example-acf-carousel-block.php

<?php
/**
 * Plugin Name:       Example ACF Carousel Block
 * Description:       Example block built with Advanced Custom Fields Pro.
 * Requires at least: 6.1
 * Requires PHP:      7.0
 * Version:           0.1.0
 * Author:            Brian Coords
 * License:           GPL-2.0-or-later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain:       example-acf-carousel-block
 *
 * @package           wpdev
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}


/**
 * Registers the block's assets for the editor and the frontend.
 *
 * @see https://developer.wordpress.org/block-editor/developers/block-api/block-edit-save/#editor-scripts
 */
function example_register_styles_and_scripts() {
	wp_register_style( 'flickity', 'https://unpkg.com/flickity@2/dist/flickity.min.css' );
	wp_register_script( 'flickity', 'https://unpkg.com/flickity@2/dist/flickity.pkgd.min.js' );
	wp_register_script( 'wp-block-acf-carousel', plugin_dir_url( __FILE__ ) . '/blocks/carousel/script.js', array( 'flickity' ), filemtime( plugin_dir_path( __FILE__ ) . '/blocks/carousel/script.js' ), true );
}
add_action( 'wp_enqueue_scripts', 'example_register_styles_and_scripts' );
add_action( 'admin_enqueue_scripts', 'example_register_styles_and_scripts' );


/**
 * Registers the block using the metadata loaded from the `block.json` file.
 * Behind the scenes, it registers also all assets so they can be enqueued
 * through the block editor in the corresponding context.
 *
 * @see https://developer.wordpress.org/reference/functions/register_block_type/
 */
function example_acf_carousel_block() {
	register_block_type( __DIR__ . '/blocks/carousel' );
}
add_action( 'init', 'example_acf_carousel_block' );



/**
 * Helper function to import the ACF field group if it doesn't exist.
 *
 * @link https://gist.github.com/bacoords/986029d783edf320ce93455e0f6b5dd6
 * @return void
 */
function example_import_acf_field_group() {
	if ( function_exists( 'acf_import_field_group' ) ) {

		// Get all json files from the /acf-field-groups directory.
		$files = glob( plugin_dir_path( __FILE__ ) . '/acf-field-groups/*.json' );

		// If no files, bail.
		if ( ! $files ) {
			return;
		}

		// Loop through each file.
		foreach ( $files as $file ) {
			// Grab the JSON file.
			$group = file_get_contents( $file );

			// Decode the JSON.
			$group = json_decode( $group, true );

			// If not empty, import it.
			if ( is_array( $group ) && ! empty( $group ) && ! acf_get_field_group( $group[0]['key'] ) ) {
				acf_import_field_group( $group [0] );
			}
		}
	}
}
register_activation_hook( __FILE__, 'example_import_acf_field_group' );