIdTypeEnum::register_type();
                MediaItemSizeEnum::register_type();
                MediaItemStatusEnum::register_type();
                MenuLocationEnum::register_type();
                MenuItemNodeIdTypeEnum::register_type();
                MenuNodeIdTypeEnum::register_type();
                MimeTypeEnum::register_type();
                OrderEnum::register_type();
                PluginStatusEnum::register_type();
                PostObjectFieldFormatEnum::register_type();
                PostObjectsConnectionDateColumnEnum::register_type();
                PostObjectsConnectionOrderbyEnum::register_type();
                PostStatusEnum::register_type();
                RelationEnum::register_type();
                ScriptLoadingStrategyEnum::register_type();
                ScriptLoadingGroupLocationEnum::register_type();
                TaxonomyEnum::register_type();
                TaxonomyIdTypeEnum::register_type();
                TermNodeIdTypeEnum::register_type();
                TermObjectsConnectionOrderbyEnum::register_type();
                TimezoneEnum::register_type();
                UserNodeIdTypeEnum::register_type();
                UserRoleEnum::register_type();
                UsersConnectionOrderbyEnum::register_type();
                UsersConnectionSearchColumnEnum::register_type();

                DateInput::register_type();
                DateQueryInput::register_type();
                PostObjectsConnectionOrderbyInput::register_type();
                UsersConnectionOrderbyInput::register_type();

                /**
                 * Register core connections
                 */
                Comments::register_connections();
                MenuItems::register_connections();
                PostObjects::register_connections();
                Taxonomies::register_connections();
                TermObjects::register_connections();
                Users::register_connections();

                /**
                 * Register core mutations
                 */
                CommentCreate::register_mutation();
                CommentDelete::register_mutation();
                CommentRestore::register_mutation();
                CommentUpdate::register_mutation();
                MediaItemCreate::register_mutation();
                MediaItemDelete::register_mutation();
                MediaItemUpdate::register_mutation();
                ResetUserPassword::register_mutation();
                SendPasswordResetEmail::register_mutation();
                UserCreate::register_mutation();
                UserDelete::register_mutation();
                UserUpdate::register_mutation();
                UserRegister::register_mutation();
                UpdateSettings::register_mutation( $this );

                /**
                 * Register PostObject types based on post_types configured to show_in_graphql.
                 */
                $allowed_post_types = WPGraphQL::get_allowed_post_types( 'objects' );
                $allowed_taxonomies = WPGraphQL::get_allowed_taxonomies( 'objects' );

                foreach ( $allowed_post_types as $post_type_object ) {
                        PostObject::register_types( $post_type_object );

                        /**
                         * Mutations for attachments are handled differently
                         * because they require different inputs
                         */
                        if ( 'attachment' !== $post_type_object->name ) {

                                /**
                                 * Revisions are created behind the scenes as a side effect of post updates,
                                 * they aren't created manually.
                                 */
                                if ( 'revision' !== $post_type_object->name ) {
                                        if ( empty( $post_type_object->graphql_exclude_mutations ) || ! in_array( 'create', $post_type_object->graphql_exclude_mutations, true ) ) {
                                                PostObjectCreate::register_mutation( $post_type_object );
                                        }

                                        if ( empty( $post_type_object->graphql_exclude_mutations ) || ! in_array( 'update', $post_type_object->graphql_exclude_mutations, true ) ) {
                                                PostObjectUpdate::register_mutation( $post_type_object );
                                        }
                                }

                                if ( empty( $post_type_object->graphql_exclude_mutations ) || ! in_array( 'delete', $post_type_object->graphql_exclude_mutations, true ) ) {
                                        PostObjectDelete::register_mutation( $post_type_object );
                                }
                        }

