first commit

wp-includes/blocks/query-title.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Server-side rendering of the `core/query-title` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/query-title` block on the server.
+ * For now it only supports Archive title,
+ * using queried object information
+ *
+ * @param array $attributes Block attributes.
+ *
+ * @return string Returns the query title based on the queried object.
+ */
+function render_block_core_query_title( $attributes ) {
+	$type       = isset( $attributes['type'] ) ? $attributes['type'] : null;
+	$is_archive = is_archive();
+	$is_search  = is_search();
+	if ( ! $type ||
+		( 'archive' === $type && ! $is_archive ) ||
+		( 'search' === $type && ! $is_search )
+		) {
+		return '';
+	}
+	$title = '';
+	if ( $is_archive ) {
+		$show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;
+		if ( ! $show_prefix ) {
+			add_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
+			$title = get_the_archive_title();
+			remove_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
+		} else {
+			$title = get_the_archive_title();
+		}
+	}
+	if ( $is_search ) {
+		$title = __( 'Search results' );
+
+		if ( isset( $attributes['showSearchTerm'] ) && $attributes['showSearchTerm'] ) {
+			$title = sprintf(
+				/* translators: %s is the search term. */
+				__( 'Search results for: "%s"' ),
+				get_search_query()
+			);
+		}
+	}
+
+	$tag_name           = isset( $attributes['level'] ) ? 'h' . (int) $attributes['level'] : 'h1';
+	$align_class_name   = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
+	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
+	return sprintf(
+		'<%1$s %2$s>%3$s</%1$s>',
+		$tag_name,
+		$wrapper_attributes,
+		$title
+	);
+}
+
+/**
+ * Registers the `core/query-title` block on the server.
+ */
+function register_block_core_query_title() {
+	register_block_type_from_metadata(
+		__DIR__ . '/query-title',
+		array(
+			'render_callback' => 'render_block_core_query_title',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_query_title' );