MU WPCOM: Port enqueue_coblocks_gallery_scripts from the ETK

projects/packages/jetpack-mu-wpcom/changelog/mu-wpcom-coblocks

@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+MU WPCOM: Port enqueue_coblocks_gallery_scripts from the ETK

projects/packages/jetpack-mu-wpcom/src/class-jetpack-mu-wpcom.php

@@ -160,6 +160,7 @@ public static function load_etk_features_flags() {
 			return;
 		}
 
+		define( 'MU_WPCOM_COBLOCKS_GALLERY', true );
 		define( 'MU_WPCOM_CUSTOM_LINE_HEIGHT', true );
 		define( 'MU_WPCOM_BLOCK_INSERTER_MODIFICATIONS', true );
 		define( 'MU_WPCOM_HOMEPAGE_TITLE_HIDDEN', true );

projects/packages/jetpack-mu-wpcom/src/features/wpcom-legacy-fse/wpcom-legacy-fse.php

@@ -132,3 +132,52 @@ function load_wpcom_fse() {
 	add_action( 'init', __NAMESPACE__ . '\wpcom_fse_register_template_post_types' );
 }
 add_action( 'plugins_loaded', __NAMESPACE__ . '\load_wpcom_fse' );
+
+/**
+ * Add front-end CoBlocks gallery block scripts.
+ *
+ * This function performs the same enqueueing duties as `CoBlocks_Block_Assets::frontend_scripts`,
+ * but for dotcom FSE header and footer content. `frontend_scripts` uses
+ * `has_block` to determine if gallery blocks are present, and `has_block` is
+ * not aware of content sections outside of post_content yet.
+ */
+function enqueue_coblocks_gallery_scripts() {
+	if ( ! defined( 'COBLOCKS_VERSION' ) || ! function_exists( 'CoBlocks' ) || ! is_full_site_editing_active() ) {
+		return;
+	}
+
+	$template = new WP_Template();
+	$header   = $template->get_template_content( 'header' );
+	$footer   = $template->get_template_content( 'footer' );
+
+	// Define where the asset is loaded from.
+	// @phan-suppress-next-line PhanUndeclaredFunction
+	$dir = CoBlocks()->asset_source( 'js' );
+
+	// Define where the vendor asset is loaded from.
+	// @phan-suppress-next-line PhanUndeclaredFunction
+	$vendors_dir = CoBlocks()->asset_source( 'js', 'vendors' );
+
+	// Masonry block.
+	if ( has_block( 'coblocks/gallery-masonry', $header . $footer ) ) {
+		wp_enqueue_script(
+			'coblocks-masonry',
+			$dir . 'coblocks-masonry.min.js',
+			array( 'jquery', 'masonry', 'imagesloaded' ),
+			COBLOCKS_VERSION,
+			true
+		);
+	}
+
+	// Carousel block.
+	if ( has_block( 'coblocks/gallery-carousel', $header . $footer ) ) {
+		wp_enqueue_script(
+			'coblocks-flickity',
+			$vendors_dir . '/flickity.js',
+			array( 'jquery' ),
+			COBLOCKS_VERSION,
+			true
+		);
+	}
+}
+add_action( 'wp_enqueue_scripts', __NAMESPACE__ . '\enqueue_coblocks_gallery_scripts' );

projects/plugins/mu-wpcom-plugin/changelog/mu-wpcom-coblocks

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/wpcomsh/changelog/mu-wpcom-coblocks

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+