                        foreach ( $allowed_taxonomies as $tax_object ) {
                                // If the taxonomy is in the array of taxonomies registered to the post_type
                                if ( in_array( $tax_object->name, get_object_taxonomies( $post_type_object->name ), true ) ) {
                                        register_graphql_input_type(
                                                $post_type_object->graphql_single_name . ucfirst( $tax_object->graphql_plural_name ) . 'NodeInput',
                                                [
                                                        'description' => static function () use ( $tax_object, $post_type_object ) {
                                                                return sprintf(
                                                                                // translators: %1$s is the GraphQL plural name of the taxonomy, %2$s is the GraphQL singular name of the post type.
                                                                        __( 'List of %1$s to connect the %2$s to. If an ID is set, it will be used to create the connection. If not, it will look for a slug. If neither are valid existing terms, and the site is configured to allow terms to be created during post mutations, a term will be created using the Name if it exists in the input, then fallback to the slug if it exists.', 'wp-graphql' ),
                                                                        $tax_object->graphql_plural_name,
                                                                        $post_type_object->graphql_single_name
                                                                );
                                                        },
                                                        'fields'      => [
                                                                'id'          => [
                                                                        'type'        => 'Id',
                                                                        'description' => static function () use ( $tax_object, $post_type_object ) {
                                                                                return sprintf(
                                                                                                // translators: %1$s is the GraphQL name of the taxonomy, %2$s is the GraphQL name of the post type.
                                                                                        __( 'The ID of the %1$s. If present, this will be used to connect to the %2$s. If no existing %1$s exists with this ID, no connection will be made.', 'wp-graphql' ),
                                                                                        $tax_object->graphql_single_name,
                                                                                        $post_type_object->graphql_single_name
                                                                                );
                                                                        },
                                                                ],
                                                                'slug'        => [
                                                                        'type'        => 'String',
                                                                        'description' => static function () use ( $tax_object ) {
                                                                                return sprintf(
                                                                                        // translators: %1$s is the GraphQL name of the taxonomy.
                                                                                        __( 'The slug of the %1$s. If no ID is present, this field will be used to make a connection. If no existing term exists with this slug, this field will be used as a fallback to the Name field when creating a new term to connect to, if term creation is enabled as a nested mutation.', 'wp-graphql' ),
                                                                                        $tax_object->graphql_single_name
                                                                                );
                                                                        },
                                                                ],
                                                                'description' => [
                                                                        'type'        => 'String',
                                                                        'description' => static function () use ( $tax_object ) {
                                                                                return sprintf(
                                                                                        // translators: %1$s is the GraphQL name of the taxonomy.
                                                                                        __( 'The description of the %1$s. This field is used to set a description of the %1$s if a new one is created during the mutation.', 'wp-graphql' ),
                                                                                        $tax_object->graphql_single_name
                                                                                );
                                                                        },
                                                                ],
                                                                'name'        => [
                                                                        'type'        => 'String',
                                                                        'description' => static function () use ( $tax_object ) {
                                                                                return sprintf(
                                                                                        // translators: %1$s is the GraphQL name of the taxonomy.
                                                                                        __( 'The name of the %1$s. This field is used to create a new term, if term creation is enabled in nested mutations, and if one does not already exist with the provided slug or ID or if a slug or ID is not provided. If no name is included and a term is created, the creation will fallback to the slug field.', 'wp-graphql' ),
                                                                                        $tax_object->graphql_single_name
                                                                                );
                                                                        },
                                                                ],
                                                        ],
                                                ]
                                        );

                                        register_graphql_input_type(
                                                ucfirst( $post_type_object->graphql_single_name ) . ucfirst( $tax_object->graphql_plural_name ) . 'Input',
                                                [
                                                        'description' => static function () use ( $tax_object, $post_type_object ) {
                                                                return sprintf(
                                                                        // translators: %1$s is the GraphQL name of the post type, %2$s is the plural GraphQL name of the taxonomy.
                                                                        __( 'Set relationships between the %1$s to %2$s', 'wp-graphql' ),
                                                                        $post_type_object->graphql_single_name,
                                                                        $tax_object->graphql_plural_name
                                                                );
                                                        },
                                                        'fields'      => [
                                                                'append' => [
                                                                        'type'        => 'Boolean',
                                                                        'description' => static function () use ( $tax_object ) {
                                                                                return sprintf(
                                                                                        // translators: %1$s is the GraphQL name of the taxonomy, %2$s is the plural GraphQL name of the taxonomy.
                                                                                        __( 'If true, this will append the %1$s to existing related %2$s. If false, this will replace existing relationships. Default true.', 'wp-graphql' ),
                                                                                        $tax_object->graphql_single_name,
                                                                                        $tax_object->graphql_plural_name
                                                                                );
                                                                        },
                                                                ],
                                                                'nodes'  => [
                                                                        'type'        => [
                                                                                'list_of' => $post_type_object->graphql_single_name . ucfirst( $tax_object->graphql_plural_name ) . 'NodeInput',
                                                                        ],
                                                                        'description' => static function () {
                                                                                return __( 'The input list of items to set.', 'wp-graphql' );
                                                                        },
                                                                ],
                                                        ],
                                                ]
                                        );
                                }
                        }
                }

                /**
                 * Register TermObject types based on taxonomies configured to show_in_graphql
                 */
                foreach ( $allowed_taxonomies as $tax_object ) {
                        TermObject::register_types( $tax_object );

                        if ( empty( $tax_object->graphql_exclude_mutations ) || ! in_array( 'create', $tax_object->graphql_exclude_mutations, true ) ) {
                                TermObjectCreate::register_mutation( $tax_object );
                        }

                        if ( empty( $tax_object->graphql_exclude_mutations ) || ! in_array( 'update', $tax_object->graphql_exclude_mutations, true ) ) {
                                TermObjectUpdate::register_mutation( $tax_object );
                        }

                        if ( empty( $tax_object->graphql_exclude_mutations ) || ! in_array( 'delete', $tax_object->graphql_exclude_mutations, true ) ) {
                                TermObjectDelete::register_mutation( $tax_object );
                        }
                }

