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<?php /** * Server-side rendering of the `core/query` block. * * @package WordPress */ /** * Modifies the static `core/query` block on the server. * * @since 6.4.0 * * @param array $attributes Block attributes. * @param string $content Block default content. * @param WP_Block $block The block instance. * * @return string Returns the modified output of the query block. */ function render_block_core_query( $attributes, $content, $block ) { $is_interactive = isset( $attributes['enhancedPagination'] ) && true === $attributes['enhancedPagination'] && isset( $attributes['queryId'] ); // Enqueue the script module and add the necessary directives if the block is // interactive. if ( $is_interactive ) { wp_enqueue_script_module( '@wordpress/block-library/query/view' ); $p = new WP_HTML_Tag_Processor( $content ); if ( $p->next_tag() ) { // Add the necessary directives. $p->set_attribute( 'data-wp-interactive', 'core/query' ); $p->set_attribute( 'data-wp-router-region', 'query-' . $attributes['queryId'] ); $p->set_attribute( 'data-wp-context', '{}' ); $p->set_attribute( 'data-wp-key', $attributes['queryId'] ); $content = $p->get_updated_html(); } } // Add the styles to the block type if the block is interactive and remove // them if it's not. $style_asset = 'wp-block-query'; if ( ! wp_style_is( $style_asset ) ) { $style_handles = $block->block_type->style_handles; // If the styles are not needed, and they are still in the `style_handles`, remove them. if ( ! $is_interactive && in_array( $style_asset, $style_handles, true ) ) { $block->block_type->style_handles = array_diff( $style_handles, array( $style_asset ) ); } // If the styles are needed, but they were previously removed, add them again. if ( $is_interactive && ! in_array( $style_asset, $style_handles, true ) ) { $block->block_type->style_handles = array_merge( $style_handles, array( $style_asset ) ); } } return $content; } /** * Registers the `core/query` block on the server. * * @since 5.8.0 */ function register_block_core_query() { register_block_type_from_metadata( __DIR__ . '/query', array( 'render_callback' => 'render_block_core_query', ) ); } add_action( 'init', 'register_block_core_query' ); /** * Traverse the tree of blocks looking for any plugin block (i.e., a block from * an installed plugin) inside a Query block with the enhanced pagination * enabled. If at least one is found, the enhanced pagination is effectively * disabled to prevent any potential incompatibilities. * * @since 6.4.0 * * @param array $parsed_block The block being rendered. * @return array Returns the parsed block, unmodified. */ function block_core_query_disable_enhanced_pagination( $parsed_block ) { static $enhanced_query_stack = array(); static $dirty_enhanced_queries = array(); static $render_query_callback = null; $block_name = $parsed_block['blockName']; $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); $has_enhanced_pagination = isset( $parsed_block['attrs']['enhancedPagination'] ) && true === $parsed_block['attrs']['enhancedPagination'] && isset( $parsed_block['attrs']['queryId'] ); /* * Client side navigation can be true in two states: * - supports.interactivity = true; * - supports.interactivity.clientNavigation = true; */ $supports_client_navigation = ( isset( $block_type->supports['interactivity']['clientNavigation'] ) && true === $block_type->supports['interactivity']['clientNavigation'] ) || ( isset( $block_type->supports['interactivity'] ) && true === $block_type->supports['interactivity'] ); if ( 'core/query' === $block_name && $has_enhanced_pagination ) { $enhanced_query_stack[] = $parsed_block['attrs']['queryId']; if ( ! isset( $render_query_callback ) ) { /** * Filter that disables the enhanced pagination feature during block * rendering when a plugin block has been found inside. It does so * by adding an attribute called `data-wp-navigation-disabled` which * is later handled by the front-end logic. * * @param string $content The block content. * @param array $block The full block, including name and attributes. * @return string Returns the modified output of the query block. */ $render_query_callback = static function ( $content, $block ) use ( &$enhanced_query_stack, &$dirty_enhanced_queries, &$render_query_callback ) { $has_enhanced_pagination = isset( $block['attrs']['enhancedPagination'] ) && true === $block['attrs']['enhancedPagination'] && isset( $block['attrs']['queryId'] ); if ( ! $has_enhanced_pagination ) { return $content; } if ( isset( $dirty_enhanced_queries[ $block['attrs']['queryId'] ] ) ) { // Disable navigation in the router store config. wp_interactivity_config( 'core/router', array( 'clientNavigationDisabled' => true ) ); $dirty_enhanced_queries[ $block['attrs']['queryId'] ] = null; } array_pop( $enhanced_query_stack ); if ( empty( $enhanced_query_stack ) ) { remove_filter( 'render_block_core/query', $render_query_callback ); $render_query_callback = null; } return $content; }; add_filter( 'render_block_core/query', $render_query_callback, 10, 2 ); } } elseif ( ! empty( $enhanced_query_stack ) && isset( $block_name ) && ( ! $supports_client_navigation ) ) { foreach ( $enhanced_query_stack as $query_id ) { $dirty_enhanced_queries[ $query_id ] = true; } } return $parsed_block; } add_filter( 'render_block_data', 'block_core_query_disable_enhanced_pagination', 10, 1 );