[fix] make options object optional (#7341)

fixes #7340

Author: Rich-Harris

.changeset/chilled-students-unite.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-static': patch
+---
+
+Make options object optional

packages/adapter-static/index.js

@@ -24,7 +24,7 @@ export default function (options) {
 					};
 				});
 
-				if (dynamic_routes.length > 0 && options.strict) {
+				if (dynamic_routes.length > 0 && options?.strict !== false) {
 					const prefix = path.relative('.', builder.config.kit.files.routes);
 					const has_param_routes = dynamic_routes.some((route) => route.includes('['));
 					const config_option =