                /**
                 * Create the root query fields for any setting type in
                 * the $allowed_setting_types array.
                 */
                $allowed_setting_types = DataSource::get_allowed_settings_by_group( $this );

                /**
                 * The url is not a registered setting for multisite, so this is a polyfill
                 * to expose the URL to the Schema for multisite sites
                 */
                if ( is_multisite() ) {
                        $this->register_field(
                                'GeneralSettings',
                                'url',
                                [
                                        'type'        => 'String',
                                        'description' => static function () {
                                                return __( 'Site URL.', 'wp-graphql' );
                                        },
                                        'resolve'     => static function () {
                                                return get_site_url();
                                        },
                                ]
                        );
                }

                if ( ! empty( $allowed_setting_types ) && is_array( $allowed_setting_types ) ) {
                        foreach ( $allowed_setting_types as $group_name => $setting_type ) {
                                $group_name = DataSource::format_group_name( $group_name );
                                $type_name  = SettingGroup::register_settings_group( $group_name, $group_name, $this );

                                if ( ! $type_name ) {
                                        continue;
                                }

                                register_graphql_field(
                                        'RootQuery',
                                        Utils::format_field_name( $type_name ),
                                        [
                                                'type'        => $type_name,
                                                'description' => static function () use ( $group_name ) {
                                                        return sprintf(
                                                                // translators: %s is the GraphQL name of the settings group.
                                                                __( "Fields of the '%s' settings group", 'wp-graphql' ),
                                                                ucfirst( $group_name ) . 'Settings'
                                                        );
                                                },
                                                'resolve'     => static function () use ( $setting_type ) {
                                                        return $setting_type;
                                                },
                                        ]
                                );
                        }
                }

                /**
                 * Fire an action as the type registry is initialized. This executes
                 * before the `graphql_register_types` action to allow for earlier hooking
                 *
                 * @param \WPGraphQL\Registry\TypeRegistry $registry Instance of the TypeRegistry
                 */
                do_action( 'graphql_register_types', $type_registry );

                /**
                 * Fire an action as the type registry is initialized. This executes
                 * during the `graphql_register_types` action to allow for earlier hooking
                 *
                 * @param \WPGraphQL\Registry\TypeRegistry $registry Instance of the TypeRegistry
                 */
                do_action( 'graphql_register_types_late', $type_registry );
        }

        /**
         * Given a config for a custom Scalar, this adds the Scalar for use in the Schema.
         *
         * @param string              $type_name The name of the Type to register
         * @param array<string,mixed> $config    The config for the scalar type to register
         *
         * @phpstan-param WPScalarConfig $config
         *
         * @throws \Exception
         *
         * @return void
         */
        public function register_scalar( string $type_name, array $config ) {
                $config['kind'] = 'scalar';
                $this->register_type( $type_name, $config );
        }

        /**
         * Registers connections that were passed through the Type registration config
         *
         * @param array<string,mixed> $config Type config
         *
         * @return void
         *
         * @throws \Exception
         */
        protected function register_connections_from_config( array $config ) {
                $connections = $config['connections'] ?? null;

                if ( ! is_array( $connections ) ) {
                        return;
                }

                foreach ( $connections as $field_name => $connection_config ) {
                        if ( ! is_array( $connection_config ) ) {
                                continue;
                        }

                        $connection_config['fromType']      = $config['name'];
                        $connection_config['fromFieldName'] = $field_name;
                        register_graphql_connection( $connection_config );
                }
        }

        /**
         * Add a Type to the Registry
         *
         * @param string                      $type_name The name of the type to register
         * @param array<string,mixed>|TypeDef $config The config for the type
         *
         * @throws \Exception
         */
        public function register_type( string $type_name, $config ): void {
                /**
                 * If the type should be excluded from the schema, skip it.
                 */
                if ( in_array( strtolower( $type_name ), $this->get_excluded_types(), true ) ) {
                        return;
                }
                /**
                 * If the Type Name starts with a number, skip it.
                 */
                if ( ! is_valid_graphql_name( $type_name ) ) {
                        graphql_debug(
                                sprintf(
                                        // translators: %s is the name of the type.
                                        __( 'The Type name \'%1$s\' is invalid and has not been added to the GraphQL Schema.', 'wp-graphql' ),
                                        $type_name
                                ),
                                [
                                        'type'      => 'INVALID_TYPE_NAME',
                                        'type_name' => $type_name,
                                ]
                        );
                        return;
                }

                $type_key = $this->format_key( $type_name );

                // If the Type Name is already registered, skip it.
                if ( isset( $this->types[ $type_key ] ) || isset( $this->type_loaders[ $type_key ] ) ) {
                        graphql_debug(
                                sprintf(
                                        // translators: %s is the name of the type.
                                        __( 'You cannot register duplicate Types to the Schema. The Type \'%1$s\' already exists in the Schema. Make sure to give new Types a unique name.', 'wp-graphql' ),
                                        $type_name
                                ),
                                [
                                        'type'      => 'DUPLICATE_TYPE',
                                        'type_name' => $type_name,
                                ]
                        );
                        return;
                }

