add check condition and phpdoc

Author: lphoumpakka

inc/Services/Assets.php

@@ -133,6 +133,10 @@ public function get_min_file( string $type ): string {
 
 		$assets = $this->get_assets_json_index_file();
 
+		if ( empty( $assets ) ) {
+			return '';
+		}
+
 		switch ( $type ) {
 			case 'css':
 				$file = $assets['app.css'] ?? '';

inc/Services/Theme.php

@@ -8,6 +8,9 @@
 
 class Theme implements Service {
 
+	/**
+	 * @var Service|bool
+	 */
 	protected $asset;
 
 	/**
@@ -89,12 +92,9 @@ private function i18n(): void {
 	/**
 	 * Set default path for ARI for minified files
 	 *
-	 * @param string $attr
-	 *
 	 * @return string
-	 *
 	 */
-	public function set_ari_responsive_image_default_img_path( string $attr ): string {
+	public function set_ari_responsive_image_default_img_path(): string {
 		return '/dist/';
 	}