GutenbergBlockLoader.php

<?php
/**
 * Functions to register client-side assets (scripts and stylesheets) for the
 * Gutenberg block.
 *
 * @package unito-2019
 */

namespace Namespace\GutenbergBlockLoader;

/**
 * Registers all block assets by iterating through folder names, so that they can be enqueued through Gutenberg in
 * the corresponding context.
 *
 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/tutorials/block-tutorial/applying-styles-with-stylesheets/
 */
function blocks_init() {
	// Skip block registration if Gutenberg is not enabled/merged.
	if ( ! function_exists( 'register_block_type' ) ) {
		return;
	}

	$parent_folder = plugin_dir_path( __FILE__ );
	$folders       = glob( "$parent_folder*", GLOB_ONLYDIR );
	foreach ( $folders as $folder_full_path ) {

		$folder_name  = str_replace( $parent_folder, '', $folder_full_path );
		$block_name   = strtolower( $folder_name );
		$build_folder = '/assets/build';

		wp_register_script(
			"$block_name-block-editor",
			get_template_directory_uri() . "$build_folder/block-$block_name-index.min.js",
			[ 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-editor' ],
			filemtime( "$folder_full_path/index.js" ),
			false
		);

		wp_register_style(
			"$block_name-block-editor",
			get_template_directory_uri() . "$build_folder/block-$block_name-editor-style.min.css",
			[],
			filemtime( "$folder_full_path/editor-style.scss" )
		);

		$style_css = 'style.css';
		wp_register_style(
			"$block_name-block",
			get_template_directory_uri() . "$build_folder/block-$block_name-style.min.css",
			[],
			filemtime( "$folder_full_path/style.scss" )
		);

		register_block_type(
			"unito/$block_name",
			[
				'editor_script' => "$block_name-block-editor",
				'editor_style'  => "$block_name-block-editor",
				'style'         => "$block_name-block",
			]
		);

	}

}
add_action( 'init', __NAMESPACE__ . '\\blocks_init' );



/**
 * Load blocks helpers
 */
function load_block_helpers() {
	$file_list = recursive_file_search( plugin_dir_path( __FILE__ ), '/^.*.php$/' );
	foreach ( $file_list as $file ) {
		include_once $file;
	}
}
add_action( 'after_setup_theme', __NAMESPACE__ . '\\load_block_helpers', 0 );