                // Register the type loader.
                $this->type_loaders[ $type_key ] = function () use ( $type_name, $config ) {
                        return $this->prepare_type( $type_name, $config );
                };

                // If the config isn't an array, there's nothing left to do.
                if ( ! is_array( $config ) ) {
                        return;
                }

                // Register any connections that were passed through the Type config
                if ( isset( $config['connections'] ) ) {
                        $config['name'] = ucfirst( $type_name ); // Other types are capitalized in the prepare_type method.
                        $this->register_connections_from_config( $config );
                }

                // Load eager types if this is an introspection query.
                $should_load_eagerly = WPGraphQL::is_introspection_query() && ! empty( $config['eagerlyLoadType'] );
                if ( ! $should_load_eagerly || isset( $this->eager_type_map[ $type_key ] ) ) {
                        return;
                }

                $this->eager_type_map[ $type_key ] = $type_key;
        }

        /**
         * Add an Object Type to the Registry
         *
         * @param string              $type_name The name of the type to register
         * @param array<string,mixed> $config The configuration of the type
         *
         * @throws \Exception
         */
        public function register_object_type( string $type_name, array $config ): void {
                $config['kind'] = 'object';
                $this->register_type( $type_name, $config );
        }

        /**
         * Add an Interface Type to the registry
         *
         * @param string              $type_name The name of the type to register
         * @param array<string,mixed> $config The configuration of the type
         *
         * @throws \Exception
         */
        public function register_interface_type( string $type_name, $config ): void {
                $config['kind'] = 'interface';
                $this->register_type( $type_name, $config );
        }

        /**
         * Add an Enum Type to the registry
         *
         * @param string              $type_name The name of the type to register
         * @param array<string,mixed> $config he configuration of the type
         *
         * @phpstan-param WPEnumTypeConfig $config
         *
         * @throws \Exception
         */
        public function register_enum_type( string $type_name, array $config ): void {
                $config['kind'] = 'enum';
                $this->register_type( $type_name, $config );
        }

        /**
         * Add an Input Type to the Registry
         *
         * @param string              $type_name The name of the type to register
         * @param array<string,mixed> $config he configuration of the type
         *
         * @throws \Exception
         */
        public function register_input_type( string $type_name, array $config ): void {
                $config['kind'] = 'input';
                $this->register_type( $type_name, $config );
        }

        /**
         * Add a Union Type to the Registry
         *
         * @param string              $type_name The name of the type to register
         * @param array<string,mixed> $config he configuration of the type
         *
         * @throws \Exception
         */
        public function register_union_type( string $type_name, array $config ): void {
                $config['kind'] = 'union';
                $this->register_type( $type_name, $config );
        }

        /**
         * Get the keys that are prepared for introspection.
         *
         * @return array<string>
         */
        protected static function get_introspection_keys(): array {

                if ( null === self::$introspection_keys ) {
                        /**
                         * Filter the keys that are prepared for introspection.
                         *
                         * @param array<string> $introspection_keys The keys to prepare for introspection.
                         */
                        $introspection_keys       = \apply_filters( 'graphql_introspection_keys', [ 'description', 'deprecationReason' ] );
                        self::$introspection_keys = $introspection_keys;
                }

                return self::$introspection_keys;
        }

        /**
         * Prepare the config for introspection. This is used to resolve callable values for description and deprecationReason for
         * introspection queries.
         *
         * @template T of array<string,mixed>
         * @param T $config The config to prepare.
         *
         * @return array<string,mixed> The prepared config.
         * @phpstan-return T|array{description?: string|null, deprecationReason?: string|null}
         *
         * @internal
         */
        public static function prepare_config_for_introspection( array $config ): array {

                // Get the keys that are prepared for introspection.
                $introspection_keys = self::get_introspection_keys();

                foreach ( $introspection_keys as $key ) {
                        if ( ! isset( $config[ $key ] ) || ! is_callable( $config[ $key ] ) ) {
                                continue;
                        }

                        if ( ! WPGraphQL::is_introspection_query() ) {
                                // If not introspection, set to null.
                                $config[ $key ] = null;
                                continue;
                        }

                        $config[ $key ] = is_callable( $config[ $key ] ) ? $config[ $key ]() : '';
                }

                return $config;
        }

        /**
         * Prepare the type for registration.
         *
         * @template T of WPEnumTypeConfig|WPScalarConfig|array<string,mixed>
         *
         * @param string    $type_name The name of the type to prepare
         * @param T|TypeDef $config    The config for the type
         *
         * @return ?TypeDef The prepared type
         */
        protected function prepare_type( string $type_name, $config ) {
                if ( ! is_array( $config ) ) {
                        return $config;
                }

                if ( empty( $config ) ) {
                        return null;
                }

                $config         = self::prepare_config_for_introspection( $config );
                $config['name'] = ucfirst( $type_name );

