BREAKING(unstable): remove "Deno.serve(handler, options)" overload (#18759)

In preparation to stabilization of the API this overload was decided to
be removed.

cli/bench/http/deno_flash_hono_router.js

@@ -7,4 +7,4 @@ const [hostname, port] = addr.split(":");
 const app = new Hono();
 app.get("/", (c) => c.text("Hello, World!"));
 
-Deno.serve(app.fetch, { port: Number(port), hostname });
+Deno.serve({ port: Number(port), hostname }, app.fetch);

cli/tests/unit/serve_test.ts

@@ -248,7 +248,12 @@ Deno.test({ permissions: { net: true } }, async function httpServerOverload2() {
   const promise = deferred();
   const listeningPromise = deferred();
 
-  const server = Deno.serve(async (request) => {
+  const server = Deno.serve({
+    port: 4501,
+    signal: ac.signal,
+    onListen: onListen(listeningPromise),
+    onError: createOnErrorCb(ac),
+  }, async (request) => {
     // FIXME(bartlomieju):
     // make sure that request can be inspected
     console.log(request);
@@ -256,11 +261,6 @@ Deno.test({ permissions: { net: true } }, async function httpServerOverload2() {
     assertEquals(await request.text(), "");
     promise.resolve();
     return new Response("Hello World", { headers: { "foo": "bar" } });
-  }, {
-    port: 4501,
-    signal: ac.signal,
-    onListen: onListen(listeningPromise),
-    onError: createOnErrorCb(ac),
   });
 
   await listeningPromise;
@@ -1015,12 +1015,15 @@ Deno.test(
     const promise = deferred();
     const ac = new AbortController();
 
-    const server = Deno.serve((request) => {
-      assert(request.body);
+    const server = Deno.serve(
+      { port: 2333, signal: ac.signal },
+      (request) => {
+        assert(request.body);
 
-      promise.resolve();
-      return new Response(request.body);
-    }, { port: 2333, signal: ac.signal });
+        promise.resolve();
+        return new Response(request.body);
+      },
+    );
 
     const ts = new TransformStream();
     const writable = ts.writable.getWriter();
@@ -2484,10 +2487,7 @@ Deno.test(
     const ac = new AbortController();
     const promise = deferred();
     let count = 0;
-    const server = Deno.serve(() => {
-      count++;
-      return new Response(`hello world ${count}`);
-    }, {
+    const server = Deno.serve({
       async onListen({ port }: { port: number }) {
         const res1 = await fetch(`http://localhost:${port}/`);
         assertEquals(await res1.text(), "hello world 1");
@@ -2499,6 +2499,9 @@ Deno.test(
         ac.abort();
       },
       signal: ac.signal,
+    }, () => {
+      count++;
+      return new Response(`hello world ${count}`);
     });
 
     await promise;
@@ -2552,7 +2555,16 @@ Deno.test(
   async function testIssue16567() {
     const ac = new AbortController();
     const promise = deferred();
-    const server = Deno.serve(() =>
+    const server = Deno.serve({
+      async onListen({ port }) {
+        const res1 = await fetch(`http://localhost:${port}/`);
+        assertEquals((await res1.text()).length, 40 * 50_000);
+
+        promise.resolve();
+        ac.abort();
+      },
+      signal: ac.signal,
+    }, () =>
       new Response(
         new ReadableStream({
           start(c) {
@@ -2563,16 +2575,7 @@ Deno.test(
             c.close();
           },
         }),
-      ), {
-      async onListen({ port }) {
-        const res1 = await fetch(`http://localhost:${port}/`);
-        assertEquals((await res1.text()).length, 40 * 50_000);
-
-        promise.resolve();
-        ac.abort();
-      },
-      signal: ac.signal,
-    });
+      ));
 
     await promise;
     await server;
@@ -2716,8 +2719,8 @@ Deno.test(
   async function httpServeCurlH2C() {
     const ac = new AbortController();
     const server = Deno.serve(
-      () => new Response("hello world!"),
       { signal: ac.signal },
+      () => new Response("hello world!"),
     );
 
     assertEquals(
@@ -2747,12 +2750,12 @@ Deno.test(
   async function httpsServeCurlH2C() {
     const ac = new AbortController();
     const server = Deno.serve(
-      () => new Response("hello world!"),
       {
         signal: ac.signal,
         cert: Deno.readTextFileSync("cli/tests/testdata/tls/localhost.crt"),
         key: Deno.readTextFileSync("cli/tests/testdata/tls/localhost.key"),
       },
+      () => new Response("hello world!"),
     );
 
     assertEquals(

cli/tests/unit_node/async_hooks_test.ts

@@ -41,7 +41,10 @@ Deno.test(async function bar() {
   let differentScopeDone = false;
   const als = new AsyncLocalStorage();
   const ac = new AbortController();
-  const server = Deno.serve(() => {
+  const server = Deno.serve({
+    signal: ac.signal,
+    port: 4000,
+  }, () => {
     const differentScope = als.run(123, () =>
       AsyncResource.bind(() => {
         differentScopeDone = true;
@@ -54,9 +57,6 @@ Deno.test(async function bar() {
       await new Promise((res) => setTimeout(res, 10));
       return new Response(als.getStore() as string); // "Hello World"
     });
-  }, {
-    signal: ac.signal,
-    port: 4000,
   });
 
   const res = await fetch("http://localhost:4000");

cli/tsc/dts/lib.deno.unstable.d.ts

@@ -1361,10 +1361,7 @@ declare namespace Deno {
    *
    * @category HTTP Server
    */
-  export function serve(
-    handler: ServeHandler,
-    options?: ServeOptions | ServeTlsOptions,
-  ): Promise<void>;
+  export function serve(handler: ServeHandler): Promise<void>;
   /** **UNSTABLE**: New API, yet to be vetted.
    *
    * Serves HTTP requests with the given handler.

ext/http/00_serve.js

@@ -425,7 +425,6 @@ async function serve(arg1, arg2) {
   let handler = undefined;
   if (typeof arg1 === "function") {
     handler = arg1;
-    options = arg2;
   } else if (typeof arg2 === "function") {
     handler = arg2;
     options = arg1;