init

wp-content/plugins/jetpack/extensions/blocks/premium-content/buttons/buttons.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Premium Content Buttons Child Block.
+ *
+ * @package automattic/jetpack
+ */
+
+namespace Automattic\Jetpack\Extensions\Premium_Content;
+
+use Automattic\Jetpack\Blocks;
+use Jetpack_Gutenberg;
+
+const BUTTONS_NAME = 'premium-content/buttons';
+
+/**
+ * Registers the block for use in Gutenberg
+ * This is done via an action so that we can disable
+ * registration if we need to.
+ */
+function register_buttons_block() {
+	Blocks::jetpack_register_block(
+		BUTTONS_NAME,
+		array(
+			'render_callback' => __NAMESPACE__ . '\render_buttons_block',
+		)
+	);
+}
+add_action( 'init', __NAMESPACE__ . '\register_buttons_block' );
+
+/**
+ * Render callback.
+ *
+ * @param array  $attributes Array containing the block attributes.
+ * @param string $content    String containing the block content.
+ *
+ * @return string
+ */
+function render_buttons_block( $attributes, $content ) {
+	Jetpack_Gutenberg::load_styles_as_required( BUTTONS_NAME );
+
+	return $content;
+}