                $kind = isset( $config['kind'] ) ? $config['kind'] : null;
                switch ( $kind ) {
                        case 'enum':
                                /** @var WPEnumTypeConfig $config */
                                $prepared_type = new WPEnumType( $config );
                                break;
                        case 'input':
                                /** @var InputObjectConfig $config */
                                $prepared_type = new WPInputObjectType( $config, $this );
                                break;
                        case 'scalar':
                                $prepared_type = new WPScalar( $config, $this );
                                break;
                        case 'union':
                                $prepared_type = new WPUnionType( $config, $this );
                                break;
                        case 'interface':
                                /** @var InterfaceConfig $config */
                                $prepared_type = new WPInterfaceType( $config, $this );
                                break;
                        case 'object':
                        default:
                                /** @var ObjectConfig $config */
                                $prepared_type = new WPObjectType( $config, $this );
                }

                return $prepared_type;
        }

        /**
         * Given a type name, returns the type or null if not found
         *
         * @param string $type_name The name of the Type to get from the registry
         *
         * @return ?TypeDef
         */
        public function get_type( string $type_name ) {
                $key = $this->format_key( $type_name );

                if ( isset( $this->type_loaders[ $key ] ) ) {
                        $type = $this->type_loaders[ $key ]();
                        /**
                         * Filter the type before it is loaded into the registry.
                         *
                         * @param ?TypeDef $type The type to load.
                         * @param string   $type_name The name of the type.
                         */
                        $this->types[ $key ] = apply_filters( 'graphql_get_type', $type, $type_name );
                        unset( $this->type_loaders[ $key ] );
                }

                return $this->types[ $key ] ?? null;
        }

        /**
         * Given a type name, determines if the type is already present in the Type Loader
         *
         * @param string $type_name The name of the type to check the registry for
         */
        public function has_type( string $type_name ): bool {
                return isset( $this->type_loaders[ $this->format_key( $type_name ) ] );
        }

        /**
         * Return the Types in the registry
         *
         * @return TypeDef[]
         */
        public function get_types(): array {
                // The full map of types is merged with eager types to support the
                // rename_graphql_type API.
                //
                // All of the types are closures, but eager Types are the full
                // Type definitions up front
                return array_filter( array_merge( $this->types, $this->get_eager_type_map() ) );
        }

        /**
         * Wrapper for prepare_field to prepare multiple fields for registration at once
         *
         * @param array<string,mixed> $fields    Array of fields and their settings to register on a Type
         * @param string              $type_name Name of the Type to register the fields to
         *
         * @return array<string,mixed>
         * @throws \Exception
         */
        public function prepare_fields( array $fields, string $type_name ): array {
                $prepared_fields = [];
                foreach ( $fields as $field_name => $field_config ) {
                        if ( is_array( $field_config ) && isset( $field_config['type'] ) ) {
                                $prepared_field = $this->prepare_field( $field_name, $field_config, $type_name );
                                if ( ! empty( $prepared_field ) ) {
                                        $prepared_fields[ $this->format_key( $field_name ) ] = $prepared_field;
                                }
                        }
                }

                return $prepared_fields;
        }

        /**
         * Prepare the field to be registered on the type
         *
         * @param string              $field_name   Friendly name of the field
         * @param array<string,mixed> $field_config Config data about the field to prepare
         * @param string              $type_name    Name of the type to prepare the field for
         *
         * @return ?array<string,mixed>
         * @throws \Exception
         */
        protected function prepare_field( string $field_name, array $field_config, string $type_name ): ?array {
                if ( ! isset( $field_config['name'] ) ) {
                        $field_config['name'] = lcfirst( $field_name );
                }

                if ( ! isset( $field_config['type'] ) ) {
                        graphql_debug(
                                sprintf(
                                        /* translators: %s is the Field name. */
                                        __( 'The registered field \'%s\' does not have a Type defined. Make sure to define a type for all fields.', 'wp-graphql' ),
                                        $field_name
                                ),
                                [
                                        'type'       => 'INVALID_FIELD_TYPE',
                                        'type_name'  => $type_name,
                                        'field_name' => $field_name,
                                ]
                        );
                        return null;
                }

                /**
                 * If the type is a string, create a callable wrapper to get the type from
                 * type registry. This preserves lazy-loading and prevents a bug where a type
                 * has the same name as a function in the global scope (e.g., `header()`) and
                 * is called since it passes `is_callable`.
                 */
                if ( is_string( $field_config['type'] ) ) {
                        // Bail if the type is excluded from the Schema.
                        if ( in_array( strtolower( $field_config['type'] ), $this->get_excluded_types(), true ) ) {
                                return null;
                        }

