Block Bindings: Add term data source

src/wp-includes/block-bindings/term-data.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * Term Data source for the block bindings.
+ *
+ * @since 6.9.0
+ * @package gutenberg
+ * @subpackage Block Bindings
+ */
+
+/**
+ * Gets value for Term Data source.
+ *
+ * @since 6.9.0
+ * @access private
+ *
+ * @param array    $source_args    Array containing source arguments used to look up the override value.
+ *                                 Example: array( "key" => "name" ).
+ * @param WP_Block $block_instance The block instance.
+ * @return mixed The value computed for the source.
+ */
+function gutenberg_block_bindings_term_data_get_value( array $source_args, $block_instance ) {
+	if ( empty( $source_args['key'] ) ) {
+		return null;
+	}
+
+	if ( empty( $block_instance->context['termId'] ) || empty( $block_instance->context['taxonomy'] ) ) {
+		return null;
+	}
+
+	$term_id  = $block_instance->context['termId'];
+	$taxonomy = $block_instance->context['taxonomy'];
+
+	// Get the term data.
+	$term = get_term( $term_id, $taxonomy );
+	if ( is_wp_error( $term ) || ! $term ) {
+		return null;
+	}
+
+	// Check if taxonomy exists and is publicly queryable.
+	$taxonomy_object = get_taxonomy( $taxonomy );
+	if ( ! $taxonomy_object || ! $taxonomy_object->publicly_queryable ) {
+		if ( ! current_user_can( 'read' ) ) {
+			return null;
+		}
+	}
+
+	switch ( $source_args['key'] ) {
+		case 'id':
+			return esc_html( (string) $term_id );
+
+		case 'name':
+			return esc_html( $term->name );
+
+		case 'link':
+			return esc_url( get_term_link( $term ) );
+
+		case 'slug':
+			return esc_html( $term->slug );
+
+		case 'description':
+			return wp_kses_post( $term->description );
+
+		case 'parent':
+			return esc_html( (string) $term->parent );
+
+		case 'count':
+			return esc_html( (string) '(' . $term->count . ')' );
+
+		default:
+			return null;
+	}
+}
+
+/**
+ * Registers Term Data source in the block bindings registry.
+ *
+ * @since 6.9.0
+ * @access private
+ */
+function gutenberg_register_block_bindings_term_data_source() {
+	if ( get_block_bindings_source( 'core/term-data' ) ) {
+		// The source is already registered.
+		return;
+	}
+
+	register_block_bindings_source(
+		'core/term-data',
+		array(
+			'label'              => _x( 'Term Data', 'block bindings source' ),
+			'get_value_callback' => 'gutenberg_block_bindings_term_data_get_value',
+			'uses_context'       => array( 'termId', 'taxonomy' ),
+		)
+	);
+}
+
+add_action( 'init', 'gutenberg_register_block_bindings_term_data_source' );

src/wp-settings.php

@@ -367,6 +367,7 @@
 require ABSPATH . WPINC . '/block-bindings/pattern-overrides.php';
 require ABSPATH . WPINC . '/block-bindings/post-data.php';
 require ABSPATH . WPINC . '/block-bindings/post-meta.php';
+require ABSPATH . WPINC . '/block-bindings/term-data.php';
 require ABSPATH . WPINC . '/blocks.php';
 require ABSPATH . WPINC . '/blocks/index.php';
 require ABSPATH . WPINC . '/block-editor.php';