add upgrade path

Author: [email protected]

src/css-file-generator.php

@@ -394,6 +394,8 @@ public function __construct() {
             // Register the setting stackable_use_css_files
             add_action( 'admin_init', array( $this, 'register_use_css_files_setting' ) );
             add_action( 'rest_api_init', array( $this, 'register_use_css_files_setting' ) );
+
+            add_action( 'stackable_early_version_upgraded', 'register_use_css_files_setting_upgraded', 10, 2 );
 		}
 
         /**
@@ -413,6 +415,15 @@ public function register_use_css_files_setting() {
             );
         }
 
+        /**
+         * When upgrading from a lower version, disable use CSS files.
+         */
+        public function register_use_css_files_setting_upgraded( $old_version, $new_version ) {
+            if ( ! empty( $old_version ) && version_compare( $old_version, "3.19.0", "<" ) ) {
+                update_option( 'stackable_use_css_files', '', 'no' );
+            }
+        }
+
 		/**
 		 * Register REST API routes.
 		 */

src/init.php

@@ -117,7 +117,7 @@ public function register_frontend_assets() {
 			}
 
 			// Enqueue the global CSS file in the frontend.
-			if ( ! is_admin() && ! empty( get_option( 'stackable_use_css_files', true ) ) ) {
+			if ( ! is_admin() && get_option( 'stackable_use_css_files', '1' ) === '1' ) {
 				// The enqueue_global_css_file method now has built-in fallback to inline styles
 				// if CSS file generation fails
 				Stackable_Global_Design_System_CSS_Generator::enqueue_global_css_file();
@@ -241,7 +241,7 @@ public function load_frontend_scripts_conditionally( $block_content, $block ) {
 		// Register inline frontend styles for theme.json block style inheritance
 		public function enqueue_inline_block_style_inheritance() {
 			// Use the new CSS generator class with built-in fallback to inline styles
-			if ( ! is_admin() && ! empty( get_option( 'stackable_use_css_files', true ) ) ) {
+			if ( ! is_admin() && get_option( 'stackable_use_css_files', '1' ) === '1' ) {
 				Stackable_Block_Style_Inheritance_CSS_Generator::enqueue_block_inheritance_css_file();
 			} else {
 				Stackable_Block_Style_Inheritance_CSS_Generator::enqueue_block_inheritance_css_inline();