                        $field_config['type'] = function () use ( $field_config, $type_name ) {
                                $type = $this->get_type( $field_config['type'] );
                                if ( ! $type ) {
                                        $message = sprintf(
                                        /* translators: %1$s is the Field name, %2$s is the type name the field belongs to. %3$s is the non-existent type name being referenced. */
                                                __( 'The field \'%1$s\' on Type \'%2$s\' is configured to return \'%3$s\' which is a non-existent Type in the Schema. Make sure to define a valid type for all fields. This might occur if there was a typo with \'%3$s\', or it needs to be registered to the Schema.', 'wp-graphql' ),
                                                $field_config['name'],
                                                $type_name,
                                                $field_config['type']
                                        );
                                        // We throw an error here instead of graphql_debug message, as an error would already be thrown if a type didn't exist at this point,
                                        // but now it will have a more helpful error message.
                                        throw new Error( esc_html( $message ) );
                                }
                                return $type;
                        };
                }

                /**
                 * If the type is an array, it contains type modifiers (e.g., "non_null").
                 * Create a callable wrapper to preserve lazy-loading.
                 */
                if ( is_array( $field_config['type'] ) ) {
                        // Bail if the type is excluded from the Schema.
                        $unmodified_type_name = $this->get_unmodified_type_name( $field_config['type'] );

                        if ( empty( $unmodified_type_name ) || in_array( strtolower( $unmodified_type_name ), $this->get_excluded_types(), true ) ) {
                                return null;
                        }

                        $field_config['type'] = function () use ( $field_config ) {
                                return $this->setup_type_modifiers( $field_config['type'] );
                        };
                }

                /**
                 * If the field has arguments, each one must be prepared.
                 */
                if ( isset( $field_config['args'] ) && is_array( $field_config['args'] ) ) {
                        foreach ( $field_config['args'] as $arg_name => $arg_config ) {
                                $arg = $this->prepare_field( $arg_name, $arg_config, $type_name );

                                // Remove the arg if the field could not be prepared.
                                if ( empty( $arg ) ) {
                                        unset( $field_config['args'][ $arg_name ] );
                                        continue;
                                }

                                $field_config['args'][ $arg_name ] = $arg;
                        }
                }

                /**
                 * If the field has no (remaining) valid arguments, unset the key.
                 */
                if ( empty( $field_config['args'] ) ) {
                        unset( $field_config['args'] );
                }

                $field_config = self::prepare_config_for_introspection( $field_config );

                return $field_config;
        }

        /**
         * Processes type modifiers (e.g., "non-null"). Loads types immediately, so do
         * not call before types are ready to be loaded.
         *
         * @template WrappedType of array{non_null:mixed}|array{list_of:mixed}
         * @param WrappedType|array<string,mixed>|string|\GraphQL\Type\Definition\Type $type The type to process.
         *
         * @return ($type is WrappedType ? \GraphQL\Type\Definition\Type : (array<string,mixed>|string|\GraphQL\Type\Definition\Type))
         * @throws \Exception
         */
        public function setup_type_modifiers( $type ) {
                if ( ! is_array( $type ) ) {
                        return $type;
                }

                if ( isset( $type['non_null'] ) ) {
                        /** @var TypeDef inner_type */
                        $inner_type = $this->setup_type_modifiers( $type['non_null'] );
                        return $this->non_null( $inner_type );
                }

                if ( isset( $type['list_of'] ) ) {
                        /** @var TypeDef $inner_type */
                        $inner_type = $this->setup_type_modifiers( $type['list_of'] );
                        return $this->list_of( $inner_type );
                }

                return $type;
        }

        /**
         * Wrapper for the register_field method to register multiple fields at once
         *
         * @param string                            $type_name Name of the type in the Type Registry to add the fields to
         * @param array<string,array<string,mixed>> $fields    Fields to register
         *
         * @throws \Exception
         */
        public function register_fields( string $type_name, array $fields = [] ): void {
                if ( ! empty( $fields ) ) {
                        foreach ( $fields as $field_name => $config ) {
                                if ( is_string( $field_name ) && ! empty( $config ) && is_array( $config ) ) {
                                        $this->register_field( $type_name, $field_name, $config );
                                }
                        }
                }
        }

        /**
         * Add a field to a Type in the Type Registry
         *
         * @param string              $type_name  Name of the type in the Type Registry to add the fields to
         * @param string              $field_name Name of the field to add to the type
         * @param array<string,mixed> $config     Info about the field to register to the type
         *
         * @throws \Exception
         */
        public function register_field( string $type_name, string $field_name, array $config ): void {
                add_filter(
                        'graphql_' . $type_name . '_fields',
                        function ( $fields ) use ( $type_name, $field_name, $config ) {

                                // Whether the field should be allowed to have underscores in the field name
                                $allow_field_underscores = isset( $config['allowFieldUnderscores'] ) && true === $config['allowFieldUnderscores'];

                                $field_name = Utils::format_field_name( $field_name, $allow_field_underscores );

