feat: server side route resolution

packages/adapter-static/index.js

@@ -7,6 +7,13 @@ export default function (options) {
 		name: '@sveltejs/adapter-static',
 
 		async adapt(builder) {
+			if (builder.config.kit.router?.resolution === 'server' && options?.fallback) {
+				throw new Error(
+					'adapter-static with a fallback page cannot be used with `router.resolution: "server"`, ' +
+						'as this combination of configs requires a server to handle dynamic route resolution requests'
+				);
+			}
+
 			if (!options?.fallback && builder.config.kit.router?.type !== 'hash') {
 				const dynamic_routes = builder.routes.filter((route) => route.prerender !== true);
 				if (dynamic_routes.length > 0 && options?.strict !== false) {

packages/kit/src/core/config/index.spec.js

@@ -95,7 +95,8 @@ const get_defaults = (prefix = '') => ({
 		output: { preloadStrategy: 'modulepreload', bundleStrategy: 'split' },
 		outDir: join(prefix, '.svelte-kit'),
 		router: {
-			type: 'pathname'
+			type: 'pathname',
+			resolution: 'server'
 		},
 		serviceWorker: {
 			register: true