svelte5 migration, formatting cleanup

svelte.config.js

@@ -7,19 +7,22 @@ process.env.ASSETS_FOLDER = assets_folder;
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	// Consult https://kit.svelte.dev/docs/integrations#preprocessors
-	// for more information about preprocessors
-	preprocess: vitePreprocess(),
-
-	kit: {
-		// adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
-		// If your environment is not supported or you settled on a specific environment, switch out the adapter.
-		// See https://kit.svelte.dev/docs/adapters for more information about adapters.
-		adapter: adapter(),
-		files: {
-			assets: assets_folder
-		}
-	}
+    // Consult https://kit.svelte.dev/docs/integrations#preprocessors
+    // for more information about preprocessors
+    preprocess: vitePreprocess(),
+    compilerOptions: {
+        // disable all accessibility warnings
+        warningFilter: (warning) => !warning.code.startsWith('a11y')
+    },
+    kit: {
+        // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
+        // If your environment is not supported or you settled on a specific environment, switch out the adapter.
+        // See https://kit.svelte.dev/docs/adapters for more information about adapters.
+        adapter: adapter(),
+        files: {
+            assets: assets_folder
+        }
+    }
 };
 
 export default config;