                                if ( preg_match( '/^\d/', $field_name ) ) {
                                        graphql_debug(
                                                sprintf(
                                                        // translators: %1$s is the field name, %2$s is the type name.
                                                        __( 'The field \'%1$s\' on Type \'%2$s\' is invalid. Field names cannot start with a number.', 'wp-graphql' ),
                                                        $field_name,
                                                        $type_name
                                                ),
                                                [
                                                        'type'       => 'INVALID_FIELD_NAME',
                                                        'field_name' => $field_name,
                                                        'type_name'  => $type_name,
                                                ]
                                        );
                                        return $fields;
                                }

                                // if a field has already been registered with the same name output a debug message
                                if ( isset( $fields[ $field_name ] ) ) {

                                        // if the existing field is a connection type
                                        // and the new field is also a connection type
                                        // and the toType is the same for both
                                        // then we can allow the duplicate field
                                        if (
                                                isset(
                                                        $fields[ $field_name ]['isConnectionField'],
                                                        $config['isConnectionField'],
                                                        $fields[ $field_name ]['toType'],
                                                        $config['toType'],
                                                        $fields[ $field_name ]['connectionTypeName'],
                                                        $config['connectionTypeName']
                                                ) &&
                                                $fields[ $field_name ]['toType'] === $config['toType'] &&
                                                $fields[ $field_name ]['connectionTypeName'] === $config['connectionTypeName']
                                        ) {
                                                return $fields;
                                        }

                                        graphql_debug(
                                                sprintf(
                                                        // translators: %1$s is the field name, %2$s is the type name.
                                                        __( 'You cannot register duplicate fields on the same Type. The field \'%1$s\' already exists on the type \'%2$s\'. Make sure to give the field a unique name.', 'wp-graphql' ),
                                                        $field_name,
                                                        $type_name
                                                ),
                                                [
                                                        'type'            => 'DUPLICATE_FIELD',
                                                        'field_name'      => $field_name,
                                                        'type_name'       => $type_name,
                                                        'existing_field'  => $fields[ $field_name ],
                                                        'duplicate_field' => $config,
                                                ]
                                        );
                                        return $fields;
                                }

                                /**
                                 * If the field returns a properly prepared field, add it the the field registry
                                 */
                                $field = $this->prepare_field( $field_name, $config, $type_name );

                                if ( ! empty( $field ) ) {
                                        $fields[ $field_name ] = $field;
                                }

                                return $fields;
                        },
                        10,
                        1
                );
        }

        /**
         * Remove a field from a type
         *
         * @param string $type_name  Name of the Type the field is registered to
         * @param string $field_name Name of the field you would like to remove from the type
         *
         * @return void
         */
        public function deregister_field( string $type_name, string $field_name ) {
                add_filter(
                        'graphql_' . $type_name . '_fields',
                        static function ( $fields ) use ( $field_name ) {
                                if ( isset( $fields[ $field_name ] ) ) {
                                        unset( $fields[ $field_name ] );
                                }

                                return $fields;
                        }
                );
        }

        /**
         * Method to register a new connection in the Type registry
         *
         * @param array<string,mixed> $config The info about the connection being registered
         *
         * @throws \InvalidArgumentException
         * @throws \Exception
         */
        public function register_connection( array $config ): void {
                new WPConnectionType( $config, $this );
        }

        /**
         * Handles registration of a mutation to the Type registry
         *
         * @param string              $mutation_name Name of the mutation being registered
         * @param array<string,mixed> $config        Info about the mutation being registered
         *
         * @throws \Exception
         */
        public function register_mutation( string $mutation_name, array $config ): void {
                // Bail if the mutation has been excluded from the schema.
                if ( in_array( strtolower( $mutation_name ), $this->get_excluded_mutations(), true ) ) {
                        return;
                }

                $config['name'] = $mutation_name;
                new WPMutationType( $config, $this );
        }

        /**
         * Removes a GraphQL mutation from the schema.
         *
         * This works by preventing the mutation from being registered in the first place.
         *
         * @uses 'graphql_excluded_mutations' filter.
         *
         * @param string $mutation_name Name of the mutation to remove from the schema.
         *
         * @since 1.14.0
         */
        public function deregister_mutation( string $mutation_name ): void {
                // Prevent the mutation from being registered to the scheme directly.
                add_filter(
                        'graphql_excluded_mutations',
                        static function ( $excluded_mutations ) use ( $mutation_name ): array {
                                // Normalize the types to prevent case sensitivity issues.
                                $mutation_name = strtolower( $mutation_name );
                                // If the type isn't already excluded, add it to the array.
                                if ( ! in_array( $mutation_name, $excluded_mutations, true ) ) {
                                        $excluded_mutations[] = $mutation_name;
                                }

                                return $excluded_mutations;
                        },
                        10
                );
        }

        /**
         * Removes a GraphQL connection from the schema.
         *
         * This works by preventing the connection from being registered in the first place.
         *
         * @uses 'graphql_excluded_connections' filter.
         *
         * @param string $connection_name The GraphQL connection name.
         */
        public function deregister_connection( string $connection_name ): void {
                add_filter(
                        'graphql_excluded_connections',
                        static function ( $excluded_connections ) use ( $connection_name ) {
                                $connection_name = strtolower( $connection_name );

