Standalone Block Registration/Block Dependencies

class.jetpack-gutenberg.php

@@ -106,10 +106,11 @@ public static function should_load_blocks() {
 	 * Only enqueue block assets when needed.
 	 *
 	 * @param string $type slug of the block.
+	 * @param array $script_dependencies An array of view-side Javascript dependencies to be enqueued.
 	 *
 	 * @return void
 	 */
-	public static function load_assets_as_required( $type ) {
+	public static function load_assets_as_required( $type, $script_dependencies = array() ) {
 		$type = sanitize_title_with_dashes( $type );
 		// Enqueue styles.
 		$style_relative_path = '_inc/blocks/' . $type . '/view' . ( is_rtl() ? '.rtl' : '' ) . '.css';
@@ -124,7 +125,7 @@ public static function load_assets_as_required( $type ) {
 		if ( self::block_has_asset( $script_relative_path ) ) {
 			$script_version = self::get_asset_version( $script_relative_path );
 			$view_script    = plugins_url( $script_relative_path, JETPACK__PLUGIN_FILE );
-			wp_enqueue_script( 'jetpack-block-' . $type, $view_script, array(), $script_version, false );
+			wp_enqueue_script( 'jetpack-block-' . $type, $view_script, $script_dependencies, $script_version, false );
 		}
 	}
 

modules/blocks.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Load code specific to Gutenberg blocks which are not tied to a module.
+ * This file is unusual, and is not an actual `module` as such.
+ * It is included in ./module-extras.php
+ *
+ */
+
+jetpack_register_block(
+	'map',
+	array(
+		'render_callback' => 'jetpack_map_block_load_assets',
+	)
+);
+
+/**
+ * Map block registration/dependency declaration.
+ *
+ * @param array  $attr - Array containing the map block attributes.
+ * @param string $content - String containing the map block content.
+ *
+ * @return string
+ */
+function jetpack_map_block_load_assets( $attr, $content ) {
+	$dependencies = array(
+		'wp-element',
+		'wp-i18n',
+		'wp-api-fetch',
+	);
+	Jetpack_Gutenberg::load_assets_as_required( 'map', $dependencies );
+	return $content;
+}

modules/module-extras.php

@@ -38,6 +38,11 @@
 	);
 }
 
+/* If Gutenberg blocks are enabled, register blocks that aren't associated with modules */
+if ( Jetpack_Gutenberg::should_load_blocks() ) {
+	$tools[] = 'blocks.php';
+}
+
 /**
  * Filter extra tools (not modules) to include.
  *
@@ -62,4 +67,4 @@
 function jetpack_widgets_add_suffix( $widget_name ) {
 	return sprintf( __( '%s (Jetpack)', 'jetpack' ), $widget_name );
 }
-add_filter( 'jetpack_widget_name', 'jetpack_widgets_add_suffix' );
+add_filter( 'jetpack_widget_name', 'jetpack_widgets_add_suffix' );