fix: move catch-all-regex to the end (#9185)

* fix: move catch-all-regex to the end

part of #9182

* changelog

.changeset/friendly-pumpkins-reply.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-vercel': patch
+---
+
+fix: move catch-all-regex to the end

packages/adapter-vercel/index.js

@@ -216,11 +216,6 @@ const plugin = function (defaults = {}) {
 					/** @type {import('@sveltejs/kit').RouteDefinition<any>[]} */ (group.routes)
 				);
 
-				if (singular) {
-					// Special case: One function for all routes
-					static_config.routes.push({ src: '/.*', dest: `/${name}` });
-				}
-
 				for (const route of group.routes) {
 					functions.set(route.pattern.toString(), name);
 				}
@@ -286,6 +281,12 @@ const plugin = function (defaults = {}) {
 				}
 			}
 
+			if (singular) {
+				// Common case: One function for all routes
+				// Needs to happen after ISR or else regex swallows all other matches
+				static_config.routes.push({ src: '/.*', dest: `/fn` });
+			}
+
 			builder.log.minor('Copying assets...');
 
 			builder.writeClient(dirs.static);