Translation infrastructure updates

* Declare textdomain in block.json
* Update how translations are loaded

Author: petitphp

includes/Main.php

@@ -24,6 +24,6 @@ protected function init(): void {
 	 */
 	public function init_translations(): void {
 		// Load translations
-		load_plugin_textdomain( 'multisite-shared-blocks', false, MULTISITE_SHARED_BLOCKS_PLUGIN_DIRNAME . '/languages' );
+		load_plugin_textdomain( 'multisite-shared-blocks', false, sprintf( '%s/languages', dirname( MULTISITE_SHARED_BLOCKS_PLUGIN_BASENAME ) ) );
 	}
 }

multisite-shared-blocks.php

@@ -31,7 +31,7 @@
 // Plugin URL and PATH
 define( 'MULTISITE_SHARED_BLOCKS_URL', plugin_dir_url( __FILE__ ) );
 define( 'MULTISITE_SHARED_BLOCKS_DIR', plugin_dir_path( __FILE__ ) );
-define( 'MULTISITE_SHARED_BLOCKS_PLUGIN_DIRNAME', basename( rtrim( dirname( __FILE__ ), '/' ) ) );
+define( 'MULTISITE_SHARED_BLOCKS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
 
 register_activation_hook( __FILE__, [ \Beapi\MultisiteSharedBlocks\Plugin::class, 'activate' ] );
 

src/blocks/shared-block/block.json

@@ -29,5 +29,6 @@
 		}
 	},
 	"editorScript": "file:./index.js",
-	"editorStyle": "file:./index.css"
+	"editorStyle": "file:./index.css",
+	"textdomain": "multisite-shared-blocks"
 }