                                if ( ! in_array( $connection_name, $excluded_connections, true ) ) {
                                        $excluded_connections[] = $connection_name;
                                }

                                return $excluded_connections;
                        }
                );
        }

        /**
         * Given a Type, this returns an instance of a NonNull of that type.
         *
         * @template T of \GraphQL\Type\Definition\NullableType&\GraphQL\Type\Definition\Type
         * @param T|string $type The Type being wrapped.
         */
        public function non_null( $type ): \GraphQL\Type\Definition\NonNull {
                if ( is_string( $type ) ) {
                        $type_def = $this->get_type( $type );

                        /** @phpstan-var T&TypeDef $type_def */
                        return Type::nonNull( $type_def );
                }

                return Type::nonNull( $type );
        }

        /**
         * Given a Type, this returns an instance of a listOf of that type.
         *
         * @template T of \GraphQL\Type\Definition\Type
         * @param T|string $type The Type being wrapped.
         *
         * @return \GraphQL\Type\Definition\ListOfType<\GraphQL\Type\Definition\Type>
         */
        public function list_of( $type ): \GraphQL\Type\Definition\ListOfType {
                if ( is_string( $type ) ) {
                        $resolved_type = $this->get_type( $type );

                        if ( is_null( $resolved_type ) ) {
                                $resolved_type = Type::string();
                        }

                        $type = $resolved_type;
                }

                return Type::listOf( $type );
        }

        /**
         * Get the list of GraphQL type names to exclude from the schema.
         *
         * Type names are normalized using `strtolower()`, to avoid case sensitivity issues.
         *
         * @since 1.13.0
         *
         * @return string[]
         */
        public function get_excluded_types(): array {
                if ( null === $this->excluded_types ) {
                        /**
                         * Filter the list of GraphQL types to exclude from the schema.
                         *
                         * Note: using this filter directly will NOT remove the type from being referenced as a possible interface or a union type.
                         * To remove a GraphQL from the schema **entirely**, please use deregister_graphql_type();
                         *
                         * @param string[] $excluded_types The names of the GraphQL Types to exclude.
                         *
                         * @since 1.13.0
                         */
                        $excluded_types = apply_filters( 'graphql_excluded_types', [] );

                        // Normalize the types to be lowercase, to avoid case-sensitivity issue when comparing.
                        $this->excluded_types = ! empty( $excluded_types ) ? array_map( 'strtolower', $excluded_types ) : [];
                }

                return $this->excluded_types;
        }

        /**
         * Get the list of GraphQL connections to exclude from the schema.
         *
         * Type names are normalized using `strtolower()`, to avoid case sensitivity issues.
         *
         * @return string[]
         *
         * @since 1.14.0
         */
        public function get_excluded_connections(): array {
                if ( null === $this->excluded_connections ) {
                        /**
                         * Filter the list of GraphQL connections to excluded from the registry.
                         *
                         * @param string[] $excluded_connections The names of the GraphQL connections to exclude.
                         *
                         * @since 1.14.0
                         */
                        $excluded_connections = apply_filters( 'graphql_excluded_connections', [] );

                        // Normalize the types to be lowercase, to avoid case-sensitivity issue when comparing.
                        $this->excluded_connections = ! empty( $excluded_connections ) ? array_map( 'strtolower', $excluded_connections ) : [];
                }

                return $this->excluded_connections;
        }

        /**
         * Get the list of GraphQL mutation names to exclude from the schema.
         *
         * Mutation names are normalized using `strtolower()`, to avoid case sensitivity issues.
         *
         * @return string[]
         * @since 1.14.0
         */
        public function get_excluded_mutations(): array {
                if ( null === $this->excluded_mutations ) {
                        /**
                         * Filter the list of GraphQL mutations to excluded from the registry.
                         *
                         * @param string[] $excluded_mutations The names of the GraphQL mutations to exclude.
                         *
                         * @since 1.14.0
                         */
                        $excluded_mutations = apply_filters( 'graphql_excluded_mutations', [] );

                        // Normalize the types to be lowercase, to avoid case-sensitivity issue when comparing.
                        $this->excluded_mutations = ! empty( $excluded_mutations ) ? array_map( 'strtolower', $excluded_mutations ) : [];
                }

                return $this->excluded_mutations;
        }

        /**
         * Gets the actual type name, stripped of possible NonNull and ListOf wrappers.
         *
         * Returns an empty string if the type modifiers are malformed.
         *
         * @param string|array<string|int,mixed> $type The (possibly-wrapped) type name.
         */
        protected function get_unmodified_type_name( $type ): string {
                if ( ! is_array( $type ) ) {
                        return $type;
                }

                $type = array_values( $type )[0] ?? '';

                return $this->get_unmodified_type_name( $type );
        }
}

wp-graphql / wp-graphql / 17334288077

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