Added skeletal activity block

blocks/activity/index.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * Functions to register client-side assets (scripts and stylesheets) for the
+ * Gutenberg block.
+ *
+ * @package wp-strava
+ */
+
+/**
+ * Registers all block assets so that they can be enqueued through Gutenberg in
+ * the corresponding context.
+ *
+ * @see https://wordpress.org/gutenberg/handbook/blocks/writing-your-first-block-type/#enqueuing-block-scripts
+ */
+function register_activity_block() {
+	// automatically load dependencies and version
+	$asset_file = include plugin_dir_path( __FILE__ ) . 'build/index.asset.php';
+
+	wp_register_script(
+		'wp-strava/activity',
+		plugins_url( 'build/index.js', __FILE__ ),
+		$asset_file['dependencies'],
+		$asset_file['version']
+	);
+
+	wp_register_style(
+		'wp-strava/activity',
+		plugins_url( 'style.css', __FILE__ ),
+		array(),
+		filemtime( plugin_dir_path( __FILE__ ) . 'style.css' )
+	);
+
+	register_block_type(
+		'wp-strava/activity',
+		array(
+			'style'         => 'wp-strava/activity',
+			'editor_script' => 'wp-strava/activity',
+		)
+	);
+
+	if ( function_exists( 'wp_set_script_translations' ) ) {
+		/**
+		 * May be extended to wp_set_script_translations( 'my-handle', 'my-domain',
+		 * plugin_dir_path( MY_PLUGIN ) . 'languages' ) ). For details see
+		 * https://make.wordpress.org/core/2018/11/09/new-javascript-i18n-support-in-wordpress/
+		 */
+		wp_set_script_translations( 'wp-strava/activity', 'wp-strava' );
+	}
+}
+add_action( 'init', 'register_activity_block' );