add basic routing support

example/index.ts

@@ -1,17 +1,38 @@
 import { endpoint } from "../src";
 import { startServer } from "../src/core/server";
+import { route } from "../src/routing/router";
 
 type Data = {
   name: string;
 };
 
 startServer(
-  endpoint<void, Data>(async (req) => {
+  endpoint<void, Data>(
+    route([
+      {
+        app: async (req) => {
           return {
             status: 200,
             body: {
               name: "foo",
             },
           };
-  }),
+        },
+        method: "GET",
+        url: "/",
+      },
+      {
+        app: async (req) => {
+          return {
+            status: 200,
+            body: {
+              name: "polo",
+            },
+          };
+        },
+        method: "GET",
+        url: "/marco",
+      },
+    ]),
+  ),
 );

src/routing/router.ts

@@ -1 +1,23 @@
-export {};
+import type { Server } from "../compose";
+import type { BufferedResponse, Request } from "../core/bufferedServer";
+
+export type Route<ReqData extends Request, ResData> = {
+  method: string;
+  url: string;
+  app: Server<ReqData, ResData>;
+};
+
+export function route<ReqData extends Request, ResData>(
+  routes: Route<ReqData, ResData>[],
+): Server<ReqData, ResData> {
+  return async function route_(request) {
+    const { url, method } = request;
+    const route = routes.filter(
+      (registered) => registered.url === url && registered.method === method,
+    )[0];
+    if (route) {
+      return route.app(request);
+    }
+    throw "No routes matched";
+  };
+}